/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 15:29:37,156 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 15:29:37,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 15:29:37,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-06 15:29:37,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-06 15:29:37,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-06 15:29:37,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-06 15:29:37,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-06 15:29:37,213 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-06 15:29:37,219 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-06 15:29:37,220 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-06 15:29:37,221 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-06 15:29:37,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 15:29:37,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 15:29:37,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 15:29:37,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 15:29:37,229 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 15:29:37,229 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 15:29:37,232 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 15:29:37,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 15:29:37,237 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 15:29:37,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 15:29:37,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 15:29:37,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 15:29:37,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-06 15:29:37,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-06 15:29:37,245 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-06 15:29:37,246 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-06 15:29:37,247 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-06 15:29:37,247 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-06 15:29:37,248 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-06 15:29:37,248 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-06 15:29:37,249 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-06 15:29:37,250 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-06 15:29:37,251 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-06 15:29:37,251 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-06 15:29:37,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-06 15:29:37,252 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-06 15:29:37,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 15:29:37,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 15:29:37,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 15:29:37,257 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random42.epf [2021-06-06 15:29:37,291 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 15:29:37,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 15:29:37,292 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 15:29:37,292 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 15:29:37,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 15:29:37,294 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 15:29:37,294 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 15:29:37,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 15:29:37,295 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 15:29:37,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 15:29:37,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 15:29:37,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 15:29:37,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 15:29:37,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 15:29:37,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 15:29:37,296 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 15:29:37,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 15:29:37,296 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 15:29:37,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 15:29:37,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 15:29:37,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 15:29:37,297 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 15:29:37,297 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 15:29:37,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 15:29:37,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 15:29:37,297 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 15:29:37,298 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 15:29:37,298 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 15:29:37,298 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 15:29:37,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 15:29:37,298 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 15:29:37,298 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 15:29:37,298 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 15:29:37,298 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 15:29:37,299 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 15:29:37,299 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 15:29:37,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 15:29:37,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 15:29:37,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 15:29:37,620 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 15:29:37,621 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 15:29:37,621 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl [2021-06-06 15:29:37,621 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl' [2021-06-06 15:29:37,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 15:29:37,643 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 15:29:37,644 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 15:29:37,644 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 15:29:37,645 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 15:29:37,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:29:37" (1/1) ... [2021-06-06 15:29:37,664 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:29:37" (1/1) ... [2021-06-06 15:29:37,670 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 15:29:37,671 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 15:29:37,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 15:29:37,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 15:29:37,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:29:37" (1/1) ... [2021-06-06 15:29:37,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:29:37" (1/1) ... [2021-06-06 15:29:37,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:29:37" (1/1) ... [2021-06-06 15:29:37,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:29:37" (1/1) ... [2021-06-06 15:29:37,680 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:29:37" (1/1) ... [2021-06-06 15:29:37,682 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:29:37" (1/1) ... [2021-06-06 15:29:37,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:29:37" (1/1) ... [2021-06-06 15:29:37,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 15:29:37,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 15:29:37,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 15:29:37,685 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 15:29:37,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:29:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 15:29:37,755 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 15:29:37,756 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 15:29:37,756 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 15:29:37,756 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 15:29:37,756 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 15:29:37,756 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 15:29:37,756 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 15:29:37,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 15:29:37,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 15:29:37,758 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 15:29:37,986 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 15:29:37,986 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-06-06 15:29:37,987 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-06 15:29:37,987 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-06 15:29:37,988 INFO L202 PluginConnector]: Adding new model array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 03:29:37 BoogieIcfgContainer [2021-06-06 15:29:37,989 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 15:29:37,990 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 15:29:37,990 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 15:29:37,992 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 15:29:37,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:29:37" (1/2) ... [2021-06-06 15:29:37,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d15369c and model type array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 03:29:37, skipping insertion in model container [2021-06-06 15:29:37,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 03:29:37" (2/2) ... [2021-06-06 15:29:37,994 INFO L111 eAbstractionObserver]: Analyzing ICFG array-int-symm.wvr.bpl [2021-06-06 15:29:37,999 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 15:29:37,999 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 15:29:37,999 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 15:29:37,999 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 15:29:38,050 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-06 15:29:38,083 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 15:29:38,157 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 15:29:38,157 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 15:29:38,157 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 15:29:38,157 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 15:29:38,157 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 15:29:38,158 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 15:29:38,158 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 15:29:38,158 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 15:29:38,194 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:29:38,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:29:38,201 INFO L82 PathProgramCache]: Analyzing trace with hash 1505634868, now seen corresponding path program 1 times [2021-06-06 15:29:38,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:29:38,208 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639008248] [2021-06-06 15:29:38,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:29:38,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:29:38,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:29:38,443 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:29:38,443 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639008248] [2021-06-06 15:29:38,444 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639008248] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 15:29:38,444 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 15:29:38,444 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 15:29:38,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386952336] [2021-06-06 15:29:38,448 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 15:29:38,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:29:38,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 15:29:38,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 15:29:38,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:29:38,465 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:29:38,468 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:29:38,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:29:38,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:29:38,519 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 15:29:38,519 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:29:38,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:29:38,523 INFO L82 PathProgramCache]: Analyzing trace with hash -571044354, now seen corresponding path program 1 times [2021-06-06 15:29:38,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:29:38,523 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509298783] [2021-06-06 15:29:38,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:29:38,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:29:38,603 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:29:38,603 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:29:38,604 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509298783] [2021-06-06 15:29:38,604 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509298783] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 15:29:38,604 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 15:29:38,604 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-06 15:29:38,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045417664] [2021-06-06 15:29:38,606 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-06 15:29:38,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:29:38,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-06 15:29:38,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-06 15:29:38,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:29:38,607 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:29:38,607 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:29:38,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:29:38,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:29:38,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:29:38,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:38,668 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 15:29:38,668 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:29:38,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:29:38,669 INFO L82 PathProgramCache]: Analyzing trace with hash 53328338, now seen corresponding path program 1 times [2021-06-06 15:29:38,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:29:38,669 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500937215] [2021-06-06 15:29:38,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:29:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:29:38,711 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:29:38,711 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:29:38,711 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500937215] [2021-06-06 15:29:38,712 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500937215] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:29:38,712 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1471773708] [2021-06-06 15:29:38,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:29:38,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:29:38,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-06 15:29:38,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:29:38,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:29:38,896 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1471773708] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:29:38,896 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:29:38,896 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-06-06 15:29:38,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228528072] [2021-06-06 15:29:38,897 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 15:29:38,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:29:38,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 15:29:38,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-06 15:29:38,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:29:38,900 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:29:38,900 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:29:38,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:29:38,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:38,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:29:38,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:29:38,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:38,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:39,176 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:29:39,176 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:29:39,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:29:39,177 INFO L82 PathProgramCache]: Analyzing trace with hash 1790621622, now seen corresponding path program 1 times [2021-06-06 15:29:39,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:29:39,177 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150031038] [2021-06-06 15:29:39,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:29:39,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:29:39,617 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:29:39,618 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:29:39,618 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150031038] [2021-06-06 15:29:39,621 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150031038] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:29:39,621 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [535018468] [2021-06-06 15:29:39,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:29:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:29:39,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-06 15:29:39,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:29:40,144 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:29:40,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 15:29:40,155 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:40,176 INFO L628 ElimStorePlain]: treesize reduction 89, result has 11.0 percent of original size [2021-06-06 15:29:40,177 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:29:40,177 INFO L518 ElimStorePlain]: Eliminatee v_prenex_4 vanished before elimination [2021-06-06 15:29:40,177 INFO L518 ElimStorePlain]: Eliminatee v_prenex_5 vanished before elimination [2021-06-06 15:29:40,178 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:29:40,179 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:107, output treesize:11 [2021-06-06 15:29:40,224 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:29:40,225 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [535018468] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:29:40,229 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:29:40,229 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2021-06-06 15:29:40,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159267635] [2021-06-06 15:29:40,230 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-06 15:29:40,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:29:40,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-06 15:29:40,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-06-06 15:29:40,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:29:40,231 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:29:40,231 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:29:40,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:29:40,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:40,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:40,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:29:40,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:29:40,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:40,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:40,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:29:40,630 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:29:40,630 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:29:40,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:29:40,631 INFO L82 PathProgramCache]: Analyzing trace with hash -326389572, now seen corresponding path program 2 times [2021-06-06 15:29:40,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:29:40,631 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637437390] [2021-06-06 15:29:40,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:29:40,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:29:40,720 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:29:40,720 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:29:40,720 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637437390] [2021-06-06 15:29:40,721 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637437390] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:29:40,721 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1036238677] [2021-06-06 15:29:40,721 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:29:40,753 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 15:29:40,754 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:29:40,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-06 15:29:40,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:29:40,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 15:29:40,946 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:40,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 15:29:40,951 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:40,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 15:29:40,957 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:40,966 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:29:40,967 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:29:40,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 15:29:40,969 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:40,981 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:29:40,982 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:29:40,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 15:29:40,985 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:40,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 15:29:40,990 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:41,028 INFO L628 ElimStorePlain]: treesize reduction 40, result has 39.4 percent of original size [2021-06-06 15:29:41,029 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:29:41,031 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 15:29:41,031 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:119, output treesize:20 [2021-06-06 15:29:41,064 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:29:41,065 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1036238677] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:29:41,065 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:29:41,065 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-06-06 15:29:41,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534802963] [2021-06-06 15:29:41,066 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 15:29:41,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:29:41,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 15:29:41,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-06-06 15:29:41,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:29:41,068 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:29:41,068 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:29:41,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:29:41,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:41,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:41,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:29:41,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:29:41,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:29:41,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:41,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:41,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:29:41,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:29:41,580 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:29:41,580 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:29:41,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:29:41,581 INFO L82 PathProgramCache]: Analyzing trace with hash -2104370164, now seen corresponding path program 3 times [2021-06-06 15:29:41,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:29:41,581 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910719933] [2021-06-06 15:29:41,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:29:41,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:29:41,687 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:29:41,688 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:29:41,688 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910719933] [2021-06-06 15:29:41,690 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910719933] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:29:41,690 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1313489114] [2021-06-06 15:29:41,690 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:29:41,729 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-06 15:29:41,730 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:29:41,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-06 15:29:41,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:29:41,870 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:29:41,870 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:29:41,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 15:29:41,872 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:41,876 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:29:41,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 15:29:41,879 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:41,906 INFO L628 ElimStorePlain]: treesize reduction 33, result has 35.3 percent of original size [2021-06-06 15:29:41,906 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:29:41,909 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:29:41,909 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:65, output treesize:12 [2021-06-06 15:29:41,930 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:29:41,934 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1313489114] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:29:41,934 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:29:41,934 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-06-06 15:29:41,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123237380] [2021-06-06 15:29:41,935 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 15:29:41,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:29:41,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 15:29:41,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-06-06 15:29:41,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:29:41,936 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:29:41,936 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:29:41,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:29:41,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:41,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:41,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:29:41,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:29:41,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:29:42,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:29:42,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:42,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:42,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:29:42,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:29:42,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:29:42,220 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-06-06 15:29:42,221 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:29:42,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:29:42,221 INFO L82 PathProgramCache]: Analyzing trace with hash -812050650, now seen corresponding path program 4 times [2021-06-06 15:29:42,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:29:42,221 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361966840] [2021-06-06 15:29:42,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:29:42,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:29:42,638 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:29:42,638 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:29:42,638 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361966840] [2021-06-06 15:29:42,638 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361966840] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:29:42,638 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1689173779] [2021-06-06 15:29:42,638 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:29:42,672 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 15:29:42,672 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:29:42,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-06 15:29:42,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:29:43,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:29:43,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:29:43,164 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:29:43,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-06-06 15:29:43,167 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:43,185 INFO L628 ElimStorePlain]: treesize reduction 111, result has 9.0 percent of original size [2021-06-06 15:29:43,185 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:29:43,185 INFO L518 ElimStorePlain]: Eliminatee v_prenex_12 vanished before elimination [2021-06-06 15:29:43,185 INFO L518 ElimStorePlain]: Eliminatee v_prenex_11 vanished before elimination [2021-06-06 15:29:43,186 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:29:43,186 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:140, output treesize:11 [2021-06-06 15:29:43,236 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:29:43,236 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1689173779] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:29:43,236 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:29:43,237 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 14 [2021-06-06 15:29:43,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478921349] [2021-06-06 15:29:43,237 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-06 15:29:43,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:29:43,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-06 15:29:43,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-06-06 15:29:43,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:29:43,238 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:29:43,238 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 14 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:29:43,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:29:43,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:43,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:43,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:29:43,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:29:43,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:29:43,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:29:43,832 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 55 [2021-06-06 15:29:44,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:29:44,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:44,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:44,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:29:44,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:29:44,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:29:44,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:29:44,201 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:29:44,201 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:29:44,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:29:44,202 INFO L82 PathProgramCache]: Analyzing trace with hash 595148620, now seen corresponding path program 5 times [2021-06-06 15:29:44,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:29:44,202 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382889977] [2021-06-06 15:29:44,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:29:44,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:29:44,306 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:29:44,306 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:29:44,306 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382889977] [2021-06-06 15:29:44,306 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382889977] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:29:44,307 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896446442] [2021-06-06 15:29:44,307 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:29:44,344 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-06 15:29:44,344 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:29:44,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-06 15:29:44,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:29:44,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 15:29:44,542 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:44,546 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:29:44,547 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:29:44,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 15:29:44,549 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:44,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 15:29:44,553 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:44,556 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:29:44,557 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:29:44,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 15:29:44,559 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:44,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 15:29:44,563 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:44,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 15:29:44,570 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:44,617 INFO L628 ElimStorePlain]: treesize reduction 40, result has 39.4 percent of original size [2021-06-06 15:29:44,617 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:29:44,619 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 15:29:44,619 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:119, output treesize:20 [2021-06-06 15:29:44,652 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:29:44,652 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896446442] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:29:44,652 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:29:44,652 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-06-06 15:29:44,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970205085] [2021-06-06 15:29:44,652 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-06 15:29:44,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:29:44,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-06 15:29:44,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-06-06 15:29:44,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:29:44,653 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:29:44,653 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:29:44,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:29:44,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:44,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:44,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:29:44,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:29:44,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:29:44,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:29:44,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:29:45,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:29:45,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:45,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:45,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:29:45,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:29:45,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:29:45,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:29:45,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:29:45,239 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-06-06 15:29:45,240 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:29:45,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:29:45,240 INFO L82 PathProgramCache]: Analyzing trace with hash 1312325116, now seen corresponding path program 6 times [2021-06-06 15:29:45,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:29:45,240 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001703810] [2021-06-06 15:29:45,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:29:45,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:29:45,331 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:29:45,332 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:29:45,332 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001703810] [2021-06-06 15:29:45,332 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001703810] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:29:45,332 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919634236] [2021-06-06 15:29:45,332 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:29:45,360 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-06 15:29:45,360 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:29:45,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-06 15:29:45,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:29:45,537 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:29:45,538 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:29:45,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 15:29:45,539 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:45,542 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:29:45,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 15:29:45,544 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:45,570 INFO L628 ElimStorePlain]: treesize reduction 33, result has 35.3 percent of original size [2021-06-06 15:29:45,571 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:29:45,572 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:29:45,572 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:65, output treesize:12 [2021-06-06 15:29:45,596 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:29:45,596 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1919634236] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:29:45,597 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:29:45,597 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-06-06 15:29:45,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427070425] [2021-06-06 15:29:45,597 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-06 15:29:45,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:29:45,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-06 15:29:45,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-06-06 15:29:45,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:29:45,598 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:29:45,598 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6) internal successors, (24), 15 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:29:45,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:29:45,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:45,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:45,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:29:45,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:29:45,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:29:45,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:29:45,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:29:45,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:29:45,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:29:45,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:45,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:45,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:29:45,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:29:45,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:29:45,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:29:45,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:29:45,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:29:45,958 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2021-06-06 15:29:45,959 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:29:45,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:29:45,959 INFO L82 PathProgramCache]: Analyzing trace with hash 2026287926, now seen corresponding path program 7 times [2021-06-06 15:29:45,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:29:45,959 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825845848] [2021-06-06 15:29:45,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:29:45,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:29:46,346 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:29:46,346 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:29:46,346 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825845848] [2021-06-06 15:29:46,346 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825845848] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:29:46,346 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1250342438] [2021-06-06 15:29:46,346 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:29:46,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:29:46,380 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 41 conjunts are in the unsatisfiable core [2021-06-06 15:29:46,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:29:47,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:29:47,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:29:47,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:29:47,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:29:47,032 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:29:47,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-06-06 15:29:47,037 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:47,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:29:47,042 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:29:47,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:29:47,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:29:47,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 33 [2021-06-06 15:29:47,046 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:47,061 INFO L628 ElimStorePlain]: treesize reduction 105, result has 9.5 percent of original size [2021-06-06 15:29:47,061 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-06-06 15:29:47,061 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:29:47,061 INFO L518 ElimStorePlain]: Eliminatee v_prenex_18 vanished before elimination [2021-06-06 15:29:47,062 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:29:47,062 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:173, output treesize:11 [2021-06-06 15:29:47,072 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:29:47,072 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1250342438] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:29:47,072 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:29:47,072 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 17 [2021-06-06 15:29:47,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033778620] [2021-06-06 15:29:47,073 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-06 15:29:47,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:29:47,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-06 15:29:47,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2021-06-06 15:29:47,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:29:47,074 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:29:47,074 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:29:47,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:29:47,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:47,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:47,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:29:47,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:29:47,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:29:47,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:29:47,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:29:47,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:29:47,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:29:47,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:29:47,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:47,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:47,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:29:47,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:29:47,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:29:47,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:29:47,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:29:47,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:29:47,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:29:47,584 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-06-06 15:29:47,585 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:29:47,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:29:47,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1610668740, now seen corresponding path program 8 times [2021-06-06 15:29:47,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:29:47,586 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965886726] [2021-06-06 15:29:47,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:29:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:29:47,727 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:29:47,727 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:29:47,727 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965886726] [2021-06-06 15:29:47,727 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965886726] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:29:47,727 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540696680] [2021-06-06 15:29:47,728 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:29:47,767 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 15:29:47,767 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:29:47,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-06 15:29:47,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:29:48,028 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:29:48,028 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:29:48,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 15:29:48,030 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:48,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 15:29:48,034 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:48,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 15:29:48,038 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:48,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 15:29:48,043 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:48,046 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:29:48,047 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:29:48,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 15:29:48,049 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:48,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 15:29:48,053 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:48,091 INFO L628 ElimStorePlain]: treesize reduction 40, result has 39.4 percent of original size [2021-06-06 15:29:48,091 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:29:48,093 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 15:29:48,093 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:119, output treesize:20 [2021-06-06 15:29:48,130 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:29:48,130 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540696680] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:29:48,131 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:29:48,131 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-06-06 15:29:48,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982938822] [2021-06-06 15:29:48,131 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-06 15:29:48,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:29:48,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-06 15:29:48,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2021-06-06 15:29:48,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:29:48,132 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:29:48,132 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 19 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:29:48,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:29:48,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:48,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:48,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:29:48,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:29:48,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:29:48,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:29:48,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:29:48,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:29:48,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:29:48,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:29:48,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:29:48,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:48,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:48,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:29:48,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:29:48,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:29:48,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:29:48,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:29:48,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:29:48,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:29:48,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:29:48,877 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:29:48,877 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:29:48,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:29:48,878 INFO L82 PathProgramCache]: Analyzing trace with hash -853033844, now seen corresponding path program 9 times [2021-06-06 15:29:48,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:29:48,878 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886547781] [2021-06-06 15:29:48,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:29:48,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:29:48,994 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:29:48,994 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:29:48,994 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886547781] [2021-06-06 15:29:48,994 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886547781] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:29:48,994 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1694419001] [2021-06-06 15:29:48,994 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:29:49,028 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-06 15:29:49,028 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:29:49,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-06 15:29:49,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:29:49,262 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:29:49,263 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:29:49,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 15:29:49,267 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:49,269 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:29:49,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 15:29:49,271 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:49,297 INFO L628 ElimStorePlain]: treesize reduction 33, result has 35.3 percent of original size [2021-06-06 15:29:49,297 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:29:49,300 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:29:49,301 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:65, output treesize:12 [2021-06-06 15:29:49,323 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:29:49,324 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1694419001] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:29:49,324 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:29:49,324 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-06-06 15:29:49,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760482760] [2021-06-06 15:29:49,324 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-06 15:29:49,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:29:49,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-06 15:29:49,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2021-06-06 15:29:49,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:29:49,325 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:29:49,325 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:29:49,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:29:49,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:49,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:49,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:29:49,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:29:49,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:29:49,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:29:49,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:29:49,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:29:49,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:29:49,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:29:49,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:29:49,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:29:49,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:49,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:49,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:29:49,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:29:49,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:29:49,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:29:49,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:29:49,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:29:49,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:29:49,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:29:49,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:29:49,738 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,12 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:29:49,738 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:29:49,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:29:49,739 INFO L82 PathProgramCache]: Analyzing trace with hash -675330394, now seen corresponding path program 10 times [2021-06-06 15:29:49,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:29:49,739 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954293811] [2021-06-06 15:29:49,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:29:49,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:29:50,309 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:29:50,309 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:29:50,309 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954293811] [2021-06-06 15:29:50,309 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954293811] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:29:50,309 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2146504222] [2021-06-06 15:29:50,309 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:29:50,362 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 15:29:50,363 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:29:50,364 WARN L261 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 53 conjunts are in the unsatisfiable core [2021-06-06 15:29:50,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:29:51,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:29:51,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:29:51,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:29:51,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:29:51,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:29:51,303 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:29:51,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:29:51,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:29:51,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 40 [2021-06-06 15:29:51,307 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:51,332 INFO L628 ElimStorePlain]: treesize reduction 151, result has 6.8 percent of original size [2021-06-06 15:29:51,332 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:29:51,332 INFO L518 ElimStorePlain]: Eliminatee v_prenex_30 vanished before elimination [2021-06-06 15:29:51,332 INFO L518 ElimStorePlain]: Eliminatee v_prenex_29 vanished before elimination [2021-06-06 15:29:51,333 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:29:51,333 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:206, output treesize:11 [2021-06-06 15:29:51,369 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:29:51,369 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2146504222] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:29:51,369 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:29:51,370 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 22 [2021-06-06 15:29:51,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066390363] [2021-06-06 15:29:51,372 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-06 15:29:51,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:29:51,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-06 15:29:51,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2021-06-06 15:29:51,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:29:51,374 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:29:51,375 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 22 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:29:51,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:29:51,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:51,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:51,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:29:51,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:29:51,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:29:51,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:29:51,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:29:51,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:29:51,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:29:51,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:29:51,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:29:51,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:29:51,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:29:51,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:51,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:51,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:29:51,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:29:51,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:29:51,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:29:51,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:29:51,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:29:51,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:29:51,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:29:51,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:29:51,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:29:52,079 