/usr/bin/java -Xmx8000000000 -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-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 04:16:42,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 04:16:42,169 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 04:16:42,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-14 04:16:42,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-14 04:16:42,201 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-14 04:16:42,203 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-14 04:16:42,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-14 04:16:42,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-14 04:16:42,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-14 04:16:42,212 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-14 04:16:42,213 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-14 04:16:42,213 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 04:16:42,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 04:16:42,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 04:16:42,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 04:16:42,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 04:16:42,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 04:16:42,221 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 04:16:42,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 04:16:42,226 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 04:16:42,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 04:16:42,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 04:16:42,229 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 04:16:42,234 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-14 04:16:42,234 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-14 04:16:42,234 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-14 04:16:42,235 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-14 04:16:42,236 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-14 04:16:42,236 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-14 04:16:42,236 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-14 04:16:42,237 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-14 04:16:42,239 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-14 04:16:42,240 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-14 04:16:42,241 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-14 04:16:42,241 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-14 04:16:42,242 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-14 04:16:42,242 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-14 04:16:42,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 04:16:42,243 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 04:16:42,243 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 04:16:42,246 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-NewStatesSleep-NoLbe.epf [2021-07-14 04:16:42,286 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 04:16:42,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 04:16:42,287 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 04:16:42,287 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 04:16:42,289 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 04:16:42,289 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 04:16:42,289 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 04:16:42,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 04:16:42,289 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 04:16:42,289 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 04:16:42,290 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 04:16:42,290 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 04:16:42,290 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 04:16:42,290 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 04:16:42,290 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 04:16:42,291 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 04:16:42,291 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 04:16:42,291 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 04:16:42,291 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 04:16:42,291 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 04:16:42,291 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 04:16:42,291 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 04:16:42,291 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 04:16:42,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 04:16:42,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 04:16:42,292 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 04:16:42,292 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 04:16:42,292 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 04:16:42,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 04:16:42,292 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 04:16:42,292 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 04:16:42,292 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 04:16:42,292 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-14 04:16:42,292 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 04:16:42,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 04:16:42,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 04:16:42,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 04:16:42,559 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 04:16:42,560 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 04:16:42,560 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl [2021-07-14 04:16:42,560 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl' [2021-07-14 04:16:42,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 04:16:42,589 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 04:16:42,592 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 04:16:42,593 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 04:16:42,593 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 04:16:42,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:16:42" (1/1) ... [2021-07-14 04:16:42,612 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:16:42" (1/1) ... [2021-07-14 04:16:42,618 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 04:16:42,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 04:16:42,620 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 04:16:42,620 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 04:16:42,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:16:42" (1/1) ... [2021-07-14 04:16:42,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:16:42" (1/1) ... [2021-07-14 04:16:42,634 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:16:42" (1/1) ... [2021-07-14 04:16:42,635 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:16:42" (1/1) ... [2021-07-14 04:16:42,642 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:16:42" (1/1) ... [2021-07-14 04:16:42,644 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:16:42" (1/1) ... [2021-07-14 04:16:42,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:16:42" (1/1) ... [2021-07-14 04:16:42,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 04:16:42,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 04:16:42,646 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 04:16:42,646 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 04:16:42,648 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:16:42" (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 [2021-07-14 04:16:42,718 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 04:16:42,718 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 04:16:42,718 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 04:16:42,718 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 04:16:42,718 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 04:16:42,718 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 04:16:42,718 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 04:16:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 04:16:42,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 04:16:42,719 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 04:16:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 04:16:42,719 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 04:16:42,719 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 04:16:42,983 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 04:16:42,983 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 04:16:42,984 INFO L202 PluginConnector]: Adding new model ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:16:42 BoogieIcfgContainer [2021-07-14 04:16:42,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 04:16:42,986 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 04:16:42,986 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 04:16:42,988 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 04:16:42,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:16:42" (1/2) ... [2021-07-14 04:16:42,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cbdf074 and model type ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:16:42, skipping insertion in model container [2021-07-14 04:16:42,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:16:42" (2/2) ... [2021-07-14 04:16:42,989 INFO L111 eAbstractionObserver]: Analyzing ICFG ring-nondet.wvr.bpl [2021-07-14 04:16:42,993 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 04:16:42,993 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 04:16:42,993 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 04:16:42,993 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 04:16:43,053 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-14 04:16:43,077 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 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 [2021-07-14 04:16:43,123 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 04:16:43,123 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 04:16:43,124 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 04:16:43,124 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 04:16:43,124 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 04:16:43,125 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 04:16:43,125 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 04:16:43,125 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 04:16:43,210 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:16:43,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:16:43,213 INFO L82 PathProgramCache]: Analyzing trace with hash -838814465, now seen corresponding path program 1 times [2021-07-14 04:16:43,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:16:43,218 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017112774] [2021-07-14 04:16:43,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:16:43,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:16:43,307 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 04:16:43,307 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:16:43,308 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017112774] [2021-07-14 04:16:43,309 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017112774] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 04:16:43,309 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 04:16:43,309 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 04:16:43,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731387882] [2021-07-14 04:16:43,313 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 04:16:43,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:16:43,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 04:16:43,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 04:16:43,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:16:43,337 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:16:43,338 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 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) [2021-07-14 04:16:43,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:16:43,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:16:43,372 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 04:16:43,372 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:16:43,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:16:43,375 INFO L82 PathProgramCache]: Analyzing trace with hash -207610783, now seen corresponding path program 2 times [2021-07-14 04:16:43,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:16:43,375 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896551915] [2021-07-14 04:16:43,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:16:43,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:16:43,448 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 04:16:43,448 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:16:43,448 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896551915] [2021-07-14 04:16:43,448 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896551915] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:16:43,449 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662589112] [2021-07-14 04:16:43,449 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 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 [2021-07-14 04:16:43,511 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 04:16:43,511 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:16:43,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-14 04:16:43,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:16:43,772 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 3 [2021-07-14 04:16:43,775 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:16:43,784 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:16:43,786 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 04:16:43,786 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2021-07-14 04:16:43,856 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 04:16:43,856 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [662589112] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:16:43,856 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:16:43,856 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2021-07-14 04:16:43,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30426317] [2021-07-14 04:16:43,857 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 04:16:43,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:16:43,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 04:16:43,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-07-14 04:16:43,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:16:43,858 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:16:43,858 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 5.363636363636363) internal successors, (59), 10 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) [2021-07-14 04:16:43,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:16:43,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:16:44,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:16:44,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:16:44,284 