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:29:52,080 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:29:52,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:29:52,080 INFO L82 PathProgramCache]: Analyzing trace with hash 538509260, now seen corresponding path program 11 times [2021-06-06 15:29:52,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:29:52,080 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142972712] [2021-06-06 15:29:52,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:29:52,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:29:52,223 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:29:52,223 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:29:52,224 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142972712] [2021-06-06 15:29:52,224 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142972712] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:29:52,224 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [928561375] [2021-06-06 15:29:52,224 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:29:52,256 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-06 15:29:52,257 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:29:52,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-06 15:29:52,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:29:52,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 15:29:52,569 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:52,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 15:29:52,574 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:52,578 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:29:52,578 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:29:52,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 15:29:52,580 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:52,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 15:29:52,585 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:52,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 15:29:52,589 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:52,592 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:29:52,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 15:29:52,594 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:52,636 INFO L628 ElimStorePlain]: treesize reduction 40, result has 39.4 percent of original size [2021-06-06 15:29:52,636 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:29:52,638 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 15:29:52,638 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:119, output treesize:20 [2021-06-06 15:29:52,681 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:29:52,682 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [928561375] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:29:52,682 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:29:52,682 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-06-06 15:29:52,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885628378] [2021-06-06 15:29:52,682 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-06 15:29:52,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:29:52,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-06 15:29:52,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2021-06-06 15:29:52,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:29:52,683 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:29:52,683 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 23 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:29:52,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:29:52,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:52,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:52,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:29:52,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:29:52,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:29:52,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:29:52,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:29:52,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:29:52,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:29:52,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:29:52,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:29:52,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:29:52,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:29:53,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:29:53,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:53,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:53,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:29:53,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:29:53,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:29:53,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:29:53,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:29:53,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:29:53,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:29:53,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:29:53,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:29:53,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:29:53,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:29:53,652 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,14 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:29:53,653 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:29:53,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:29:53,653 INFO L82 PathProgramCache]: Analyzing trace with hash -1744612740, now seen corresponding path program 12 times [2021-06-06 15:29:53,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:29:53,653 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372446304] [2021-06-06 15:29:53,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:29:53,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:29:53,821 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:29:53,822 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:29:53,822 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372446304] [2021-06-06 15:29:53,822 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372446304] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:29:53,822 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [785650113] [2021-06-06 15:29:53,822 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:29:53,862 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-06 15:29:53,863 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:29:53,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-06 15:29:53,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:29:54,163 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:29:54,164 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:29:54,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 15:29:54,166 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:54,169 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:29:54,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 15:29:54,170 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:54,197 INFO L628 ElimStorePlain]: treesize reduction 33, result has 35.3 percent of original size [2021-06-06 15:29:54,198 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:29:54,199 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:29:54,199 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:65, output treesize:12 [2021-06-06 15:29:54,230 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:29:54,231 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [785650113] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:29:54,231 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:29:54,231 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-06-06 15:29:54,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600357346] [2021-06-06 15:29:54,232 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-06 15:29:54,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:29:54,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-06 15:29:54,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2021-06-06 15:29:54,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:29:54,233 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:29:54,233 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.391304347826087) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:29:54,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:29:54,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:54,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:54,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:29:54,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:29:54,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:29:54,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:29:54,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:29:54,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:29:54,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:29:54,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:29:54,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:29:54,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:29:54,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:29:54,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:29:54,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:29:54,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:54,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:54,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:29:54,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:29:54,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:29:54,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:29:54,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:29:54,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:29:54,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:29:54,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:29:54,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:29:54,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:29:54,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:29:54,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:29:54,756 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:29:54,757 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:29:54,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:29:54,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1750494902, now seen corresponding path program 13 times [2021-06-06 15:29:54,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:29:54,757 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923864910] [2021-06-06 15:29:54,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:29:54,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:29:55,517 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:29:55,517 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:29:55,517 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923864910] [2021-06-06 15:29:55,517 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923864910] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:29:55,517 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [888678694] [2021-06-06 15:29:55,518 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:29:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:29:55,557 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 65 conjunts are in the unsatisfiable core [2021-06-06 15:29:55,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:29:56,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:29:56,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:29:56,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:29:56,851 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:29:56,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:29:56,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:29:56,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:29:56,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:29:56,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:29:56,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:29:56,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:29:56,859 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:29:56,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 47 [2021-06-06 15:29:56,867 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:56,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:29:56,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:29:56,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:29:56,873 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:29:56,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:29:56,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:29:56,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:29:56,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:29:56,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:29:56,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:29:56,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:29:56,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 49 [2021-06-06 15:29:56,880 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:56,894 INFO L628 ElimStorePlain]: treesize reduction 117, result has 8.6 percent of original size [2021-06-06 15:29:56,894 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:29:56,894 INFO L518 ElimStorePlain]: Eliminatee v_prenex_39 vanished before elimination [2021-06-06 15:29:56,895 INFO L518 ElimStorePlain]: Eliminatee v_prenex_38 vanished before elimination [2021-06-06 15:29:56,895 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:29:56,895 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:239, output treesize:11 [2021-06-06 15:29:56,928 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:29:56,928 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [888678694] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:29:56,928 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:29:56,928 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 26 [2021-06-06 15:29:56,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694185254] [2021-06-06 15:29:56,929 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-06 15:29:56,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:29:56,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-06 15:29:56,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2021-06-06 15:29:56,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:29:56,933 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:29:56,934 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 26 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:29:56,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:29:56,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:56,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:56,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:29:56,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:29:56,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:29:56,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:29:56,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:29:56,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:29:56,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:29:56,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:29:56,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:29:56,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:29:56,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:29:56,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:29:56,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:29:57,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:29:57,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:57,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:57,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:29:57,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:29:57,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:29:57,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:29:57,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:29:57,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:29:57,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:29:57,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:29:57,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:29:57,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:29:57,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:29:57,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:29:57,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:29:58,181 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable100 [2021-06-06 15:29:58,181 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:29:58,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:29:58,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1570317892, now seen corresponding path program 14 times [2021-06-06 15:29:58,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:29:58,182 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914655373] [2021-06-06 15:29:58,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:29:58,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:29:58,377 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:29:58,377 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:29:58,377 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914655373] [2021-06-06 15:29:58,377 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914655373] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:29:58,377 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [186853650] [2021-06-06 15:29:58,377 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:29:58,412 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 15:29:58,412 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:29:58,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjunts are in the unsatisfiable core [2021-06-06 15:29:58,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:29:58,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 15:29:58,783 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:58,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 15:29:58,794 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:58,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 15:29:58,797 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:58,801 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:29:58,801 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:29:58,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 15:29:58,802 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:58,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 15:29:58,806 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:58,808 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:29:58,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 15:29:58,810 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 15:29:58,840 INFO L628 ElimStorePlain]: treesize reduction 40, result has 39.4 percent of original size [2021-06-06 15:29:58,840 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:29:58,842 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 15:29:58,842 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:119, output treesize:20 [2021-06-06 15:29:58,891 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:29:58,891 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [186853650] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:29:58,891 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:29:58,891 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 27 [2021-06-06 15:29:58,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668697696] [2021-06-06 15:29:58,892 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-06 15:29:58,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:29:58,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-06 15:29:58,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=638, Unknown=0, NotChecked=0, Total=702 [2021-06-06 15:29:58,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:29:58,893 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:29:58,893 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 27 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:29:58,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:29:58,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:58,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:58,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:29:58,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:29:58,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:29:58,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:29:58,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:29:58,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:29:58,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:29:58,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:29:58,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:29:58,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:29:58,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:29:58,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:29:58,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:29:58,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:29:59,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:29:59,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:59,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:29:59,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:29:59,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:29:59,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:29:59,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:29:59,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:29:59,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:29:59,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:29:59,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:29:59,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:29:59,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:29:59,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:29:59,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:29:59,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:29:59,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:30:00,068 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:30:00,069 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:30:00,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:30:00,069 INFO L82 PathProgramCache]: Analyzing trace with hash 667344140, now seen corresponding path program 15 times [2021-06-06 15:30:00,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:30:00,069 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702350540] [2021-06-06 15:30:00,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:30:00,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:30:00,259 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:30:00,260 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:30:00,260 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702350540] [2021-06-06 15:30:00,260 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702350540] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:30:00,260 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019932178] [2021-06-06 15:30:00,260 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:30:00,318 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-06 15:30:00,319 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:30:00,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjunts are in the unsatisfiable core [2021-06-06 15:30:00,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:30:00,699 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:00,699 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:00,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 15:30:00,701 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:00,704 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:00,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 15:30:00,706 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:00,735 INFO L628 ElimStorePlain]: treesize reduction 33, result has 35.3 percent of original size [2021-06-06 15:30:00,735 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:30:00,736 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:30:00,736 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:65, output treesize:12 [2021-06-06 15:30:00,772 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:30:00,773 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2019932178] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:30:00,773 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:30:00,773 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 27 [2021-06-06 15:30:00,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81648900] [2021-06-06 15:30:00,773 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-06 15:30:00,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:30:00,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-06 15:30:00,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=638, Unknown=0, NotChecked=0, Total=702 [2021-06-06 15:30:00,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:30:00,775 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:30:00,775 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 27 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:30:00,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:30:00,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:00,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:00,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:30:00,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:00,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:30:00,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:00,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:30:00,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:00,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:00,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:00,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:30:00,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:00,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:30:00,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:00,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:00,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:30:00,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:30:01,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:30:01,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:01,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:01,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:30:01,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:01,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:30:01,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:01,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:30:01,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:01,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:01,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:01,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:30:01,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:01,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:30:01,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:01,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:01,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:30:01,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:01,398 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable128 [2021-06-06 15:30:01,399 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:30:01,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:30:01,399 INFO L82 PathProgramCache]: Analyzing trace with hash -788253146, now seen corresponding path program 16 times [2021-06-06 15:30:01,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:30:01,399 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459596042] [2021-06-06 15:30:01,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:30:01,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:30:02,190 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:30:02,191 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:30:02,191 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459596042] [2021-06-06 15:30:02,191 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459596042] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:30:02,191 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [459163019] [2021-06-06 15:30:02,191 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:30:02,232 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 15:30:02,232 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:30:02,234 WARN L261 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 77 conjunts are in the unsatisfiable core [2021-06-06 15:30:02,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:30:03,470 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 81 [2021-06-06 15:30:03,688 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 81 [2021-06-06 15:30:03,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:03,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:03,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:03,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:03,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:03,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:03,930 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:03,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:03,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:03,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:03,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:03,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:03,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:03,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:03,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:03,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:03,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:03,941 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:03,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 54 [2021-06-06 15:30:03,951 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:03,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:03,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:03,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:03,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:03,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:03,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:03,958 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:03,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:03,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:03,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:03,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:03,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:03,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:03,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:03,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:03,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:03,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:03,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 56 [2021-06-06 15:30:03,968 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:03,981 INFO L628 ElimStorePlain]: treesize reduction 134, result has 7.6 percent of original size [2021-06-06 15:30:03,981 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:30:03,981 INFO L518 ElimStorePlain]: Eliminatee v_prenex_47 vanished before elimination [2021-06-06 15:30:03,982 INFO L518 ElimStorePlain]: Eliminatee v_prenex_48 vanished before elimination [2021-06-06 15:30:03,982 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:30:03,982 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:272, output treesize:11 [2021-06-06 15:30:04,020 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:30:04,020 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [459163019] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:30:04,020 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:30:04,020 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 30 [2021-06-06 15:30:04,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684937329] [2021-06-06 15:30:04,021 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-06 15:30:04,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:30:04,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-06 15:30:04,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=796, Unknown=0, NotChecked=0, Total=870 [2021-06-06 15:30:04,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:30:04,022 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:30:04,022 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 30 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:30:04,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:30:04,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:04,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:04,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:30:04,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:04,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:30:04,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:04,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:30:04,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:04,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:04,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:04,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:30:04,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:04,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:30:04,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:04,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:04,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:30:04,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:04,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:30:05,199 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-06-06 15:30:05,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:30:05,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:05,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:05,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:30:05,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:05,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:30:05,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:05,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:30:05,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:05,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:05,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:05,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:30:05,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:05,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:30:05,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:05,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:05,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:30:05,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:05,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:05,793 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:30:05,793 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:30:05,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:30:05,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1332871244, now seen corresponding path program 17 times [2021-06-06 15:30:05,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:30:05,794 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825580182] [2021-06-06 15:30:05,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:30:05,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:30:06,051 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:30:06,051 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:30:06,051 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825580182] [2021-06-06 15:30:06,052 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825580182] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:30:06,052 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572882226] [2021-06-06 15:30:06,052 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:30:06,101 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-06 15:30:06,102 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:30:06,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 34 conjunts are in the unsatisfiable core [2021-06-06 15:30:06,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:30:06,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 15:30:06,582 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:06,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 15:30:06,587 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:06,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 15:30:06,591 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:06,594 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:06,594 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:06,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 15:30:06,595 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:06,598 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:06,599 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:06,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 15:30:06,600 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:06,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 15:30:06,605 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:06,647 INFO L628 ElimStorePlain]: treesize reduction 40, result has 39.4 percent of original size [2021-06-06 15:30:06,647 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:30:06,649 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 15:30:06,649 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:119, output treesize:20 [2021-06-06 15:30:06,699 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:30:06,699 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1572882226] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:30:06,699 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:30:06,700 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 31 [2021-06-06 15:30:06,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782506147] [2021-06-06 15:30:06,700 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-06 15:30:06,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:30:06,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-06 15:30:06,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=856, Unknown=0, NotChecked=0, Total=930 [2021-06-06 15:30:06,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:30:06,701 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:30:06,701 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:30:06,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:30:06,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:06,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:06,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:30:06,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:06,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:30:06,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:06,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:30:06,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:06,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:06,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:06,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:30:06,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:06,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:30:06,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:06,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:06,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:30:06,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:06,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:06,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:30:07,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:30:07,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:07,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:07,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:30:07,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:07,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:30:07,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:07,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:30:07,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:07,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:07,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:07,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:30:07,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:07,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:30:07,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:07,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:07,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:30:07,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:07,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:07,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:30:07,994 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable155 [2021-06-06 15:30:07,994 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:30:07,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:30:07,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1980917500, now seen corresponding path program 18 times [2021-06-06 15:30:07,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:30:07,994 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861891689] [2021-06-06 15:30:07,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:30:08,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:30:08,199 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:30:08,199 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:30:08,199 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861891689] [2021-06-06 15:30:08,199 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861891689] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:30:08,200 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1338374157] [2021-06-06 15:30:08,200 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:30:08,238 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-06 15:30:08,238 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:30:08,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 34 conjunts are in the unsatisfiable core [2021-06-06 15:30:08,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:30:08,642 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:08,642 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:08,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 15:30:08,649 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:08,652 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:08,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 15:30:08,653 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:08,682 INFO L628 ElimStorePlain]: treesize reduction 33, result has 35.3 percent of original size [2021-06-06 15:30:08,683 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:30:08,683 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:30:08,684 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:65, output treesize:12 [2021-06-06 15:30:08,713 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:30:08,713 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1338374157] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:30:08,713 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:30:08,713 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 31 [2021-06-06 15:30:08,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502561089] [2021-06-06 15:30:08,714 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-06 15:30:08,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:30:08,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-06 15:30:08,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=856, Unknown=0, NotChecked=0, Total=930 [2021-06-06 15:30:08,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:30:08,714 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:30:08,716 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 31 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:30:08,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:30:08,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:08,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:08,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:30:08,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:08,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:30:08,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:08,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:30:08,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:08,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:08,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:08,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:30:08,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:08,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:30:08,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:08,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:08,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:30:08,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:08,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:08,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:30:08,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:30:09,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:30:09,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:09,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:09,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:30:09,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:09,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:30:09,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:09,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:30:09,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:09,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:09,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:09,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:30:09,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:09,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:30:09,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:09,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:09,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:30:09,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:09,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:09,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:30:09,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:30:09,362 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162,21 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:30:09,362 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:30:09,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:30:09,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1277815350, now seen corresponding path program 19 times [2021-06-06 15:30:09,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:30:09,363 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909476715] [2021-06-06 15:30:09,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:30:09,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:30:10,627 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:30:10,628 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:30:10,628 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909476715] [2021-06-06 15:30:10,628 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909476715] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:30:10,628 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105340663] [2021-06-06 15:30:10,628 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:30:10,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:30:10,666 WARN L261 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 89 conjunts are in the unsatisfiable core [2021-06-06 15:30:10,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:30:12,252 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 90 [2021-06-06 15:30:13,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,009 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:13,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,028 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:13,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 61 [2021-06-06 15:30:13,041 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:13,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,058 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:13,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 53 [2021-06-06 15:30:13,069 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:13,135 INFO L628 ElimStorePlain]: treesize reduction 128, result has 47.3 percent of original size [2021-06-06 15:30:13,135 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:30:13,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,153 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:13,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:13,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 63 [2021-06-06 15:30:13,160 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:13,175 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 15:30:13,178 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:13,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 6 [2021-06-06 15:30:13,180 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-06 15:30:13,193 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 15:30:13,195 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 15:30:13,195 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:389, output treesize:22 [2021-06-06 15:30:13,259 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:30:13,260 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105340663] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:30:13,260 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:30:13,260 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18] total 35 [2021-06-06 15:30:13,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642710093] [2021-06-06 15:30:13,260 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-06-06 15:30:13,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:30:13,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-06-06 15:30:13,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=1117, Unknown=0, NotChecked=0, Total=1190 [2021-06-06 15:30:13,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:30:13,264 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:30:13,264 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 35 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:30:13,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:30:13,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:13,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:13,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:30:13,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:13,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:30:13,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:13,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:30:13,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:13,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:13,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:13,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:30:13,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:13,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:30:13,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:13,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:13,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:30:13,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:13,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:13,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:30:13,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:30:13,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:30:14,869 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2021-06-06 15:30:15,256 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 88 [2021-06-06 15:30:15,639 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 119 [2021-06-06 15:30:15,934 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 115 [2021-06-06 15:30:16,191 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 115 [2021-06-06 15:30:16,447 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 115 [2021-06-06 15:30:16,707 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 120 [2021-06-06 15:30:16,958 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 119 [2021-06-06 15:30:17,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:30:17,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:17,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:17,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:30:17,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:17,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:30:17,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:17,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:30:17,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:17,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:17,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:17,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:30:17,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:17,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:30:17,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:17,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:17,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:30:17,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:17,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:17,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:30:17,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:30:17,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:30:17,341 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:30:17,341 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:30:17,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:30:17,341 INFO L82 PathProgramCache]: Analyzing trace with hash 956485180, now seen corresponding path program 20 times [2021-06-06 15:30:17,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:30:17,341 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212108819] [2021-06-06 15:30:17,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:30:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:30:17,624 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:30:17,625 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:30:17,625 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212108819] [2021-06-06 15:30:17,625 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212108819] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:30:17,625 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [853712833] [2021-06-06 15:30:17,625 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:30:17,674 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 15:30:17,674 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:30:17,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 38 conjunts are in the unsatisfiable core [2021-06-06 15:30:17,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:30:18,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 15:30:18,245 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:18,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 15:30:18,249 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:18,252 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:18,253 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:18,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 15:30:18,254 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:18,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 15:30:18,258 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:18,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 15:30:18,262 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:18,264 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:18,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 15:30:18,266 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:18,302 INFO L628 ElimStorePlain]: treesize reduction 40, result has 39.4 percent of original size [2021-06-06 15:30:18,302 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:30:18,303 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 15:30:18,304 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:119, output treesize:20 [2021-06-06 15:30:18,354 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:30:18,355 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [853712833] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:30:18,355 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:30:18,355 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 35 [2021-06-06 15:30:18,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877254692] [2021-06-06 15:30:18,355 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-06-06 15:30:18,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:30:18,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-06-06 15:30:18,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-06-06 15:30:18,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:30:18,356 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:30:18,356 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 1.2285714285714286) internal successors, (43), 35 