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:16:44,284 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:16:44,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:16:44,285 INFO L82 PathProgramCache]: Analyzing trace with hash -701174841, now seen corresponding path program 3 times [2021-07-14 04:16:44,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:16:44,285 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493209357] [2021-07-14 04:16:44,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:16:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:16:44,622 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 04:16:44,623 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:16:44,624 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493209357] [2021-07-14 04:16:44,624 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493209357] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:16:44,624 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318145889] [2021-07-14 04:16:44,625 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 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 [2021-07-14 04:16:44,678 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-14 04:16:44,678 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:16:44,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-14 04:16:44,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:16:44,830 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-14 04:16:44,830 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 10 [2021-07-14 04:16:44,832 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:16:44,835 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:16:44,835 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 04:16:44,836 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:9 [2021-07-14 04:16:44,961 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 11 treesize of output 7 [2021-07-14 04:16:44,962 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:16:44,963 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:16:44,964 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 04:16:44,964 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-14 04:16:45,016 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 04:16:45,016 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1318145889] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:16:45,017 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:16:45,017 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 25 [2021-07-14 04:16:45,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299516785] [2021-07-14 04:16:45,017 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-14 04:16:45,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:16:45,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-14 04:16:45,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=566, Unknown=0, NotChecked=0, Total=650 [2021-07-14 04:16:45,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:16:45,019 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:16:45,019 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 3.6923076923076925) internal successors, (96), 25 states have internal predecessors, (96), 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) [2021-07-14 04:16:45,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:16:45,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:16:45,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:16:45,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:16:45,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:16:45,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 04:16:46,124 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:16:46,125 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:16:46,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:16:46,125 INFO L82 PathProgramCache]: Analyzing trace with hash -134283570, now seen corresponding path program 4 times [2021-07-14 04:16:46,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:16:46,125 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007031153] [2021-07-14 04:16:46,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:16:46,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:16:46,554 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 8 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:16:46,554 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:16:46,554 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007031153] [2021-07-14 04:16:46,554 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007031153] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:16:46,555 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238162657] [2021-07-14 04:16:46,555 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 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 [2021-07-14 04:16:46,607 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 04:16:46,608 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:16:46,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-14 04:16:46,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:16:46,723 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-07-14 04:16:46,724 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 10 [2021-07-14 04:16:46,725 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:16:46,728 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:16:46,728 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 04:16:46,728 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:9 [2021-07-14 04:16:46,827 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 11 treesize of output 7 [2021-07-14 04:16:46,829 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:16:46,830 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:16:46,831 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 04:16:46,831 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-14 04:16:46,871 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-07-14 04:16:46,871 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [238162657] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:16:46,871 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:16:46,871 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 11] total 29 [2021-07-14 04:16:46,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404091534] [2021-07-14 04:16:46,872 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-14 04:16:46,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:16:46,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-14 04:16:46,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=764, Unknown=0, NotChecked=0, Total=870 [2021-07-14 04:16:46,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:16:46,873 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:16:46,873 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.6) internal successors, (108), 29 states have internal predecessors, (108), 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) [2021-07-14 04:16:46,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:16:46,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:16:46,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 04:16:46,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:16:47,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:16:47,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:16:47,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 04:16:47,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 04:16:48,052 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:16:48,053 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:16:48,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:16:48,053 INFO L82 PathProgramCache]: Analyzing trace with hash 1948281524, now seen corresponding path program 5 times [2021-07-14 04:16:48,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:16:48,054 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376102527] [2021-07-14 04:16:48,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:16:48,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:16:48,304 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-07-14 04:16:48,304 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:16:48,305 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376102527] [2021-07-14 04:16:48,305 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376102527] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:16:48,305 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880385404] [2021-07-14 04:16:48,305 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 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 [2021-07-14 04:16:48,374 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2021-07-14 04:16:48,375 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:16:48,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 25 conjunts are in the unsatisfiable core [2021-07-14 04:16:48,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:16:48,611 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-07-14 04:16:48,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 13 [2021-07-14 04:16:48,613 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:16:48,615 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:16:48,616 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 04:16:48,616 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:30, output treesize:9 [2021-07-14 04:16:48,725 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 11 treesize of output 7 [2021-07-14 04:16:48,726 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:16:48,727 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:16:48,728 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 04:16:48,728 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-14 04:16:48,775 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-07-14 04:16:48,775 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1880385404] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:16:48,775 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:16:48,775 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 26 [2021-07-14 04:16:48,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685139053] [2021-07-14 04:16:48,776 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-14 04:16:48,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:16:48,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-14 04:16:48,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=619, Unknown=0, NotChecked=0, Total=702 [2021-07-14 04:16:48,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:16:48,777 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:16:48,777 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 3.962962962962963) internal successors, (107), 26 states have internal predecessors, (107), 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) [2021-07-14 04:16:48,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:16:48,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:16:48,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 04:16:48,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 04:16:48,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:16:49,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:16:49,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:16:49,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 04:16:49,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 04:16:49,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 04:16:49,835 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-07-14 04:16:49,836 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:16:49,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:16:49,836 INFO L82 PathProgramCache]: Analyzing trace with hash -327852031, now seen corresponding path program 6 times [2021-07-14 04:16:49,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:16:49,836 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082738467] [2021-07-14 04:16:49,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:16:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:16:50,201 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 9 proven. 102 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-07-14 04:16:50,201 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:16:50,202 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082738467] [2021-07-14 04:16:50,202 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082738467] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:16:50,202 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1238008786] [2021-07-14 04:16:50,202 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 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 [2021-07-14 04:16:50,258 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2021-07-14 04:16:50,259 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:16:50,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 36 conjunts are in the unsatisfiable core [2021-07-14 04:16:50,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:16:50,621 INFO L354 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-07-14 04:16:50,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 16 [2021-07-14 04:16:50,624 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:16:50,627 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:16:50,627 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 04:16:50,628 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:37, output treesize:9 [2021-07-14 04:16:50,837 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 11 treesize of output 7 [2021-07-14 04:16:50,839 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:16:50,840 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:16:50,840 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 04:16:50,840 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-14 04:16:50,908 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-07-14 04:16:50,908 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1238008786] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:16:50,908 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:16:50,910 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 20] total 34 [2021-07-14 04:16:50,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333884089] [2021-07-14 04:16:50,911 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 04:16:50,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:16:50,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 04:16:50,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=1071, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 04:16:50,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:16:50,912 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:16:50,912 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.5142857142857142) internal successors, (123), 34 states have internal predecessors, (123), 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) [2021-07-14 04:16:50,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:16:50,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:16:50,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 04:16:50,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 04:16:50,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 04:16:50,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:16:53,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:16:53,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:16:53,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 04:16:53,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 04:16:53,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:16:53,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 04:16:53,649 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:16:53,649 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:16:53,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:16:53,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1787234547, now seen corresponding path program 7 times [2021-07-14 04:16:53,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:16:53,650 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594284641] [2021-07-14 04:16:53,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:16:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:16:53,738 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 144 proven. 