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:30:18,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:30:18,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:18,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:18,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:30:18,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:18,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:30:18,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:18,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:30:18,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:18,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:18,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:18,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:30:18,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:18,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:30:18,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:18,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:18,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:30:18,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:18,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:18,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:30:18,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:30:18,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:30:18,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:30:19,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:30:19,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:19,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:19,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:30:19,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:19,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:30:19,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:19,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:30:19,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:19,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:19,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:19,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:30:19,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:19,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:30:19,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:19,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:19,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:30:19,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:19,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:19,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:30:19,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:30:19,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:30:19,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:30:19,992 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:30:19,993 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:30:19,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:30:19,993 INFO L82 PathProgramCache]: Analyzing trace with hash -428917364, now seen corresponding path program 21 times [2021-06-06 15:30:19,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:30:19,993 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381364354] [2021-06-06 15:30:19,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:30:20,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:30:20,246 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:30:20,246 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:30:20,246 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381364354] [2021-06-06 15:30:20,246 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381364354] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:30:20,246 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477141596] [2021-06-06 15:30:20,246 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:30:20,287 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-06 15:30:20,287 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:30:20,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 38 conjunts are in the unsatisfiable core [2021-06-06 15:30:20,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:30:20,808 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:20,808 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:20,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 15:30:20,809 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:20,812 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:20,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 15:30:20,813 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:20,836 INFO L628 ElimStorePlain]: treesize reduction 33, result has 35.3 percent of original size [2021-06-06 15:30:20,836 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:30:20,837 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:30:20,837 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:65, output treesize:12 [2021-06-06 15:30:20,869 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:30:20,869 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [477141596] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:30:20,869 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:30:20,870 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 35 [2021-06-06 15:30:20,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126614271] [2021-06-06 15:30:20,870 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-06-06 15:30:20,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:30:20,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-06-06 15:30:20,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-06-06 15:30:20,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:30:20,871 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:30:20,871 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 35 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:30:20,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:30:20,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:20,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:20,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:30:20,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:20,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:30:20,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:20,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:30:20,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:20,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:20,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:20,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:30:20,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:20,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:30:20,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:20,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:20,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:30:20,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:20,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:20,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:30:20,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:30:20,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:30:20,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:30:20,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:30:21,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:30:21,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:21,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:21,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:30:21,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:21,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:30:21,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:21,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:30:21,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:21,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:21,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:21,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:30:21,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:21,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:30:21,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:21,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:21,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:30:21,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:21,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:21,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:30:21,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:30:21,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:30:21,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:30:21,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:30:21,683 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable198,24 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:30:21,683 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:30:21,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:30:21,684 INFO L82 PathProgramCache]: Analyzing trace with hash -412621402, now seen corresponding path program 22 times [2021-06-06 15:30:21,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:30:21,684 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117085177] [2021-06-06 15:30:21,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:30:21,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:30:22,339 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:30:22,340 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:30:22,340 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117085177] [2021-06-06 15:30:22,340 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117085177] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:30:22,340 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1787191423] [2021-06-06 15:30:22,340 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:30:22,380 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 15:30:22,380 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:30:22,381 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 101 conjunts are in the unsatisfiable core [2021-06-06 15:30:22,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:30:23,490 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-06-06 15:30:23,705 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-06-06 15:30:23,921 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-06-06 15:30:24,218 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-06-06 15:30:24,464 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-06-06 15:30:24,698 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-06-06 15:30:24,987 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-06-06 15:30:25,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:25,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:25,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:25,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:25,058 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:25,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:25,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:25,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:25,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:25,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:25,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:25,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:25,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:25,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:25,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:25,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:25,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:25,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:25,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:25,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:25,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:25,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:25,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:25,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:25,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:25,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:25,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:25,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:25,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:25,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 68 [2021-06-06 15:30:25,081 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:25,115 INFO L628 ElimStorePlain]: treesize reduction 243, result has 4.3 percent of original size [2021-06-06 15:30:25,115 INFO L518 ElimStorePlain]: Eliminatee v_prenex_71 vanished before elimination [2021-06-06 15:30:25,116 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-06-06 15:30:25,116 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:30:25,116 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:30:25,116 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:338, output treesize:11 [2021-06-06 15:30:25,166 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:30:25,166 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1787191423] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:30:25,167 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:30:25,167 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20] total 38 [2021-06-06 15:30:25,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102400761] [2021-06-06 15:30:25,167 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-06-06 15:30:25,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:30:25,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-06-06 15:30:25,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1305, Unknown=0, NotChecked=0, Total=1406 [2021-06-06 15:30:25,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:30:25,168 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:30:25,168 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 1.263157894736842) internal successors, (48), 38 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:30:25,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:30:25,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:25,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:25,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:30:25,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:25,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:30:25,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:25,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:30:25,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:25,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:25,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:25,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:30:25,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:25,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:30:25,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:25,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:25,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:30:25,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:25,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:25,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:30:25,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:30:25,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:30:25,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:30:25,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:30:25,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:30:26,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:30:26,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:26,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:26,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:30:26,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:26,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:30:26,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:26,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:30:26,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:26,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:26,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:26,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:30:26,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:26,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:30:26,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:26,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:26,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:30:26,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:26,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:26,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:30:26,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:30:26,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:30:26,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:30:26,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:30:26,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:30:26,857 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable201,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:30:26,857 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:30:26,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:30:26,857 INFO L82 PathProgramCache]: Analyzing trace with hash 92553420, now seen corresponding path program 23 times [2021-06-06 15:30:26,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:30:26,857 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962371695] [2021-06-06 15:30:26,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:30:26,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:30:27,198 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 9 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:30:27,199 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:30:27,199 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962371695] [2021-06-06 15:30:27,199 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962371695] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:30:27,199 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511208911] [2021-06-06 15:30:27,199 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:30:27,245 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-06 15:30:27,245 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:30:27,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 42 conjunts are in the unsatisfiable core [2021-06-06 15:30:27,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:30:27,922 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:27,922 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:27,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 15:30:27,924 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:27,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 15:30:27,928 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:27,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 15:30:27,932 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:27,936 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:27,936 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:27,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 15:30:27,937 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:27,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 15:30:27,942 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:27,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 15:30:27,945 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:27,977 INFO L628 ElimStorePlain]: treesize reduction 40, result has 39.4 percent of original size [2021-06-06 15:30:27,977 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:30:27,978 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 15:30:27,978 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:119, output treesize:20 [2021-06-06 15:30:28,022 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 9 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:30:28,022 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [511208911] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:30:28,022 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:30:28,022 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 39 [2021-06-06 15:30:28,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829090563] [2021-06-06 15:30:28,023 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-06-06 15:30:28,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:30:28,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-06-06 15:30:28,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=1388, Unknown=0, NotChecked=0, Total=1482 [2021-06-06 15:30:28,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:30:28,023 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:30:28,023 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 1.205128205128205) internal successors, (47), 39 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:30:28,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:30:28,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:28,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:28,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:30:28,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:28,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:30:28,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:28,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:30:28,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:28,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:28,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:28,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:30:28,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:28,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:30:28,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:28,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:28,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:30:28,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:28,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:28,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:30:28,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:30:28,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:30:28,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:30:28,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:30:28,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:30:28,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:30:29,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:30:29,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:29,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:29,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:30:29,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:29,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:30:29,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:29,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:30:29,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:29,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:29,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:29,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:30:29,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:29,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:30:29,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:29,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:29,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:30:29,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:29,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:29,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:30:29,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:30:29,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:30:29,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:30:29,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:30:29,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:30:29,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:30:30,029 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable231 [2021-06-06 15:30:30,030 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:30:30,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:30:30,030 INFO L82 PathProgramCache]: Analyzing trace with hash 94747516, now seen corresponding path program 24 times [2021-06-06 15:30:30,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:30:30,030 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861243142] [2021-06-06 15:30:30,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:30:30,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:30:30,313 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:30:30,313 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:30:30,313 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861243142] [2021-06-06 15:30:30,313 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861243142] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:30:30,313 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1678774430] [2021-06-06 15:30:30,313 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:30:30,363 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-06-06 15:30:30,363 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:30:30,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 42 conjunts are in the unsatisfiable core [2021-06-06 15:30:30,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:30:30,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:30,974 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:30,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 15:30:30,975 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:30,979 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:30,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 15:30:30,980 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:31,009 INFO L628 ElimStorePlain]: treesize reduction 33, result has 35.3 percent of original size [2021-06-06 15:30:31,010 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:30:31,011 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:30:31,011 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:65, output treesize:12 [2021-06-06 15:30:31,048 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:30:31,048 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1678774430] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:30:31,048 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:30:31,048 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 39 [2021-06-06 15:30:31,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897207894] [2021-06-06 15:30:31,048 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-06-06 15:30:31,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:30:31,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-06-06 15:30:31,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=1388, Unknown=0, NotChecked=0, Total=1482 [2021-06-06 15:30:31,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:30:31,049 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:30:31,049 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 1.2307692307692308) internal successors, (48), 39 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:30:31,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:30:31,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:31,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:31,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:30:31,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:31,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:30:31,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:31,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:30:31,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:31,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:31,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:31,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:30:31,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:31,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:30:31,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:31,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:31,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:30:31,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:31,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:31,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:30:31,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:30:31,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:30:31,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:30:31,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:30:31,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:30:31,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:30:31,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:30:31,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:30:31,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:31,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:31,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:30:31,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:31,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:30:31,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:31,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:30:31,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:31,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:31,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:31,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:30:31,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:31,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:30:31,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:31,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:31,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:30:31,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:31,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:31,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:30:31,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:30:31,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:30:31,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:30:31,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:30:31,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:30:31,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:30:31,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:30:32,013 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable238 [2021-06-06 15:30:32,013 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:30:32,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:30:32,014 INFO L82 PathProgramCache]: Analyzing trace with hash -1358879306, now seen corresponding path program 25 times [2021-06-06 15:30:32,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:30:32,014 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788952629] [2021-06-06 15:30:32,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:30:32,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:30:33,401 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:30:33,401 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:30:33,402 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788952629] [2021-06-06 15:30:33,402 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788952629] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:30:33,402 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1911301914] [2021-06-06 15:30:33,402 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:30:33,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:30:33,452 WARN L261 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 113 conjunts are in the unsatisfiable core [2021-06-06 15:30:33,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:30:34,877 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-06-06 15:30:35,432 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-06-06 15:30:35,754 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-06-06 15:30:36,020 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 108 [2021-06-06 15:30:36,358 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 108 [2021-06-06 15:30:36,947 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 108 [2021-06-06 15:30:37,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,035 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:37,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,062 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:37,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 75 [2021-06-06 15:30:37,078 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:37,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,095 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:37,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 77 [2021-06-06 15:30:37,112 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:37,186 INFO L628 ElimStorePlain]: treesize reduction 146, result has 47.5 percent of original size [2021-06-06 15:30:37,189 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:37,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 6 [2021-06-06 15:30:37,191 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-06 15:30:37,216 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 15:30:37,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:37,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 62 [2021-06-06 15:30:37,245 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:37,256 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 15:30:37,256 INFO L518 ElimStorePlain]: Eliminatee v_prenex_84 vanished before elimination [2021-06-06 15:30:37,257 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 15:30:37,257 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:477, output treesize:22 [2021-06-06 15:30:37,337 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:30:37,337 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1911301914] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:30:37,337 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:30:37,337 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 22] total 43 [2021-06-06 15:30:37,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144010182] [2021-06-06 15:30:37,337 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-06-06 15:30:37,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:30:37,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-06-06 15:30:37,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=1714, Unknown=0, NotChecked=0, Total=1806 [2021-06-06 15:30:37,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:30:37,338 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:30:37,338 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.2093023255813953) internal successors, (52), 43 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:30:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:30:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:30:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:30:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:30:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:30:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:30:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:30:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:30:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:30:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:30:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:30:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:30:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:30:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:30:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:30:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:30:39,824 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2021-06-06 15:30:40,269 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 95 [2021-06-06 15:30:40,715 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 129 [2021-06-06 15:30:41,010 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 130 [2021-06-06 15:30:41,329 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 130 [2021-06-06 15:30:41,629 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 130 [2021-06-06 15:30:41,934 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 129 [2021-06-06 15:30:42,232 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 130 [2021-06-06 15:30:42,530 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 130 [2021-06-06 15:30:42,856 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 130 [2021-06-06 15:30:42,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:30:42,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:42,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:42,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:30:42,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:30:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:30:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:30:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:30:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:30:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:30:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:30:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:30:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:30:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:30:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:30:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:30:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:30:42,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:30:43,140 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable241,28 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:30:43,140 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:30:43,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:30:43,141 INFO L82 PathProgramCache]: Analyzing trace with hash 823329468, now seen corresponding path program 26 times [2021-06-06 15:30:43,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:30:43,141 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427287857] [2021-06-06 15:30:43,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:30:43,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:30:43,467 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:30:43,467 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:30:43,467 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427287857] [2021-06-06 15:30:43,468 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427287857] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:30:43,468 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906850609] [2021-06-06 15:30:43,468 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:30:43,509 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 15:30:43,509 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:30:43,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 46 conjunts are in the unsatisfiable core [2021-06-06 15:30:43,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:30:44,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 15:30:44,304 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:44,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 15:30:44,308 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:44,311 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:44,311 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:44,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 15:30:44,313 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:44,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 15:30:44,316 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:44,319 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:44,320 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:44,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 15:30:44,321 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:44,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 15:30:44,325 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:44,359 INFO L628 ElimStorePlain]: treesize reduction 40, result has 39.4 percent of original size [2021-06-06 15:30:44,360 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:30:44,361 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 15:30:44,361 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:119, output treesize:20 [2021-06-06 15:30:44,407 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:30:44,407 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [906850609] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:30:44,407 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:30:44,407 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 43 [2021-06-06 15:30:44,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759618651] [2021-06-06 15:30:44,408 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-06-06 15:30:44,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:30:44,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-06-06 15:30:44,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=1702, Unknown=0, NotChecked=0, Total=1806 [2021-06-06 15:30:44,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:30:44,409 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:30:44,409 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.186046511627907) internal successors, (51), 43 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:30:44,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:30:44,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:44,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:44,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:30:44,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:44,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:30:44,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:44,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:30:44,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:44,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:44,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:44,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:30:44,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:44,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:30:44,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:44,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:44,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:30:44,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:44,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:44,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:30:44,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:30:44,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:30:44,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:30:44,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:30:44,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:30:44,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:30:44,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:30:44,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:30:44,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:30:46,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:30:46,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:46,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:46,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:30:46,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:46,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:30:46,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:46,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:30:46,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:46,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:46,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:46,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:30:46,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:46,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:30:46,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:46,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:46,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:30:46,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:46,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:46,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:30:46,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:30:46,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:30:46,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:30:46,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:30:46,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:30:46,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:30:46,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:30:46,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:30:46,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:30:46,379 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable280,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:30:46,379 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:30:46,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:30:46,379 INFO L82 PathProgramCache]: Analyzing trace with hash 891346444, now seen corresponding path program 27 times [2021-06-06 15:30:46,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:30:46,380 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058735617] [2021-06-06 15:30:46,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:30:46,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:30:46,714 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:30:46,714 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:30:46,714 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058735617] [2021-06-06 15:30:46,714 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058735617] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:30:46,714 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [151401900] [2021-06-06 15:30:46,715 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:30:46,760 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-06 15:30:46,760 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:30:46,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 46 conjunts are in the unsatisfiable core [2021-06-06 15:30:46,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:30:47,453 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:47,454 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:47,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 15:30:47,455 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:47,458 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:47,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 15:30:47,459 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:47,487 INFO L628 ElimStorePlain]: treesize reduction 33, result has 35.3 percent of original size [2021-06-06 15:30:47,487 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:30:47,488 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:30:47,488 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:65, output treesize:12 [2021-06-06 15:30:47,536 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:30:47,537 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [151401900] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:30:47,537 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:30:47,537 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 43 [2021-06-06 15:30:47,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237419606] [2021-06-06 15:30:47,537 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-06-06 15:30:47,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:30:47,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-06-06 15:30:47,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=1702, Unknown=0, NotChecked=0, Total=1806 [2021-06-06 15:30:47,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:30:47,538 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:30:47,538 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.2093023255813953) internal successors, (52), 43 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:30:47,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:30:47,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:47,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:30:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:30:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:30:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:30:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:30:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:30:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:30:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:30:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:30:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:30:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:30:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:30:47,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:30:47,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:30:47,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:30:47,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:30:47,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:30:48,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:30:48,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:48,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:48,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:30:48,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:48,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:30:48,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:48,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:30:48,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:48,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:48,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:48,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:30:48,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:48,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:30:48,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:48,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:48,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:30:48,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:48,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:48,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:30:48,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:30:48,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:30:48,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:30:48,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:30:48,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:30:48,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:30:48,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:30:48,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:30:48,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:30:48,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:30:48,589 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable287 [2021-06-06 15:30:48,589 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:30:48,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:30:48,589 INFO L82 PathProgramCache]: Analyzing trace with hash 1860850982, now seen corresponding path program 28 times [2021-06-06 15:30:48,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:30:48,590 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885131131] [2021-06-06 15:30:48,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:30:48,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:30:50,153 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:30:50,153 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:30:50,153 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885131131] [2021-06-06 15:30:50,153 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885131131] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:30:50,153 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1980671469] [2021-06-06 15:30:50,153 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:30:50,196 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 15:30:50,197 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:30:50,198 WARN L261 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 125 conjunts are in the unsatisfiable core [2021-06-06 15:30:50,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:30:51,804 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-06-06 15:30:52,073 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-06-06 15:30:52,400 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-06-06 15:30:52,666 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-06-06 15:30:52,953 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-06-06 15:30:53,299 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-06-06 15:30:53,631 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-06-06 15:30:53,995 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-06-06 15:30:54,355 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-06-06 15:30:54,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,434 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:30:54,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:30:54,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 82 [2021-06-06 15:30:54,462 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:30:54,495 INFO L628 ElimStorePlain]: treesize reduction 287, result has 3.7 percent of original size [2021-06-06 15:30:54,495 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:30:54,495 INFO L518 ElimStorePlain]: Eliminatee v_prenex_100 vanished before elimination [2021-06-06 15:30:54,495 INFO L518 ElimStorePlain]: Eliminatee v_prenex_99 vanished before elimination [2021-06-06 15:30:54,496 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:30:54,496 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:404, output treesize:11 [2021-06-06 15:30:54,504 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:30:54,504 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1980671469] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:30:54,504 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:30:54,504 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24] total 45 [2021-06-06 15:30:54,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803538098] [2021-06-06 15:30:54,504 INFO L462 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-06-06 15:30:54,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:30:54,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-06-06 15:30:54,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=1889, Unknown=0, NotChecked=0, Total=1980 [2021-06-06 15:30:54,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:30:54,505 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:30:54,505 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 45 states, 45 states have (on average 1.1777777777777778) internal successors, (53), 45 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:30:54,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:30:54,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:54,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:30:54,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:30:54,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:54,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:30:54,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:54,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:30:54,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:30:54,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:30:54,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:54,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:30:54,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:54,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:30:54,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:30:54,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:54,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:30:54,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:30:54,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:30:54,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:30:54,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:30:54,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:30:54,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:30:54,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:30:54,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:30:54,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:30:54,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:30:54,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:30:54,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:30:54,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:30:54,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:30:55,815 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 58 [2021-06-06 15:30:57,505 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 73 [2021-06-06 15:30:58,132 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 78 [2021-06-06 15:30:58,784 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 81 [2021-06-06 15:30:59,410 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 88 [2021-06-06 15:30:59,687 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2021-06-06 15:31:00,241 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 96 [2021-06-06 15:31:00,688 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 130 [2021-06-06 15:31:01,043 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 131 [2021-06-06 15:31:01,415 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 131 [2021-06-06 15:31:01,740 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 131 [2021-06-06 15:31:02,101 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 130 [2021-06-06 15:31:02,558 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 131 [2021-06-06 15:31:02,865 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 131 [2021-06-06 15:31:03,200 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 131 [2021-06-06 15:31:03,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:31:03,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:31:03,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:31:03,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:31:03,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:31:03,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:31:03,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:31:03,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:31:03,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:31:03,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:31:03,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:31:03,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:31:03,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:31:03,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:31:03,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:31:03,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:31:03,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:31:03,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:31:03,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:31:03,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:31:03,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:31:03,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:31:03,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:31:03,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:31:03,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:31:03,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:31:03,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:31:03,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:31:03,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:31:03,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:31:03,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:31:03,600 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable290,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:31:03,601 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:31:03,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:31:03,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1850720588, now seen corresponding path program 29 times [2021-06-06 15:31:03,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:31:03,601 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950682806] [2021-06-06 15:31:03,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:31:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:31:03,980 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 11 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:31:03,980 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:31:03,980 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950682806] [2021-06-06 15:31:03,980 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950682806] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:31:03,980 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [646529708] [2021-06-06 15:31:03,980 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:31:04,072 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-06-06 15:31:04,073 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:31:04,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-06 15:31:04,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:31:04,982 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:31:04,983 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:31:04,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 15:31:04,984 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:31:04,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 15:31:04,987 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:31:04,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 15:31:04,991 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 15:31:04,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 15:31:04,994 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 15:31:04,996 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:31:04,997 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:31:04,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 15:31:04,998 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 15:31:05,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 15:31:05,001 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 15:31:05,032 INFO L628 ElimStorePlain]: treesize reduction 40, result has 39.4 percent of original size [2021-06-06 15:31:05,032 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:31:05,034 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 15:31:05,034 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:119, output treesize:20 [2021-06-06 15:31:05,082 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 11 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:31:05,083 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [646529708] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:31:05,083 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:31:05,083 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 47 [2021-06-06 15:31:05,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263236410] [2021-06-06 15:31:05,083 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-06-06 15:31:05,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:31:05,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-06-06 15:31:05,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=2048, Unknown=0, NotChecked=0, Total=2162 [2021-06-06 15:31:05,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:31:05,084 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:31:05,084 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 1.1702127659574468) internal successors, (55), 47 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:31:05,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:31:05,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:31:05,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:31:05,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:31:05,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:31:05,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:31:05,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:31:05,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:31:05,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:31:05,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:31:05,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:31:05,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:31:05,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:31:05,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:31:05,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:31:05,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:31:05,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:31:05,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:31:05,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:31:05,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:31:05,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:31:05,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:31:05,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:31:05,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:31:05,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:31:05,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:31:05,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:31:05,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:31:05,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:31:05,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:31:05,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:31:05,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:31:07,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:31:07,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:31:07,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:31:07,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:31:07,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:31:07,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:31:07,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:31:07,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:31:07,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:31:07,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:31:07,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:31:07,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:31:07,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:31:07,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:31:07,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:31:07,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:31:07,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:31:07,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:31:07,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:31:07,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:31:07,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:31:07,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:31:07,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:31:07,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:31:07,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:31:07,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:31:07,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:31:07,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:31:07,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:31:07,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:31:07,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:31:07,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:31:07,564 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable323 [2021-06-06 15:31:07,565 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:31:07,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:31:07,565 INFO L82 PathProgramCache]: Analyzing trace with hash -335720452, now seen corresponding path program 30 times [2021-06-06 15:31:07,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:31:07,565 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982306042] [2021-06-06 15:31:07,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:31:07,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:31:08,032 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:31:08,032 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:31:08,032 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982306042] [2021-06-06 15:31:08,032 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982306042] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:31:08,032 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1035721525] [2021-06-06 15:31:08,032 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:31:08,094 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-06 15:31:08,095 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:31:08,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-06 15:31:08,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:31:08,934 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:31:08,934 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:31:08,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 15:31:08,935 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:31:08,938 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:31:08,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 15:31:08,939 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:31:08,963 INFO L628 ElimStorePlain]: treesize reduction 33, result has 35.3 percent of original size [2021-06-06 15:31:08,963 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:31:08,964 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:31:08,964 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:65, output treesize:12 [2021-06-06 15:31:09,004 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:31:09,005 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1035721525] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:31:09,005 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:31:09,005 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 47 [2021-06-06 15:31:09,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159363598] [2021-06-06 15:31:09,005 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-06-06 15:31:09,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:31:09,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-06-06 15:31:09,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=2048, Unknown=0, NotChecked=0, Total=2162 [2021-06-06 15:31:09,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:31:09,006 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:31:09,006 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 1.1914893617021276) internal successors, (56), 47 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:31:09,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:31:09,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:31:09,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:31:09,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:31:09,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:31:09,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:31:09,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:31:09,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:31:09,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:31:09,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:31:09,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:31:09,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:31:09,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:31:09,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:31:09,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:31:09,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:31:09,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:31:09,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:31:09,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:31:09,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:31:09,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:31:09,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:31:09,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:31:09,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:31:09,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:31:09,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:31:09,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:31:09,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:31:09,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:31:09,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:31:09,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:31:09,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:31:09,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:31:10,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:31:10,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:31:10,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:31:10,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:31:10,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:31:10,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:31:10,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:31:10,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:31:10,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:31:10,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:31:10,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:31:10,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:31:10,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:31:10,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:31:10,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:31:10,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:31:10,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:31:10,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:31:10,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:31:10,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:31:10,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:31:10,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:31:10,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:31:10,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:31:10,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:31:10,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:31:10,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:31:10,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:31:10,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:31:10,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:31:10,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:31:10,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:31:10,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:31:10,395 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable330 [2021-06-06 15:31:10,396 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:31:10,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:31:10,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1818484426, now seen corresponding path program 31 times [2021-06-06 15:31:10,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:31:10,396 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727449772] [2021-06-06 15:31:10,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:31:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:31:11,633 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:31:11,633 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:31:11,633 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727449772] [2021-06-06 15:31:11,633 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727449772] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:31:11,633 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346887411] [2021-06-06 15:31:11,633 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:31:11,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:31:11,688 WARN L261 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 137 conjunts are in the unsatisfiable core [2021-06-06 15:31:11,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:31:13,474 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-06-06 15:31:13,759 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-06-06 15:31:14,076 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-06-06 15:31:14,369 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-06-06 15:31:14,683 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-06-06 15:31:14,986 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-06-06 15:31:15,305 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-06-06 15:31:15,642 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-06-06 15:31:15,994 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-06-06 15:31:16,297 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-06-06 15:31:16,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,435 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:31:16,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,482 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:31:16,483 INFO L244 Elim1Store]: Index analysis took 118 ms [2021-06-06 15:31:16,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 55 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 89 [2021-06-06 15:31:16,489 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:31:16,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,538 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:31:16,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:16,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 55 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 91 [2021-06-06 15:31:16,545 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:31:16,559 INFO L628 ElimStorePlain]: treesize reduction 187, result has 5.6 percent of original size [2021-06-06 15:31:16,560 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:31:16,560 INFO L518 ElimStorePlain]: Eliminatee v_prenex_110 vanished before elimination [2021-06-06 15:31:16,560 INFO L518 ElimStorePlain]: Eliminatee v_prenex_111 vanished before elimination [2021-06-06 15:31:16,560 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:31:16,560 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:437, output treesize:11 [2021-06-06 15:31:16,569 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:31:16,569 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [346887411] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:31:16,569 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:31:16,569 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26] total 49 [2021-06-06 15:31:16,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311885446] [2021-06-06 15:31:16,569 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-06-06 15:31:16,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:31:16,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-06-06 15:31:16,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=2222, Unknown=0, NotChecked=0, Total=2352 [2021-06-06 15:31:16,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:31:16,570 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:31:16,570 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 1.163265306122449) internal successors, (57), 49 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:31:16,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:31:16,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:31:16,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:31:16,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:31:16,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:31:16,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:31:16,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:31:16,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:31:16,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:31:16,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:31:16,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:31:16,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:31:16,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:31:16,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:31:16,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:31:16,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:31:16,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:31:16,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:31:16,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:31:16,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:31:16,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:31:16,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:31:16,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:31:16,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:31:16,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:31:16,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:31:16,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:31:16,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:31:16,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:31:16,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:31:16,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:31:16,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:31:16,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:31:16,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:31:18,214 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2021-06-06 15:31:19,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:31:19,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:31:19,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:31:19,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:31:19,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:31:19,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:31:19,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:31:19,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:31:19,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:31:19,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:31:19,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:31:19,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:31:19,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:31:19,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:31:19,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:31:19,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:31:19,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:31:19,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:31:19,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:31:19,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:31:19,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:31:19,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:31:19,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:31:19,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:31:19,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:31:19,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:31:19,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:31:19,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:31:19,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:31:19,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:31:19,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:31:19,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:31:19,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:31:19,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:31:19,297 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable333 [2021-06-06 15:31:19,298 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:31:19,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:31:19,298 INFO L82 PathProgramCache]: Analyzing trace with hash -539527364, now seen corresponding path program 32 times [2021-06-06 15:31:19,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:31:19,298 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146139804] [2021-06-06 15:31:19,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:31:19,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:31:19,732 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:31:19,733 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:31:19,733 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146139804] [2021-06-06 15:31:19,733 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146139804] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:31:19,733 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [764219411] [2021-06-06 15:31:19,733 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:31:19,778 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 15:31:19,778 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:31:19,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 54 conjunts are in the unsatisfiable core [2021-06-06 15:31:19,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:31:20,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 15:31:20,888 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:31:20,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 15:31:20,892 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:31:20,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 15:31:20,895 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 15:31:20,899 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:31:20,899 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:31:20,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 15:31:20,900 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 15:31:20,904 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:31:20,904 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:31:20,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 15:31:20,905 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 15:31:20,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 15:31:20,909 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 15:31:20,943 INFO L628 ElimStorePlain]: treesize reduction 40, result has 39.4 percent of original size [2021-06-06 15:31:20,943 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:31:20,944 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 15:31:20,944 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:119, output treesize:20 [2021-06-06 15:31:20,997 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:31:20,997 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [764219411] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:31:20,997 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:31:20,997 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 51 [2021-06-06 15:31:20,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065599776] [2021-06-06 15:31:20,997 INFO L462 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-06-06 15:31:20,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:31:20,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-06-06 15:31:20,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=2426, Unknown=0, NotChecked=0, Total=2550 [2021-06-06 15:31:20,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:31:20,998 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:31:20,998 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 1.1568627450980393) internal successors, (59), 51 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:31:20,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:31:20,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:31:20,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:31:20,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:31:20,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:31:20,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:31:20,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:31:20,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:31:20,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:31:20,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:31:20,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:31:20,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:31:20,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:31:20,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:31:20,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:31:20,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:31:20,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:31:20,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:31:20,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:31:20,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:31:20,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:31:20,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:31:20,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:31:20,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:31:20,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:31:20,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:31:20,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:31:20,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:31:20,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:31:21,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:31:21,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:31:21,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:31:21,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:31:21,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:31:21,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:31:23,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:31:23,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:31:23,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:31:23,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:31:23,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:31:23,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:31:23,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:31:23,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:31:23,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:31:23,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:31:23,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:31:23,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:31:23,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:31:23,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:31:23,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:31:23,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:31:23,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:31:23,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:31:23,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:31:23,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:31:23,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:31:23,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:31:23,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:31:23,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:31:23,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:31:23,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:31:23,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:31:23,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:31:23,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:31:23,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:31:23,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:31:23,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:31:23,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:31:23,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:31:23,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:31:23,790 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable371,35 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:31:23,790 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:31:23,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:31:23,790 INFO L82 PathProgramCache]: Analyzing trace with hash 400277132, now seen corresponding path program 33 times [2021-06-06 15:31:23,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:31:23,790 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837438735] [2021-06-06 15:31:23,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:31:23,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:31:24,239 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:31:24,240 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:31:24,240 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837438735] [2021-06-06 15:31:24,240 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837438735] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:31:24,240 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1757012953] [2021-06-06 15:31:24,240 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:31:24,292 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-06-06 15:31:24,292 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:31:24,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 54 conjunts are in the unsatisfiable core [2021-06-06 15:31:24,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:31:25,224 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:31:25,225 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:31:25,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 15:31:25,226 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:31:25,228 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:31:25,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 15:31:25,229 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:31:25,253 INFO L628 ElimStorePlain]: treesize reduction 33, result has 35.3 percent of original size [2021-06-06 15:31:25,253 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:31:25,254 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:31:25,254 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:65, output treesize:12 [2021-06-06 15:31:25,297 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:31:25,297 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1757012953] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:31:25,298 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:31:25,298 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 51 [2021-06-06 15:31:25,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272219645] [2021-06-06 15:31:25,298 INFO L462 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-06-06 15:31:25,298 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:31:25,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-06-06 15:31:25,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=2426, Unknown=0, NotChecked=0, Total=2550 [2021-06-06 15:31:25,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:31:25,299 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:31:25,299 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 1.1764705882352942) internal successors, (60), 51 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:31:25,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:31:25,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:31:25,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:31:25,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:31:25,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:31:25,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:31:25,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:31:25,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:31:25,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:31:25,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:31:25,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:31:25,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:31:25,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:31:25,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:31:25,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:31:25,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:31:25,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:31:25,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:31:25,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:31:25,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:31:25,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:31:25,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:31:25,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:31:25,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:31:25,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:31:25,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:31:25,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:31:25,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:31:25,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:31:25,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:31:25,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:31:25,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:31:25,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:31:25,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:31:25,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:31:25,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:31:26,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:31:26,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:31:26,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:31:26,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:31:26,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:31:26,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:31:26,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:31:26,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:31:26,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:31:26,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:31:26,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:31:26,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:31:26,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:31:26,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:31:26,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:31:26,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:31:26,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:31:26,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:31:26,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:31:26,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:31:26,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:31:26,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:31:26,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:31:26,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:31:26,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:31:26,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:31:26,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:31:26,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:31:26,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:31:26,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:31:26,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:31:26,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:31:26,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:31:26,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:31:26,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:31:26,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:31:26,949 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable378 [2021-06-06 15:31:26,949 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:31:26,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:31:26,950 INFO L82 PathProgramCache]: Analyzing trace with hash -477395802, now seen corresponding path program 34 times [2021-06-06 15:31:26,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:31:26,950 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642840476] [2021-06-06 15:31:26,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:31:26,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:31:28,574 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:31:28,574 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:31:28,574 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642840476] [2021-06-06 15:31:28,574 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642840476] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:31:28,574 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [408465738] [2021-06-06 15:31:28,574 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:31:28,637 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 15:31:28,638 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:31:28,639 WARN L261 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 149 conjunts are in the unsatisfiable core [2021-06-06 15:31:28,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:31:30,672 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-06-06 15:31:31,034 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-06-06 15:31:31,378 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-06-06 15:31:31,730 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-06-06 15:31:32,060 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-06-06 15:31:32,424 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-06-06 15:31:32,800 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-06-06 15:31:33,131 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-06-06 15:31:33,491 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-06-06 15:31:33,830 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-06-06 15:31:34,189 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-06-06 15:31:34,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,313 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:31:34,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,367 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:31:34,368 INFO L244 Elim1Store]: Index analysis took 106 ms [2021-06-06 15:31:34,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 66 disjoint index pairs (out of 78 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 96 [2021-06-06 15:31:34,374 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:31:34,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,433 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:31:34,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:34,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 66 disjoint index pairs (out of 78 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 98 [2021-06-06 15:31:34,441 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:31:34,459 INFO L628 ElimStorePlain]: treesize reduction 200, result has 5.2 percent of original size [2021-06-06 15:31:34,460 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-06-06 15:31:34,460 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:31:34,460 INFO L518 ElimStorePlain]: Eliminatee v_prenex_117 vanished before elimination [2021-06-06 15:31:34,461 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:31:34,461 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:470, output treesize:11 [2021-06-06 15:31:34,555 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:31:34,555 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [408465738] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:31:34,556 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:31:34,556 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 54 [2021-06-06 15:31:34,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726065414] [2021-06-06 15:31:34,556 INFO L462 AbstractCegarLoop]: Interpolant automaton has 54 states [2021-06-06 15:31:34,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:31:34,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-06-06 15:31:34,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=2729, Unknown=0, NotChecked=0, Total=2862 [2021-06-06 15:31:34,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:31:34,557 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:31:34,557 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 54 states, 54 states have (on average 1.1851851851851851) internal successors, (64), 54 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:31:34,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:31:34,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:31:34,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:31:34,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:31:34,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:31:34,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:31:34,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:31:34,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:31:34,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:31:34,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:31:34,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:31:34,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:31:34,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:31:34,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:31:34,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:31:34,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:31:34,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:31:34,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:31:34,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:31:34,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:31:34,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:31:34,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:31:34,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:31:34,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:31:34,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:31:34,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:31:34,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:31:34,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:31:34,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:31:34,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:31:34,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:31:34,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:31:34,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:31:34,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:31:34,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:31:34,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:31:34,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:31:38,557 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 96 [2021-06-06 15:31:39,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:31:39,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:31:39,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:31:39,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:31:39,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:31:39,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:31:39,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:31:39,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:31:39,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:31:39,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:31:39,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:31:39,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:31:39,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:31:39,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:31:39,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:31:39,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:31:39,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:31:39,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:31:39,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:31:39,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:31:39,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:31:39,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:31:39,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:31:39,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:31:39,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:31:39,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:31:39,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:31:39,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:31:39,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:31:39,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:31:39,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:31:39,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:31:39,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:31:39,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:31:39,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:31:39,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:31:39,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:31:40,108 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable381 [2021-06-06 15:31:40,109 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:31:40,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:31:40,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1915452980, now seen corresponding path program 35 times [2021-06-06 15:31:40,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:31:40,109 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449096081] [2021-06-06 15:31:40,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:31:40,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:31:40,614 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:31:40,615 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:31:40,615 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449096081] [2021-06-06 15:31:40,615 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449096081] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:31:40,615 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [864103423] [2021-06-06 15:31:40,615 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:31:40,674 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-06-06 15:31:40,674 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:31:40,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 58 conjunts are in the unsatisfiable core [2021-06-06 15:31:40,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:31:41,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 15:31:41,876 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:31:41,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 15:31:41,880 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:31:41,882 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:31:41,883 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:31:41,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 15:31:41,884 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 15:31:41,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 15:31:41,889 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 15:31:41,891 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:31:41,892 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:31:41,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 15:31:41,893 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 15:31:41,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 15:31:41,896 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 15:31:41,927 INFO L628 ElimStorePlain]: treesize reduction 40, result has 39.4 percent of original size [2021-06-06 15:31:41,928 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:31:41,929 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 15:31:41,929 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:119, output treesize:20 [2021-06-06 15:31:41,984 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:31:41,984 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [864103423] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:31:41,984 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:31:41,984 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 55 [2021-06-06 15:31:41,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861141719] [2021-06-06 15:31:41,984 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-06-06 15:31:41,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:31:41,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-06-06 15:31:41,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=2836, Unknown=0, NotChecked=0, Total=2970 [2021-06-06 15:31:41,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:31:41,986 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:31:41,986 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 1.1454545454545455) internal successors, (63), 55 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:31:41,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:31:41,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:31:41,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:31:41,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:31:41,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:31:41,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:31:41,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:31:41,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:31:41,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:31:41,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:31:41,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:31:41,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:31:41,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:31:41,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:31:41,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:31:41,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:31:41,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:31:41,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:31:41,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:31:41,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:31:41,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:31:41,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:31:41,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:31:41,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:31:41,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:31:41,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:31:41,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:31:41,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:31:41,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:31:41,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:31:41,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:31:41,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:31:41,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:31:41,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:31:41,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:31:41,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:31:41,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:31:41,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:31:45,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:31:45,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:31:45,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:31:45,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:31:45,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:31:45,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:31:45,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:31:45,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:31:45,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:31:45,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:31:45,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:31:45,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:31:45,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:31:45,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:31:45,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:31:45,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:31:45,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:31:45,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:31:45,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:31:45,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:31:45,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:31:45,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:31:45,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:31:45,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:31:45,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:31:45,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:31:45,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:31:45,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:31:45,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:31:45,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:31:45,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:31:45,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:31:45,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:31:45,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:31:45,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:31:45,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:31:45,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:31:45,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:31:45,601 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable424 [2021-06-06 15:31:45,601 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:31:45,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:31:45,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1448682620, now seen corresponding path program 36 times [2021-06-06 15:31:45,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:31:45,601 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876137224] [2021-06-06 15:31:45,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:31:45,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:31:46,125 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:31:46,125 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:31:46,125 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876137224] [2021-06-06 15:31:46,125 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876137224] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:31:46,125 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513643621] [2021-06-06 15:31:46,126 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:31:46,180 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-06-06 15:31:46,180 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:31:46,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 58 conjunts are in the unsatisfiable core [2021-06-06 15:31:46,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:31:47,252 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:31:47,253 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:31:47,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 15:31:47,254 