16 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-07-14 04:16:53,738 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:16:53,738 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594284641] [2021-07-14 04:16:53,738 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594284641] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:16:53,738 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [878335461] [2021-07-14 04:16:53,738 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 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 [2021-07-14 04:16:53,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:16:53,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 04:16:53,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:16:53,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:53,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:53,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:53,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:53,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:53,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:53,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2021-07-14 04:16:53,864 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:16:53,865 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:16:53,865 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 04:16:53,867 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:34, output treesize:5 [2021-07-14 04:16:53,940 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 144 proven. 16 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-07-14 04:16:53,940 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [878335461] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:16:53,941 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:16:53,941 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 13 [2021-07-14 04:16:53,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132707775] [2021-07-14 04:16:53,941 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 04:16:53,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:16:53,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 04:16:53,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2021-07-14 04:16:53,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:16:53,942 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:16:53,942 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 13 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) [2021-07-14 04:16:53,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:16:53,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:16:53,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 04:16:53,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 04:16:53,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:16:53,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 04:16:53,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:16:54,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:16:54,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:16:54,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 04:16:54,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 04:16:54,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:16:54,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 04:16:54,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:16:54,216 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:16:54,217 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:16:54,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:16:54,217 INFO L82 PathProgramCache]: Analyzing trace with hash -1022776597, now seen corresponding path program 8 times [2021-07-14 04:16:54,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:16:54,217 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879873904] [2021-07-14 04:16:54,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:16:54,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:16:54,626 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 1 proven. 237 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-14 04:16:54,626 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:16:54,627 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879873904] [2021-07-14 04:16:54,627 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879873904] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:16:54,627 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [299977001] [2021-07-14 04:16:54,627 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 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 [2021-07-14 04:16:54,680 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 04:16:54,681 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:16:54,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 36 conjunts are in the unsatisfiable core [2021-07-14 04:16:54,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:16:55,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:55,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:55,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:55,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:55,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:55,250 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:16:55,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:55,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:55,251 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 36 treesize of output 16 [2021-07-14 04:16:55,253 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:16:55,258 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:16:55,260 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 04:16:55,260 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:47, output treesize:9 [2021-07-14 04:16:55,361 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 11 treesize of output 7 [2021-07-14 04:16:55,362 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:16:55,363 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:16:55,363 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 04:16:55,363 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-14 04:16:55,373 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-07-14 04:16:55,373 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [299977001] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:16:55,373 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:16:55,373 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 19] total 34 [2021-07-14 04:16:55,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535027441] [2021-07-14 04:16:55,374 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 04:16:55,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:16:55,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 04:16:55,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=1067, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 04:16:55,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:16:55,375 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:16:55,375 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.3714285714285714) internal successors, (118), 34 states have internal predecessors, (118), 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) [2021-07-14 04:16:55,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:16:55,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:16:55,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 04:16:55,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 04:16:55,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:16:55,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 04:16:55,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:16:55,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:16:56,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:16:56,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:16:56,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 04:16:56,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 04:16:56,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:16:56,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 04:16:56,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:16:56,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 04:16:56,617 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-07-14 04:16:56,618 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:16:56,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:16:56,618 INFO L82 PathProgramCache]: Analyzing trace with hash 75168601, now seen corresponding path program 9 times [2021-07-14 04:16:56,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:16:56,618 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944556973] [2021-07-14 04:16:56,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:16:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:16:57,040 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 21 proven. 238 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-14 04:16:57,040 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:16:57,040 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944556973] [2021-07-14 04:16:57,040 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944556973] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:16:57,040 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2037701366] [2021-07-14 04:16:57,040 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 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 [2021-07-14 04:16:57,116 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2021-07-14 04:16:57,116 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:16:57,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 45 conjunts are in the unsatisfiable core [2021-07-14 04:16:57,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:16:57,562 INFO L354 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2021-07-14 04:16:57,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 39 treesize of output 19 [2021-07-14 04:16:57,565 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:16:57,567 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:16:57,568 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 04:16:57,568 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:44, output treesize:9 [2021-07-14 04:16:57,763 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 11 treesize of output 7 [2021-07-14 04:16:57,765 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:16:57,766 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:16:57,766 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 04:16:57,766 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-14 04:16:57,777 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 0 proven. 259 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-14 04:16:57,777 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2037701366] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:16:57,777 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:16:57,777 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 43 [2021-07-14 04:16:57,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934430545] [2021-07-14 04:16:57,777 INFO L462 AbstractCegarLoop]: Interpolant automaton has 44 states [2021-07-14 04:16:57,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:16:57,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-07-14 04:16:57,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=1700, Unknown=0, NotChecked=0, Total=1892 [2021-07-14 04:16:57,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:16:57,778 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:16:57,779 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 44 states, 44 states have (on average 3.5) internal successors, (154), 43 states have internal predecessors, (154), 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) [2021-07-14 04:16:57,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:16:57,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:16:57,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 04:16:57,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 04:16:57,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:16:57,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 04:16:57,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:16:57,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 04:16:57,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:16:59,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:16:59,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:16:59,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 04:16:59,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 04:16:59,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:16:59,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 04:16:59,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:16:59,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 04:16:59,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:16:59,219 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:16:59,219 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:16:59,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:16:59,220 INFO L82 PathProgramCache]: Analyzing trace with hash 532129726, now seen corresponding path program 10 times [2021-07-14 04:16:59,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:16:59,220 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692916451] [2021-07-14 04:16:59,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:16:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:16:59,791 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-14 04:16:59,791 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:16:59,791 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692916451] [2021-07-14 04:16:59,791 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692916451] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:16:59,791 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [179982671] [2021-07-14 04:16:59,791 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 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 [2021-07-14 04:16:59,849 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 04:16:59,849 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:16:59,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 69 conjunts are in the unsatisfiable core [2021-07-14 04:16:59,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:17:01,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:01,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 31 [2021-07-14 04:17:01,561 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:17:01,567 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-07-14 04:17:01,567 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 31 [2021-07-14 04:17:01,569 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 04:17:01,625 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:17:01,626 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 04:17:01,627 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:241, output treesize:193 [2021-07-14 04:17:02,153 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 92 [2021-07-14 04:17:02,538 INFO L446 ElimStorePlain]: Different costs {1=[v_prenex_9, q3, v_prenex_2, v_prenex_6], 45=[v_prenex_8, q1]} [2021-07-14 04:17:02,547 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-14 04:17:02,547 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 22 [2021-07-14 04:17:02,548 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:17:02,681 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2021-07-14 04:17:02,682 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:17:02,690 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-14 04:17:02,690 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 22 [2021-07-14 04:17:02,691 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 04:17:02,819 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-07-14 04:17:02,819 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:17:02,829 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-14 04:17:02,829 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 24 [2021-07-14 04:17:02,830 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 04:17:02,940 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-07-14 04:17:02,940 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:17:02,947 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-07-14 04:17:02,947 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 24 [2021-07-14 04:17:02,948 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 04:17:03,052 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-07-14 04:17:03,052 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:17:03,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:03,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:03,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:03,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:03,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:03,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:03,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:03,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:03,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:03,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:03,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:03,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:03,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:03,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:03,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:03,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:03,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:03,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:03,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:03,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:03,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:03,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:03,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:03,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:03,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:03,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:03,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:03,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:03,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:03,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:03,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:03,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:03,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:03,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:03,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:03,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:03,111 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 78 treesize of output 36 [2021-07-14 04:17:03,113 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 04:17:03,121 INFO L354 Elim1Store]: treesize reduction 522, result has 0.2 percent of original size [2021-07-14 04:17:03,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 78 treesize of output 36 [2021-07-14 04:17:03,124 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 04:17:03,179 INFO L628 ElimStorePlain]: treesize reduction 170, result has 19.4 percent of original size [2021-07-14 04:17:03,179 INFO L518 ElimStorePlain]: Eliminatee q1 vanished before elimination [2021-07-14 04:17:03,180 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 04:17:03,180 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 12 variables, input treesize:441, output treesize:37 [2021-07-14 04:17:03,333 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-07-14 04:17:03,334 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [179982671] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:17:03,334 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:17:03,334 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 56 [2021-07-14 04:17:03,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914068199] [2021-07-14 04:17:03,335 INFO L462 AbstractCegarLoop]: Interpolant automaton has 57 states [2021-07-14 04:17:03,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:17:03,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-07-14 04:17:03,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=3019, Unknown=0, NotChecked=0, Total=3192 [2021-07-14 04:17:03,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:17:03,337 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:17:03,337 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 57 states, 57 states have (on average 3.3859649122807016) internal successors, (193), 56 states have internal predecessors, (193), 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) [2021-07-14 04:17:03,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:17:03,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:17:03,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 04:17:03,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 04:17:03,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:17:03,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 04:17:03,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:17:03,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 04:17:03,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:17:03,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:17:05,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:17:05,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:17:05,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 04:17:05,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 04:17:05,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:17:05,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 04:17:05,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:17:05,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 04:17:05,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:17:05,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 04:17:05,920 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:17:05,921 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:17:05,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:17:05,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1380372833, now seen corresponding path program 11 times [2021-07-14 04:17:05,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:17:05,921 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136281512] [2021-07-14 04:17:05,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:17:05,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:17:06,596 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 0 proven. 461 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-14 04:17:06,596 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:17:06,596 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136281512] [2021-07-14 04:17:06,596 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136281512] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:17:06,596 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519748145] [2021-07-14 04:17:06,596 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 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 [2021-07-14 04:17:06,665 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 18 check-sat command(s) [2021-07-14 04:17:06,666 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:17:06,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 54 conjunts are in the unsatisfiable core [2021-07-14 04:17:06,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:17:08,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:08,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:08,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:08,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:08,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:08,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:08,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:08,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:08,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:08,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:08,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:08,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:08,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:08,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:08,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:08,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:08,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:08,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:08,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:08,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:08,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:08,174 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:17:08,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:08,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:08,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:08,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:08,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:08,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:08,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:08,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:08,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:08,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:08,181 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 62 treesize of output 28 [2021-07-14 04:17:08,184 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:17:08,188 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:17:08,189 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 04:17:08,190 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:77, output treesize:9 [2021-07-14 04:17:08,315 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 11 treesize of output 7 [2021-07-14 04:17:08,317 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:17:08,318 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:17:08,318 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 04:17:08,318 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-14 04:17:08,328 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-14 04:17:08,328 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1519748145] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:17:08,328 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:17:08,328 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 32] total 53 [2021-07-14 04:17:08,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520818752] [2021-07-14 04:17:08,328 INFO L462 AbstractCegarLoop]: Interpolant automaton has 54 states [2021-07-14 04:17:08,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:17:08,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-07-14 04:17:08,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=2725, Unknown=0, NotChecked=0, Total=2862 [2021-07-14 04:17:08,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:17:08,329 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:17:08,330 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 54 states, 54 states have (on average 3.1666666666666665) internal successors, (171), 53 states have internal predecessors, (171), 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) [2021-07-14 04:17:08,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:17:08,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:17:08,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 04:17:08,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 04:17:08,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:17:08,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 04:17:08,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:17:08,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 04:17:08,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:17:08,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 04:17:08,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:17:10,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:17:10,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:17:10,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 04:17:10,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 04:17:10,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:17:10,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 04:17:10,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:17:10,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 04:17:10,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:17:10,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 04:17:10,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 04:17:10,780 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2021-07-14 04:17:10,781 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:17:10,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:17:10,781 INFO L82 PathProgramCache]: Analyzing trace with hash 2473954, now seen corresponding path program 12 times [2021-07-14 04:17:10,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:17:10,781 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650452910] [2021-07-14 