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:31:47,256 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:31:47,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 15:31:47,257 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:31:47,281 INFO L628 ElimStorePlain]: treesize reduction 33, result has 35.3 percent of original size [2021-06-06 15:31:47,281 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:31:47,282 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:31:47,282 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:65, output treesize:12 [2021-06-06 15:31:47,328 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:31:47,328 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1513643621] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:31:47,328 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:31:47,328 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 55 [2021-06-06 15:31:47,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869639534] [2021-06-06 15:31:47,329 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-06-06 15:31:47,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:31:47,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-06-06 15:31:47,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=2836, Unknown=0, NotChecked=0, Total=2970 [2021-06-06 15:31:47,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:31:47,330 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:31:47,330 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 1.1636363636363636) internal successors, (64), 55 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:31:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:31:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:31:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:31:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:31:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:31:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:31:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:31:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:31:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:31:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:31:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:31:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:31:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:31:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:31:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:31:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:31:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:31:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:31:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:31:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:31:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:31:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:31:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:31:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:31:47,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:31:47,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:31:47,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:31:47,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:31:47,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:31:47,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:31:47,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:31:47,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:31:47,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:31:47,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:31:47,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:31:47,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:31:47,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:31:47,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:31:47,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:31:48,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:31:48,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:31:48,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:31:48,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:31:48,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:31:48,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:31:48,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:31:48,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:31:48,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:31:48,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:31:48,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:31:48,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:31:48,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:31:48,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:31:48,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:31:48,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:31:48,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:31:48,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:31:48,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:31:48,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:31:48,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:31:48,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:31:48,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:31:48,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:31:48,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:31:48,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:31:48,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:31:48,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:31:48,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:31:48,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:31:48,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:31:48,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:31:48,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:31:48,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:31:48,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:31:48,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:31:48,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:31:48,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:31:48,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 15:31:48,946 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable431 [2021-06-06 15:31:48,947 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:31:48,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:31:48,947 INFO L82 PathProgramCache]: Analyzing trace with hash 1958403254, now seen corresponding path program 37 times [2021-06-06 15:31:48,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:31:48,947 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557604376] [2021-06-06 15:31:48,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:31:48,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:31:50,608 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:31:50,609 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:31:50,609 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557604376] [2021-06-06 15:31:50,609 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557604376] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:31:50,609 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2080048384] [2021-06-06 15:31:50,609 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:31:50,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:31:50,677 WARN L261 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 161 conjunts are in the unsatisfiable core [2021-06-06 15:31:50,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:31:53,064 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-06-06 15:31:53,476 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-06-06 15:31:53,906 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-06-06 15:31:54,291 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-06-06 15:31:54,658 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-06-06 15:31:55,076 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-06-06 15:31:55,550 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-06-06 15:31:55,940 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-06-06 15:31:56,406 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-06-06 15:31:56,805 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-06-06 15:31:57,230 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-06-06 15:31:57,625 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-06-06 15:31:57,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,778 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:31:57,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,842 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:31:57,844 INFO L244 Elim1Store]: Index analysis took 138 ms [2021-06-06 15:31:57,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 78 disjoint index pairs (out of 91 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 105 [2021-06-06 15:31:57,851 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:31:57,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,910 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:31:57,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:31:57,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 78 disjoint index pairs (out of 91 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 103 [2021-06-06 15:31:57,917 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:31:57,931 INFO L628 ElimStorePlain]: treesize reduction 209, result has 5.0 percent of original size [2021-06-06 15:31:57,931 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:31:57,931 INFO L518 ElimStorePlain]: Eliminatee v_prenex_132 vanished before elimination [2021-06-06 15:31:57,932 INFO L518 ElimStorePlain]: Eliminatee v_prenex_133 vanished before elimination [2021-06-06 15:31:57,932 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:31:57,932 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:503, output treesize:11 [2021-06-06 15:31:58,007 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:31:58,008 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2080048384] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:31:58,008 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:31:58,008 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 30] total 58 [2021-06-06 15:31:58,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647157582] [2021-06-06 15:31:58,008 INFO L462 AbstractCegarLoop]: Interpolant automaton has 58 states [2021-06-06 15:31:58,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:31:58,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-06-06 15:31:58,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=3162, Unknown=0, NotChecked=0, Total=3306 [2021-06-06 15:31:58,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:31:58,009 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:31:58,010 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 58 states, 58 states have (on average 1.1724137931034482) internal successors, (68), 58 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:31:58,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:31:58,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:31:58,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:31:58,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:31:58,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:31:58,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:31:58,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:31:58,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:31:58,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:31:58,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:31:58,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:31:58,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:31:58,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:31:58,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:31:58,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:31:58,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:31:58,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:31:58,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:31:58,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:31:58,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:31:58,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:31:58,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:31:58,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:31:58,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:31:58,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:31:58,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:31:58,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:31:58,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:31:58,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:31:58,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:31:58,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:31:58,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:31:58,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:31:58,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:31:58,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:31:58,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:31:58,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:31:58,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:31:58,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 15:31:58,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:32:01,596 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 104 [2021-06-06 15:32:02,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:32:02,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:32:02,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:32:02,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:32:02,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:32:02,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:32:02,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:32:02,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:32:02,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:32:02,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:32:02,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:32:02,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:32:02,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:32:02,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:32:02,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:32:02,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:32:02,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:32:02,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:32:02,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:32:02,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:32:02,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:32:02,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:32:02,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:32:02,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:32:02,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:32:02,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:32:02,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:32:02,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:32:02,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:32:02,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:32:02,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:32:02,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:32:02,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:32:02,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:32:02,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:32:02,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:32:02,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:32:02,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:32:02,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 15:32:02,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-06 15:32:02,967 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable434 [2021-06-06 15:32:02,967 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:32:02,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:32:02,968 INFO L82 PathProgramCache]: Analyzing trace with hash 579873724, now seen corresponding path program 38 times [2021-06-06 15:32:02,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:32:02,968 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053535848] [2021-06-06 15:32:02,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:32:02,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:32:03,678 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:32:03,678 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:32:03,678 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053535848] [2021-06-06 15:32:03,678 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053535848] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:32:03,678 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1900394844] [2021-06-06 15:32:03,679 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:32:03,744 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 15:32:03,744 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:32:03,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 62 conjunts are in the unsatisfiable core [2021-06-06 15:32:03,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:32:05,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 15:32:05,096 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:32:05,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 15:32:05,100 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:32:05,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 15:32:05,103 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 15:32:05,105 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:32:05,106 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:32:05,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 15:32:05,107 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 15:32:05,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 15:32:05,111 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 15:32:05,113 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:32:05,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 15:32:05,115 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 15:32:05,146 INFO L628 ElimStorePlain]: treesize reduction 40, result has 39.4 percent of original size [2021-06-06 15:32:05,147 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:32:05,148 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 15:32:05,148 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:119, output treesize:20 [2021-06-06 15:32:05,207 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:32:05,207 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1900394844] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:32:05,207 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:32:05,207 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 59 [2021-06-06 15:32:05,207 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844990266] [2021-06-06 15:32:05,207 INFO L462 AbstractCegarLoop]: Interpolant automaton has 59 states [2021-06-06 15:32:05,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:32:05,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-06-06 15:32:05,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=3278, Unknown=0, NotChecked=0, Total=3422 [2021-06-06 15:32:05,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:32:05,209 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:32:05,209 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 59 states, 59 states have (on average 1.1355932203389831) internal successors, (67), 59 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:32:05,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:32:05,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:32:05,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:32:05,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:32:05,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:32:05,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:32:05,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:32:05,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:32:05,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:32:05,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:32:05,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:32:05,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:32:05,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:32:05,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:32:05,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:32:05,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:32:05,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:32:05,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:32:05,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:32:05,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:32:05,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:32:05,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:32:05,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:32:05,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:32:05,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:32:05,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:32:05,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:32:05,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:32:05,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:32:05,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:32:05,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:32:05,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:32:05,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:32:05,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:32:05,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:32:05,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:32:05,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:32:05,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:32:05,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 15:32:05,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-06-06 15:32:05,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:32:08,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:32:08,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:32:08,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:32:08,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:32:08,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:32:08,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:32:08,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:32:08,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:32:08,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:32:08,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:32:08,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:32:08,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:32:08,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:32:08,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:32:08,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:32:08,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:32:08,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:32:08,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:32:08,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:32:08,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:32:08,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:32:08,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:32:08,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:32:08,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:32:08,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:32:08,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:32:08,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:32:08,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:32:08,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:32:08,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:32:08,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:32:08,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:32:08,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:32:08,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:32:08,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:32:08,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:32:08,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:32:08,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:32:08,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 15:32:08,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-06 15:32:08,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-06-06 15:32:09,062 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable476,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:32:09,062 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:32:09,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:32:09,063 INFO L82 PathProgramCache]: Analyzing trace with hash 1788862220, now seen corresponding path program 39 times [2021-06-06 15:32:09,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:32:09,063 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075013983] [2021-06-06 15:32:09,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:32:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:32:09,648 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:32:09,648 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:32:09,648 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075013983] [2021-06-06 15:32:09,648 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075013983] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:32:09,648 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [603124016] [2021-06-06 15:32:09,648 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:32:09,713 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-06-06 15:32:09,713 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:32:09,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 62 conjunts are in the unsatisfiable core [2021-06-06 15:32:09,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:32:10,972 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:32:10,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:32:10,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 15:32:10,974 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:32:10,977 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:32:10,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 15:32:10,978 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:32:11,002 INFO L628 ElimStorePlain]: treesize reduction 33, result has 35.3 percent of original size [2021-06-06 15:32:11,002 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:32:11,002 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:32:11,003 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:65, output treesize:12 [2021-06-06 15:32:11,052 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:32:11,052 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [603124016] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:32:11,052 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:32:11,052 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 59 [2021-06-06 15:32:11,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151521391] [2021-06-06 15:32:11,053 INFO L462 AbstractCegarLoop]: Interpolant automaton has 59 states [2021-06-06 15:32:11,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:32:11,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-06-06 15:32:11,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=3278, Unknown=0, NotChecked=0, Total=3422 [2021-06-06 15:32:11,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:32:11,054 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:32:11,054 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 59 states, 59 states have (on average 1.152542372881356) internal successors, (68), 59 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:32:11,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:32:11,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:32:11,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:32:11,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:32:11,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:32:11,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:32:11,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:32:11,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:32:11,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:32:11,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:32:11,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:32:11,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:32:11,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:32:11,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:32:11,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:32:11,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:32:11,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:32:11,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:32:11,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:32:11,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:32:11,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:32:11,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:32:11,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:32:11,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:32:11,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:32:11,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:32:11,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:32:11,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:32:11,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:32:11,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:32:11,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:32:11,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:32:11,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:32:11,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:32:11,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:32:11,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:32:11,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:32:11,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:32:11,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 15:32:11,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-06-06 15:32:11,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-06-06 15:32:11,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:32:12,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:32:12,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:32:12,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:32:12,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:32:12,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:32:12,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:32:12,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:32:12,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:32:12,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:32:12,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:32:12,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:32:12,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:32:12,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:32:12,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:32:12,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:32:12,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:32:12,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:32:12,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:32:12,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:32:12,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:32:12,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:32:12,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:32:12,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:32:12,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:32:12,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:32:12,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:32:12,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:32:12,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:32:12,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:32:12,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:32:12,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:32:12,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:32:12,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:32:12,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:32:12,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:32:12,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:32:12,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:32:12,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:32:12,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 15:32:12,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-06 15:32:12,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-06-06 15:32:12,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:32:12,956 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable483,42 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:32:12,956 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:32:12,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:32:12,957 INFO L82 PathProgramCache]: Analyzing trace with hash -380931034, now seen corresponding path program 40 times [2021-06-06 15:32:12,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:32:12,957 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91082437] [2021-06-06 15:32:12,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:32:12,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:32:15,207 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:32:15,207 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:32:15,207 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91082437] [2021-06-06 15:32:15,207 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91082437] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:32:15,207 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1478538340] [2021-06-06 15:32:15,207 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:32:15,271 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 15:32:15,271 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:32:15,273 WARN L261 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 173 conjunts are in the unsatisfiable core [2021-06-06 15:32:15,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:32:17,045 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-06-06 15:32:18,410 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-06-06 15:32:18,813 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-06-06 15:32:19,199 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-06-06 15:32:19,695 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-06-06 15:32:20,223 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-06-06 15:32:20,734 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-06-06 15:32:21,282 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-06-06 15:32:21,732 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-06-06 15:32:22,238 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-06-06 15:32:22,819 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-06-06 15:32:23,324 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-06-06 15:32:23,851 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-06-06 15:32:24,316 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-06-06 15:32:24,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,459 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:32:24,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:24,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 91 disjoint index pairs (out of 105 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 168 treesize of output 110 [2021-06-06 15:32:24,482 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:32:24,526 INFO L628 ElimStorePlain]: treesize reduction 375, result has 2.8 percent of original size [2021-06-06 15:32:24,526 INFO L518 ElimStorePlain]: Eliminatee v_prenex_150 vanished before elimination [2021-06-06 15:32:24,526 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:32:24,527 INFO L518 ElimStorePlain]: Eliminatee v_prenex_149 vanished before elimination [2021-06-06 15:32:24,527 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:32:24,527 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:536, output treesize:11 [2021-06-06 15:32:24,610 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:32:24,610 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1478538340] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:32:24,610 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:32:24,610 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 32] total 62 [2021-06-06 15:32:24,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315393875] [2021-06-06 15:32:24,610 INFO L462 AbstractCegarLoop]: Interpolant automaton has 62 states [2021-06-06 15:32:24,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:32:24,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2021-06-06 15:32:24,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=3628, Unknown=0, NotChecked=0, Total=3782 [2021-06-06 15:32:24,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:32:24,611 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:32:24,612 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 62 states, 62 states have (on average 1.1612903225806452) internal successors, (72), 62 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:32:24,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:32:24,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:32:24,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:32:24,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:32:24,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:32:24,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:32:24,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:32:24,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:32:24,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:32:24,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:32:24,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:32:24,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:32:24,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:32:24,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:32:24,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:32:24,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:32:24,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:32:24,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:32:24,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:32:24,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:32:24,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:32:24,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:32:24,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:32:24,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:32:24,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:32:24,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:32:24,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:32:24,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:32:24,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:32:24,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:32:24,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:32:24,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:32:24,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:32:24,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:32:24,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:32:24,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:32:24,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:32:24,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:32:24,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 15:32:24,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-06-06 15:32:24,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-06-06 15:32:24,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:32:24,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:32:27,867 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2021-06-06 15:32:28,213 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2021-06-06 15:32:28,579 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 97 [2021-06-06 15:32:29,139 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 107 [2021-06-06 15:32:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:32:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:32:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:32:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:32:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:32:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:32:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:32:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:32:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:32:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:32:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:32:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:32:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:32:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:32:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:32:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:32:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:32:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:32:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:32:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:32:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:32:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:32:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:32:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:32:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:32:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:32:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:32:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:32:30,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:32:30,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:32:30,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:32:30,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:32:30,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:32:30,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:32:30,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:32:30,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:32:30,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:32:30,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:32:30,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 15:32:30,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-06 15:32:30,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-06-06 15:32:30,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:32:30,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:32:31,016 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable486 [2021-06-06 15:32:31,016 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:32:31,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:32:31,016 INFO L82 PathProgramCache]: Analyzing trace with hash 1074954828, now seen corresponding path program 41 times [2021-06-06 15:32:31,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:32:31,016 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933453535] [2021-06-06 15:32:31,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:32:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:32:31,826 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 15 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:32:31,827 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:32:31,827 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933453535] [2021-06-06 15:32:31,827 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933453535] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:32:31,827 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709698788] [2021-06-06 15:32:31,827 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:32:31,888 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-06-06 15:32:31,888 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:32:31,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 66 conjunts are in the unsatisfiable core [2021-06-06 15:32:31,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:32:33,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 15:32:33,457 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:32:33,459 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:32:33,460 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:32:33,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 15:32:33,461 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:32:33,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 15:32:33,464 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 15:32:33,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 15:32:33,468 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 15:32:33,470 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:32:33,471 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:32:33,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 15:32:33,472 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 15:32:33,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 15:32:33,475 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 15:32:33,507 INFO L628 ElimStorePlain]: treesize reduction 40, result has 39.4 percent of original size [2021-06-06 15:32:33,507 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:32:33,508 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 15:32:33,508 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:119, output treesize:20 [2021-06-06 15:32:33,570 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 15 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:32:33,570 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1709698788] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:32:33,570 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:32:33,570 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 63 [2021-06-06 15:32:33,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402886898] [2021-06-06 15:32:33,571 INFO L462 AbstractCegarLoop]: Interpolant automaton has 63 states [2021-06-06 15:32:33,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:32:33,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-06-06 15:32:33,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=3752, Unknown=0, NotChecked=0, Total=3906 [2021-06-06 15:32:33,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:32:33,572 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:32:33,572 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 63 states, 63 states have (on average 1.126984126984127) internal successors, (71), 63 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:32:33,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:32:33,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:32:33,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:32:33,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:32:33,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:32:33,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:32:33,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:32:33,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:32:33,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:32:33,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:32:33,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:32:33,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:32:33,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:32:33,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:32:33,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:32:33,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:32:33,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:32:33,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:32:33,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:32:33,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:32:33,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:32:33,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:32:33,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:32:33,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:32:33,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:32:33,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:32:33,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:32:33,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:32:33,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:32:33,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:32:33,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:32:33,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:32:33,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:32:33,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:32:33,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:32:33,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:32:33,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:32:33,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:32:33,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 15:32:33,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-06-06 15:32:33,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-06-06 15:32:33,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:32:33,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:32:33,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:32:37,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:32:37,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:32:37,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:32:37,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:32:37,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:32:37,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:32:37,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:32:37,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:32:37,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:32:37,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:32:37,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:32:37,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:32:37,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:32:37,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:32:37,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:32:37,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:32:37,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:32:37,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:32:37,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:32:37,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:32:37,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:32:37,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:32:37,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:32:37,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:32:37,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:32:37,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:32:37,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:32:37,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:32:37,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:32:37,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:32:37,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:32:37,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:32:37,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:32:37,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:32:37,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:32:37,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:32:37,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:32:37,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:32:37,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 15:32:37,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-06 15:32:37,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-06-06 15:32:37,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:32:37,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:32:37,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-06-06 15:32:38,118 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable530 [2021-06-06 15:32:38,118 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:32:38,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:32:38,118 INFO L82 PathProgramCache]: Analyzing trace with hash -101107460, now seen corresponding path program 42 times [2021-06-06 15:32:38,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:32:38,119 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575734092] [2021-06-06 15:32:38,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:32:38,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:32:38,889 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:32:38,889 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:32:38,889 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575734092] [2021-06-06 15:32:38,889 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575734092] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:32:38,889 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [916922289] [2021-06-06 15:32:38,889 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:32:38,957 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-06-06 15:32:38,957 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:32:38,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 66 conjunts are in the unsatisfiable core [2021-06-06 15:32:38,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:32:40,377 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:32:40,377 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:32:40,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 15:32:40,378 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:32:40,381 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:32:40,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 15:32:40,382 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:32:40,406 INFO L628 ElimStorePlain]: treesize reduction 33, result has 35.3 percent of original size [2021-06-06 15:32:40,406 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:32:40,406 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:32:40,407 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:65, output treesize:12 [2021-06-06 15:32:40,458 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:32:40,458 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [916922289] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:32:40,458 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:32:40,458 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 63 [2021-06-06 15:32:40,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926344018] [2021-06-06 15:32:40,458 INFO L462 AbstractCegarLoop]: Interpolant automaton has 63 states [2021-06-06 15:32:40,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:32:40,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-06-06 15:32:40,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=3752, Unknown=0, NotChecked=0, Total=3906 [2021-06-06 15:32:40,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:32:40,459 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:32:40,460 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 63 states, 63 states have (on average 1.1428571428571428) internal successors, (72), 63 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:32:40,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:32:40,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:32:40,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:32:40,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:32:40,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:32:40,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:32:40,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:32:40,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:32:40,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:32:40,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:32:40,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:32:40,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:32:40,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:32:40,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:32:40,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:32:40,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:32:40,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:32:40,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:32:40,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:32:40,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:32:40,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:32:40,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:32:40,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:32:40,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:32:40,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:32:40,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:32:40,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:32:40,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:32:40,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:32:40,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:32:40,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:32:40,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:32:40,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:32:40,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:32:40,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:32:40,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:32:40,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:32:40,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:32:40,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 15:32:40,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-06-06 15:32:40,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-06-06 15:32:40,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:32:40,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:32:40,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-06-06 