04:17:10,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:17:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:17:11,580 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 544 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-14 04:17:11,581 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:17:11,581 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650452910] [2021-07-14 04:17:11,581 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650452910] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:17:11,581 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [704234862] [2021-07-14 04:17:11,581 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 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 [2021-07-14 04:17:11,660 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2021-07-14 04:17:11,660 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:17:11,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 67 conjunts are in the unsatisfiable core [2021-07-14 04:17:11,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:17:13,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:13,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:13,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:13,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:13,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:13,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:13,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:13,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:13,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:13,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:13,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:13,716 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:17:13,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:13,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:13,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:13,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:13,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:13,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:13,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:13,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:13,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:13,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:13,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:13,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:13,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:13,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:13,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:13,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:13,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:13,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:13,727 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 68 treesize of output 34 [2021-07-14 04:17:13,730 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:17:13,735 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:17:13,736 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 04:17:13,736 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:83, output treesize:13 [2021-07-14 04:17:13,979 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 11 treesize of output 7 [2021-07-14 04:17:13,980 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:17:13,981 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:17:13,981 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 04:17:13,981 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-14 04:17:13,994 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 546 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 04:17:13,994 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [704234862] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:17:13,994 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:17:13,994 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 38] total 65 [2021-07-14 04:17:13,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409551912] [2021-07-14 04:17:13,995 INFO L462 AbstractCegarLoop]: Interpolant automaton has 66 states [2021-07-14 04:17:13,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:17:13,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-07-14 04:17:13,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=4125, Unknown=0, NotChecked=0, Total=4290 [2021-07-14 04:17:13,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:17:13,996 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:17:13,996 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 66 states, 66 states have (on average 3.212121212121212) internal successors, (212), 65 states have internal predecessors, (212), 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) [2021-07-14 04:17:13,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:17:13,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:17:13,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 04:17:13,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 04:17:13,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:17:13,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 04:17:13,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:17:13,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 04:17:13,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:17:13,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 04:17:13,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 04:17:13,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:17:17,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:17:17,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:17:17,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 04:17:17,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 04:17:17,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:17:17,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 04:17:17,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:17:17,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 04:17:17,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:17:17,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 04:17:17,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 04:17:17,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 04:17:17,264 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:17:17,265 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:17:17,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:17:17,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1428666431, now seen corresponding path program 13 times [2021-07-14 04:17:17,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:17:17,265 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184039402] [2021-07-14 04:17:17,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:17:17,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:17:17,457 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 358 proven. 64 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-07-14 04:17:17,457 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:17:17,457 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184039402] [2021-07-14 04:17:17,457 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184039402] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:17:17,457 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1997014891] [2021-07-14 04:17:17,458 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 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 [2021-07-14 04:17:17,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:17:17,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-14 04:17:17,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:17:17,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:17,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:17,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:17,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:17,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:17,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:17,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:17,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:17,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:17,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:17,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:17,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:17,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:17,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:17,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:17,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:17,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:17,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:17,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:17,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:17,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:17,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:17,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:17,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:17,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:17,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:17,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:17,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:17,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 25 [2021-07-14 04:17:17,705 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:17:17,706 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:17:17,707 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 04:17:17,707 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:62, output treesize:5 [2021-07-14 04:17:17,812 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 358 proven. 64 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-07-14 04:17:17,812 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1997014891] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:17:17,812 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:17:17,812 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18] total 25 [2021-07-14 04:17:17,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492444702] [2021-07-14 04:17:17,812 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-14 04:17:17,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:17:17,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-14 04:17:17,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=430, Unknown=0, NotChecked=0, Total=650 [2021-07-14 04:17:17,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:17:17,813 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:17:17,813 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.115384615384615) internal successors, (107), 25 states have internal predecessors, (107), 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) [2021-07-14 04:17:17,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:17:17,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:17:17,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 04:17:17,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 04:17:17,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:17:17,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 04:17:17,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:17:17,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 04:17:17,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:17:17,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 04:17:17,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 04:17:17,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 04:17:17,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:17:17,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:17:17,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:17:17,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 04:17:17,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 04:17:17,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:17:17,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 04:17:17,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:17:17,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 04:17:17,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:17:17,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 04:17:17,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 04:17:17,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 04:17:17,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:17:18,164 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2021-07-14 04:17:18,164 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:17:18,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:17:18,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1593357089, now seen corresponding path program 14 times [2021-07-14 04:17:18,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:17:18,165 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917133691] [2021-07-14 04:17:18,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:17:18,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:17:18,981 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 87 proven. 576 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-14 04:17:18,982 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:17:18,982 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917133691] [2021-07-14 04:17:18,982 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917133691] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:17:18,982 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016033192] [2021-07-14 04:17:18,982 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 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 [2021-07-14 04:17:19,046 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 04:17:19,046 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:17:19,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 71 conjunts are in the unsatisfiable core [2021-07-14 04:17:19,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:17:20,431 INFO L354 Elim1Store]: treesize reduction 432, result has 0.2 percent of original size [2021-07-14 04:17:20,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 71 treesize of output 31 [2021-07-14 04:17:20,434 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:17:20,437 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:17:20,438 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 04:17:20,438 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:76, output treesize:9 [2021-07-14 04:17:20,553 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 15 treesize of output 7 [2021-07-14 04:17:20,554 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:17:20,555 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:17:20,556 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 04:17:20,556 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2021-07-14 04:17:20,567 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 0 proven. 