15:32:40,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:32:42,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:32:42,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:32:42,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:32:42,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:32:42,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:32:42,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:32:42,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:32:42,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:32:42,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:32:42,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:32:42,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:32:42,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:32:42,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:32:42,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:32:42,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:32:42,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:32:42,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:32:42,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:32:42,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:32:42,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:32:42,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:32:42,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:32:42,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:32:42,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:32:42,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:32:42,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:32:42,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:32:42,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:32:42,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:32:42,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:32:42,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:32:42,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:32:42,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:32:42,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:32:42,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:32:42,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:32:42,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:32:42,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:32:42,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 15:32:42,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-06 15:32:42,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-06-06 15:32:42,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:32:42,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:32:42,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-06-06 15:32:42,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-06 15:32:43,105 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable537 [2021-06-06 15:32:43,106 INFO L430 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:32:43,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:32:43,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1159551030, now seen corresponding path program 43 times [2021-06-06 15:32:43,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:32:43,106 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611012553] [2021-06-06 15:32:43,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:32:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:32:44,845 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:32:44,846 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:32:44,846 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611012553] [2021-06-06 15:32:44,846 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611012553] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:32:44,846 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [498156379] [2021-06-06 15:32:44,846 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:32:44,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:32:44,905 WARN L261 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 185 conjunts are in the unsatisfiable core [2021-06-06 15:32:44,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:32:46,909 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-06-06 15:32:48,102 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-06-06 15:32:48,653 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-06-06 15:32:49,115 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-06-06 15:32:49,547 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-06-06 15:32:50,165 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-06-06 15:32:50,809 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-06-06 15:32:51,330 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-06-06 15:32:51,888 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-06-06 15:32:52,408 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-06-06 15:32:52,963 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-06-06 15:32:53,517 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-06-06 15:32:54,021 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-06-06 15:32:54,590 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-06-06 15:32:55,089 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-06-06 15:32:55,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,224 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:32:55,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:32:55,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 105 disjoint index pairs (out of 120 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 117 [2021-06-06 15:32:55,271 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:32:55,330 INFO L628 ElimStorePlain]: treesize reduction 397, result has 2.7 percent of original size [2021-06-06 15:32:55,331 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-06-06 15:32:55,331 INFO L518 ElimStorePlain]: Eliminatee v_prenex_171 vanished before elimination [2021-06-06 15:32:55,331 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:32:55,331 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:32:55,331 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:569, output treesize:11 [2021-06-06 15:32:55,447 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:32:55,448 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [498156379] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:32:55,448 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:32:55,448 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 34] total 66 [2021-06-06 15:32:55,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256983998] [2021-06-06 15:32:55,448 INFO L462 AbstractCegarLoop]: Interpolant automaton has 66 states [2021-06-06 15:32:55,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:32:55,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-06-06 15:32:55,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=4111, Unknown=0, NotChecked=0, Total=4290 [2021-06-06 15:32:55,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:32:55,449 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:32:55,449 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 66 states, 66 states have (on average 1.1515151515151516) internal successors, (76), 66 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:32:55,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:32:55,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:32:55,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:32:55,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:32:55,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:32:55,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:32:55,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:32:55,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:32:55,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:32:55,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:32:55,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:32:55,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:32:55,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:32:55,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:32:55,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:32:55,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:32:55,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:32:55,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:32:55,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:32:55,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:32:55,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:32:55,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:32:55,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:32:55,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:32:55,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:32:55,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:32:55,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:32:55,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:32:55,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:32:55,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:32:55,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:32:55,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:32:55,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:32:55,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:32:55,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:32:55,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:32:55,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:32:55,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:32:55,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 15:32:55,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-06-06 15:32:55,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-06-06 15:32:55,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:32:55,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:32:55,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-06-06 15:32:55,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-06 15:32:55,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:32:58,953 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2021-06-06 15:33:00,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:33:00,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:33:00,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:33:00,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:33:00,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:33:00,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:33:00,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:33:00,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:33:00,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:33:00,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:33:00,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:33:00,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:33:00,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:33:00,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:33:00,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:33:00,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:33:00,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:33:00,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:33:00,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:33:00,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:33:00,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:33:00,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:33:00,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:33:00,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:33:00,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:33:00,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:33:00,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:33:00,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:33:00,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:33:00,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:33:00,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:33:00,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:33:00,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:33:00,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:33:00,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:33:00,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:33:00,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:33:00,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:33:00,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 15:33:00,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-06 15:33:00,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-06-06 15:33:00,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:33:00,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:33:00,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-06-06 15:33:00,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-06 15:33:00,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:33:00,869 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable540 [2021-06-06 15:33:00,869 INFO L430 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:33:00,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:33:00,869 INFO L82 PathProgramCache]: Analyzing trace with hash 1585258556, now seen corresponding path program 44 times [2021-06-06 15:33:00,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:33:00,869 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012243476] [2021-06-06 15:33:00,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:33:00,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:33:01,652 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:33:01,652 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:33:01,652 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012243476] [2021-06-06 15:33:01,652 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012243476] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:33:01,652 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433795362] [2021-06-06 15:33:01,652 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:33:01,705 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 15:33:01,706 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:33:01,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 70 conjunts are in the unsatisfiable core [2021-06-06 15:33:01,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:33:03,418 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:33:03,418 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:33:03,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 15:33:03,420 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:33:03,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 15:33:03,423 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:33:03,426 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:33:03,426 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:33:03,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 15:33:03,427 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 15:33:03,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 15:33:03,430 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 15:33:03,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 15:33:03,433 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 15:33:03,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 15:33:03,436 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 15:33:03,468 INFO L628 ElimStorePlain]: treesize reduction 40, result has 39.4 percent of original size [2021-06-06 15:33:03,469 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:33:03,470 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 15:33:03,470 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:119, output treesize:20 [2021-06-06 15:33:03,534 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:33:03,535 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1433795362] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:33:03,535 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:33:03,535 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 67 [2021-06-06 15:33:03,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691111915] [2021-06-06 15:33:03,535 INFO L462 AbstractCegarLoop]: Interpolant automaton has 67 states [2021-06-06 15:33:03,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:33:03,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-06-06 15:33:03,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=4258, Unknown=0, NotChecked=0, Total=4422 [2021-06-06 15:33:03,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:33:03,536 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:33:03,536 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 67 states, 67 states have (on average 1.1194029850746268) internal successors, (75), 67 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:33:03,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:33:03,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:33:03,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:33:03,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:33:03,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:33:03,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:33:03,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:33:03,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:33:03,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:33:03,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:33:03,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:33:03,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:33:03,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:33:03,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:33:03,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:33:03,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:33:03,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:33:03,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:33:03,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:33:03,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:33:03,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:33:03,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:33:03,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:33:03,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:33:03,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:33:03,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:33:03,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:33:03,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:33:03,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:33:03,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:33:03,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:33:03,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:33:03,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:33:03,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:33:03,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:33:03,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:33:03,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:33:03,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:33:03,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 15:33:03,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-06-06 15:33:03,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-06-06 15:33:03,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:33:03,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:33:03,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-06-06 15:33:03,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-06 15:33:03,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:33:03,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:33:07,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:33:07,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:33:07,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:33:07,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:33:07,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:33:07,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:33:07,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:33:07,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:33:07,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:33:07,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:33:07,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:33:07,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:33:07,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:33:07,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:33:07,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:33:07,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:33:07,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:33:07,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:33:07,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:33:07,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:33:07,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:33:07,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:33:07,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:33:07,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:33:07,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:33:07,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:33:07,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:33:07,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:33:07,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:33:07,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:33:07,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:33:07,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:33:07,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:33:07,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:33:07,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:33:07,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:33:07,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:33:07,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:33:07,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 15:33:07,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-06 15:33:07,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-06-06 15:33:07,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:33:07,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:33:07,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-06-06 15:33:07,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-06 15:33:07,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:33:07,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-06-06 15:33:08,132 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable585 [2021-06-06 15:33:08,132 INFO L430 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:33:08,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:33:08,132 INFO L82 PathProgramCache]: Analyzing trace with hash -512934004, now seen corresponding path program 45 times [2021-06-06 15:33:08,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:33:08,133 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988296211] [2021-06-06 15:33:08,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:33:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:33:09,016 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:33:09,016 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:33:09,016 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988296211] [2021-06-06 15:33:09,016 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988296211] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:33:09,016 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [439197431] [2021-06-06 15:33:09,017 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:33:09,082 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-06-06 15:33:09,082 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:33:09,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 72 conjunts are in the unsatisfiable core [2021-06-06 15:33:09,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:33:10,772 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:33:10,773 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:33:10,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-06-06 15:33:10,774 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:33:10,776 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:33:10,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-06-06 15:33:10,777 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:33:10,800 INFO L628 ElimStorePlain]: treesize reduction 41, result has 34.9 percent of original size [2021-06-06 15:33:10,800 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:33:10,801 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:33:10,801 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:81, output treesize:12 [2021-06-06 15:33:10,857 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:33:10,857 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [439197431] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:33:10,857 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:33:10,857 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 67 [2021-06-06 15:33:10,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879482343] [2021-06-06 15:33:10,857 INFO L462 AbstractCegarLoop]: Interpolant automaton has 67 states [2021-06-06 15:33:10,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:33:10,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-06-06 15:33:10,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=4258, Unknown=0, NotChecked=0, Total=4422 [2021-06-06 15:33:10,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:33:10,858 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:33:10,858 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 67 states, 67 states have (on average 1.1343283582089552) internal successors, (76), 67 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:33:10,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:33:10,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:33:10,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:33:10,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:33:10,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:33:10,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:33:10,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:33:10,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:33:10,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:33:10,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:33:10,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:33:10,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:33:10,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:33:10,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:33:10,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:33:10,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:33:10,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:33:10,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:33:10,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:33:10,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:33:10,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:33:10,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:33:10,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:33:10,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:33:10,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:33:10,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:33:10,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:33:10,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:33:10,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:33:10,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:33:10,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:33:10,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:33:10,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:33:10,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:33:10,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:33:10,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:33:10,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:33:10,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:33:10,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 15:33:10,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-06-06 15:33:10,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-06-06 15:33:10,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:33:10,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:33:10,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-06-06 15:33:10,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-06 15:33:10,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:33:10,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-06-06 15:33:10,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:33:13,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:33:13,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:33:13,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:33:13,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:33:13,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:33:13,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:33:13,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:33:13,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:33:13,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:33:13,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:33:13,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:33:13,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:33:13,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:33:13,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:33:13,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:33:13,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:33:13,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:33:13,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:33:13,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:33:13,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:33:13,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:33:13,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:33:13,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:33:13,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:33:13,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:33:13,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:33:13,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:33:13,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:33:13,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:33:13,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:33:13,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:33:13,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:33:13,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:33:13,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:33:13,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:33:13,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:33:13,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:33:13,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:33:13,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 15:33:13,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-06 15:33:13,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-06-06 15:33:13,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:33:13,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:33:13,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-06-06 15:33:13,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-06 15:33:13,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:33:13,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-06-06 15:33:13,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 15:33:13,660 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable592,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:33:13,661 INFO L430 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:33:13,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:33:13,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1277830054, now seen corresponding path program 46 times [2021-06-06 15:33:13,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:33:13,661 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109475758] [2021-06-06 15:33:13,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:33:13,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:33:16,607 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:33:16,608 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:33:16,608 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109475758] [2021-06-06 15:33:16,608 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109475758] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:33:16,608 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1890706327] [2021-06-06 15:33:16,608 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:33:16,664 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 15:33:16,664 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:33:16,666 WARN L261 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 197 conjunts are in the unsatisfiable core [2021-06-06 15:33:16,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:33:19,302 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-06-06 15:33:20,752 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-06-06 15:33:21,446 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-06-06 15:33:22,194 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-06-06 15:33:22,726 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-06-06 15:33:23,361 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-06-06 15:33:23,955 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-06-06 15:33:24,619 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-06-06 15:33:25,300 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-06-06 15:33:25,911 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-06-06 15:33:26,545 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-06-06 15:33:27,204 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-06-06 15:33:27,852 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-06-06 15:33:28,616 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-06-06 15:33:29,313 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-06-06 15:33:30,110 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-06-06 15:33:30,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,296 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:33:30,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:33:30,405 INFO L244 Elim1Store]: Index analysis took 180 ms [2021-06-06 15:33:30,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 120 disjoint index pairs (out of 136 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 126 [2021-06-06 15:33:30,412 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:33:30,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,489 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:33:30,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:33:30,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 120 disjoint index pairs (out of 136 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 190 treesize of output 124 [2021-06-06 15:33:30,512 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:33:30,527 INFO L628 ElimStorePlain]: treesize reduction 248, result has 4.2 percent of original size [2021-06-06 15:33:30,527 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-06-06 15:33:30,527 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:33:30,527 INFO L518 ElimStorePlain]: Eliminatee v_prenex_189 vanished before elimination [2021-06-06 15:33:30,527 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:33:30,528 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:602, output treesize:11 [2021-06-06 15:33:30,668 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:33:30,668 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1890706327] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:33:30,668 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:33:30,668 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 36] total 70 [2021-06-06 15:33:30,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867052166] [2021-06-06 15:33:30,668 INFO L462 AbstractCegarLoop]: Interpolant automaton has 70 states [2021-06-06 15:33:30,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:33:30,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2021-06-06 15:33:30,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=4688, Unknown=0, NotChecked=0, Total=4830 [2021-06-06 15:33:30,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:33:30,669 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:33:30,669 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 70 states, 70 states have (on average 1.1428571428571428) internal successors, (80), 70 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:33:30,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:33:30,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:33:30,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:33:30,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:33:30,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:33:30,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:33:30,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:33:30,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:33:30,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:33:30,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:33:30,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:33:30,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:33:30,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:33:30,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:33:30,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:33:30,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:33:30,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:33:30,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:33:30,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:33:30,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:33:30,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:33:30,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:33:30,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:33:30,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:33:30,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:33:30,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:33:30,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:33:30,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:33:30,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:33:30,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:33:30,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:33:30,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:33:30,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:33:30,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:33:30,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:33:30,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:33:30,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:33:30,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:33:30,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 15:33:30,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-06-06 15:33:30,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-06-06 15:33:30,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:33:30,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:33:30,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-06-06 15:33:30,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-06 15:33:30,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:33:30,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-06-06 15:33:30,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 15:33:30,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:33:36,171 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 93 [2021-06-06 15:33:36,700 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 97 [2021-06-06 15:33:37,235 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 100 [2021-06-06 15:33:37,800 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 108 [2021-06-06 15:33:38,623 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 120 [2021-06-06 15:33:39,512 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 130 [2021-06-06 15:33:40,598 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 187 [2021-06-06 15:33:41,339 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 189 [2021-06-06 15:33:42,116 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 189 [2021-06-06 15:33:42,810 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 189 [2021-06-06 15:33:43,602 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 189 [2021-06-06 15:33:44,343 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 189 [2021-06-06 15:33:45,077 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 189 [2021-06-06 15:33:45,775 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 188 [2021-06-06 15:33:46,485 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 189 [2021-06-06 15:33:47,228 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 189 [2021-06-06 15:33:47,886 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 189 [2021-06-06 15:33:48,611 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 189 [2021-06-06 15:33:49,948 WARN L205 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 189 [2021-06-06 15:33:50,688 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 189 [2021-06-06 15:33:51,419 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 187 [2021-06-06 15:33:51,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:33:51,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:33:51,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:33:51,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:33:51,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:33:51,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:33:51,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:33:51,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:33:51,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:33:51,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:33:51,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:33:51,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:33:51,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:33:51,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:33:51,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:33:51,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:33:51,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:33:51,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:33:51,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:33:51,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:33:51,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:33:51,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:33:51,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:33:51,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:33:51,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:33:51,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:33:51,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:33:51,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:33:51,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:33:51,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:33:51,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:33:51,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:33:51,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:33:51,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:33:51,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:33:51,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:33:51,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:33:51,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:33:51,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 15:33:51,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-06 15:33:51,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-06-06 15:33:51,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:33:51,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:33:51,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-06-06 15:33:51,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-06 15:33:51,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:33:51,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-06-06 15:33:51,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 15:33:51,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:33:51,801 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable595 [2021-06-06 15:33:51,802 INFO L430 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:33:51,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:33:51,802 INFO L82 PathProgramCache]: Analyzing trace with hash 956941004, now seen corresponding path program 47 times [2021-06-06 15:33:51,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:33:51,802 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864712150] [2021-06-06 15:33:51,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:33:51,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:33:52,656 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 17 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:33:52,656 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:33:52,656 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864712150] [2021-06-06 15:33:52,656 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864712150] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:33:52,656 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2021534082] [2021-06-06 15:33:52,656 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:33:52,722 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2021-06-06 15:33:52,723 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:33:52,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 74 conjunts are in the unsatisfiable core [2021-06-06 15:33:52,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:33:54,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 15:33:54,704 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:33:54,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 15:33:54,708 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:33:54,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 15:33:54,711 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 15:33:54,713 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:33:54,714 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:33:54,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 15:33:54,715 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 15:33:54,717 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:33:54,718 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:33:54,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 15:33:54,720 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 15:33:54,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 15:33:54,724 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 15:33:54,757 INFO L628 ElimStorePlain]: treesize reduction 40, result has 39.4 percent of original size [2021-06-06 15:33:54,757 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:33:54,758 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 15:33:54,758 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:119, output treesize:20 [2021-06-06 15:33:54,826 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 17 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:33:54,827 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2021534082] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:33:54,827 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:33:54,827 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 71 [2021-06-06 15:33:54,827 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473088934] [2021-06-06 15:33:54,827 INFO L462 AbstractCegarLoop]: Interpolant automaton has 71 states [2021-06-06 15:33:54,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:33:54,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2021-06-06 15:33:54,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=4796, Unknown=0, NotChecked=0, Total=4970 [2021-06-06 15:33:54,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:33:54,828 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:33:54,828 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 71 states, 71 states have (on average 1.1126760563380282) internal successors, (79), 71 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:33:54,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:33:54,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:33:54,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:33:54,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:33:54,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:33:54,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:33:54,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:33:54,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:33:54,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:33:54,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:33:54,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:33:54,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:33:54,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:33:54,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:33:54,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:33:54,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:33:54,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:33:54,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:33:54,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:33:54,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:33:54,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:33:54,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:33:54,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:33:54,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:33:54,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:33:54,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:33:54,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:33:54,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:33:54,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:33:54,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:33:54,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:33:54,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:33:54,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:33:54,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:33:54,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:33:54,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:33:54,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:33:54,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:33:54,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 15:33:54,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-06-06 15:33:54,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-06-06 15:33:54,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:33:54,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:33:54,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-06-06 15:33:54,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-06 15:33:54,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:33:54,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-06-06 15:33:54,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 15:33:54,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:33:54,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:33:59,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:33:59,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:33:59,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:33:59,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:33:59,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:33:59,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:33:59,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:33:59,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:33:59,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:33:59,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:33:59,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:33:59,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:33:59,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:33:59,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:33:59,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:33:59,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:33:59,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:33:59,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:33:59,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:33:59,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:33:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:33:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:33:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:33:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:33:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:33:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:33:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:33:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:33:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:33:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:33:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:33:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:33:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:33:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:33:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:33:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:33:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:33:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:33:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 15:33:59,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-06 15:33:59,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-06-06 15:33:59,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:33:59,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:33:59,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-06-06 15:33:59,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-06 15:33:59,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:33:59,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-06-06 15:33:59,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 15:33:59,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:33:59,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-06-06 15:33:59,550 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable644 [2021-06-06 15:33:59,551 INFO L430 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:33:59,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:33:59,551 INFO L82 PathProgramCache]: Analyzing trace with hash 337481084, now seen corresponding path program 48 times [2021-06-06 15:33:59,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:33:59,551 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415957732] [2021-06-06 15:33:59,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:33:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:34:00,359 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:34:00,359 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:34:00,359 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415957732] [2021-06-06 15:34:00,359 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415957732] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:34:00,360 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [159788065] [2021-06-06 15:34:00,360 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:34:00,428 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-06-06 15:34:00,428 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:34:00,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 74 conjunts are in the unsatisfiable core [2021-06-06 15:34:00,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:34:02,260 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:34:02,260 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:34:02,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 15:34:02,262 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:34:02,264 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:34:02,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 15:34:02,265 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:34:02,291 INFO L628 ElimStorePlain]: treesize reduction 33, result has 35.3 percent of original size [2021-06-06 15:34:02,291 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:34:02,292 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:34:02,292 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:65, output treesize:12 [2021-06-06 15:34:02,351 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:34:02,352 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [159788065] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:34:02,352 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:34:02,352 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 71 [2021-06-06 15:34:02,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597514296] [2021-06-06 15:34:02,352 INFO L462 AbstractCegarLoop]: Interpolant automaton has 71 states [2021-06-06 15:34:02,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:34:02,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2021-06-06 15:34:02,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=4796, Unknown=0, NotChecked=0, Total=4970 [2021-06-06 15:34:02,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:34:02,353 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:34:02,353 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 71 states, 71 states have (on average 1.1267605633802817) internal successors, (80), 71 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:34:02,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:34:02,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:34:02,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:34:02,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:34:02,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:34:02,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:34:02,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:34:02,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:34:02,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:34:02,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:34:02,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:34:02,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:34:02,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:34:02,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:34:02,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:34:02,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:34:02,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:34:02,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:34:02,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:34:02,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:34:02,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:34:02,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:34:02,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:34:02,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:34:02,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:34:02,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:34:02,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:34:02,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:34:02,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:34:02,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:34:02,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:34:02,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:34:02,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:34:02,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:34:02,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:34:02,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:34:02,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:34:02,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:34:02,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 15:34:02,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-06-06 15:34:02,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-06-06 15:34:02,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:34:02,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:34:02,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-06-06 15:34:02,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-06 15:34:02,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:34:02,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-06-06 15:34:02,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 15:34:02,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:34:02,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2021-06-06 15:34:02,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:34:04,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:34:04,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:34:04,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:34:04,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:34:04,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:34:04,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:34:04,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:34:04,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:34:04,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:34:04,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:34:04,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:34:04,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:34:04,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:34:04,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:34:04,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:34:04,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:34:04,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:34:04,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:34:04,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:34:04,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:34:04,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:34:04,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:34:04,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:34:04,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:34:04,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:34:04,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:34:04,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:34:04,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:34:04,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:34:04,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:34:04,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:34:04,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:34:04,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:34:04,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:34:04,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:34:04,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:34:04,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:34:04,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:34:04,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 15:34:04,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-06 15:34:04,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-06-06 15:34:04,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:34:04,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:34:04,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-06-06 15:34:04,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-06 15:34:04,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:34:04,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-06-06 15:34:04,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 15:34:04,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:34:04,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-06-06 15:34:04,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-06 15:34:04,694 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable651 [2021-06-06 15:34:04,694 INFO L430 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:34:04,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:34:04,694 INFO L82 PathProgramCache]: Analyzing trace with hash 1870894006, now seen corresponding path program 49 times [2021-06-06 15:34:04,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:34:04,694 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42394789] [2021-06-06 15:34:04,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:34:04,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:34:07,040 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:34:07,040 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:34:07,040 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42394789] [2021-06-06 15:34:07,040 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42394789] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:34:07,040 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [854403549] [2021-06-06 15:34:07,040 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:34:07,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:34:07,103 WARN L261 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 209 conjunts are in the unsatisfiable core [2021-06-06 15:34:07,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:34:09,733 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-06-06 15:34:11,106 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-06-06 15:34:11,750 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-06-06 15:34:12,351 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-06-06 15:34:13,053 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-06-06 15:34:13,667 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-06-06 15:34:14,285 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-06-06 15:34:15,194 WARN L205 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-06-06 15:34:15,840 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-06-06 15:34:16,398 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-06-06 15:34:17,065 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-06-06 15:34:17,733 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-06-06 15:34:18,544 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-06-06 15:34:19,343 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-06-06 15:34:20,004 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-06-06 15:34:20,831 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-06-06 15:34:21,585 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-06-06 15:34:21,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,762 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:34:21,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:34:21,790 INFO L244 Elim1Store]: Index analysis took 119 ms [2021-06-06 15:34:21,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 136 disjoint index pairs (out of 153 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 201 treesize of output 131 [2021-06-06 15:34:21,797 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:34:21,847 INFO L628 ElimStorePlain]: treesize reduction 441, result has 2.4 percent of original size [2021-06-06 15:34:21,847 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:34:21,847 INFO L518 ElimStorePlain]: Eliminatee v_prenex_210 vanished before elimination [2021-06-06 15:34:21,847 INFO L518 ElimStorePlain]: Eliminatee v_prenex_211 vanished before elimination [2021-06-06 15:34:21,848 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:34:21,848 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:635, output treesize:11 [2021-06-06 15:34:21,953 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:34:21,953 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [854403549] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:34:21,953 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:34:21,953 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 38] total 74 [2021-06-06 15:34:21,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194877859] [2021-06-06 15:34:21,953 INFO L462 AbstractCegarLoop]: Interpolant automaton has 74 states [2021-06-06 15:34:21,953 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:34:21,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2021-06-06 15:34:21,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=5218, Unknown=0, NotChecked=0, Total=5402 [2021-06-06 15:34:21,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:34:21,954 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:34:21,954 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 74 states, 74 states have (on average 1.135135135135135) internal successors, (84), 74 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:34:21,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:34:21,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:34:21,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:34:21,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:34:21,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:34:21,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:34:21,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:34:21,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:34:21,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:34:21,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:34:21,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:34:21,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:34:21,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:34:21,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:34:21,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:34:21,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:34:21,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:34:21,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:34:21,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:34:21,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:34:21,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:34:21,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:34:21,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:34:21,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:34:21,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:34:21,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:34:21,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:34:21,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:34:21,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:34:21,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:34:21,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:34:21,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:34:21,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:34:21,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:34:21,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:34:21,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:34:21,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:34:21,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:34:21,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 15:34:21,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-06-06 15:34:21,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-06-06 15:34:21,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:34:21,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:34:21,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-06-06 15:34:21,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-06 15:34:21,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:34:21,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-06-06 15:34:21,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 15:34:21,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:34:21,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2021-06-06 15:34:21,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-06 15:34:21,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:34:26,853 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2021-06-06 15:34:27,312 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2021-06-06 15:34:27,794 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 101 [2021-06-06 15:34:28,290 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 106 [2021-06-06 15:34:28,869 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 109 [2021-06-06 15:34:29,583 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 123 [2021-06-06 15:34:32,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:34:32,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:34:32,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:34:32,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:34:32,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:34:32,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:34:32,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:34:32,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:34:32,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:34:32,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:34:32,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:34:32,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:34:32,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:34:32,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:34:32,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:34:32,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:34:32,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:34:32,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:34:32,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:34:32,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:34:32,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:34:32,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:34:32,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:34:32,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:34:32,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:34:32,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:34:32,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:34:32,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:34:32,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:34:32,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:34:32,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:34:32,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:34:32,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:34:32,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:34:32,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:34:32,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:34:32,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:34:32,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:34:32,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 15:34:32,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-06 15:34:32,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-06-06 15:34:32,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:34:32,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:34:32,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-06-06 15:34:32,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-06 15:34:32,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:34:32,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-06-06 15:34:32,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 15:34:32,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:34:32,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-06-06 15:34:32,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-06 15:34:32,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-06-06 15:34:32,752 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable654 [2021-06-06 15:34:32,753 INFO L430 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:34:32,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:34:32,753 INFO L82 PathProgramCache]: Analyzing trace with hash -2132912964, now seen corresponding path program 50 times [2021-06-06 15:34:32,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:34:32,753 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150254061] [2021-06-06 15:34:32,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:34:32,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:34:33,697 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 18 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:34:33,698 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:34:33,698 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150254061] [2021-06-06 15:34:33,698 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150254061] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:34:33,698 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [533129021] [2021-06-06 15:34:33,698 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:34:33,754 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 15:34:33,755 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:34:33,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 78 conjunts are in the unsatisfiable core [2021-06-06 15:34:33,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:34:35,944 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:34:35,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:34:35,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 15:34:35,946 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:34:35,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 15:34:35,949 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:34:35,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 15:34:35,953 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 15:34:35,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 15:34:35,956 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 15:34:35,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 15:34:35,970 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 15:34:35,974 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:34:35,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 15:34:35,976 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 15:34:36,009 INFO L628 ElimStorePlain]: treesize reduction 40, result has 39.4 percent of original size [2021-06-06 15:34:36,009 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:34:36,010 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 15:34:36,010 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:119, output treesize:20 [2021-06-06 15:34:36,083 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 18 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:34:36,083 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [533129021] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:34:36,083 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:34:36,083 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39] total 75 [2021-06-06 15:34:36,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145772587] [2021-06-06 15:34:36,084 INFO L462 AbstractCegarLoop]: Interpolant automaton has 75 states [2021-06-06 15:34:36,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:34:36,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2021-06-06 15:34:36,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=5366, Unknown=0, NotChecked=0, Total=5550 [2021-06-06 15:34:36,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:34:36,085 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:34:36,085 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 75 states, 75 states have (on average 1.1066666666666667) internal successors, (83), 75 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:34:36,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:34:36,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:34:36,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:34:36,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:34:36,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:34:36,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:34:36,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:34:36,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:34:36,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:34:36,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:34:36,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:34:36,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:34:36,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:34:36,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:34:36,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:34:36,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:34:36,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:34:36,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:34:36,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:34:36,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:34:36,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:34:36,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:34:36,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:34:36,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:34:36,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:34:36,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:34:36,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:34:36,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:34:36,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:34:36,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:34:36,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:34:36,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:34:36,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:34:36,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:34:36,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:34:36,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:34:36,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:34:36,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:34:36,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 15:34:36,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-06-06 15:34:36,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-06-06 15:34:36,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:34:36,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:34:36,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-06-06 15:34:36,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-06 15:34:36,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:34:36,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-06-06 15:34:36,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 15:34:36,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:34:36,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2021-06-06 15:34:36,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-06 15:34:36,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-06-06 15:34:36,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:34:41,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:34:41,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:34:41,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:34:41,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:34:41,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:34:41,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:34:41,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:34:41,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:34:41,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:34:41,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:34:41,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:34:41,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:34:41,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:34:41,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:34:41,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:34:41,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:34:41,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:34:41,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:34:41,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:34:41,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:34:41,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:34:41,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:34:41,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:34:41,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:34:41,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:34:41,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:34:41,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:34:41,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:34:41,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:34:41,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:34:41,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:34:41,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:34:41,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:34:41,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:34:41,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:34:41,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:34:41,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:34:41,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:34:41,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 15:34:41,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-06 15:34:41,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-06-06 15:34:41,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:34:41,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:34:41,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-06-06 15:34:41,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-06 15:34:41,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:34:41,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-06-06 15:34:41,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 15:34:41,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:34:41,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-06-06 15:34:41,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-06 15:34:41,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-06-06 15:34:41,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-06-06 15:34:41,954 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable705,53 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:34:41,955 INFO L430 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:34:41,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:34:41,955 INFO L82 PathProgramCache]: Analyzing trace with hash 138665996, now seen corresponding path program 51 times [2021-06-06 15:34:41,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:34:41,955 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729141888] [2021-06-06 15:34:41,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:34:41,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:34:42,917 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:34:42,917 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:34:42,917 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729141888] [2021-06-06 15:34:42,917 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729141888] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:34:42,917 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119692696] [2021-06-06 15:34:42,917 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:34:42,997 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-06-06 15:34:42,997 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:34:42,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 78 conjunts are in the unsatisfiable core [2021-06-06 15:34:42,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:34:45,065 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:34:45,066 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:34:45,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 15:34:45,067 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:34:45,070 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:34:45,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 15:34:45,071 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:34:45,098 INFO L628 ElimStorePlain]: treesize reduction 33, result has 35.3 percent of original size [2021-06-06 15:34:45,098 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:34:45,099 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:34:45,099 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:65, output treesize:12 [2021-06-06 15:34:45,162 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:34:45,162 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [119692696] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:34:45,162 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:34:45,162 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39] total 75 [2021-06-06 15:34:45,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770752835] [2021-06-06 15:34:45,163 INFO L462 AbstractCegarLoop]: Interpolant automaton has 75 states [2021-06-06 15:34:45,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:34:45,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2021-06-06 15:34:45,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=5366, Unknown=0, NotChecked=0, Total=5550 [2021-06-06 15:34:45,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:34:45,163 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:34:45,164 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 75 states, 75 states have (on average 1.12) internal successors, (84), 75 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:34:45,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:34:45,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:34:45,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:34:45,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:34:45,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:34:45,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:34:45,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:34:45,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:34:45,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:34:45,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:34:45,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:34:45,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:34:45,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:34:45,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:34:45,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:34:45,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:34:45,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:34:45,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:34:45,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:34:45,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:34:45,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:34:45,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:34:45,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:34:45,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:34:45,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:34:45,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:34:45,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:34:45,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:34:45,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:34:45,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:34:45,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:34:45,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:34:45,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:34:45,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:34:45,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:34:45,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:34:45,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:34:45,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:34:45,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 15:34:45,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-06-06 15:34:45,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-06-06 15:34:45,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:34:45,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:34:45,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-06-06 15:34:45,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-06 15:34:45,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:34:45,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-06-06 15:34:45,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 15:34:45,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:34:45,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2021-06-06 15:34:45,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-06 15:34:45,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-06-06 15:34:45,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-06-06 15:34:45,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:34:47,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:34:47,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:34:47,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:34:47,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:34:47,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:34:47,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:34:47,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:34:47,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:34:47,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:34:47,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:34:47,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:34:47,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:34:47,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:34:47,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:34:47,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:34:47,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:34:47,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:34:47,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:34:47,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:34:47,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:34:47,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:34:47,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:34:47,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:34:47,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:34:47,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:34:47,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:34:47,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:34:47,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:34:47,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:34:47,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:34:47,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:34:47,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:34:47,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:34:47,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:34:47,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:34:47,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:34:47,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:34:47,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:34:47,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 15:34:47,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-06 15:34:47,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-06-06 15:34:47,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:34:47,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:34:47,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-06-06 15:34:47,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-06 15:34:47,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:34:47,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-06-06 15:34:47,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 15:34:47,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:34:47,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-06-06 15:34:47,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-06 15:34:47,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-06-06 15:34:47,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-06-06 15:34:47,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:34:48,113 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable712 [2021-06-06 15:34:48,114 INFO L430 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:34:48,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:34:48,114 INFO L82 PathProgramCache]: Analyzing trace with hash 2593574, now seen corresponding path program 52 times [2021-06-06 15:34:48,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:34:48,114 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298000620] [2021-06-06 15:34:48,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:34:48,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:34:51,252 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:34:51,252 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:34:51,253 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298000620] [2021-06-06 15:34:51,253 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298000620] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:34:51,253 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [175591875] [2021-06-06 15:34:51,253 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:34:51,316 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 15:34:51,316 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:34:51,319 WARN L261 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 221 conjunts are in the unsatisfiable core [2021-06-06 15:34:51,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:34:54,509 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-06-06 15:34:56,262 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 189 [2021-06-06 15:34:57,009 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 189 [2021-06-06 15:34:57,729 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 189 [2021-06-06 15:34:58,532 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 189 [2021-06-06 15:34:59,318 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 189 [2021-06-06 15:35:00,068 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 189 [2021-06-06 15:35:00,852 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 189 [2021-06-06 15:35:01,629 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 189 [2021-06-06 15:35:02,400 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 189 [2021-06-06 15:35:03,165 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 189 [2021-06-06 15:35:03,937 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 189 [2021-06-06 15:35:04,724 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 189 [2021-06-06 15:35:05,591 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 189 [2021-06-06 15:35:06,402 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 189 [2021-06-06 15:35:07,307 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 189 [2021-06-06 15:35:08,227 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 189 [2021-06-06 15:35:09,063 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 189 [2021-06-06 15:35:09,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,205 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:35:09,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,355 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:35:09,442 INFO L244 Elim1Store]: Index analysis took 288 ms [2021-06-06 15:35:09,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 153 disjoint index pairs (out of 171 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 212 treesize of output 138 [2021-06-06 15:35:09,451 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:35:09,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,506 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:35:09,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,561 INFO L244 Elim1Store]: Index analysis took 104 ms [2021-06-06 15:35:09,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 153 disjoint index pairs (out of 171 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 214 treesize of output 140 [2021-06-06 15:35:09,568 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:35:09,723 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 114 [2021-06-06 15:35:09,723 INFO L628 ElimStorePlain]: treesize reduction 249, result has 48.8 percent of original size [2021-06-06 15:35:09,727 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:35:09,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-06-06 15:35:09,728 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 15:35:09,796 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 15:35:09,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:35:09,907 INFO L244 Elim1Store]: Index analysis took 108 ms [2021-06-06 15:35:09,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 153 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 125 [2021-06-06 15:35:09,913 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 15:35:09,924 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 15:35:09,925 INFO L518 ElimStorePlain]: Eliminatee v_prenex_226 vanished before elimination [2021-06-06 15:35:09,926 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 15:35:09,926 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:873, output treesize:22 [2021-06-06 15:35:10,107 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:35:10,108 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [175591875] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:35:10,108 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:35:10,108 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 40] total 79 [2021-06-06 15:35:10,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894536850] [2021-06-06 15:35:10,108 INFO L462 AbstractCegarLoop]: Interpolant automaton has 79 states [2021-06-06 15:35:10,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:35:10,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2021-06-06 15:35:10,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=5998, Unknown=0, NotChecked=0, Total=6162 [2021-06-06 15:35:10,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:35:10,109 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:35:10,109 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 79 states, 79 states have (on average 1.1139240506329113) internal successors, (88), 79 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:35:10,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:35:10,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:35:10,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:35:10,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:35:10,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:35:10,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:35:10,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:35:10,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:35:10,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:35:10,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:35:10,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:35:10,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:35:10,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:35:10,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:35:10,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:35:10,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:35:10,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:35:10,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:35:10,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:35:10,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:35:10,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:35:10,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:35:10,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:35:10,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:35:10,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:35:10,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:35:10,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:35:10,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:35:10,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:35:10,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:35:10,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:35:10,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:35:10,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:35:10,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:35:10,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:35:10,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:35:10,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:35:10,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:35:10,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 15:35:10,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-06-06 15:35:10,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-06-06 15:35:10,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:35:10,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:35:10,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-06-06 15:35:10,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-06 15:35:10,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:35:10,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-06-06 15:35:10,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 15:35:10,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:35:10,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2021-06-06 15:35:10,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-06 15:35:10,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-06-06 15:35:10,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-06-06 15:35:10,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:35:10,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:35:16,481 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 95 [2021-06-06 15:35:17,068 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 99 [2021-06-06 15:35:17,678 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2021-06-06 15:35:18,298 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 109 [2021-06-06 15:35:18,937 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 114 [2021-06-06 15:35:19,648 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 120 [2021-06-06 15:35:20,575 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 128 [2021-06-06 15:35:21,563 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 138 [2021-06-06 15:35:22,814 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 205 [2021-06-06 15:35:23,621 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 205 [2021-06-06 15:35:24,403 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 205 [2021-06-06 15:35:25,245 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 205 [2021-06-06 15:35:26,118 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 205 [2021-06-06 15:35:26,982 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 205 [2021-06-06 15:35:27,803 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 205 [2021-06-06 15:35:28,703 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 205 [2021-06-06 15:35:29,507 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 204 [2021-06-06 15:35:30,359 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 205 [2021-06-06 15:35:31,239 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 205 [2021-06-06 15:35:32,079 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 205 [2021-06-06 15:35:32,944 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 205 [2021-06-06 15:35:33,757 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 205 [2021-06-06 15:35:34,594 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 205 [2021-06-06 15:35:35,410 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 205 [2021-06-06 15:35:36,295 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 205 [2021-06-06 15:35:36,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:35:36,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:35:36,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:35:36,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:35:36,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:35:36,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:35:36,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:35:36,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:35:36,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:35:36,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:35:36,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:35:36,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:35:36,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:35:36,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:35:36,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:35:36,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:35:36,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:35:36,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:35:36,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:35:36,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:35:36,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:35:36,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:35:36,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:35:36,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:35:36,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:35:36,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:35:36,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:35:36,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:35:36,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:35:36,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:35:36,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:35:36,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:35:36,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:35:36,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:35:36,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:35:36,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:35:36,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:35:36,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:35:36,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 15:35:36,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-06 15:35:36,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-06-06 15:35:36,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:35:36,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:35:36,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-06-06 15:35:36,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-06 15:35:36,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:35:36,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-06-06 15:35:36,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 15:35:36,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:35:36,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-06-06 15:35:36,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-06 15:35:36,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-06-06 15:35:36,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-06-06 15:35:36,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:35:36,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-06 15:35:36,724 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable715 [2021-06-06 15:35:36,725 INFO L430 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:35:36,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:35:36,725 INFO L82 PathProgramCache]: Analyzing trace with hash 79315788, now seen corresponding path program 53 times [2021-06-06 15:35:36,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:35:36,725 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881449030] [2021-06-06 15:35:36,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:35:36,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:35:37,773 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 19 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:35:37,773 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:35:37,774 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881449030] [2021-06-06 15:35:37,774 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881449030] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:35:37,774 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1327968632] [2021-06-06 15:35:37,774 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:35:37,851 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-06-06 15:35:37,851 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:35:37,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 82 conjunts are in the unsatisfiable core [2021-06-06 15:35:37,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:35:40,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 15:35:40,293 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:35:40,296 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:35:40,296 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:35:40,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 15:35:40,297 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:35:40,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 15:35:40,301 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 15:35:40,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 15:35:40,304 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 15:35:40,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 15:35:40,307 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 15:35:40,310 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:35:40,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 15:35:40,311 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 15:35:40,344 INFO L628 ElimStorePlain]: treesize reduction 40, result has 39.4 percent of original size [2021-06-06 15:35:40,344 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:35:40,345 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 15:35:40,346 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:119, output treesize:20 [2021-06-06 15:35:40,422 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 19 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:35:40,422 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1327968632] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:35:40,422 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:35:40,422 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41] total 79 [2021-06-06 15:35:40,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579856520] [2021-06-06 15:35:40,422 INFO L462 AbstractCegarLoop]: Interpolant automaton has 79 states [2021-06-06 15:35:40,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:35:40,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2021-06-06 15:35:40,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=5968, Unknown=0, NotChecked=0, Total=6162 [2021-06-06 15:35:40,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:35:40,423 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:35:40,423 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 79 states, 79 states have (on average 1.1012658227848102) internal successors, (87), 79 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:35:40,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:35:40,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:35:40,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:35:40,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:35:40,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:35:40,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:35:40,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:35:40,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:35:40,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:35:40,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:35:40,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:35:40,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:35:40,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:35:40,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:35:40,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:35:40,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:35:40,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:35:40,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:35:40,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:35:40,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:35:40,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:35:40,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:35:40,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:35:40,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:35:40,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:35:40,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:35:40,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:35:40,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:35:40,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:35:40,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:35:40,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:35:40,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:35:40,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:35:40,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:35:40,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:35:40,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:35:40,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:35:40,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:35:40,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 15:35:40,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-06-06 15:35:40,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-06-06 15:35:40,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:35:40,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:35:40,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-06-06 15:35:40,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-06 15:35:40,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:35:40,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-06-06 15:35:40,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 15:35:40,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:35:40,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2021-06-06 15:35:40,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-06 15:35:40,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-06-06 15:35:40,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-06-06 15:35:40,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:35:40,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-06 15:35:40,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:35:46,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:35:46,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:35:46,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:35:46,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:35:46,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:35:46,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:35:46,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:35:46,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:35:46,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:35:46,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:35:46,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:35:46,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:35:46,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:35:46,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:35:46,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:35:46,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:35:46,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:35:46,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:35:46,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:35:46,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:35:46,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:35:46,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:35:46,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:35:46,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:35:46,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:35:46,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:35:46,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:35:46,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:35:46,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:35:46,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:35:46,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:35:46,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:35:46,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:35:46,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:35:46,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:35:46,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:35:46,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:35:46,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:35:46,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 15:35:46,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-06 15:35:46,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-06-06 15:35:46,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:35:46,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:35:46,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-06-06 15:35:46,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-06 15:35:46,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:35:46,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-06-06 15:35:46,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 15:35:46,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:35:46,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-06-06 15:35:46,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-06 15:35:46,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-06-06 15:35:46,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-06-06 15:35:46,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:35:46,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-06 15:35:46,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2021-06-06 15:35:46,476 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 56 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable796 [2021-06-06 15:35:46,476 INFO L430 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:35:46,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:35:46,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1778786812, now seen corresponding path program 54 times [2021-06-06 15:35:46,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:35:46,477 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155602893] [2021-06-06 15:35:46,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:35:46,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:35:47,582 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 0 proven. 361 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:35:47,582 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:35:47,582 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155602893] [2021-06-06 15:35:47,582 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155602893] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:35:47,582 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248216355] [2021-06-06 15:35:47,582 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:35:47,659 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2021-06-06 15:35:47,659 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:35:47,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 82 conjunts are in the unsatisfiable core [2021-06-06 15:35:47,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:35:50,019 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:35:50,019 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:35:50,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 15:35:50,021 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:35:50,023 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:35:50,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 15:35:50,024 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:35:50,054 INFO L628 ElimStorePlain]: treesize reduction 33, result has 35.3 percent of original size [2021-06-06 15:35:50,054 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:35:50,055 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:35:50,055 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:65, output treesize:12 [2021-06-06 15:35:50,122 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 0 proven. 361 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:35:50,123 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [248216355] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:35:50,123 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:35:50,123 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41] total 79 [2021-06-06 15:35:50,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8215352] [2021-06-06 15:35:50,123 INFO L462 AbstractCegarLoop]: Interpolant automaton has 79 states [2021-06-06 15:35:50,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:35:50,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2021-06-06 15:35:50,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=5968, Unknown=0, NotChecked=0, Total=6162 [2021-06-06 15:35:50,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:35:50,124 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:35:50,124 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 79 states, 79 states have (on average 1.1139240506329113) internal successors, (88), 79 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:35:50,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:35:50,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:35:50,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:35:50,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:35:50,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:35:50,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:35:50,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:35:50,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:35:50,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:35:50,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:35:50,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:35:50,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:35:50,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:35:50,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:35:50,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:35:50,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:35:50,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:35:50,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:35:50,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:35:50,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:35:50,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:35:50,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:35:50,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:35:50,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:35:50,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:35:50,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:35:50,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:35:50,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:35:50,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:35:50,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:35:50,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:35:50,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:35:50,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:35:50,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:35:50,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:35:50,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:35:50,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:35:50,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:35:50,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 15:35:50,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-06-06 15:35:50,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-06-06 15:35:50,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:35:50,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:35:50,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-06-06 15:35:50,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-06 15:35:50,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:35:50,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-06-06 15:35:50,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 15:35:50,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:35:50,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2021-06-06 15:35:50,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-06 15:35:50,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-06-06 15:35:50,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-06-06 15:35:50,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:35:50,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-06 15:35:50,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2021-06-06 15:35:50,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:35:52,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:35:52,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:35:52,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:35:52,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:35:52,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:35:52,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:35:52,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:35:52,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:35:52,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:35:52,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:35:52,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:35:52,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:35:52,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:35:52,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:35:52,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:35:52,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:35:52,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:35:52,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:35:52,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:35:52,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:35:52,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:35:52,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:35:52,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:35:52,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:35:52,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:35:52,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:35:52,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:35:52,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:35:52,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:35:52,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:35:52,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:35:52,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:35:52,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:35:52,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:35:52,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:35:52,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:35:52,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:35:52,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:35:52,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 15:35:52,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-06 15:35:52,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-06-06 15:35:52,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:35:52,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:35:52,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-06-06 15:35:52,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-06 15:35:52,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:35:52,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-06-06 15:35:52,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 15:35:52,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:35:52,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-06-06 15:35:52,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-06 15:35:52,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-06-06 15:35:52,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-06-06 15:35:52,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:35:52,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-06 15:35:52,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2021-06-06 15:35:52,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-06-06 15:35:52,864 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable803,57 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:35:52,864 INFO L430 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:35:52,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:35:52,864 INFO L82 PathProgramCache]: Analyzing trace with hash -693268682, now seen corresponding path program 55 times [2021-06-06 15:35:52,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:35:52,864 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484755803] [2021-06-06 15:35:52,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:35:52,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:35:56,056 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:35:56,056 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:35:56,056 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484755803] [2021-06-06 15:35:56,056 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484755803] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:35:56,056 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [175641566] [2021-06-06 15:35:56,056 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:35:56,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:35:56,127 WARN L261 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 233 conjunts are in the unsatisfiable core [2021-06-06 15:35:56,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:35:59,696 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-06-06 15:36:01,577 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 198 [2021-06-06 15:36:02,359 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 198 [2021-06-06 15:36:03,149 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 198 [2021-06-06 15:36:03,990 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 198 [2021-06-06 15:36:04,881 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 198 [2021-06-06 15:36:05,758 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 198 [2021-06-06 15:36:06,566 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 198 [2021-06-06 15:36:07,480 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 198 [2021-06-06 15:36:08,242 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 198 [2021-06-06 15:36:09,067 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 198 [2021-06-06 15:36:10,024 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 198 [2021-06-06 15:36:11,234 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 198 [2021-06-06 15:36:12,242 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 198 [2021-06-06 15:36:13,235 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 198 [2021-06-06 15:36:14,080 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 198 [2021-06-06 15:36:15,006 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 198 [2021-06-06 15:36:16,088 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 198 [2021-06-06 15:36:17,087 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 198 [2021-06-06 15:36:17,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,266 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:36:17,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,442 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:36:17,481 INFO L244 Elim1Store]: Index analysis took 303 ms [2021-06-06 15:36:17,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 171 disjoint index pairs (out of 190 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 147 [2021-06-06 15:36:17,488 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:36:17,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,580 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:36:17,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,613 INFO L244 Elim1Store]: Index analysis took 119 ms [2021-06-06 15:36:17,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 171 disjoint index pairs (out of 190 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 223 treesize of output 145 [2021-06-06 15:36:17,622 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:36:17,832 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 119 [2021-06-06 15:36:17,833 INFO L628 ElimStorePlain]: treesize reduction 256, result has 49.2 percent of original size [2021-06-06 15:36:17,838 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:36:17,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-06-06 15:36:17,840 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 15:36:17,903 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 15:36:17,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:17,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:18,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:18,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:18,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:18,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:18,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:18,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:18,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:18,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:18,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:18,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:18,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:18,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:18,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:18,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:18,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:18,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:18,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:18,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:18,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:18,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:18,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:18,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:18,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:18,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:18,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 15:36:18,015 INFO L244 Elim1Store]: Index analysis took 109 ms [2021-06-06 15:36:18,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 171 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 206 treesize of output 132 [2021-06-06 15:36:18,022 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 15:36:18,033 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 15:36:18,033 INFO L518 ElimStorePlain]: Eliminatee v_prenex_249 vanished before elimination [2021-06-06 15:36:18,034 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 15:36:18,034 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:917, output treesize:22 [2021-06-06 15:36:18,223 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:36:18,223 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [175641566] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:36:18,223 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:36:18,224 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 42] total 83 [2021-06-06 15:36:18,224 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523350724] [2021-06-06 15:36:18,224 INFO L462 AbstractCegarLoop]: Interpolant automaton has 83 states [2021-06-06 15:36:18,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:36:18,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2021-06-06 15:36:18,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=6634, Unknown=0, NotChecked=0, Total=6806 [2021-06-06 15:36:18,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:36:18,224 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:36:18,225 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 83 states, 83 states have (on average 1.108433734939759) internal successors, (92), 83 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:36:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:36:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:36:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:36:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:36:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:36:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:36:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:36:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:36:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:36:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:36:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:36:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:36:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:36:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:36:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:36:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:36:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:36:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:36:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:36:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:36:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:36:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:36:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:36:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:36:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:36:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:36:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:36:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:36:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:36:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:36:18,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:36:18,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:36:18,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:36:18,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:36:18,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:36:18,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:36:18,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:36:18,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:36:18,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 15:36:18,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-06-06 15:36:18,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-06-06 15:36:18,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:36:18,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:36:18,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-06-06 15:36:18,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-06 15:36:18,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:36:18,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-06-06 15:36:18,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 15:36:18,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:36:18,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2021-06-06 15:36:18,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-06 15:36:18,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-06-06 15:36:18,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-06-06 15:36:18,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:36:18,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-06 15:36:18,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2021-06-06 15:36:18,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-06-06 15:36:18,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:36:24,319 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 92 [2021-06-06 15:36:24,937 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 97 [2021-06-06 15:36:25,619 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2021-06-06 15:36:26,347 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 107 [2021-06-06 15:36:27,049 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2021-06-06 15:36:27,764 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 114 [2021-06-06 15:36:28,496 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 117 [2021-06-06 15:36:29,223 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 127 [2021-06-06 15:36:30,445 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 133 [2021-06-06 15:36:31,668 WARN L205 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 143 [2021-06-06 15:36:33,077 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 214 [2021-06-06 15:36:34,023 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 214 [2021-06-06 15:36:34,959 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 214 [2021-06-06 15:36:35,850 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 214 [2021-06-06 15:36:36,765 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 214 [2021-06-06 15:36:37,709 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 214 [2021-06-06 15:36:38,660 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 214 [2021-06-06 15:36:39,568 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 214 [2021-06-06 15:36:40,480 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 214 [2021-06-06 15:36:41,409 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 214 [2021-06-06 15:36:42,266 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 214 [2021-06-06 15:36:43,170 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 214 [2021-06-06 15:36:44,064 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 214 [2021-06-06 15:36:44,967 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 214 [2021-06-06 15:36:45,962 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 214 [2021-06-06 15:36:46,856 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 214 [2021-06-06 15:36:47,749 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 214 [2021-06-06 15:36:48,627 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 214 [2021-06-06 15:36:48,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:36:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:36:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:36:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:36:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:36:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:36:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:36:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:36:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:36:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:36:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:36:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:36:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:36:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:36:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:36:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:36:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:36:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:36:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:36:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:36:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:36:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:36:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:36:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:36:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:36:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:36:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:36:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:36:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:36:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:36:48,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:36:48,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:36:48,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:36:48,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:36:48,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:36:48,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:36:48,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:36:48,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:36:48,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 15:36:48,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-06 15:36:48,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-06-06 15:36:48,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:36:48,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:36:48,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-06-06 15:36:48,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-06 15:36:48,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:36:48,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-06-06 15:36:48,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 15:36:48,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:36:48,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-06-06 15:36:48,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-06 15:36:48,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-06-06 15:36:48,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-06-06 15:36:48,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:36:48,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-06 15:36:48,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2021-06-06 15:36:48,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-06-06 15:36:48,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-06 15:36:49,083 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable806,58 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:36:49,084 INFO L430 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:36:49,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:36:49,084 INFO L82 PathProgramCache]: Analyzing trace with hash -17577668, now seen corresponding path program 56 times [2021-06-06 15:36:49,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:36:49,084 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512302535] [2021-06-06 15:36:49,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:36:49,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:36:50,297 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 20 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:36:50,297 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:36:50,297 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512302535] [2021-06-06 15:36:50,297 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512302535] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:36:50,297 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350742275] [2021-06-06 15:36:50,297 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:36:50,363 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 15:36:50,363 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:36:50,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 86 conjunts are in the unsatisfiable core [2021-06-06 15:36:50,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:36:53,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 15:36:53,044 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:36:53,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 15:36:53,047 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:36:53,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 15:36:53,050 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 15:36:53,053 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:36:53,053 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:36:53,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 15:36:53,054 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 15:36:53,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 15:36:53,058 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 15:36:53,060 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:36:53,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 15:36:53,061 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 15:36:53,095 INFO L628 ElimStorePlain]: treesize reduction 40, result has 39.4 percent of original size [2021-06-06 15:36:53,095 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:36:53,096 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 15:36:53,096 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:119, output treesize:20 [2021-06-06 15:36:53,176 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 20 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:36:53,176 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1350742275] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:36:53,176 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:36:53,176 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43] total 83 [2021-06-06 15:36:53,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071617618] [2021-06-06 15:36:53,176 INFO L462 AbstractCegarLoop]: Interpolant automaton has 83 states [2021-06-06 15:36:53,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:36:53,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2021-06-06 15:36:53,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=6602, Unknown=0, NotChecked=0, Total=6806 [2021-06-06 15:36:53,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:36:53,177 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:36:53,177 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 83 states, 83 states have (on average 1.0963855421686748) internal successors, (91), 83 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:36:53,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:36:53,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:36:53,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:36:53,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:36:53,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:36:53,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:36:53,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:36:53,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:36:53,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:36:53,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:36:53,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:36:53,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:36:53,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:36:53,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:36:53,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:36:53,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:36:53,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:36:53,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:36:53,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:36:53,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:36:53,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:36:53,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:36:53,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:36:53,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:36:53,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:36:53,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:36:53,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:36:53,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:36:53,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:36:53,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:36:53,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:36:53,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:36:53,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:36:53,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:36:53,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:36:53,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:36:53,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:36:53,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:36:53,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 15:36:53,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-06-06 15:36:53,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-06-06 15:36:53,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:36:53,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:36:53,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-06-06 15:36:53,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-06 15:36:53,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:36:53,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-06-06 15:36:53,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 15:36:53,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:36:53,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2021-06-06 15:36:53,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-06 15:36:53,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-06-06 15:36:53,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-06-06 15:36:53,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:36:53,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-06 15:36:53,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2021-06-06 15:36:53,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-06-06 15:36:53,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-06 15:36:53,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:36:59,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:36:59,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:36:59,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:36:59,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:36:59,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:36:59,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:36:59,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:36:59,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:36:59,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:36:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:36:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:36:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:36:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:36:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:36:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:36:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:36:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:36:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:36:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:36:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:36:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:36:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:36:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:36:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:36:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:36:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:36:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:36:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:36:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:36:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:36:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:36:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:36:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:36:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:36:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:36:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:36:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:36:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:36:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 15:36:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-06 15:36:59,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-06-06 15:36:59,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:36:59,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:36:59,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-06-06 15:36:59,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-06 15:36:59,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:36:59,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-06-06 15:36:59,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 15:36:59,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:36:59,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-06-06 15:36:59,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-06 15:36:59,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-06-06 15:36:59,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-06-06 15:36:59,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:36:59,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-06 15:36:59,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2021-06-06 15:36:59,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-06-06 15:36:59,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-06 15:36:59,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-06-06 15:36:59,818 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable880 [2021-06-06 15:36:59,818 INFO L430 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:36:59,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:36:59,819 INFO L82 PathProgramCache]: Analyzing trace with hash 1126416524, now seen corresponding path program 57 times [2021-06-06 15:36:59,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:36:59,819 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700108016] [2021-06-06 15:36:59,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:36:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:37:00,897 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:37:00,897 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:37:00,897 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700108016] [2021-06-06 15:37:00,897 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700108016] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:37:00,897 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978024936] [2021-06-06 15:37:00,897 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:37:00,973 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-06-06 15:37:00,973 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:37:00,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 86 conjunts are in the unsatisfiable core [2021-06-06 15:37:00,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:37:03,617 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:37:03,618 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:37:03,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 15:37:03,619 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:37:03,622 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 15:37:03,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 15:37:03,623 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 15:37:03,654 INFO L628 ElimStorePlain]: treesize reduction 33, result has 35.3 percent of original size [2021-06-06 15:37:03,655 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 15:37:03,655 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:37:03,655 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:65, output treesize:12 [2021-06-06 15:37:03,727 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:37:03,727 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1978024936] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:37:03,727 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:37:03,727 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43] total 83 [2021-06-06 15:37:03,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68162] [2021-06-06 15:37:03,727 INFO L462 AbstractCegarLoop]: Interpolant automaton has 83 states [2021-06-06 15:37:03,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:37:03,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2021-06-06 15:37:03,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=6602, Unknown=0, NotChecked=0, Total=6806 [2021-06-06 15:37:03,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:37:03,728 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:37:03,728 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 83 states, 83 states have (on average 1.108433734939759) internal successors, (92), 83 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:37:03,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:37:03,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:37:03,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:37:03,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:37:03,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:37:03,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:37:03,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:37:03,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:37:03,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:37:03,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:37:03,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:37:03,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:37:03,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:37:03,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:37:03,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:37:03,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:37:03,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:37:03,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:37:03,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:37:03,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:37:03,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:37:03,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:37:03,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:37:03,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:37:03,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:37:03,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:37:03,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:37:03,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:37:03,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:37:03,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:37:03,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:37:03,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:37:03,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:37:03,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:37:03,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:37:03,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:37:03,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:37:03,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:37:03,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 15:37:03,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-06-06 15:37:03,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-06-06 15:37:03,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:37:03,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:37:03,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-06-06 15:37:03,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-06 15:37:03,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:37:03,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-06-06 15:37:03,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 15:37:03,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:37:03,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2021-06-06 15:37:03,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-06 15:37:03,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-06-06 15:37:03,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-06-06 15:37:03,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:37:03,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-06 15:37:03,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2021-06-06 15:37:03,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-06-06 15:37:03,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-06 15:37:03,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-06-06 15:37:03,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:37:06,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:37:06,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:37:06,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:37:06,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:37:06,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:37:06,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:37:06,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:37:06,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:37:06,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 15:37:06,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:37:06,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:37:06,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:37:06,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:37:06,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 15:37:06,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 15:37:06,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:37:06,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 15:37:06,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 15:37:06,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 15:37:06,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 15:37:06,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 15:37:06,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:37:06,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:37:06,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 15:37:06,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:37:06,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 15:37:06,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 15:37:06,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 15:37:06,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:37:06,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 15:37:06,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:37:06,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-06 15:37:06,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 15:37:06,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:37:06,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-06 15:37:06,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:37:06,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-06 15:37:06,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-06 15:37:06,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 15:37:06,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-06 15:37:06,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-06-06 15:37:06,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 15:37:06,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:37:06,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-06-06 15:37:06,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-06 15:37:06,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 15:37:06,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-06-06 15:37:06,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 15:37:06,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 15:37:06,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-06-06 15:37:06,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-06 15:37:06,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-06-06 15:37:06,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-06-06 15:37:06,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 15:37:06,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-06 15:37:06,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2021-06-06 15:37:06,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-06-06 15:37:06,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-06 15:37:06,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-06-06 15:37:06,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-06-06 15:37:06,953 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable887,60 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:37:06,953 INFO L430 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:37:06,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:37:06,953 INFO L82 PathProgramCache]: Analyzing trace with hash 558088870, now seen corresponding path program 58 times [2021-06-06 15:37:06,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:37:06,954 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866999542] [2021-06-06 15:37:06,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:37:06,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:37:09,818 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:37:09,818 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:37:09,818 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866999542] [2021-06-06 15:37:09,818 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866999542] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:37:09,818 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511526612] [2021-06-06 15:37:09,818 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:37:09,886 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 15:37:09,886 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:37:09,889 WARN L261 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 245 conjunts are in the unsatisfiable core [2021-06-06 15:37:09,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:37:13,660 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-06-06 15:37:15,656 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 207 [2021-06-06 15:37:16,597 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 207 [2021-06-06 15:37:16,887 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-06-06 15:37:16,888 WARN L348 FreeRefinementEngine]: Global settings require throwing the following exception [2021-06-06 15:37:17,088 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable890,61 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:37:17,089 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:899) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:773) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:345) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:305) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:582) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:297) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:643) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:364) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:238) ... 46 more [2021-06-06 15:37:17,094 INFO L168 Benchmark]: Toolchain (without parser) took 459450.64 ms. Allocated memory was 346.0 MB in the beginning and 866.1 MB in the end (delta: 520.1 MB). Free memory was 325.5 MB in the beginning and 692.9 MB in the end (delta: -367.4 MB). Peak memory consumption was 154.4 MB. Max. memory is 16.0 GB. [2021-06-06 15:37:17,094 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 346.0 MB. Free memory is still 326.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 15:37:17,094 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.90 ms. Allocated memory is still 346.0 MB. Free memory was 325.5 MB in the beginning and 323.9 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 15:37:17,094 INFO L168 Benchmark]: Boogie Preprocessor took 12.74 ms. Allocated memory is still 346.0 MB. Free memory was 323.9 MB in the beginning and 322.9 MB in the end (delta: 986.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 15:37:17,094 INFO L168 Benchmark]: RCFGBuilder took 303.98 ms. Allocated memory is still 346.0 MB. Free memory was 322.9 MB in the beginning and 305.9 MB in the end (delta: 17.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-06-06 15:37:17,094 INFO L168 Benchmark]: TraceAbstraction took 459103.49 ms. Allocated memory was 346.0 MB in the beginning and 866.1 MB in the end (delta: 520.1 MB). Free memory was 305.6 MB in the beginning and 692.9 MB in the end (delta: -387.3 MB). Peak memory consumption was 135.5 MB. Max. memory is 16.0 GB. [2021-06-06 15:37:17,094 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 346.0 MB. Free memory is still 326.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 25.90 ms. Allocated memory is still 346.0 MB. Free memory was 325.5 MB in the beginning and 323.9 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 12.74 ms. Allocated memory is still 346.0 MB. Free memory was 323.9 MB in the beginning and 322.9 MB in the end (delta: 986.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 303.98 ms. Allocated memory is still 346.0 MB. Free memory was 322.9 MB in the beginning and 305.9 MB in the end (delta: 17.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 459103.49 ms. Allocated memory was 346.0 MB in the beginning and 866.1 MB in the end (delta: 520.1 MB). Free memory was 305.6 MB in the beginning and 692.9 MB in the end (delta: -387.3 MB). Peak memory consumption was 135.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...