663 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-14 04:17:20,567 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2016033192] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:17:20,567 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:17:20,567 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 39] total 67 [2021-07-14 04:17:20,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228573665] [2021-07-14 04:17:20,567 INFO L462 AbstractCegarLoop]: Interpolant automaton has 68 states [2021-07-14 04:17:20,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:17:20,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2021-07-14 04:17:20,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=419, Invalid=4137, Unknown=0, NotChecked=0, Total=4556 [2021-07-14 04:17:20,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:17:20,569 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:17:20,569 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 68 states, 68 states have (on average 3.0441176470588234) internal successors, (207), 67 states have internal predecessors, (207), 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) [2021-07-14 04:17:20,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:17:20,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:17:20,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 04:17:20,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 04:17:20,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:17:20,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 04:17:20,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:17:20,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 04:17:20,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:17:20,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 04:17:20,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 04:17:20,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 04:17:20,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:17:20,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:17:23,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:17:23,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:17:23,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 04:17:23,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 04:17:23,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:17:23,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 04:17:23,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:17:23,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 04:17:23,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:17:23,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 04:17:23,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 04:17:23,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 04:17:23,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:17:23,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:17:23,555 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:17:23,555 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:17:23,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:17:23,555 INFO L82 PathProgramCache]: Analyzing trace with hash -1450968570, now seen corresponding path program 15 times [2021-07-14 04:17:23,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:17:23,555 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749954342] [2021-07-14 04:17:23,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:17:23,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:17:24,788 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 0 proven. 794 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-14 04:17:24,789 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:17:24,789 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749954342] [2021-07-14 04:17:24,789 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749954342] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:17:24,789 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532705989] [2021-07-14 04:17:24,789 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 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 [2021-07-14 04:17:24,888 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2021-07-14 04:17:24,889 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:17:24,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 74 conjunts are in the unsatisfiable core [2021-07-14 04:17:24,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:17:26,887 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 93 [2021-07-14 04:17:27,216 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2021-07-14 04:17:27,589 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2021-07-14 04:17:27,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:27,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 31 [2021-07-14 04:17:27,816 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:17:27,822 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-07-14 04:17:27,822 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 31 [2021-07-14 04:17:27,823 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 04:17:27,897 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:17:27,898 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 04:17:27,899 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:297, output treesize:249 [2021-07-14 04:17:28,748 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2021-07-14 04:17:29,058 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-07-14 04:17:29,250 INFO L446 ElimStorePlain]: Different costs {1=[q3, v_prenex_13, v_prenex_11, v_prenex_18, v_prenex_15], 91=[v_prenex_17], 105=[q1]} [2021-07-14 04:17:29,259 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-07-14 04:17:29,260 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 20 [2021-07-14 04:17:29,260 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:17:29,492 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2021-07-14 04:17:29,493 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:17:29,501 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-14 04:17:29,501 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 15 [2021-07-14 04:17:29,503 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 04:17:29,719 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2021-07-14 04:17:29,719 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:17:29,728 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-14 04:17:29,728 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 18 [2021-07-14 04:17:29,729 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 04:17:29,941 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2021-07-14 04:17:29,941 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:17:29,949 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-14 04:17:29,949 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 20 [2021-07-14 04:17:29,950 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 04:17:30,156 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2021-07-14 04:17:30,156 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:17:30,164 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-14 04:17:30,164 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 18 [2021-07-14 04:17:30,169 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 04:17:30,364 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2021-07-14 04:17:30,364 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:17:30,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 78 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 53 [2021-07-14 04:17:30,470 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 04:17:30,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 53 [2021-07-14 04:17:30,537 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 04:17:30,659 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-07-14 04:17:30,659 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:17:30,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,792 INFO L244 Elim1Store]: Index analysis took 129 ms [2021-07-14 04:17:30,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 78 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 53 [2021-07-14 04:17:30,796 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 04:17:30,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:30,926 INFO L244 Elim1Store]: Index analysis took 127 ms [2021-07-14 04:17:30,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 53 [2021-07-14 04:17:30,932 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 04:17:30,940 INFO L354 Elim1Store]: treesize reduction 1260, result has 0.1 percent of original size [2021-07-14 04:17:30,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 115 treesize of output 51 [2021-07-14 04:17:30,944 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 04:17:30,982 INFO L628 ElimStorePlain]: treesize reduction 28, result has 63.2 percent of original size [2021-07-14 04:17:30,983 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 7 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 04:17:30,983 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 12 variables, input treesize:711, output treesize:48 [2021-07-14 04:17:31,369 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 8 proven. 490 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2021-07-14 04:17:31,369 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [532705989] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:17:31,369 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:17:31,370 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 31] total 75 [2021-07-14 04:17:31,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329544437] [2021-07-14 04:17:31,370 INFO L462 AbstractCegarLoop]: Interpolant automaton has 76 states [2021-07-14 04:17:31,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:17:31,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2021-07-14 04:17:31,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=257, Invalid=5443, Unknown=0, NotChecked=0, Total=5700 [2021-07-14 04:17:31,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:17:31,371 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:17:31,372 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 76 states, 76 states have (on average 3.0789473684210527) internal successors, (234), 75 states have internal predecessors, (234), 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) [2021-07-14 04:17:31,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:17:31,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:17:31,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 04:17:31,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 04:17:31,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:17:31,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 04:17:31,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:17:31,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 04:17:31,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:17:31,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 04:17:31,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 04:17:31,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 04:17:31,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:17:31,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:17:31,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:17:35,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:17:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:17:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 04:17:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 04:17:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:17:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 04:17:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:17:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 04:17:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:17:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 04:17:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 04:17:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 04:17:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:17:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:17:35,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 04:17:35,456 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-07-14 04:17:35,456 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:17:35,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:17:35,457 INFO L82 PathProgramCache]: Analyzing trace with hash 533773927, now seen corresponding path program 16 times [2021-07-14 04:17:35,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:17:35,457 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881493101] [2021-07-14 04:17:35,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:17:35,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:17:36,813 INFO L134 CoverageAnalysis]: Checked inductivity of 978 backedges. 0 proven. 969 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-14 04:17:36,814 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:17:36,814 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881493101] [2021-07-14 04:17:36,814 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881493101] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:17:36,814 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165471399] [2021-07-14 04:17:36,814 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 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 [2021-07-14 04:17:36,888 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 04:17:36,888 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:17:36,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 81 conjunts are in the unsatisfiable core [2021-07-14 04:17:36,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:17:40,212 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:17:40,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:40,245 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 83 treesize of output 37 [2021-07-14 04:17:40,248 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:17:40,253 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:17:40,254 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 04:17:40,254 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:9 [2021-07-14 04:17:40,437 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 11 treesize of output 7 [2021-07-14 04:17:40,438 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:17:40,439 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:17:40,439 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 04:17:40,439 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-14 04:17:40,450 INFO L134 CoverageAnalysis]: Checked inductivity of 978 backedges. 0 proven. 969 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-14 04:17:40,450 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [165471399] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:17:40,450 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:17:40,450 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 47] total 80 [2021-07-14 04:17:40,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198923571] [2021-07-14 04:17:40,450 INFO L462 AbstractCegarLoop]: Interpolant automaton has 81 states [2021-07-14 04:17:40,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:17:40,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2021-07-14 04:17:40,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=200, Invalid=6280, Unknown=0, NotChecked=0, Total=6480 [2021-07-14 04:17:40,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:17:40,452 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:17:40,452 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 81 states, 81 states have (on average 3.037037037037037) internal successors, (246), 80 states have internal predecessors, (246), 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) [2021-07-14 04:17:40,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:17:40,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:17:40,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 04:17:40,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 04:17:40,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:17:40,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 04:17:40,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:17:40,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 04:17:40,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:17:40,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 04:17:40,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 04:17:40,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 04:17:40,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:17:40,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:17:40,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 04:17:40,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:17:45,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:17:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:17:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 04:17:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 04:17:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:17:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 04:17:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:17:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 04:17:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:17:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 04:17:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 04:17:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 04:17:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:17:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:17:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 04:17:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 04:17:45,421 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2021-07-14 04:17:45,422 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:17:45,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:17:45,422 INFO L82 PathProgramCache]: Analyzing trace with hash -1610656214, now seen corresponding path program 17 times [2021-07-14 04:17:45,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:17:45,422 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294798428] [2021-07-14 04:17:45,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:17:45,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:17:46,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 0 proven. 1092 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-14 04:17:46,923 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:17:46,923 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294798428] [2021-07-14 04:17:46,923 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294798428] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:17:46,923 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863178410] [2021-07-14 04:17:46,923 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 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 [2021-07-14 04:17:47,018 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 23 check-sat command(s) [2021-07-14 04:17:47,018 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:17:47,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 88 conjunts are in the unsatisfiable core [2021-07-14 04:17:47,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:17:50,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,846 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:17:50,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:50,894 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 90 treesize of output 40 [2021-07-14 04:17:50,897 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:17:50,902 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:17:50,903 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 04:17:50,903 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:105, output treesize:9 [2021-07-14 04:17:51,077 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 11 treesize of output 7 [2021-07-14 04:17:51,077 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:17:51,078 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:17:51,079 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 04:17:51,079 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-14 04:17:51,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 0 proven. 1092 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-14 04:17:51,089 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [863178410] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:17:51,089 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:17:51,089 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 51] total 87 [2021-07-14 04:17:51,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546505665] [2021-07-14 04:17:51,090 INFO L462 AbstractCegarLoop]: Interpolant automaton has 88 states [2021-07-14 04:17:51,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:17:51,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2021-07-14 04:17:51,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=218, Invalid=7438, Unknown=0, NotChecked=0, Total=7656 [2021-07-14 04:17:51,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:17:51,092 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:17:51,092 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 88 states, 88 states have (on average 2.9886363636363638) internal successors, (263), 87 states have internal predecessors, (263), 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) [2021-07-14 04:17:51,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:17:51,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:17:51,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 04:17:51,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 04:17:51,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:17:51,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 04:17:51,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:17:51,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 04:17:51,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:17:51,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 04:17:51,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 04:17:51,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 04:17:51,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:17:51,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:17:51,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 04:17:51,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 04:17:51,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:17:56,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:17:56,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:17:56,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 04:17:56,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 04:17:56,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:17:56,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 04:17:56,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:17:56,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 04:17:56,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:17:56,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 04:17:56,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 04:17:56,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 04:17:56,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:17:56,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:17:56,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 04:17:56,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 04:17:56,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 04:17:56,710 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:17:56,710 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:17:56,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:17:56,711 INFO L82 PathProgramCache]: Analyzing trace with hash 2054374407, now seen corresponding path program 18 times [2021-07-14 04:17:56,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:17:56,711 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100971142] [2021-07-14 04:17:56,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:17:56,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:17:57,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 652 proven. 144 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2021-07-14 04:17:57,036 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:17:57,036 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100971142] [2021-07-14 04:17:57,036 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100971142] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:17:57,036 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215547315] [2021-07-14 04:17:57,036 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 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 [2021-07-14 04:17:57,148 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 24 check-sat command(s) [2021-07-14 04:17:57,148 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:17:57,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-14 04:17:57,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:17:57,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:17:57,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 66 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 37 [2021-07-14 04:17:57,471 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:17:57,472 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:17:57,473 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 04:17:57,473 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:5 [2021-07-14 04:17:57,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 652 proven. 144 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2021-07-14 04:17:57,614 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [215547315] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:17:57,614 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:17:57,614 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 26] total 37 [2021-07-14 04:17:57,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418594527] [2021-07-14 04:17:57,614 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-07-14 04:17:57,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:17:57,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-07-14 04:17:57,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=450, Invalid=956, Unknown=0, NotChecked=0, Total=1406 [2021-07-14 04:17:57,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:17:57,615 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:17:57,615 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 3.763157894736842) internal successors, (143), 37 states have internal predecessors, (143), 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) [2021-07-14 04:17:57,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:17:57,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:17:57,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 04:17:57,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 04:17:57,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:17:57,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 04:17:57,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:17:57,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 04:17:57,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:17:57,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 04:17:57,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 04:17:57,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 04:17:57,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:17:57,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:17:57,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 04:17:57,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 04:17:57,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 04:17:57,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:17:57,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:17:57,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:17:57,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 04:17:57,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 04:17:57,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:17:57,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 04:17:57,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:17:57,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 04:17:57,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:17:57,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 04:17:57,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 04:17:57,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 04:17:57,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:17:57,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:17:57,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 04:17:57,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 04:17:57,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 04:17:57,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:17:58,038 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable61 [2021-07-14 04:17:58,039 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:17:58,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:17:58,039 INFO L82 PathProgramCache]: Analyzing trace with hash -1675480343, now seen corresponding path program 19 times [2021-07-14 04:17:58,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:17:58,039 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084287203] [2021-07-14 04:17:58,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:17:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:17:59,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1267 backedges. 0 proven. 1259 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-14 04:17:59,554 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:17:59,554 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084287203] [2021-07-14 04:17:59,554 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084287203] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:17:59,554 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1792924070] [2021-07-14 04:17:59,554 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 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 [2021-07-14 04:17:59,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:17:59,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 105 conjunts are in the unsatisfiable core [2021-07-14 04:17:59,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:18:03,408 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 102 [2021-07-14 04:18:03,724 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 109 [2021-07-14 04:18:04,401 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2021-07-14 04:18:04,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:04,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 31 [2021-07-14 04:18:04,686 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:18:04,691 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-07-14 04:18:04,692 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 31 [2021-07-14 04:18:04,693 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 04:18:04,783 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:18:04,785 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 04:18:04,785 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:339, output treesize:291 [2021-07-14 04:18:05,776 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2021-07-14 04:18:06,101 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-07-14 04:18:06,311 INFO L446 ElimStorePlain]: Different costs {1=[v_prenex_25, v_prenex_23, v_prenex_28], 3=[q3], 120=[q1], 153=[v_prenex_27]} [2021-07-14 04:18:06,319 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-14 04:18:06,319 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 22 [2021-07-14 04:18:06,320 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:18:06,580 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-07-14 04:18:06,581 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:18:06,589 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-14 04:18:06,589 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 24 [2021-07-14 04:18:06,590 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 04:18:06,842 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-07-14 04:18:06,843 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:18:06,884 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-14 04:18:06,884 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 22 [2021-07-14 04:18:06,885 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 04:18:07,129 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2021-07-14 04:18:07,130 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:18:07,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-07-14 04:18:07,140 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 04:18:07,147 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-07-14 04:18:07,147 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 24 [2021-07-14 04:18:07,148 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 04:18:07,375 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2021-07-14 04:18:07,375 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:18:07,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,528 INFO L244 Elim1Store]: Index analysis took 148 ms [2021-07-14 04:18:07,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 120 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 57 [2021-07-14 04:18:07,534 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 04:18:07,545 INFO L354 Elim1Store]: treesize reduction 1260, result has 0.1 percent of original size [2021-07-14 04:18:07,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 106 treesize of output 46 [2021-07-14 04:18:07,550 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 04:18:07,757 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 103 [2021-07-14 04:18:07,758 INFO L628 ElimStorePlain]: treesize reduction 135, result has 69.1 percent of original size [2021-07-14 04:18:07,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:18:07,921 INFO L244 Elim1Store]: Index analysis took 160 ms [2021-07-14 04:18:07,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 136 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 57 [2021-07-14 04:18:07,930 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 04:18:07,941 INFO L354 Elim1Store]: treesize reduction 1632, result has 0.1 percent of original size [2021-07-14 04:18:07,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 0 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 136 case distinctions, treesize of input 129 treesize of output 57 [2021-07-14 04:18:07,947 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 04:18:07,988 INFO L628 ElimStorePlain]: treesize reduction 12, result has 79.3 percent of original size [2021-07-14 04:18:07,989 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 04:18:07,989 INFO L247 ElimStorePlain]: Needed 10 recursive calls to eliminate 12 variables, input treesize:789, output treesize:42 [2021-07-14 04:18:08,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1267 backedges. 0 proven. 959 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2021-07-14 04:18:08,237 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1792924070] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:18:08,237 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:18:08,237 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 44] total 100 [2021-07-14 04:18:08,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836808119] [2021-07-14 04:18:08,237 INFO L462 AbstractCegarLoop]: Interpolant automaton has 101 states [2021-07-14 04:18:08,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:18:08,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2021-07-14 04:18:08,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=479, Invalid=9621, Unknown=0, NotChecked=0, Total=10100 [2021-07-14 04:18:08,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:18:08,239 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:18:08,240 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 101 states, 101 states have (on average 3.227722772277228) internal successors, (326), 100 states have internal predecessors, (326), 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) [2021-07-14 04:18:08,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:18:08,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:18:08,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 04:18:08,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 04:18:08,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:18:08,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 04:18:08,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:18:08,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 04:18:08,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:18:08,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 04:18:08,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 04:18:08,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 04:18:08,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:18:08,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:18:08,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 04:18:08,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 04:18:08,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 04:18:08,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:18:08,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:18:10,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:18:10,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:18:10,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 04:18:10,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 04:18:10,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:18:10,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 04:18:10,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:18:10,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 04:18:10,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:18:10,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 04:18:10,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 04:18:10,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 04:18:10,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:18:10,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:18:10,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 04:18:10,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 04:18:10,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 04:18:10,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:18:10,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 04:18:10,699 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:18:10,700 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:18:10,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:18:10,700 INFO L82 PathProgramCache]: Analyzing trace with hash -825647315, now seen corresponding path program 20 times [2021-07-14 04:18:10,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:18:10,700 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019240102] [2021-07-14 04:18:10,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:18:10,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:18:11,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1343 backedges. 92 proven. 935 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2021-07-14 04:18:11,393 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:18:11,394 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019240102] [2021-07-14 04:18:11,394 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019240102] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:18:11,394 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [421772434] [2021-07-14 04:18:11,394 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 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 [2021-07-14 04:18:11,474 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 04:18:11,474 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:18:11,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 97 conjunts are in the unsatisfiable core [2021-07-14 04:18:11,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:18:14,364 INFO L354 Elim1Store]: treesize reduction 912, result has 0.1 percent of original size [2021-07-14 04:18:14,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 95 treesize of output 43 [2021-07-14 04:18:14,368 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:18:14,371 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:18:14,371 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 04:18:14,371 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:100, output treesize:9 [2021-07-14 04:18:15,205 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 15 treesize of output 7 [2021-07-14 04:18:15,206 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:18:15,207 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:18:15,207 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 04:18:15,207 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2021-07-14 04:18:15,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1343 backedges. 0 proven. 1331 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-07-14 04:18:15,329 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [421772434] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:18:15,329 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:18:15,329 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 55] total 88 [2021-07-14 04:18:15,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974305663] [2021-07-14 04:18:15,330 INFO L462 AbstractCegarLoop]: Interpolant automaton has 89 states [2021-07-14 04:18:15,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:18:15,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2021-07-14 04:18:15,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=452, Invalid=7380, Unknown=0, NotChecked=0, Total=7832 [2021-07-14 04:18:15,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:18:15,332 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:18:15,332 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 89 states, 89 states have (on average 3.606741573033708) internal successors, (321), 88 states have internal predecessors, (321), 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) [2021-07-14 04:18:15,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:18:15,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:18:15,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 04:18:15,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 04:18:15,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:18:15,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 04:18:15,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:18:15,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 04:18:15,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:18:15,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 04:18:15,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 04:18:15,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 04:18:15,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:18:15,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:18:15,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 04:18:15,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 04:18:15,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 04:18:15,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:18:15,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 04:18:15,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:18:23,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:18:23,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:18:23,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 04:18:23,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 04:18:23,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:18:23,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 04:18:23,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 04:18:23,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 04:18:23,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:18:23,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 04:18:23,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 04:18:23,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 04:18:23,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:18:23,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:18:23,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 04:18:23,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 04:18:23,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 04:18:23,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:18:23,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 04:18:23,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 04:18:23,493 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,21 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:18:23,493 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:18:23,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:18:23,493 INFO L82 PathProgramCache]: Analyzing trace with hash 2083988496, now seen corresponding path program 21 times [2021-07-14 04:18:23,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:18:23,493 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015286337] [2021-07-14 04:18:23,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:18:23,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown