/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-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-subst.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 06:15:09,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 06:15:09,046 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 06:15:09,082 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 06:15:09,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 06:15:09,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 06:15:09,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 06:15:09,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 06:15:09,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 06:15:09,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 06:15:09,109 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 06:15:09,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 06:15:09,111 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 06:15:09,114 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 06:15:09,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 06:15:09,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 06:15:09,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-14 06:15:09,126 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-Lockstep.epf [2021-07-14 06:15:09,153 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 06:15:09,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 06:15:09,154 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 06:15:09,154 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 06:15:09,156 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 06:15:09,156 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 06:15:09,156 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 06:15:09,156 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 06:15:09,157 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 06:15:09,157 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 06:15:09,157 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 06:15:09,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 06:15:09,157 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 06:15:09,158 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 06:15:09,158 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 06:15:09,158 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 06:15:09,158 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 06:15:09,158 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 06:15:09,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 06:15:09,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 06:15:09,158 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 06:15:09,158 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 06:15:09,158 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 06:15:09,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 06:15:09,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 06:15:09,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 06:15:09,159 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 06:15:09,159 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 06:15:09,159 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 06:15:09,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 06:15:09,159 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 06:15:09,159 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 06:15:09,159 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 06:15:09,159 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-14 06:15:09,159 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 06:15:09,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 06:15:09,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 06:15:09,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 06:15:09,463 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 06:15:09,464 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 06:15:09,464 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-subst.wvr.bpl [2021-07-14 06:15:09,476 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-subst.wvr.bpl' [2021-07-14 06:15:09,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 06:15:09,517 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 06:15:09,517 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 06:15:09,518 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 06:15:09,518 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 06:15:09,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:15:09" (1/1) ... [2021-07-14 06:15:09,532 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:15:09" (1/1) ... [2021-07-14 06:15:09,538 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 06:15:09,539 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 06:15:09,539 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 06:15:09,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 06:15:09,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:15:09" (1/1) ... [2021-07-14 06:15:09,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:15:09" (1/1) ... [2021-07-14 06:15:09,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:15:09" (1/1) ... [2021-07-14 06:15:09,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:15:09" (1/1) ... [2021-07-14 06:15:09,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:15:09" (1/1) ... [2021-07-14 06:15:09,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:15:09" (1/1) ... [2021-07-14 06:15:09,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:15:09" (1/1) ... [2021-07-14 06:15:09,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 06:15:09,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 06:15:09,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 06:15:09,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 06:15:09,574 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:15:09" (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 06:15:09,619 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 06:15:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 06:15:09,619 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 06:15:09,619 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 06:15:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 06:15:09,619 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 06:15:09,619 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 06:15:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 06:15:09,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 06:15:09,620 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 06:15:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 06:15:09,620 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 06:15:09,620 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 06:15:09,899 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 06:15:09,899 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-07-14 06:15:09,900 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-14 06:15:09,900 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-14 06:15:09,900 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2021-07-14 06:15:09,902 INFO L202 PluginConnector]: Adding new model array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 06:15:09 BoogieIcfgContainer [2021-07-14 06:15:09,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 06:15:09,903 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 06:15:09,903 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 06:15:09,905 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 06:15:09,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:15:09" (1/2) ... [2021-07-14 06:15:09,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ed35918 and model type array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 06:15:09, skipping insertion in model container [2021-07-14 06:15:09,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 06:15:09" (2/2) ... [2021-07-14 06:15:09,907 INFO L111 eAbstractionObserver]: Analyzing ICFG array-int-subst.wvr.bpl [2021-07-14 06:15:09,910 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 06:15:09,910 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 06:15:09,910 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 06:15:09,911 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 06:15:09,939 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-14 06:15:09,961 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 06:15:09,998 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 06:15:09,998 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 06:15:09,998 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 06:15:09,998 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 06:15:09,998 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 06:15:09,999 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 06:15:09,999 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 06:15:09,999 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 06:15:10,022 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:15:10,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:15:10,025 INFO L82 PathProgramCache]: Analyzing trace with hash -42090620, now seen corresponding path program 1 times [2021-07-14 06:15:10,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:15:10,031 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498023753] [2021-07-14 06:15:10,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:15:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:15:10,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:15:10,158 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:15:10,158 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498023753] [2021-07-14 06:15:10,159 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498023753] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 06:15:10,159 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 06:15:10,159 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-14 06:15:10,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355667310] [2021-07-14 06:15:10,163 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 06:15:10,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:15:10,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 06:15:10,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-14 06:15:10,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:15:10,183 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:15:10,185 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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 06:15:10,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:15:10,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:15:10,252 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 06:15:10,252 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:15:10,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:15:10,255 INFO L82 PathProgramCache]: Analyzing trace with hash 81600902, now seen corresponding path program 1 times [2021-07-14 06:15:10,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:15:10,255 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524805876] [2021-07-14 06:15:10,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:15:10,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:15:10,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:15:10,361 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:15:10,361 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524805876] [2021-07-14 06:15:10,361 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524805876] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:15:10,361 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848099465] [2021-07-14 06:15:10,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:15:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:15:10,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 06:15:10,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:15:10,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:15:10,594 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1848099465] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:15:10,595 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:15:10,595 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2021-07-14 06:15:10,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178949124] [2021-07-14 06:15:10,596 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 06:15:10,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:15:10,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 06:15:10,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-07-14 06:15:10,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:15:10,598 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:15:10,598 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 10 states have internal predecessors, (26), 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 06:15:10,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:15:10,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:15:10,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:15:10,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:15:11,012 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:15:11,013 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:15:11,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:15:11,013 INFO L82 PathProgramCache]: Analyzing trace with hash -1304149036, now seen corresponding path program 1 times [2021-07-14 06:15:11,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:15:11,014 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110800610] [2021-07-14 06:15:11,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:15:11,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:15:11,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:15:11,119 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:15:11,119 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110800610] [2021-07-14 06:15:11,119 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110800610] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:15:11,119 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066704433] [2021-07-14 06:15:11,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:15:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:15:11,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 06:15:11,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:15:11,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:15:11,253 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2066704433] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:15:11,253 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:15:11,253 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2021-07-14 06:15:11,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482398880] [2021-07-14 06:15:11,254 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 06:15:11,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:15:11,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 06:15:11,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-07-14 06:15:11,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:15:11,254 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:15:11,255 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 10 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:15:11,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:15:11,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:15:11,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:15:11,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:15:11,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:15:11,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:11,794 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:15:11,794 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:15:11,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:15:11,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1174799266, now seen corresponding path program 1 times [2021-07-14 06:15:11,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:15:11,795 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360755956] [2021-07-14 06:15:11,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:15:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:15:11,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:15:11,934 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:15:11,934 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360755956] [2021-07-14 06:15:11,934 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360755956] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:15:11,934 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1176648967] [2021-07-14 06:15:11,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 06:15:11,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:15:11,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-14 06:15:11,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:15:12,070 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:15:12,071 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1176648967] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:15:12,071 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:15:12,071 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-14 06:15:12,071 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555515255] [2021-07-14 06:15:12,071 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 06:15:12,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:15:12,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 06:15:12,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-07-14 06:15:12,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:15:12,072 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:15:12,072 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 12 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 06:15:12,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:15:12,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:15:12,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:12,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:15:12,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:15:12,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:15:12,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:12,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:15:12,422 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:15:12,422 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:15:12,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:15:12,422 INFO L82 PathProgramCache]: Analyzing trace with hash -849518296, now seen corresponding path program 1 times [2021-07-14 06:15:12,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:15:12,423 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528535666] [2021-07-14 06:15:12,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:15:12,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:15:12,478 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:15:12,478 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:15:12,479 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528535666] [2021-07-14 06:15:12,479 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528535666] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:15:12,479 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1038779189] [2021-07-14 06:15:12,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 06:15:12,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:15:12,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 06:15:12,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:15:12,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:15:12,573 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1038779189] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:15:12,574 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:15:12,574 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-07-14 06:15:12,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972883524] [2021-07-14 06:15:12,574 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 06:15:12,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:15:12,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 06:15:12,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-07-14 06:15:12,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:15:12,575 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:15:12,575 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:15:12,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:15:12,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:15:12,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:12,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:15:12,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:15:12,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:15:12,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:15:12,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:12,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:15:12,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:12,876 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-07-14 06:15:12,877 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:15:12,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:15:12,877 INFO L82 PathProgramCache]: Analyzing trace with hash -564603216, now seen corresponding path program 1 times [2021-07-14 06:15:12,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:15:12,877 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574530030] [2021-07-14 06:15:12,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:15:12,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:15:13,263 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:15:13,264 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:15:13,264 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574530030] [2021-07-14 06:15:13,264 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574530030] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:15:13,264 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350676221] [2021-07-14 06:15:13,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 06:15:13,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:15:13,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 30 conjunts are in the unsatisfiable core [2021-07-14 06:15:13,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:15:13,542 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 11 [2021-07-14 06:15:13,543 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:13,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-14 06:15:13,554 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:13,557 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 11 [2021-07-14 06:15:13,559 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:13,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-14 06:15:13,565 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:13,615 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:15:13,618 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 25 treesize of output 19 [2021-07-14 06:15:13,620 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:13,622 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 27 treesize of output 21 [2021-07-14 06:15:13,624 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:13,656 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:15:13,678 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-07-14 06:15:13,679 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:181, output treesize:133 [2021-07-14 06:15:13,873 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 27 treesize of output 21 [2021-07-14 06:15:13,874 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:13,878 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 17 treesize of output 13 [2021-07-14 06:15:13,878 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:13,948 INFO L628 ElimStorePlain]: treesize reduction 88, result has 54.6 percent of original size [2021-07-14 06:15:13,949 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 06:15:13,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2021-07-14 06:15:13,953 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:13,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2021-07-14 06:15:13,956 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:13,980 INFO L628 ElimStorePlain]: treesize reduction 20, result has 73.7 percent of original size [2021-07-14 06:15:13,983 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 12 treesize of output 8 [2021-07-14 06:15:13,986 INFO L550 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 06:15:13,997 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:15:13,997 INFO L518 ElimStorePlain]: Eliminatee v_prenex_4 vanished before elimination [2021-07-14 06:15:13,997 INFO L518 ElimStorePlain]: Eliminatee v_prenex_5 vanished before elimination [2021-07-14 06:15:14,011 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 27 treesize of output 21 [2021-07-14 06:15:14,025 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:14,036 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:15:14,036 INFO L518 ElimStorePlain]: Eliminatee v_prenex_7 vanished before elimination [2021-07-14 06:15:14,037 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 06:15:14,037 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 8 variables, input treesize:220, output treesize:32 [2021-07-14 06:15:14,077 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:15:14,077 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1350676221] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:15:14,077 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:15:14,077 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 17 [2021-07-14 06:15:14,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038235294] [2021-07-14 06:15:14,078 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 06:15:14,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:15:14,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 06:15:14,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-07-14 06:15:14,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:15:14,079 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:15:14,079 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.8823529411764706) internal successors, (32), 17 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:15:14,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:15:14,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:15:14,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:14,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:15:14,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:14,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:15:14,539 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 74 [2021-07-14 06:15:15,016 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2021-07-14 06:15:15,286 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 84 [2021-07-14 06:15:15,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:15:15,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:15:15,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:15,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:15:15,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:15,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:15:15,509 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:15:15,510 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:15:15,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:15:15,510 INFO L82 PathProgramCache]: Analyzing trace with hash -322170328, now seen corresponding path program 2 times [2021-07-14 06:15:15,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:15:15,510 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210425272] [2021-07-14 06:15:15,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:15:15,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:15:15,591 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 06:15:15,591 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:15:15,591 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210425272] [2021-07-14 06:15:15,591 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210425272] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:15:15,591 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [398912670] [2021-07-14 06:15:15,591 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 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 06:15:15,645 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 06:15:15,645 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:15:15,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-14 06:15:15,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:15:15,682 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 18 treesize of output 14 [2021-07-14 06:15:15,683 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:15,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 06:15:15,688 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:15,697 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:15:15,700 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 10 treesize of output 6 [2021-07-14 06:15:15,702 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 06:15:15,711 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:15:15,715 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:15:15,715 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:41, output treesize:21 [2021-07-14 06:15:15,797 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 06:15:15,797 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [398912670] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:15:15,797 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:15:15,797 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-07-14 06:15:15,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999222450] [2021-07-14 06:15:15,798 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 06:15:15,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:15:15,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 06:15:15,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-07-14 06:15:15,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:15:15,798 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:15:15,799 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 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 06:15:15,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:15:15,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:15:15,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:15,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:15:15,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:15,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:15:15,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:15:16,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:15:16,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:15:16,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:16,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:16,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:16,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:15:16,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:15:16,314 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:15:16,315 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:15:16,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:15:16,315 INFO L82 PathProgramCache]: Analyzing trace with hash 2059699062, now seen corresponding path program 1 times [2021-07-14 06:15:16,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:15:16,315 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566932349] [2021-07-14 06:15:16,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:15:16,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:15:16,353 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:15:16,354 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:15:16,354 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566932349] [2021-07-14 06:15:16,354 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566932349] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:15:16,354 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1291576610] [2021-07-14 06:15:16,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 06:15:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:15:16,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 06:15:16,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:15:16,427 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:15:16,428 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1291576610] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:15:16,428 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:15:16,428 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-07-14 06:15:16,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687990350] [2021-07-14 06:15:16,428 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 06:15:16,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:15:16,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 06:15:16,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-07-14 06:15:16,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:15:16,429 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:15:16,429 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:15:16,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:15:16,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:15:16,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:16,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:16,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:16,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:15:16,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:15:16,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:15:16,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:15:16,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:15:16,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:16,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:16,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:16,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:15:16,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:15:16,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:16,789 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-07-14 06:15:16,789 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:15:16,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:15:16,790 INFO L82 PathProgramCache]: Analyzing trace with hash -2016954926, now seen corresponding path program 3 times [2021-07-14 06:15:16,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:15:16,790 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810698151] [2021-07-14 06:15:16,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:15:16,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:15:17,060 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:15:17,061 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:15:17,061 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810698151] [2021-07-14 06:15:17,061 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810698151] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:15:17,061 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632389198] [2021-07-14 06:15:17,061 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 06:15:17,091 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-07-14 06:15:17,092 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:15:17,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 25 conjunts are in the unsatisfiable core [2021-07-14 06:15:17,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:15:17,169 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:15:17,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:15:17,170 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:17,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-14 06:15:17,173 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:17,191 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:15:17,191 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:15:17,191 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:67, output treesize:49 [2021-07-14 06:15:17,317 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 27 treesize of output 21 [2021-07-14 06:15:17,319 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:17,333 INFO L628 ElimStorePlain]: treesize reduction 25, result has 39.0 percent of original size [2021-07-14 06:15:17,333 INFO L518 ElimStorePlain]: Eliminatee v_prenex_9 vanished before elimination [2021-07-14 06:15:17,334 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 06:15:17,334 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 06:15:17,334 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:15:17,334 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:60, output treesize:16 [2021-07-14 06:15:17,360 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:15:17,360 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [632389198] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:15:17,360 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:15:17,360 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16 [2021-07-14 06:15:17,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433005286] [2021-07-14 06:15:17,361 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-14 06:15:17,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:15:17,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-14 06:15:17,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-07-14 06:15:17,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:15:17,361 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:15:17,362 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.9375) internal successors, (31), 16 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:15:17,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:15:17,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:15:17,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:17,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:17,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:17,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:15:17,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:15:17,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:17,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:15:17,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:15:17,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:15:17,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:17,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:17,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:17,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:15:17,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:15:17,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:17,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:15:17,837 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2021-07-14 06:15:17,837 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:15:17,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:15:17,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1908142036, now seen corresponding path program 4 times [2021-07-14 06:15:17,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:15:17,838 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564998660] [2021-07-14 06:15:17,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:15:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:15:17,960 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:15:17,960 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:15:17,960 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564998660] [2021-07-14 06:15:17,960 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564998660] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:15:17,961 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1633981266] [2021-07-14 06:15:17,961 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 06:15:17,993 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 06:15:17,993 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:15:17,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-14 06:15:17,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:15:18,084 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:15:18,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:15:18,090 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:18,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:15:18,094 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:18,108 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:15:18,109 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:15:18,109 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 06:15:18,193 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:15:18,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:15:18,194 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:18,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:15:18,198 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:18,212 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 06:15:18,212 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 06:15:18,213 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 06:15:18,213 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 06:15:18,238 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:15:18,238 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1633981266] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:15:18,238 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:15:18,238 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 19 [2021-07-14 06:15:18,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288107187] [2021-07-14 06:15:18,239 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 06:15:18,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:15:18,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 06:15:18,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2021-07-14 06:15:18,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:15:18,239 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:15:18,239 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.894736842105263) internal successors, (36), 19 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:15:18,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:15:18,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:15:18,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:18,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:18,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:18,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:15:18,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:15:18,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:18,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:15:18,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:15:18,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:15:18,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:15:18,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:18,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:18,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:18,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:15:18,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:15:18,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:18,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:15:18,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:15:18,820 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-07-14 06:15:18,820 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:15:18,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:15:18,821 INFO L82 PathProgramCache]: Analyzing trace with hash -976478844, now seen corresponding path program 5 times [2021-07-14 06:15:18,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:15:18,821 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646675506] [2021-07-14 06:15:18,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:15:18,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:15:19,192 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:15:19,192 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:15:19,192 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646675506] [2021-07-14 06:15:19,192 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646675506] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:15:19,193 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1725971042] [2021-07-14 06:15:19,193 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 06:15:19,228 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 06:15:19,229 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:15:19,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 45 conjunts are in the unsatisfiable core [2021-07-14 06:15:19,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:15:19,463 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 41 treesize of output 31 [2021-07-14 06:15:19,465 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:19,468 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 39 treesize of output 29 [2021-07-14 06:15:19,470 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:19,473 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 39 treesize of output 29 [2021-07-14 06:15:19,474 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:19,477 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 29 treesize of output 21 [2021-07-14 06:15:19,478 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:19,499 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:15:19,500 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 06:15:19,500 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:156, output treesize:92 [2021-07-14 06:15:19,769 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 24 treesize of output 18 [2021-07-14 06:15:19,771 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:19,817 INFO L628 ElimStorePlain]: treesize reduction 58, result has 64.2 percent of original size [2021-07-14 06:15:19,820 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 26 treesize of output 20 [2021-07-14 06:15:19,822 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:19,839 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:15:19,842 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 06:15:19,847 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 06:15:19,864 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:15:19,867 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 34 treesize of output 26 [2021-07-14 06:15:19,868 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:19,882 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:15:19,885 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 34 treesize of output 26 [2021-07-14 06:15:19,887 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:19,898 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:15:19,898 INFO L518 ElimStorePlain]: Eliminatee v_prenex_12 vanished before elimination [2021-07-14 06:15:19,898 INFO L518 ElimStorePlain]: Eliminatee v_prenex_11 vanished before elimination [2021-07-14 06:15:19,898 INFO L518 ElimStorePlain]: Eliminatee v_prenex_17 vanished before elimination [2021-07-14 06:15:19,898 INFO L518 ElimStorePlain]: Eliminatee v_prenex_16 vanished before elimination [2021-07-14 06:15:19,898 INFO L518 ElimStorePlain]: Eliminatee v_prenex_15 vanished before elimination [2021-07-14 06:15:19,899 INFO L550 ElimStorePlain]: Start of recursive call 1: 10 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 06:15:19,899 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 10 variables, input treesize:176, output treesize:32 [2021-07-14 06:15:19,946 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:15:19,946 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1725971042] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:15:19,946 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:15:19,946 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 22 [2021-07-14 06:15:19,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371021178] [2021-07-14 06:15:19,947 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-14 06:15:19,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:15:19,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-14 06:15:19,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=417, Unknown=0, NotChecked=0, Total=462 [2021-07-14 06:15:19,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:15:19,948 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:15:19,948 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 22 states have internal predecessors, (38), 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 06:15:19,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:15:19,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:15:19,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:19,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:19,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:19,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:15:19,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:15:19,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:19,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:15:19,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:15:19,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:15:20,618 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 55 [2021-07-14 06:15:20,874 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 62 [2021-07-14 06:15:21,219 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 73 [2021-07-14 06:15:21,468 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 74 [2021-07-14 06:15:21,662 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 76 [2021-07-14 06:15:21,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:15:21,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:15:21,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:21,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:21,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:21,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:15:21,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:15:21,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:21,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:15:21,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:15:21,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:15:21,894 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51 [2021-07-14 06:15:21,895 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:15:21,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:15:21,895 INFO L82 PathProgramCache]: Analyzing trace with hash -205412908, now seen corresponding path program 6 times [2021-07-14 06:15:21,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:15:21,896 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261527766] [2021-07-14 06:15:21,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:15:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:15:22,024 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 06:15:22,024 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:15:22,024 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261527766] [2021-07-14 06:15:22,025 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261527766] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:15:22,025 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1549606041] [2021-07-14 06:15:22,025 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 06:15:22,063 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-07-14 06:15:22,064 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:15:22,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-14 06:15:22,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:15:22,151 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-07-14 06:15:22,152 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 15 treesize of output 11 [2021-07-14 06:15:22,153 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:22,160 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-07-14 06:15:22,161 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 25 treesize of output 23 [2021-07-14 06:15:22,162 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:22,176 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:15:22,176 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 06:15:22,178 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:15:22,178 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:65, output treesize:29 [2021-07-14 06:15:22,276 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 06:15:22,276 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1549606041] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:15:22,276 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:15:22,276 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16 [2021-07-14 06:15:22,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894095579] [2021-07-14 06:15:22,277 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-14 06:15:22,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:15:22,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-14 06:15:22,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2021-07-14 06:15:22,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:15:22,278 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:15:22,278 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.875) internal successors, (30), 16 states have internal predecessors, (30), 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 06:15:22,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:15:22,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:15:22,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:22,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:22,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:22,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:15:22,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:15:22,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:22,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:15:22,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:15:22,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:15:22,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:15:23,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:15:23,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:15:23,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:23,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:23,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:23,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:15:23,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:15:23,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:23,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:15:23,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:15:23,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:15:23,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:15:23,651 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:15:23,651 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:15:23,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:15:23,652 INFO L82 PathProgramCache]: Analyzing trace with hash 1899566918, now seen corresponding path program 7 times [2021-07-14 06:15:23,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:15:23,652 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119636619] [2021-07-14 06:15:23,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:15:23,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:15:23,727 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:15:23,727 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:15:23,727 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119636619] [2021-07-14 06:15:23,727 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119636619] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:15:23,727 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1982034903] [2021-07-14 06:15:23,727 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 06:15:23,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:15:23,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-14 06:15:23,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:15:23,809 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:15:23,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:15:23,811 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:23,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:15:23,813 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:23,824 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:15:23,825 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:15:23,825 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 06:15:23,871 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:15:23,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 06:15:23,873 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:23,874 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 06:15:23,875 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:23,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 06:15:23,877 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:23,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:15:23,879 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:23,891 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-07-14 06:15:23,892 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 06:15:23,892 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:15:23,892 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 06:15:23,908 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:15:23,909 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1982034903] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:15:23,909 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:15:23,909 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 14 [2021-07-14 06:15:23,910 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588857530] [2021-07-14 06:15:23,910 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 06:15:23,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:15:23,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 06:15:23,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-07-14 06:15:23,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:15:23,911 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:15:23,911 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 14 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:15:23,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:15:23,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:15:23,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:23,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:23,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:23,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:15:23,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:15:23,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:23,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:15:23,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:15:23,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:15:23,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:15:23,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:15:24,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:15:24,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:15:24,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:24,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:24,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:24,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:15:24,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:15:24,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:24,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:15:24,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:15:24,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:15:24,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:15:24,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:24,612 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable72 [2021-07-14 06:15:24,612 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:15:24,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:15:24,612 INFO L82 PathProgramCache]: Analyzing trace with hash -485731550, now seen corresponding path program 8 times [2021-07-14 06:15:24,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:15:24,612 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620838400] [2021-07-14 06:15:24,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:15:24,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:15:24,993 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:15:24,993 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:15:24,993 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620838400] [2021-07-14 06:15:24,993 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620838400] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:15:24,993 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1904157375] [2021-07-14 06:15:24,993 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 06:15:25,051 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 06:15:25,052 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:15:25,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 39 conjunts are in the unsatisfiable core [2021-07-14 06:15:25,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:15:25,250 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:15:25,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2021-07-14 06:15:25,252 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:25,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 24 [2021-07-14 06:15:25,261 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:25,280 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:15:25,281 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:15:25,281 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:81, output treesize:49 [2021-07-14 06:15:25,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:15:25,486 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:15:25,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-07-14 06:15:25,488 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:25,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:15:25,493 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:15:25,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2021-07-14 06:15:25,495 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:25,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:15:25,500 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:15:25,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2021-07-14 06:15:25,501 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:25,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:15:25,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2021-07-14 06:15:25,506 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:25,554 INFO L628 ElimStorePlain]: treesize reduction 71, result has 42.3 percent of original size [2021-07-14 06:15:25,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2021-07-14 06:15:25,558 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:25,575 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:15:25,576 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:15:25,576 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 2 variables, input treesize:193, output treesize:38 [2021-07-14 06:15:25,659 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:15:25,659 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1904157375] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:15:25,660 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:15:25,660 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2021-07-14 06:15:25,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477641259] [2021-07-14 06:15:25,660 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-14 06:15:25,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:15:25,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-14 06:15:25,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2021-07-14 06:15:25,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:15:25,661 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:15:25,661 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.5384615384615385) internal successors, (40), 26 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:15:25,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:15:25,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:15:25,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:25,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:25,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:25,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:15:25,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:15:25,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:25,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:15:25,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:15:25,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:15:25,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:15:25,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:25,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:15:26,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:15:26,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:15:26,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:26,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:26,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:26,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:15:26,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:15:26,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:26,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:15:26,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:15:26,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:15:26,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:15:26,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:26,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:15:26,608 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:15:26,608 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:15:26,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:15:26,608 INFO L82 PathProgramCache]: Analyzing trace with hash -1906287320, now seen corresponding path program 9 times [2021-07-14 06:15:26,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:15:26,608 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346398421] [2021-07-14 06:15:26,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:15:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:15:26,816 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:15:26,816 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:15:26,816 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346398421] [2021-07-14 06:15:26,816 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346398421] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:15:26,816 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [856175763] [2021-07-14 06:15:26,816 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 06:15:26,856 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 06:15:26,857 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:15:26,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-14 06:15:26,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:15:26,994 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:15:26,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:15:26,995 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:26,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:15:26,998 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:27,010 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:15:27,010 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:15:27,010 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 06:15:27,127 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:15:27,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:15:27,128 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:27,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:15:27,131 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:27,145 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 06:15:27,145 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 06:15:27,146 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 06:15:27,146 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 06:15:27,170 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:15:27,170 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [856175763] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:15:27,170 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:15:27,171 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 25 [2021-07-14 06:15:27,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737673271] [2021-07-14 06:15:27,171 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 06:15:27,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:15:27,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 06:15:27,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2021-07-14 06:15:27,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:15:27,172 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:15:27,172 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.68) internal successors, (42), 25 states have internal predecessors, (42), 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 06:15:27,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:15:27,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:15:27,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:27,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:27,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:27,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:15:27,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:15:27,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:27,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:15:27,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:15:27,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:15:27,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:15:27,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:27,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:15:27,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:15:27,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:15:27,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:15:27,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:27,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:27,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:27,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:15:27,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:15:27,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:27,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:15:27,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:15:27,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:15:27,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:15:27,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:27,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:15:27,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:28,010 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:15:28,010 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:15:28,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:15:28,012 INFO L82 PathProgramCache]: Analyzing trace with hash 1035295408, now seen corresponding path program 10 times [2021-07-14 06:15:28,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:15:28,012 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309335576] [2021-07-14 06:15:28,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:15:28,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:15:29,018 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:15:29,019 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:15:29,019 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309335576] [2021-07-14 06:15:29,019 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309335576] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:15:29,019 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1198771541] [2021-07-14 06:15:29,019 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 06:15:29,056 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 06:15:29,057 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:15:29,058 WARN L261 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 63 conjunts are in the unsatisfiable core [2021-07-14 06:15:29,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:15:29,436 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 55 treesize of output 41 [2021-07-14 06:15:29,438 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:29,443 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 31 [2021-07-14 06:15:29,445 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:29,450 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 53 treesize of output 39 [2021-07-14 06:15:29,452 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:29,454 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 53 treesize of output 39 [2021-07-14 06:15:29,456 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:29,484 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:15:29,485 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 06:15:29,485 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:212, output treesize:126 [2021-07-14 06:15:30,053 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 33 [2021-07-14 06:15:30,055 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:30,059 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 45 treesize of output 35 [2021-07-14 06:15:30,061 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:30,117 INFO L628 ElimStorePlain]: treesize reduction 45, result has 67.2 percent of original size [2021-07-14 06:15:30,121 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 33 treesize of output 25 [2021-07-14 06:15:30,122 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:30,137 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:15:30,139 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 12 treesize of output 8 [2021-07-14 06:15:30,141 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 06:15:30,164 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:15:30,167 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 41 treesize of output 31 [2021-07-14 06:15:30,169 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:30,180 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:15:30,181 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 06:15:30,181 INFO L518 ElimStorePlain]: Eliminatee v_prenex_18 vanished before elimination [2021-07-14 06:15:30,181 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 06:15:30,181 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:207, output treesize:32 [2021-07-14 06:15:30,256 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:15:30,256 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1198771541] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:15:30,257 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:15:30,257 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 14] total 29 [2021-07-14 06:15:30,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440860745] [2021-07-14 06:15:30,257 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-14 06:15:30,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:15:30,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-14 06:15:30,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=749, Unknown=0, NotChecked=0, Total=812 [2021-07-14 06:15:30,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:15:30,258 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:15:30,258 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 1.5172413793103448) internal successors, (44), 29 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:15:30,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:15:30,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:15:30,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:30,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:30,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:30,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:15:30,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:15:30,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:30,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:15:30,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:15:30,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:15:30,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:15:30,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:30,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:15:30,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:30,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:15:31,380 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 80 [2021-07-14 06:15:31,699 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 101 [2021-07-14 06:15:32,049 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 122 [2021-07-14 06:15:32,629 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 122 [2021-07-14 06:15:33,099 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 119 [2021-07-14 06:15:33,335 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2021-07-14 06:15:33,581 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 95 [2021-07-14 06:15:33,913 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 116 [2021-07-14 06:15:34,366 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 116 [2021-07-14 06:15:34,835 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 118 [2021-07-14 06:15:35,555 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2021-07-14 06:15:35,947 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2021-07-14 06:15:36,304 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 113 [2021-07-14 06:15:36,695 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 133 [2021-07-14 06:15:37,279 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 133 [2021-07-14 06:15:37,754 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 130 [2021-07-14 06:15:38,005 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2021-07-14 06:15:38,231 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 107 [2021-07-14 06:15:38,562 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 127 [2021-07-14 06:15:39,093 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 127 [2021-07-14 06:15:39,642 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 129 [2021-07-14 06:15:39,796 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2021-07-14 06:15:40,433 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2021-07-14 06:15:40,876 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 96 [2021-07-14 06:15:41,239 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 116 [2021-07-14 06:15:41,651 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 136 [2021-07-14 06:15:42,273 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 136 [2021-07-14 06:15:42,913 WARN L205 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 133 [2021-07-14 06:15:43,225 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2021-07-14 06:15:43,518 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2021-07-14 06:15:43,899 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 130 [2021-07-14 06:15:44,491 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 130 [2021-07-14 06:15:45,052 WARN L205 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 132 [2021-07-14 06:15:45,511 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 63 [2021-07-14 06:15:45,693 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 71 [2021-07-14 06:15:45,908 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-07-14 06:15:46,125 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 72 [2021-07-14 06:15:46,616 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 85 [2021-07-14 06:15:46,981 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 87 [2021-07-14 06:15:47,245 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 73 [2021-07-14 06:15:47,551 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 85 [2021-07-14 06:15:47,835 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 73 [2021-07-14 06:15:48,465 WARN L205 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 133 [2021-07-14 06:15:49,167 WARN L205 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 140 [2021-07-14 06:15:49,917 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2021-07-14 06:15:50,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:15:50,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:15:50,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:50,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:50,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:50,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:15:50,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:15:50,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:50,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:15:50,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:15:50,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:15:50,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:15:50,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:50,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:15:50,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:50,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:15:50,411 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:15:50,411 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:15:50,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:15:50,412 INFO L82 PathProgramCache]: Analyzing trace with hash 819255378, now seen corresponding path program 11 times [2021-07-14 06:15:50,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:15:50,412 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804826257] [2021-07-14 06:15:50,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:15:50,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:15:50,791 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:15:50,791 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:15:50,791 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804826257] [2021-07-14 06:15:50,791 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804826257] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:15:50,791 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319027400] [2021-07-14 06:15:50,791 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 06:15:50,834 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-14 06:15:50,834 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:15:50,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-14 06:15:50,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:15:51,011 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 29 treesize of output 21 [2021-07-14 06:15:51,012 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:51,014 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 39 treesize of output 29 [2021-07-14 06:15:51,016 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:51,025 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:15:51,026 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:15:51,026 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:80, output treesize:38 [2021-07-14 06:15:51,270 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:15:51,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2021-07-14 06:15:51,274 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:51,277 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:15:51,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 29 [2021-07-14 06:15:51,280 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:51,283 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:15:51,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 29 [2021-07-14 06:15:51,287 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:51,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 37 [2021-07-14 06:15:51,291 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:51,330 INFO L628 ElimStorePlain]: treesize reduction 78, result has 35.5 percent of original size [2021-07-14 06:15:51,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-14 06:15:51,334 INFO L550 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 06:15:51,349 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:15:51,350 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:15:51,350 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 2 variables, input treesize:207, output treesize:35 [2021-07-14 06:15:51,434 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:15:51,435 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319027400] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:15:51,435 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:15:51,435 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 26 [2021-07-14 06:15:51,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435217217] [2021-07-14 06:15:51,435 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-14 06:15:51,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:15:51,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-14 06:15:51,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2021-07-14 06:15:51,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:15:51,436 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:15:51,436 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.5769230769230769) internal successors, (41), 26 states have internal predecessors, (41), 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 06:15:51,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:15:51,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:15:51,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:51,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:51,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:51,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:15:51,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:15:51,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:51,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:15:51,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:15:51,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:15:51,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:15:51,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:51,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:15:51,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:51,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:15:51,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:15:52,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:15:52,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:15:52,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:52,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:52,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:52,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:15:52,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:15:52,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:52,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:15:52,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:15:52,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:15:52,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:15:52,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:52,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:15:52,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:52,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:15:52,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:52,613 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable107 [2021-07-14 06:15:52,614 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:15:52,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:15:52,614 INFO L82 PathProgramCache]: Analyzing trace with hash -721473068, now seen corresponding path program 12 times [2021-07-14 06:15:52,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:15:52,614 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265026913] [2021-07-14 06:15:52,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:15:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:15:52,847 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:15:52,848 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:15:52,848 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265026913] [2021-07-14 06:15:52,848 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265026913] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:15:52,848 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [285817585] [2021-07-14 06:15:52,848 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 06:15:52,891 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-07-14 06:15:52,892 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:15:52,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-14 06:15:52,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:15:53,097 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:15:53,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:15:53,098 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:53,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:15:53,100 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:53,112 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:15:53,112 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:15:53,113 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 06:15:53,260 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:15:53,260 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:15:53,261 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:53,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:15:53,263 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:53,277 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 06:15:53,277 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 06:15:53,278 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 06:15:53,278 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 06:15:53,305 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:15:53,305 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [285817585] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:15:53,305 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:15:53,305 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 31 [2021-07-14 06:15:53,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175987423] [2021-07-14 06:15:53,306 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-14 06:15:53,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:15:53,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-14 06:15:53,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=832, Unknown=0, NotChecked=0, Total=930 [2021-07-14 06:15:53,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:15:53,307 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:15:53,307 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.5483870967741935) internal successors, (48), 31 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:15:53,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:15:53,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:15:53,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:53,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:53,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:53,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:15:53,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:15:53,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:53,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:15:53,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:15:53,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:15:53,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:15:53,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:53,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:15:53,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:53,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:15:53,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:53,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:15:54,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:15:54,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:15:54,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:54,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:54,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:54,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:15:54,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:15:54,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:54,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:15:54,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:15:54,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:15:54,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:15:54,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:54,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:15:54,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:54,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:15:54,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:54,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:15:54,327 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable121 [2021-07-14 06:15:54,328 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:15:54,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:15:54,328 INFO L82 PathProgramCache]: Analyzing trace with hash -890168444, now seen corresponding path program 13 times [2021-07-14 06:15:54,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:15:54,328 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864281658] [2021-07-14 06:15:54,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:15:54,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:15:55,251 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:15:55,252 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:15:55,252 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864281658] [2021-07-14 06:15:55,252 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864281658] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:15:55,252 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507819346] [2021-07-14 06:15:55,252 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 06:15:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:15:55,298 WARN L261 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 84 conjunts are in the unsatisfiable core [2021-07-14 06:15:55,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:15:55,929 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 57 treesize of output 41 [2021-07-14 06:15:55,930 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:55,938 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 67 treesize of output 49 [2021-07-14 06:15:55,939 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:55,946 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 69 treesize of output 51 [2021-07-14 06:15:55,948 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:55,955 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 67 treesize of output 49 [2021-07-14 06:15:55,956 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:55,963 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 67 treesize of output 49 [2021-07-14 06:15:55,965 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:55,968 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 57 treesize of output 41 [2021-07-14 06:15:55,969 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:56,036 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:15:56,038 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-07-14 06:15:56,038 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:433, output treesize:253 [2021-07-14 06:15:56,512 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2021-07-14 06:15:56,794 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2021-07-14 06:15:57,023 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 51 [2021-07-14 06:15:57,065 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 38 treesize of output 28 [2021-07-14 06:15:57,066 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:57,073 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 40 treesize of output 30 [2021-07-14 06:15:57,075 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:57,078 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 38 treesize of output 28 [2021-07-14 06:15:57,079 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:57,171 INFO L628 ElimStorePlain]: treesize reduction 103, result has 63.1 percent of original size [2021-07-14 06:15:57,174 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 12 treesize of output 8 [2021-07-14 06:15:57,176 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 06:15:57,218 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:15:57,225 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 48 treesize of output 36 [2021-07-14 06:15:57,227 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:57,234 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 42 treesize of output 32 [2021-07-14 06:15:57,235 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:57,238 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 48 treesize of output 36 [2021-07-14 06:15:57,240 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 06:15:57,269 INFO L628 ElimStorePlain]: treesize reduction 20, result has 69.2 percent of original size [2021-07-14 06:15:57,271 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 13 treesize of output 9 [2021-07-14 06:15:57,272 INFO L550 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 06:15:57,285 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:15:57,286 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 06:15:57,286 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:360, output treesize:32 [2021-07-14 06:15:57,353 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:15:57,353 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [507819346] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:15:57,354 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:15:57,354 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18] total 36 [2021-07-14 06:15:57,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911400075] [2021-07-14 06:15:57,354 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-07-14 06:15:57,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:15:57,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-07-14 06:15:57,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=1184, Unknown=0, NotChecked=0, Total=1260 [2021-07-14 06:15:57,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:15:57,355 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:15:57,355 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 36 states have internal predecessors, (50), 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 06:15:57,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:15:57,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:15:57,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:57,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:57,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:57,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:15:57,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:15:57,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:15:57,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:15:57,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:15:57,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:15:57,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:15:57,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:57,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:15:57,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:57,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:15:57,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:15:57,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:15:57,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:15:58,732 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 74 [2021-07-14 06:15:58,904 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 73 [2021-07-14 06:15:59,081 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 79 [2021-07-14 06:15:59,296 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 78 [2021-07-14 06:15:59,791 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 100 [2021-07-14 06:16:00,051 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 46 [2021-07-14 06:16:00,669 WARN L205 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 113 [2021-07-14 06:16:01,453 WARN L205 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 120 [2021-07-14 06:16:02,098 WARN L205 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 115 [2021-07-14 06:16:02,790 WARN L205 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 91 [2021-07-14 06:16:03,470 WARN L205 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 122 [2021-07-14 06:16:04,159 WARN L205 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 91 [2021-07-14 06:16:04,737 WARN L205 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 115 [2021-07-14 06:16:05,149 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 91 [2021-07-14 06:16:05,654 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 122 [2021-07-14 06:16:05,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:05,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:16:05,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:05,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:05,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:05,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:05,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:16:05,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:05,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:05,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:05,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:16:05,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:16:05,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:05,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:05,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:05,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:16:05,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:05,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:16:05,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 06:16:05,925 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable124 [2021-07-14 06:16:05,925 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:16:05,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:16:05,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1824757804, now seen corresponding path program 14 times [2021-07-14 06:16:05,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:16:05,926 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811697180] [2021-07-14 06:16:05,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:16:05,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:16:06,110 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-07-14 06:16:06,110 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:16:06,110 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811697180] [2021-07-14 06:16:06,110 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811697180] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:06,110 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [341349340] [2021-07-14 06:16:06,110 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 06:16:06,161 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 06:16:06,161 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:16:06,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-14 06:16:06,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:16:06,390 INFO L354 Elim1Store]: treesize reduction 36, result has 26.5 percent of original size [2021-07-14 06:16:06,391 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 39 treesize of output 41 [2021-07-14 06:16:06,392 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:06,400 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-07-14 06:16:06,400 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 29 treesize of output 21 [2021-07-14 06:16:06,402 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:06,427 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:06,428 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 06:16:06,437 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:16:06,437 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:113, output treesize:47 [2021-07-14 06:16:06,621 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-07-14 06:16:06,621 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [341349340] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:06,623 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:16:06,623 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 24 [2021-07-14 06:16:06,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783974115] [2021-07-14 06:16:06,623 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-14 06:16:06,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:16:06,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-14 06:16:06,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=449, Unknown=0, NotChecked=0, Total=552 [2021-07-14 06:16:06,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:06,624 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:16:06,624 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 24 states have internal predecessors, (38), 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 06:16:06,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:06,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:16:06,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:06,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:06,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:06,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:06,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:16:06,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:06,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:06,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:06,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:16:06,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:16:06,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:06,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:06,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:06,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:16:06,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:06,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:16:06,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 06:16:06,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:10,405 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 65 [2021-07-14 06:16:10,601 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 71 [2021-07-14 06:16:10,755 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 61 [2021-07-14 06:16:10,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:10,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:16:10,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:10,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:10,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:10,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:10,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:16:10,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:10,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:10,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:10,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:16:10,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:16:10,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:10,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:10,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:10,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:16:10,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:16:10,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:16:10,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 06:16:10,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:16:11,025 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable145 [2021-07-14 06:16:11,025 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:16:11,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:16:11,025 INFO L82 PathProgramCache]: Analyzing trace with hash -372226874, now seen corresponding path program 15 times [2021-07-14 06:16:11,026 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:16:11,026 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943659850] [2021-07-14 06:16:11,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:16:11,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:16:11,209 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:11,209 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:16:11,209 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943659850] [2021-07-14 06:16:11,209 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943659850] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:11,209 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1329188974] [2021-07-14 06:16:11,210 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 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:16:11,264 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 06:16:11,264 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:16:11,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-14 06:16:11,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:16:11,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:11,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:16:11,352 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:11,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:16:11,354 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:11,365 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:11,365 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:16:11,365 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 06:16:11,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 06:16:11,463 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:11,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-14 06:16:11,466 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:11,468 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:11,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:16:11,469 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:11,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 06:16:11,471 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:11,485 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-07-14 06:16:11,485 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 06:16:11,486 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:16:11,486 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 06:16:11,510 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:11,510 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1329188974] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:11,510 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:16:11,510 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 22 [2021-07-14 06:16:11,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661363616] [2021-07-14 06:16:11,511 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-14 06:16:11,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:16:11,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-14 06:16:11,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-07-14 06:16:11,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:11,511 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:16:11,512 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.5909090909090908) internal successors, (35), 22 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:16:11,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:11,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:16:11,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:11,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:11,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:11,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:11,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:16:11,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:11,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:11,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:11,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:16:11,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:16:11,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:11,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:11,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:11,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:16:11,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:16:11,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:16:11,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 06:16:11,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:16:11,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:12,539 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2021-07-14 06:16:12,812 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 75 [2021-07-14 06:16:13,052 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 55 [2021-07-14 06:16:13,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:13,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:16:13,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:13,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:13,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:13,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:13,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:16:13,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:13,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:13,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:13,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:16:13,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:16:13,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:13,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:13,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:13,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:16:13,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:16:13,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:16:13,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:16:13,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:16:13,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:14,183 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:16:14,183 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:16:14,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:16:14,184 INFO L82 PathProgramCache]: Analyzing trace with hash 1139734824, now seen corresponding path program 16 times [2021-07-14 06:16:14,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:16:14,184 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254781370] [2021-07-14 06:16:14,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:16:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:16:14,477 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:14,478 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:16:14,478 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254781370] [2021-07-14 06:16:14,478 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254781370] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:14,478 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1999837355] [2021-07-14 06:16:14,478 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 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:16:14,541 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 06:16:14,541 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:16:14,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-14 06:16:14,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:16:14,637 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 16 treesize of output 12 [2021-07-14 06:16:14,638 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:14,640 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 11 [2021-07-14 06:16:14,640 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:14,652 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:14,653 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:16:14,653 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 06:16:14,803 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:14,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:16:14,804 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:14,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:16:14,807 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:14,820 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 06:16:14,820 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 06:16:14,821 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 06:16:14,821 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 06:16:14,845 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:14,846 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1999837355] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:14,846 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:16:14,846 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 26 [2021-07-14 06:16:14,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782876402] [2021-07-14 06:16:14,846 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-14 06:16:14,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:16:14,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-14 06:16:14,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2021-07-14 06:16:14,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:14,847 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:16:14,847 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.5) internal successors, (39), 26 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:16:14,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:14,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:16:14,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:14,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:14,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:14,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:14,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:16:14,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:14,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:14,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:14,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:16:14,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:16:14,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:14,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:14,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:14,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:16:14,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:16:14,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:16:14,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:16:14,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:16:14,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:14,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:15,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:15,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:16:15,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:15,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:15,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:15,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:15,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:16:15,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:15,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:15,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:15,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:16:15,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:16:15,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:15,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:15,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:15,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:16:15,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:16:15,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:16:15,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:16:15,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:16:15,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:15,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:15,817 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:16:15,817 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:16:15,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:16:15,817 INFO L82 PathProgramCache]: Analyzing trace with hash 972701360, now seen corresponding path program 17 times [2021-07-14 06:16:15,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:16:15,817 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177008908] [2021-07-14 06:16:15,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:16:15,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:16:16,758 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 45 [2021-07-14 06:16:16,921 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 55 [2021-07-14 06:16:17,084 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 47 [2021-07-14 06:16:17,277 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 6 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:17,277 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:16:17,277 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177008908] [2021-07-14 06:16:17,277 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177008908] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:17,277 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [831441495] [2021-07-14 06:16:17,277 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 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:16:17,321 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-14 06:16:17,321 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:16:17,322 WARN L261 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 105 conjunts are in the unsatisfiable core [2021-07-14 06:16:17,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:16:18,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 67 [2021-07-14 06:16:18,150 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:18,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 59 [2021-07-14 06:16:18,161 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:18,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 59 [2021-07-14 06:16:18,173 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:18,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 59 [2021-07-14 06:16:18,185 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:18,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 51 [2021-07-14 06:16:18,196 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:18,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 51 [2021-07-14 06:16:18,201 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:18,379 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2021-07-14 06:16:18,379 INFO L628 ElimStorePlain]: treesize reduction 10, result has 96.9 percent of original size [2021-07-14 06:16:18,381 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-07-14 06:16:18,381 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:550, output treesize:316 [2021-07-14 06:16:18,943 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2021-07-14 06:16:19,214 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2021-07-14 06:16:19,522 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2021-07-14 06:16:19,779 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2021-07-14 06:16:19,833 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:19,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-07-14 06:16:19,843 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:19,847 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:19,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 41 [2021-07-14 06:16:19,858 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:19,863 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:19,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 41 [2021-07-14 06:16:19,872 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:19,876 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:19,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 41 [2021-07-14 06:16:19,886 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:19,891 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:19,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 33 [2021-07-14 06:16:19,902 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:19,907 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:19,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 39 [2021-07-14 06:16:19,919 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:19,924 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:19,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 33 [2021-07-14 06:16:19,934 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:19,938 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:19,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 35 [2021-07-14 06:16:19,947 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:19,965 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:19,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 39 [2021-07-14 06:16:19,976 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:19,981 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:19,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 33 [2021-07-14 06:16:19,990 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:20,000 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:20,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-07-14 06:16:20,010 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:20,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 43 [2021-07-14 06:16:20,016 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:20,174 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 47 [2021-07-14 06:16:20,174 INFO L628 ElimStorePlain]: treesize reduction 220, result has 48.7 percent of original size [2021-07-14 06:16:20,180 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:20,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-14 06:16:20,182 INFO L550 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 06:16:20,185 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:20,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-07-14 06:16:20,187 INFO L550 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 06:16:20,190 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:20,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-14 06:16:20,192 INFO L550 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 06:16:20,195 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:20,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 6 [2021-07-14 06:16:20,196 INFO L550 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 06:16:20,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-14 06:16:20,200 INFO L550 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 06:16:20,263 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:20,281 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 7 xjuncts. [2021-07-14 06:16:20,281 INFO L247 ElimStorePlain]: Needed 18 recursive calls to eliminate 2 variables, input treesize:859, output treesize:173 [2021-07-14 06:16:20,528 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:20,528 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [831441495] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:20,528 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:16:20,528 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 42 [2021-07-14 06:16:20,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582503548] [2021-07-14 06:16:20,528 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-07-14 06:16:20,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:16:20,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-07-14 06:16:20,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=1574, Unknown=0, NotChecked=0, Total=1722 [2021-07-14 06:16:20,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:20,529 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:16:20,529 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 42 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:16:20,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:20,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:16:20,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:20,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:20,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:20,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:20,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:16:20,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:20,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:20,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:20,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:16:20,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:16:20,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:20,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:20,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:20,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:16:20,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:16:20,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:16:20,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:16:20,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:16:20,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:20,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:20,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:21,034 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 78 [2021-07-14 06:16:21,217 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 56 [2021-07-14 06:16:21,462 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 80 [2021-07-14 06:16:21,630 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 67 [2021-07-14 06:16:21,896 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 92 [2021-07-14 06:16:22,040 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 59 [2021-07-14 06:16:22,275 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 78 [2021-07-14 06:16:22,532 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 75 [2021-07-14 06:16:22,896 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 65 [2021-07-14 06:16:23,131 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 90 [2021-07-14 06:16:23,299 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 69 [2021-07-14 06:16:23,525 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 92 [2021-07-14 06:16:23,721 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 79 [2021-07-14 06:16:24,017 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 104 [2021-07-14 06:16:24,181 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 71 [2021-07-14 06:16:24,448 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 90 [2021-07-14 06:16:24,733 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 87 [2021-07-14 06:16:25,104 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 70 [2021-07-14 06:16:25,361 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 96 [2021-07-14 06:16:25,541 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 74 [2021-07-14 06:16:25,804 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 98 [2021-07-14 06:16:25,995 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 85 [2021-07-14 06:16:26,298 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 110 [2021-07-14 06:16:26,641 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 95 [2021-07-14 06:16:26,893 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 92 [2021-07-14 06:16:27,406 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 98 [2021-07-14 06:16:27,731 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 100 [2021-07-14 06:16:27,900 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 86 [2021-07-14 06:16:28,168 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 111 [2021-07-14 06:16:28,497 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 97 [2021-07-14 06:16:28,727 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 94 [2021-07-14 06:16:29,120 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 77 [2021-07-14 06:16:29,359 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 102 [2021-07-14 06:16:29,498 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 80 [2021-07-14 06:16:29,706 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 103 [2021-07-14 06:16:29,859 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 90 [2021-07-14 06:16:30,087 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 115 [2021-07-14 06:16:30,247 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 82 [2021-07-14 06:16:30,461 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 101 [2021-07-14 06:16:30,689 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 98 [2021-07-14 06:16:31,741 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 87 [2021-07-14 06:16:32,183 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 92 [2021-07-14 06:16:32,549 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 106 [2021-07-14 06:16:32,863 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 94 [2021-07-14 06:16:33,247 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 90 [2021-07-14 06:16:33,603 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 94 [2021-07-14 06:16:33,988 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 90 [2021-07-14 06:16:34,335 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 94 [2021-07-14 06:16:34,699 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 90 [2021-07-14 06:16:35,018 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 94 [2021-07-14 06:16:35,359 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 90 [2021-07-14 06:16:35,899 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 115 [2021-07-14 06:16:36,355 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 83 [2021-07-14 06:16:36,596 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2021-07-14 06:16:36,872 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 106 [2021-07-14 06:16:37,068 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 90 [2021-07-14 06:16:37,306 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 91 [2021-07-14 06:16:37,524 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 90 [2021-07-14 06:16:37,749 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 88 [2021-07-14 06:16:37,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:37,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:16:37,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:37,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:37,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:37,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:37,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:16:37,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:37,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:37,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:37,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:16:37,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:16:37,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:37,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:37,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:37,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:16:37,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:16:37,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:16:37,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 06:16:37,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:16:37,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:37,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:37,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-14 06:16:37,978 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable169 [2021-07-14 06:16:37,978 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:16:37,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:16:37,979 INFO L82 PathProgramCache]: Analyzing trace with hash -918535050, now seen corresponding path program 18 times [2021-07-14 06:16:37,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:16:37,979 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606717752] [2021-07-14 06:16:37,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:16:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:16:38,246 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:38,246 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:16:38,247 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606717752] [2021-07-14 06:16:38,247 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606717752] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:38,247 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [155472541] [2021-07-14 06:16:38,247 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 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:16:38,373 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-14 06:16:38,373 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:16:38,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-14 06:16:38,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:16:38,457 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:38,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:16:38,458 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:38,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:16:38,460 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:38,472 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:38,472 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:16:38,472 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 06:16:38,611 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:38,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:16:38,612 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:38,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-14 06:16:38,622 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:38,625 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:38,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 06:16:38,626 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:38,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 06:16:38,630 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:38,644 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-07-14 06:16:38,645 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 06:16:38,645 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:16:38,645 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 06:16:38,669 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:38,670 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [155472541] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:38,670 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:16:38,670 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 26 [2021-07-14 06:16:38,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732380875] [2021-07-14 06:16:38,670 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-14 06:16:38,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:16:38,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-14 06:16:38,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2021-07-14 06:16:38,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:38,671 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:16:38,671 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.5) internal successors, (39), 26 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:16:38,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:38,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:16:38,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:38,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:38,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:38,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:38,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:16:38,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:38,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:38,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:38,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:16:38,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:16:38,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:38,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:38,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:38,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:16:38,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:16:38,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:16:38,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 06:16:38,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:16:38,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:38,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:38,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-07-14 06:16:38,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:40,019 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2021-07-14 06:16:40,304 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 105 [2021-07-14 06:16:40,587 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 100 [2021-07-14 06:16:40,879 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2021-07-14 06:16:41,109 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2021-07-14 06:16:41,359 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2021-07-14 06:16:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:16:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:16:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:16:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:16:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:16:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:16:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:16:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 06:16:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:16:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:41,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:41,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:16:41,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:16:41,580 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:16:41,581 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:16:41,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:16:41,581 INFO L82 PathProgramCache]: Analyzing trace with hash -25593134, now seen corresponding path program 19 times [2021-07-14 06:16:41,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:16:41,581 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797394274] [2021-07-14 06:16:41,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:16:41,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:16:42,270 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:42,270 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:16:42,270 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797394274] [2021-07-14 06:16:42,270 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797394274] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:42,270 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355343382] [2021-07-14 06:16:42,270 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 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:16:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:16:42,320 WARN L261 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 90 conjunts are in the unsatisfiable core [2021-07-14 06:16:42,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:16:43,001 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-07-14 06:16:43,192 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-07-14 06:16:43,397 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-07-14 06:16:43,676 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-07-14 06:16:43,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,732 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:43,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,735 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:43,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,736 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:43,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,738 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:43,748 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:43,751 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:43,755 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:43,756 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:43,758 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:43,780 INFO L354 Elim1Store]: treesize reduction 20, result has 59.2 percent of original size [2021-07-14 06:16:43,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 10 disjoint index pairs (out of 55 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 104 treesize of output 100 [2021-07-14 06:16:43,783 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:43,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,790 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:43,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,792 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:43,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,794 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:43,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,796 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:43,800 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:43,803 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:43,806 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:43,808 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:43,810 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:43,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 67 [2021-07-14 06:16:43,812 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:43,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,819 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:43,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,822 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:43,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,823 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:43,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,825 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:43,829 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:43,832 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:43,836 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:43,837 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:43,839 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:43,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 59 [2021-07-14 06:16:43,841 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:43,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,852 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:43,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,855 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:43,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,856 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:43,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:43,858 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:43,879 INFO L354 Elim1Store]: treesize reduction 20, result has 59.2 percent of original size [2021-07-14 06:16:43,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 10 disjoint index pairs (out of 55 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 114 treesize of output 108 [2021-07-14 06:16:43,882 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:43,981 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:43,985 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 06:16:43,985 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:453, output treesize:247 [2021-07-14 06:16:44,648 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 45 [2021-07-14 06:16:44,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 33 [2021-07-14 06:16:44,979 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:44,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 41 [2021-07-14 06:16:44,982 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:45,002 INFO L628 ElimStorePlain]: treesize reduction 14, result has 65.0 percent of original size [2021-07-14 06:16:45,003 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 06:16:45,003 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 06:16:45,003 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:126, output treesize:26 [2021-07-14 06:16:45,053 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:45,053 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [355343382] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:45,053 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:16:45,053 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 42 [2021-07-14 06:16:45,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851265246] [2021-07-14 06:16:45,054 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-07-14 06:16:45,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:16:45,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-07-14 06:16:45,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1606, Unknown=0, NotChecked=0, Total=1722 [2021-07-14 06:16:45,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:45,054 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:16:45,055 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 1.380952380952381) internal successors, (58), 42 states have internal predecessors, (58), 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 06:16:45,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:45,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:16:45,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:45,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:45,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:45,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:45,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:16:45,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:45,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:45,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:45,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:16:45,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:16:45,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:45,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:45,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:45,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:16:45,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:16:45,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:16:45,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 06:16:45,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:16:45,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:45,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:45,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:16:45,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:16:45,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:46,623 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2021-07-14 06:16:46,917 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 76 [2021-07-14 06:16:46,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:46,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:16:46,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:46,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:46,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:46,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:46,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:16:46,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:46,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:46,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:46,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:16:46,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:16:46,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:46,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:46,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:47,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:16:47,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:16:47,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:16:47,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 06:16:47,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:16:47,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:47,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:47,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:16:47,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:16:47,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:16:47,200 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable192 [2021-07-14 06:16:47,201 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:16:47,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:16:47,201 INFO L82 PathProgramCache]: Analyzing trace with hash -1410870316, now seen corresponding path program 20 times [2021-07-14 06:16:47,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:16:47,201 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344824906] [2021-07-14 06:16:47,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:16:47,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:16:47,594 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:47,594 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:16:47,594 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344824906] [2021-07-14 06:16:47,594 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344824906] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:47,594 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1366980186] [2021-07-14 06:16:47,594 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 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:16:47,645 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 06:16:47,645 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:16:47,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 44 conjunts are in the unsatisfiable core [2021-07-14 06:16:47,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:16:47,982 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:47,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:16:47,984 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:47,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:16:47,986 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:47,999 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:48,000 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:16:48,000 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 06:16:48,252 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:48,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:16:48,257 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:48,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:16:48,260 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:48,276 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 06:16:48,277 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 06:16:48,277 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 06:16:48,277 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 06:16:48,316 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:48,316 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1366980186] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:48,316 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:16:48,316 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 43 [2021-07-14 06:16:48,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248342841] [2021-07-14 06:16:48,317 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-07-14 06:16:48,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:16:48,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-07-14 06:16:48,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=1679, Unknown=0, NotChecked=0, Total=1806 [2021-07-14 06:16:48,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:48,318 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:16:48,318 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.3953488372093024) internal successors, (60), 43 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:16:48,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:48,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:16:48,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:48,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:48,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:48,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:48,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:16:48,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:48,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:48,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:48,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:16:48,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:16:48,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:48,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:48,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:48,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:16:48,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:16:48,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:16:48,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 06:16:48,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:16:48,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:48,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:48,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:16:48,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:16:48,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:16:48,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:49,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:49,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:16:49,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:49,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:49,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:49,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:49,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:16:49,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:49,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:49,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:49,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:16:49,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:16:49,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:49,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:49,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:49,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:16:49,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:16:49,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:16:49,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 06:16:49,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:16:49,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:49,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:49,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:16:49,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:16:49,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:16:49,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:16:50,027 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable227 [2021-07-14 06:16:50,028 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:16:50,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:16:50,028 INFO L82 PathProgramCache]: Analyzing trace with hash -786646652, now seen corresponding path program 21 times [2021-07-14 06:16:50,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:16:50,028 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316024004] [2021-07-14 06:16:50,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:16:50,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:16:51,105 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:51,105 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:16:51,105 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316024004] [2021-07-14 06:16:51,105 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316024004] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:51,105 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1485941014] [2021-07-14 06:16:51,105 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 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:16:51,158 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-14 06:16:51,159 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:16:51,160 WARN L261 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 117 conjunts are in the unsatisfiable core [2021-07-14 06:16:51,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:16:52,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 69 [2021-07-14 06:16:52,161 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:52,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 71 [2021-07-14 06:16:52,175 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:52,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 61 [2021-07-14 06:16:52,189 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:52,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 69 [2021-07-14 06:16:52,193 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:52,244 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:52,245 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 06:16:52,245 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:380, output treesize:214 [2021-07-14 06:16:52,695 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 49 [2021-07-14 06:16:52,920 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 50 [2021-07-14 06:16:53,173 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2021-07-14 06:16:53,424 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 52 [2021-07-14 06:16:53,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 46 [2021-07-14 06:16:53,651 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:53,725 INFO L628 ElimStorePlain]: treesize reduction 74, result has 65.7 percent of original size [2021-07-14 06:16:53,725 INFO L518 ElimStorePlain]: Eliminatee v_prenex_31 vanished before elimination [2021-07-14 06:16:53,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 48 [2021-07-14 06:16:53,730 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:53,748 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:53,748 INFO L518 ElimStorePlain]: Eliminatee v_prenex_30 vanished before elimination [2021-07-14 06:16:53,748 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 06:16:53,748 INFO L518 ElimStorePlain]: Eliminatee v_prenex_33 vanished before elimination [2021-07-14 06:16:53,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 46 [2021-07-14 06:16:53,752 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:53,771 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:53,771 INFO L518 ElimStorePlain]: Eliminatee v_prenex_28 vanished before elimination [2021-07-14 06:16:53,771 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 06:16:53,772 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 8 variables, input treesize:268, output treesize:32 [2021-07-14 06:16:53,872 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:53,872 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1485941014] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:53,872 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:16:53,872 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 23] total 46 [2021-07-14 06:16:53,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331050380] [2021-07-14 06:16:53,873 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-07-14 06:16:53,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:16:53,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-07-14 06:16:53,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1973, Unknown=0, NotChecked=0, Total=2070 [2021-07-14 06:16:53,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:53,875 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:16:53,875 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.3478260869565217) internal successors, (62), 46 states have internal predecessors, (62), 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 06:16:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:16:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:16:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:16:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:16:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:16:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:16:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:16:53,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 06:16:53,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:16:53,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:53,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:53,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:16:53,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:16:53,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:16:53,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:16:53,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:56,212 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 72 [2021-07-14 06:16:56,589 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 74 [2021-07-14 06:16:56,836 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 79 [2021-07-14 06:16:57,110 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 88 [2021-07-14 06:16:57,370 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 80 [2021-07-14 06:16:57,701 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 90 [2021-07-14 06:16:58,313 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 104 [2021-07-14 06:16:58,982 WARN L205 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 107 [2021-07-14 06:16:59,333 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 96 [2021-07-14 06:16:59,680 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 77 [2021-07-14 06:17:00,047 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 108 [2021-07-14 06:17:00,399 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 77 [2021-07-14 06:17:00,743 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 96 [2021-07-14 06:17:01,110 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 80 [2021-07-14 06:17:01,438 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 96 [2021-07-14 06:17:01,836 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 80 [2021-07-14 06:17:02,234 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 104 [2021-07-14 06:17:02,615 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 83 [2021-07-14 06:17:02,975 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 104 [2021-07-14 06:17:03,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:17:03,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:17:03,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:03,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:03,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:03,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:17:03,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:17:03,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:03,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:03,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:03,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:17:03,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:17:03,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:03,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:03,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:03,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:17:03,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:17:03,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:17:03,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 06:17:03,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:17:03,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:03,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:03,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:17:03,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:17:03,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:03,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:17:03,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:17:03,254 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable230,28 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:17:03,254 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:17:03,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:17:03,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1384417748, now seen corresponding path program 22 times [2021-07-14 06:17:03,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:17:03,255 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846060749] [2021-07-14 06:17:03,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:17:03,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:17:03,444 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 28 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-07-14 06:17:03,444 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:17:03,445 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846060749] [2021-07-14 06:17:03,445 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846060749] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:17:03,445 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1976247500] [2021-07-14 06:17:03,445 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 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:17:03,504 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 06:17:03,504 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:17:03,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 37 conjunts are in the unsatisfiable core [2021-07-14 06:17:03,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:17:03,832 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-14 06:17:03,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 43 treesize of output 31 [2021-07-14 06:17:03,835 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:03,880 INFO L354 Elim1Store]: treesize reduction 100, result has 17.4 percent of original size [2021-07-14 06:17:03,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 53 treesize of output 59 [2021-07-14 06:17:03,883 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:03,921 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:17:03,921 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 06:17:03,933 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:17:03,933 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 7 variables, input treesize:161, output treesize:47 [2021-07-14 06:17:04,132 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 21 proven. 28 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-07-14 06:17:04,132 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1976247500] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:17:04,132 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:17:04,132 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 32 [2021-07-14 06:17:04,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482334093] [2021-07-14 06:17:04,133 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-07-14 06:17:04,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:17:04,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-07-14 06:17:04,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=796, Unknown=0, NotChecked=0, Total=992 [2021-07-14 06:17:04,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:17:04,134 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:17:04,134 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 1.4375) internal successors, (46), 32 states have internal predecessors, (46), 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 06:17:04,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:17:04,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:17:04,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:04,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:04,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:04,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:17:04,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:17:04,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:04,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:04,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:04,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:17:04,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:17:04,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:04,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:04,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:04,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:17:04,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:17:04,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:17:04,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 06:17:04,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:17:04,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:04,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:04,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:17:04,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:17:04,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:04,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:17:04,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:17:04,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:17:10,505 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 84 [2021-07-14 06:17:10,838 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 86 [2021-07-14 06:17:11,173 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 87 [2021-07-14 06:17:11,468 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 86 [2021-07-14 06:17:11,740 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 87 [2021-07-14 06:17:11,998 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 86 [2021-07-14 06:17:12,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:17:12,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:17:12,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:12,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:12,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:12,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:17:12,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:17:12,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:12,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:12,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:12,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:17:12,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:17:12,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:12,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:12,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:12,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:17:12,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:17:12,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:17:12,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 06:17:12,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:17:12,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:12,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:12,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:17:12,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:17:12,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:17:12,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:17:12,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:17:12,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 06:17:12,349 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable249,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:17:12,349 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:17:12,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:17:12,349 INFO L82 PathProgramCache]: Analyzing trace with hash -792726970, now seen corresponding path program 23 times [2021-07-14 06:17:12,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:17:12,350 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328677002] [2021-07-14 06:17:12,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:17:12,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:17:12,661 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:17:12,662 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:17:12,662 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328677002] [2021-07-14 06:17:12,662 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328677002] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:17:12,662 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1058641619] [2021-07-14 06:17:12,662 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 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:17:12,708 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-14 06:17:12,709 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:17:12,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 44 conjunts are in the unsatisfiable core [2021-07-14 06:17:12,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:17:12,793 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:12,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:17:12,794 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:12,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:17:12,797 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:12,809 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:17:12,809 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:17:12,809 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 06:17:12,971 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:12,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 06:17:12,973 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:12,974 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 06:17:12,975 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:12,976 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:12,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:17:12,977 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:12,979 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 7 treesize of output 5 [2021-07-14 06:17:12,979 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:12,993 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-07-14 06:17:12,993 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 06:17:12,993 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:17:12,993 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 06:17:13,020 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:17:13,020 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1058641619] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:17:13,020 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:17:13,020 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 30 [2021-07-14 06:17:13,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004758837] [2021-07-14 06:17:13,020 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-14 06:17:13,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:17:13,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-14 06:17:13,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=795, Unknown=0, NotChecked=0, Total=870 [2021-07-14 06:17:13,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:17:13,021 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:17:13,021 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 30 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:17:13,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:17:13,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:17:13,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:13,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:13,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:13,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:17:13,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:17:13,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:13,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:13,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:13,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:17:13,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:17:13,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:13,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:13,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:13,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:17:13,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:17:13,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:17:13,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 06:17:13,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:17:13,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:13,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:13,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:17:13,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:17:13,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:17:13,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:17:13,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:17:13,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 06:17:13,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:17:15,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:17:15,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:17:15,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:15,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:15,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:15,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:17:15,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:17:15,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:15,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:15,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:15,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:17:15,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:17:15,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:15,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:15,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:15,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:17:15,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:17:15,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:17:15,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 06:17:15,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:17:15,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:15,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:15,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:17:15,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:17:15,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:17:15,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:17:15,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:17:15,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 06:17:15,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:17:15,959 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable269 [2021-07-14 06:17:15,959 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:17:15,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:17:15,960 INFO L82 PathProgramCache]: Analyzing trace with hash 1670607394, now seen corresponding path program 24 times [2021-07-14 06:17:15,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:17:15,960 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286099703] [2021-07-14 06:17:15,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:17:15,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:17:16,894 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:17:16,895 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:17:16,895 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286099703] [2021-07-14 06:17:16,895 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286099703] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:17:16,895 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1762646556] [2021-07-14 06:17:16,895 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 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:17:16,961 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-14 06:17:16,962 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:17:16,964 WARN L261 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 105 conjunts are in the unsatisfiable core [2021-07-14 06:17:16,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:17:17,972 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2021-07-14 06:17:18,229 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2021-07-14 06:17:18,524 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 68 [2021-07-14 06:17:18,833 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2021-07-14 06:17:19,175 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2021-07-14 06:17:19,233 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_37], 6=[array_0]} [2021-07-14 06:17:19,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 69 [2021-07-14 06:17:19,248 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:19,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 61 [2021-07-14 06:17:19,253 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:19,388 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2021-07-14 06:17:19,388 INFO L628 ElimStorePlain]: treesize reduction 107, result has 66.8 percent of original size [2021-07-14 06:17:19,419 INFO L354 Elim1Store]: treesize reduction 24, result has 51.0 percent of original size [2021-07-14 06:17:19,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 102 treesize of output 98 [2021-07-14 06:17:19,421 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:19,473 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:17:19,475 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 06:17:19,475 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:406, output treesize:160 [2021-07-14 06:17:20,625 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:20,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 44 [2021-07-14 06:17:20,639 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:20,642 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:20,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-07-14 06:17:20,668 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:20,671 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:20,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 44 [2021-07-14 06:17:20,683 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:20,687 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:20,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-07-14 06:17:20,700 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:20,704 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:20,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 52 [2021-07-14 06:17:20,716 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:20,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 44 [2021-07-14 06:17:20,722 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:20,784 INFO L628 ElimStorePlain]: treesize reduction 108, result has 36.8 percent of original size [2021-07-14 06:17:20,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-14 06:17:20,789 INFO L550 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 06:17:20,813 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:17:20,814 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 06:17:20,815 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 2 variables, input treesize:433, output treesize:55 [2021-07-14 06:17:21,022 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:17:21,023 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1762646556] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:17:21,023 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:17:21,023 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 48 [2021-07-14 06:17:21,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978476234] [2021-07-14 06:17:21,023 INFO L462 AbstractCegarLoop]: Interpolant automaton has 48 states [2021-07-14 06:17:21,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:17:21,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-07-14 06:17:21,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=2157, Unknown=0, NotChecked=0, Total=2256 [2021-07-14 06:17:21,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:17:21,024 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:17:21,024 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 48 states, 48 states have (on average 1.3333333333333333) internal successors, (64), 48 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:17:21,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:17:21,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:17:21,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:21,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:21,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:21,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:17:21,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:17:21,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:21,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:21,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:21,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:17:21,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:17:21,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:21,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:21,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:21,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:17:21,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:17:21,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:17:21,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 06:17:21,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:17:21,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:21,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:21,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:17:21,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:17:21,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:17:21,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:17:21,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:17:21,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 06:17:21,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:17:21,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:17:23,589 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2021-07-14 06:17:24,094 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 59 [2021-07-14 06:17:24,352 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2021-07-14 06:17:24,710 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 74 [2021-07-14 06:17:25,086 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 88 [2021-07-14 06:17:25,495 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 93 [2021-07-14 06:17:25,927 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 98 [2021-07-14 06:17:26,277 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 86 [2021-07-14 06:17:26,675 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 91 [2021-07-14 06:17:26,979 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 91 [2021-07-14 06:17:27,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:17:27,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:17:27,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:27,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:27,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:27,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:17:27,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:17:27,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:27,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:27,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:27,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:17:27,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:17:27,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:27,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:27,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:27,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:17:27,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:17:27,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:17:27,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 06:17:27,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:17:27,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:27,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:27,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:17:27,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:17:27,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:17:27,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:17:27,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:17:27,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 06:17:27,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:17:27,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:27,258 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable275,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:17:27,258 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:17:27,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:17:27,259 INFO L82 PathProgramCache]: Analyzing trace with hash -1732692696, now seen corresponding path program 25 times [2021-07-14 06:17:27,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:17:27,259 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537709803] [2021-07-14 06:17:27,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:17:27,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:17:27,747 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:17:27,747 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:17:27,747 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537709803] [2021-07-14 06:17:27,747 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537709803] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:17:27,747 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [123367017] [2021-07-14 06:17:27,747 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 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:17:27,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:17:27,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-14 06:17:27,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:17:28,215 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:28,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:17:28,216 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:28,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:17:28,219 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:28,231 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:17:28,232 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:17:28,232 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 06:17:28,529 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:28,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:17:28,531 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:28,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:17:28,533 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:28,548 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 06:17:28,548 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 06:17:28,548 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 06:17:28,548 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 06:17:28,587 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:17:28,587 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [123367017] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:17:28,587 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:17:28,587 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 49 [2021-07-14 06:17:28,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607590901] [2021-07-14 06:17:28,588 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-14 06:17:28,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:17:28,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-14 06:17:28,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=2205, Unknown=0, NotChecked=0, Total=2352 [2021-07-14 06:17:28,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:17:28,589 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:17:28,589 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 1.346938775510204) internal successors, (66), 49 states have internal predecessors, (66), 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 06:17:28,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:17:28,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:17:28,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:28,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:28,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:28,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:17:28,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:17:28,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:28,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:28,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:28,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:17:28,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:17:28,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:28,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:28,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:28,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:17:28,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:17:28,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:17:28,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 06:17:28,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:17:28,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:28,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:28,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:17:28,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:17:28,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:17:28,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:17:28,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:17:28,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 06:17:28,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:17:28,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:28,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:17:30,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:17:30,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:17:30,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:30,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:30,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:30,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:17:30,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:17:30,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:30,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:30,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:30,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:17:30,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:17:30,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:30,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:30,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:30,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:17:30,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:17:30,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:17:30,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 06:17:30,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:17:30,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:30,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:30,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:17:30,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:17:30,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:17:30,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:17:30,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:17:30,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 06:17:30,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:17:30,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:30,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:17:31,001 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable312 [2021-07-14 06:17:31,002 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:17:31,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:17:31,002 INFO L82 PathProgramCache]: Analyzing trace with hash 2121761456, now seen corresponding path program 26 times [2021-07-14 06:17:31,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:17:31,002 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865148601] [2021-07-14 06:17:31,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:17:31,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:17:32,191 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:17:32,191 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:17:32,191 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865148601] [2021-07-14 06:17:32,191 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865148601] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:17:32,191 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110027989] [2021-07-14 06:17:32,191 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 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:17:32,241 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 06:17:32,241 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:17:32,243 WARN L261 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 135 conjunts are in the unsatisfiable core [2021-07-14 06:17:32,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:17:33,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 79 [2021-07-14 06:17:33,617 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:33,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 81 [2021-07-14 06:17:33,636 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:33,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 71 [2021-07-14 06:17:33,657 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:33,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 79 [2021-07-14 06:17:33,661 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:33,718 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:17:33,719 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 06:17:33,719 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:436, output treesize:232 [2021-07-14 06:17:34,273 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 55 [2021-07-14 06:17:34,581 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 56 [2021-07-14 06:17:34,853 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 57 [2021-07-14 06:17:35,099 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 58 [2021-07-14 06:17:35,328 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 59 [2021-07-14 06:17:35,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 53 [2021-07-14 06:17:35,550 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:35,619 INFO L628 ElimStorePlain]: treesize reduction 85, result has 70.7 percent of original size [2021-07-14 06:17:35,619 INFO L518 ElimStorePlain]: Eliminatee v_prenex_42 vanished before elimination [2021-07-14 06:17:35,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 45 [2021-07-14 06:17:35,624 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:35,723 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:17:35,723 INFO L518 ElimStorePlain]: Eliminatee v_prenex_41 vanished before elimination [2021-07-14 06:17:35,726 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 06:17:35,728 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 06:17:35,760 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:17:35,760 INFO L518 ElimStorePlain]: Eliminatee v_prenex_40 vanished before elimination [2021-07-14 06:17:35,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 51 [2021-07-14 06:17:35,773 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:35,793 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:17:35,793 INFO L518 ElimStorePlain]: Eliminatee v_prenex_44 vanished before elimination [2021-07-14 06:17:35,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 45 [2021-07-14 06:17:35,798 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:35,809 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:17:35,810 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 12 treesize of output 8 [2021-07-14 06:17:35,811 INFO L550 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 06:17:35,822 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:17:35,823 INFO L550 ElimStorePlain]: Start of recursive call 1: 10 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 06:17:35,823 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 10 variables, input treesize:351, output treesize:32 [2021-07-14 06:17:35,905 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:17:35,905 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1110027989] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:17:35,905 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:17:35,905 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 26] total 52 [2021-07-14 06:17:35,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507139733] [2021-07-14 06:17:35,906 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-07-14 06:17:35,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:17:35,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-07-14 06:17:35,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=2542, Unknown=0, NotChecked=0, Total=2652 [2021-07-14 06:17:35,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:17:35,907 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:17:35,907 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 1.3076923076923077) internal successors, (68), 52 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:17:35,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:17:35,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:17:35,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:35,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:35,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:35,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:17:35,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:17:35,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:35,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:35,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:35,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:17:35,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:17:35,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:35,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:35,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:35,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:17:35,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:17:35,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:17:35,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 06:17:35,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:17:35,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:35,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:35,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:17:35,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:17:35,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:17:35,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:17:35,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:17:35,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 06:17:35,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:17:35,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:35,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:17:35,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:17:38,739 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 75 [2021-07-14 06:17:39,189 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 82 [2021-07-14 06:17:39,512 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 90 [2021-07-14 06:17:39,758 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 81 [2021-07-14 06:17:40,097 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 94 [2021-07-14 06:17:40,359 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 91 [2021-07-14 06:17:40,689 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 102 [2021-07-14 06:17:40,974 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 43 [2021-07-14 06:17:41,527 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 118 [2021-07-14 06:17:41,997 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 105 [2021-07-14 06:17:42,396 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 116 [2021-07-14 06:17:42,742 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 119 [2021-07-14 06:17:43,118 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 105 [2021-07-14 06:17:43,575 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 120 [2021-07-14 06:17:43,987 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 116 [2021-07-14 06:17:44,347 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 112 [2021-07-14 06:17:44,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:17:44,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:17:44,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:44,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:44,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:44,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:17:44,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:17:44,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:44,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:44,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:44,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:17:44,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:17:44,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:44,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:44,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:44,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:17:44,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:17:44,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:17:44,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 06:17:44,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:17:44,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:44,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:44,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:17:44,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:17:44,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:17:44,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:17:44,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:17:44,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 06:17:44,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:17:44,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:44,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:17:44,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 06:17:44,636 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable315 [2021-07-14 06:17:44,637 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:17:44,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:17:44,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1350755880, now seen corresponding path program 27 times [2021-07-14 06:17:44,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:17:44,637 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822372335] [2021-07-14 06:17:44,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:17:44,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:17:44,892 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 36 proven. 28 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-07-14 06:17:44,892 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:17:44,892 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822372335] [2021-07-14 06:17:44,892 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822372335] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:17:44,892 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1663180888] [2021-07-14 06:17:44,892 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 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:17:44,948 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 06:17:44,949 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:17:44,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 65 conjunts are in the unsatisfiable core [2021-07-14 06:17:44,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:17:45,433 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-14 06:17:45,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 50 treesize of output 36 [2021-07-14 06:17:45,435 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:45,479 INFO L354 Elim1Store]: treesize reduction 144, result has 14.8 percent of original size [2021-07-14 06:17:45,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 60 treesize of output 68 [2021-07-14 06:17:45,482 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:45,511 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:17:45,511 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 06:17:45,547 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:17:45,548 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 8 variables, input treesize:185, output treesize:47 [2021-07-14 06:17:45,911 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 28 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:17:45,911 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1663180888] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:17:45,911 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:17:45,911 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 27] total 43 [2021-07-14 06:17:45,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717661902] [2021-07-14 06:17:45,912 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-07-14 06:17:45,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:17:45,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-07-14 06:17:45,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=270, Invalid=1536, Unknown=0, NotChecked=0, Total=1806 [2021-07-14 06:17:45,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:17:45,914 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:17:45,914 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.3953488372093024) internal successors, (60), 43 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:17:45,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:17:45,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:17:45,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:45,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:45,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:45,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:17:45,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:17:45,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:45,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:45,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:45,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:17:45,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:17:45,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:45,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:45,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:45,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:17:45,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:17:45,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:17:45,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 06:17:45,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:17:45,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:45,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:45,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:17:45,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:17:45,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:17:45,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:17:45,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:17:45,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 06:17:45,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:17:45,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:45,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:17:45,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 06:17:45,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:18:11,110 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2021-07-14 06:18:19,212 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-07-14 06:18:29,903 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 100 [2021-07-14 06:18:30,327 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 102 [2021-07-14 06:18:30,827 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 102 [2021-07-14 06:18:31,261 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 102 [2021-07-14 06:18:31,703 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 102 [2021-07-14 06:18:32,134 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 102 [2021-07-14 06:18:32,637 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 111 [2021-07-14 06:18:33,324 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 113 [2021-07-14 06:18:33,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:18:33,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:18:33,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:33,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:33,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:33,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:18:33,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:18:33,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:33,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:18:33,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:18:33,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:18:33,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:18:33,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:33,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:33,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:33,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:18:33,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:18:33,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:18:33,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 06:18:33,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:18:33,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:33,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:33,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:18:33,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:18:33,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:18:33,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:18:33,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:18:33,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 06:18:33,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:18:33,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:18:33,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:18:33,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 06:18:33,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 652 states. [2021-07-14 06:18:33,781 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable336 [2021-07-14 06:18:33,782 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:18:33,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:18:33,782 INFO L82 PathProgramCache]: Analyzing trace with hash 249881846, now seen corresponding path program 28 times [2021-07-14 06:18:33,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:18:33,782 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822715592] [2021-07-14 06:18:33,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:18:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:18:34,067 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 7 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:18:34,067 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:18:34,067 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822715592] [2021-07-14 06:18:34,067 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822715592] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:18:34,067 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1025010923] [2021-07-14 06:18:34,067 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 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:18:34,124 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 06:18:34,124 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:18:34,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-14 06:18:34,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:18:34,240 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:34,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:18:34,241 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:34,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:18:34,243 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:34,255 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:18:34,255 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:18:34,255 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 06:18:34,474 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:34,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 06:18:34,476 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:34,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 06:18:34,479 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:34,481 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:34,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:18:34,482 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:34,483 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 06:18:34,484 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:34,498 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-07-14 06:18:34,498 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 06:18:34,498 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:18:34,499 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 06:18:34,531 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 7 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:18:34,531 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1025010923] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:18:34,532 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:18:34,532 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 34 [2021-07-14 06:18:34,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915721694] [2021-07-14 06:18:34,532 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-14 06:18:34,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:18:34,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-14 06:18:34,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1036, Unknown=0, NotChecked=0, Total=1122 [2021-07-14 06:18:34,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:18:34,533 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:18:34,533 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 34 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:18:34,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:18:34,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:18:34,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:34,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:34,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:34,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:18:34,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:18:34,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:34,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:18:34,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:18:34,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:18:34,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:18:34,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:34,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:34,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:34,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:18:34,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:18:34,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:18:34,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 06:18:34,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:18:34,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:34,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:34,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:18:34,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:18:34,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:18:34,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:18:34,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:18:34,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 06:18:34,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:18:34,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:18:34,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:18:34,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 06:18:34,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 652 states. [2021-07-14 06:18:34,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:18:37,260 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 93 [2021-07-14 06:18:37,564 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 93 [2021-07-14 06:18:37,868 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 93 [2021-07-14 06:18:38,175 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 93 [2021-07-14 06:18:38,484 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 93 [2021-07-14 06:18:38,836 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 99 [2021-07-14 06:18:39,212 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 105 [2021-07-14 06:18:44,303 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 28 [2021-07-14 06:18:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:18:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:18:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:18:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:18:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:18:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:18:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:18:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:18:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:18:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:18:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:18:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 06:18:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:18:44,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:44,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:44,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:18:44,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:18:44,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:18:44,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:18:44,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:18:44,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 06:18:44,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:18:44,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:18:44,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:18:44,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 06:18:44,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 700 states. [2021-07-14 06:18:44,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:18:44,716 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable349 [2021-07-14 06:18:44,717 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:18:44,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:18:44,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1540514478, now seen corresponding path program 29 times [2021-07-14 06:18:44,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:18:44,717 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764069833] [2021-07-14 06:18:44,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:18:44,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:18:45,934 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:18:45,934 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:18:45,934 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764069833] [2021-07-14 06:18:45,934 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764069833] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:18:45,934 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640900305] [2021-07-14 06:18:45,934 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 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:18:45,987 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-14 06:18:45,988 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:18:45,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 97 conjunts are in the unsatisfiable core [2021-07-14 06:18:45,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:18:46,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:46,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:46,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:46,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:46,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:46,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:46,902 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:46,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 51 [2021-07-14 06:18:46,913 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:46,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:46,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:46,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:46,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:46,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:46,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:46,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 43 [2021-07-14 06:18:46,922 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:46,943 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:18:46,944 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:18:46,944 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:159, output treesize:49 [2021-07-14 06:18:47,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 43 [2021-07-14 06:18:47,798 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:47,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 45 [2021-07-14 06:18:47,803 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:47,816 INFO L628 ElimStorePlain]: treesize reduction 14, result has 63.2 percent of original size [2021-07-14 06:18:47,817 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 06:18:47,819 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 06:18:47,825 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:18:47,825 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:18:47,825 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:136, output treesize:16 [2021-07-14 06:18:47,878 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:18:47,878 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1640900305] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:18:47,878 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:18:47,878 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 55 [2021-07-14 06:18:47,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281048530] [2021-07-14 06:18:47,879 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-07-14 06:18:47,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:18:47,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-07-14 06:18:47,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=2824, Unknown=0, NotChecked=0, Total=2970 [2021-07-14 06:18:47,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:18:47,880 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:18:47,880 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 1.2727272727272727) internal successors, (70), 55 states have internal predecessors, (70), 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 06:18:47,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:18:47,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:18:47,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:47,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:47,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:47,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:18:47,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:18:47,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:47,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:18:47,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:18:47,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:18:47,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:18:47,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:47,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:47,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:47,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:18:47,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:18:47,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:18:47,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 06:18:47,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:18:47,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:47,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:47,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:18:47,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:18:47,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:18:47,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:18:47,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:18:47,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 06:18:47,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:18:47,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:18:47,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:18:47,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 06:18:47,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 700 states. [2021-07-14 06:18:47,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:18:47,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:18:51,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:18:51,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:18:51,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:51,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:51,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:51,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:18:51,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:18:51,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:51,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:18:51,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:18:51,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:18:51,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:18:51,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:51,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:51,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:51,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:18:51,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:18:51,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:18:51,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 06:18:51,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:18:51,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:51,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:51,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:18:51,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:18:51,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:18:51,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:18:51,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:18:51,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 06:18:51,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:18:51,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:18:51,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:18:51,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 06:18:51,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 700 states. [2021-07-14 06:18:51,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:18:51,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:18:52,081 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable355 [2021-07-14 06:18:52,081 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:18:52,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:18:52,081 INFO L82 PathProgramCache]: Analyzing trace with hash -1840917036, now seen corresponding path program 30 times [2021-07-14 06:18:52,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:18:52,082 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889377752] [2021-07-14 06:18:52,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:18:52,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:18:52,710 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:18:52,711 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:18:52,711 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889377752] [2021-07-14 06:18:52,711 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889377752] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:18:52,711 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275087439] [2021-07-14 06:18:52,711 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 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:18:52,770 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-14 06:18:52,770 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:18:52,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 56 conjunts are in the unsatisfiable core [2021-07-14 06:18:52,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:18:53,278 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:53,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:18:53,279 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:53,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:18:53,282 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:53,295 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:18:53,296 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:18:53,296 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 06:18:53,674 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:53,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:18:53,675 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:53,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:18:53,678 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:53,693 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 06:18:53,693 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 06:18:53,694 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 06:18:53,694 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 06:18:53,737 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:18:53,738 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1275087439] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:18:53,738 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:18:53,738 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 55 [2021-07-14 06:18:53,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105725605] [2021-07-14 06:18:53,738 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-07-14 06:18:53,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:18:53,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-07-14 06:18:53,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=2803, Unknown=0, NotChecked=0, Total=2970 [2021-07-14 06:18:53,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:18:53,739 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:18:53,739 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 1.309090909090909) internal successors, (72), 55 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:18:53,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:18:53,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:18:53,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:53,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:53,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:53,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:18:53,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:18:53,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:53,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:18:53,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:18:53,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:18:53,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:18:53,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:53,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:53,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:53,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:18:53,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:18:53,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:18:53,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 06:18:53,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:18:53,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:53,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:53,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:18:53,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:18:53,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:18:53,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:18:53,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:18:53,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 06:18:53,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:18:53,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:18:53,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:18:53,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 06:18:53,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 700 states. [2021-07-14 06:18:53,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:18:53,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:18:53,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:18:57,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:18:57,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:18:57,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:57,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:57,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:57,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:18:57,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:18:57,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:57,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:18:57,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:18:57,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:18:57,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:18:57,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:57,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:57,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:57,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:18:57,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:18:57,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:18:57,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 06:18:57,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:18:57,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:57,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:57,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:18:57,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:18:57,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:18:57,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:18:57,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:18:57,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 06:18:57,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:18:57,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:18:57,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:18:57,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 06:18:57,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 700 states. [2021-07-14 06:18:57,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:18:57,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:18:57,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:18:57,291 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable382,37 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:18:57,291 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:18:57,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:18:57,291 INFO L82 PathProgramCache]: Analyzing trace with hash -1233193084, now seen corresponding path program 31 times [2021-07-14 06:18:57,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:18:57,291 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345059622] [2021-07-14 06:18:57,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:18:57,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:18:58,871 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 14 [2021-07-14 06:18:58,872 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:18:58,872 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:18:58,872 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345059622] [2021-07-14 06:18:58,872 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345059622] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:18:58,872 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521684306] [2021-07-14 06:18:58,872 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 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:18:58,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:18:58,930 WARN L261 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 153 conjunts are in the unsatisfiable core [2021-07-14 06:18:58,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:19:00,567 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 125 treesize of output 91 [2021-07-14 06:19:00,568 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:00,589 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 113 treesize of output 81 [2021-07-14 06:19:00,590 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:00,618 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 123 treesize of output 89 [2021-07-14 06:19:00,619 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:00,634 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 123 treesize of output 89 [2021-07-14 06:19:00,643 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:00,695 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:19:00,697 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 06:19:00,697 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:492, output treesize:264 [2021-07-14 06:19:01,280 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 59 [2021-07-14 06:19:01,724 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 60 [2021-07-14 06:19:01,974 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 60 [2021-07-14 06:19:02,269 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 61 [2021-07-14 06:19:02,552 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 62 [2021-07-14 06:19:02,832 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2021-07-14 06:19:03,094 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2021-07-14 06:19:03,120 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 78 treesize of output 58 [2021-07-14 06:19:03,123 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:03,223 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 111 [2021-07-14 06:19:03,224 INFO L628 ElimStorePlain]: treesize reduction 14, result has 94.3 percent of original size [2021-07-14 06:19:03,227 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 76 treesize of output 56 [2021-07-14 06:19:03,230 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:03,266 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:19:03,266 INFO L518 ElimStorePlain]: Eliminatee v_prenex_51 vanished before elimination [2021-07-14 06:19:03,266 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 06:19:03,269 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 76 treesize of output 56 [2021-07-14 06:19:03,283 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:03,300 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:19:03,301 INFO L518 ElimStorePlain]: Eliminatee v_prenex_46 vanished before elimination [2021-07-14 06:19:03,302 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 68 treesize of output 50 [2021-07-14 06:19:03,308 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:03,317 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:19:03,319 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 12 treesize of output 8 [2021-07-14 06:19:03,320 INFO L550 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 06:19:03,328 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:19:03,329 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 06:19:03,329 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 8 variables, input treesize:312, output treesize:32 [2021-07-14 06:19:03,413 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:19:03,413 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [521684306] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:19:03,413 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:19:03,413 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 29] total 58 [2021-07-14 06:19:03,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818583875] [2021-07-14 06:19:03,414 INFO L462 AbstractCegarLoop]: Interpolant automaton has 58 states [2021-07-14 06:19:03,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:19:03,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-07-14 06:19:03,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=3183, Unknown=0, NotChecked=0, Total=3306 [2021-07-14 06:19:03,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:19:03,415 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:19:03,415 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 58 states, 58 states have (on average 1.2758620689655173) internal successors, (74), 58 states have internal predecessors, (74), 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 06:19:03,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:19:03,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:19:03,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:03,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:03,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:03,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:19:03,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:19:03,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:03,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:19:03,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:19:03,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:19:03,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:19:03,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:03,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:03,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:03,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:19:03,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:19:03,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:19:03,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 06:19:03,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:19:03,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:03,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:03,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:19:03,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:19:03,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:19:03,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:19:03,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:19:03,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 06:19:03,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:03,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:19:03,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:03,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 06:19:03,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 700 states. [2021-07-14 06:19:03,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:19:03,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:19:03,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:19:03,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:19:07,584 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 79 [2021-07-14 06:19:07,804 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 73 [2021-07-14 06:19:08,037 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 84 [2021-07-14 06:19:08,334 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 89 [2021-07-14 06:19:08,659 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 102 [2021-07-14 06:19:08,975 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 87 [2021-07-14 06:19:09,373 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 92 [2021-07-14 06:19:09,711 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 94 [2021-07-14 06:19:10,127 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 102 [2021-07-14 06:19:10,505 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 374 DAG size of output: 47 [2021-07-14 06:19:11,030 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 124 [2021-07-14 06:19:11,691 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 130 [2021-07-14 06:19:12,240 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 129 [2021-07-14 06:19:12,781 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 130 [2021-07-14 06:19:13,335 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 130 [2021-07-14 06:19:13,974 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 130 [2021-07-14 06:19:14,524 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 132 [2021-07-14 06:19:14,997 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 124 [2021-07-14 06:19:15,448 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 119 [2021-07-14 06:19:15,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:19:15,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:19:15,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:15,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:15,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:15,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:19:15,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:19:15,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:15,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:19:15,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:19:15,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:19:15,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:19:15,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:15,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:15,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:15,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:19:15,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:19:15,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:19:15,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 06:19:15,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:19:15,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:15,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:15,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:19:15,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:19:15,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:19:15,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:19:15,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:19:15,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 06:19:15,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:15,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:19:15,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:15,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 06:19:15,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 700 states. [2021-07-14 06:19:15,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:19:15,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:19:15,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:19:15,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:19:15,757 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable385 [2021-07-14 06:19:15,758 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:19:15,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:19:15,758 INFO L82 PathProgramCache]: Analyzing trace with hash 426380244, now seen corresponding path program 32 times [2021-07-14 06:19:15,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:19:15,758 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730281052] [2021-07-14 06:19:15,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:19:15,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:19:16,012 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 45 proven. 36 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-07-14 06:19:16,012 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:19:16,012 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730281052] [2021-07-14 06:19:16,012 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730281052] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:19:16,012 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446641610] [2021-07-14 06:19:16,012 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 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:19:16,063 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 06:19:16,064 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:19:16,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 47 conjunts are in the unsatisfiable core [2021-07-14 06:19:16,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:19:17,859 INFO L354 Elim1Store]: treesize reduction 196, result has 12.9 percent of original size [2021-07-14 06:19:17,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 67 treesize of output 77 [2021-07-14 06:19:17,863 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:17,892 INFO L354 Elim1Store]: treesize reduction 224, result has 0.4 percent of original size [2021-07-14 06:19:17,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 57 treesize of output 41 [2021-07-14 06:19:17,895 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:17,949 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:19:17,949 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 06:19:17,960 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:19:17,960 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 9 variables, input treesize:209, output treesize:37 [2021-07-14 06:19:18,284 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 36 proven. 45 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-07-14 06:19:18,285 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446641610] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:19:18,285 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:19:18,285 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 40 [2021-07-14 06:19:18,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471675090] [2021-07-14 06:19:18,285 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-14 06:19:18,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:19:18,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-14 06:19:18,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=265, Invalid=1295, Unknown=0, NotChecked=0, Total=1560 [2021-07-14 06:19:18,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:19:18,286 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:19:18,286 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.35) internal successors, (54), 40 states have internal predecessors, (54), 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 06:19:18,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:19:18,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:19:18,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:18,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:18,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:18,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:19:18,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:19:18,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:18,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:19:18,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:19:18,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:19:18,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:19:18,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:18,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:18,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:18,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:19:18,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:19:18,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:19:18,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 06:19:18,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:19:18,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:18,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:18,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:19:18,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:19:18,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:19:18,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:19:18,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:19:18,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 06:19:18,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:18,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:19:18,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:18,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 06:19:18,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 700 states. [2021-07-14 06:19:18,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:19:18,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:19:18,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:19:18,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:19:18,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:19:19,472 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 35 [2021-07-14 06:19:35,313 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2021-07-14 06:19:40,927 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2021-07-14 06:19:47,378 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2021-07-14 06:19:53,572 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2021-07-14 06:19:59,654 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2021-07-14 06:20:04,647 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2021-07-14 06:20:11,180 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2021-07-14 06:20:19,802 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2021-07-14 06:20:32,287 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2021-07-14 06:20:44,425 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2021-07-14 06:20:55,135 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2021-07-14 06:20:57,128 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2021-07-14 06:20:57,464 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2021-07-14 06:20:57,761 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2021-07-14 06:20:58,005 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 82 [2021-07-14 06:20:58,254 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 87 [2021-07-14 06:20:58,505 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 92 [2021-07-14 06:20:58,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:20:58,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:20:58,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:20:58,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:20:58,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:20:58,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:20:58,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:20:58,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:20:58,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:20:58,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:20:58,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:20:58,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:20:58,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:20:58,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:58,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:20:58,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:20:58,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:20:58,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:20:58,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 06:20:58,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:20:58,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:58,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:58,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:20:58,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:20:58,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:20:58,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:20:58,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:20:58,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 06:20:58,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:20:58,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:20:58,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:20:58,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 06:20:58,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 700 states. [2021-07-14 06:20:58,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:20:58,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:20:58,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:20:58,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:20:58,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-07-14 06:20:58,977 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable408,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:20:58,978 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:20:58,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:20:58,978 INFO L82 PathProgramCache]: Analyzing trace with hash -510648378, now seen corresponding path program 33 times [2021-07-14 06:20:58,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:20:58,978 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471019284] [2021-07-14 06:20:58,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:20:58,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:20:59,399 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 8 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:20:59,400 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:20:59,400 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471019284] [2021-07-14 06:20:59,400 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471019284] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:20:59,400 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055796251] [2021-07-14 06:20:59,400 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 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:20:59,457 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 06:20:59,458 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:20:59,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 56 conjunts are in the unsatisfiable core [2021-07-14 06:20:59,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:20:59,611 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:59,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:20:59,612 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:59,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:20:59,615 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:59,628 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:20:59,629 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:20:59,629 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 06:20:59,911 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:59,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 06:20:59,913 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:59,915 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:59,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:20:59,916 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:59,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 06:20:59,919 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:59,920 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 06:20:59,921 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:59,937 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-07-14 06:20:59,937 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 06:20:59,938 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:20:59,938 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 06:20:59,979 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 8 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:20:59,979 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2055796251] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:20:59,979 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:20:59,979 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 38 [2021-07-14 06:20:59,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809606082] [2021-07-14 06:20:59,979 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-07-14 06:20:59,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:20:59,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-07-14 06:20:59,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1309, Unknown=0, NotChecked=0, Total=1406 [2021-07-14 06:20:59,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:20:59,980 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:20:59,980 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 1.3421052631578947) internal successors, (51), 38 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:20:59,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:20:59,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:20:59,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:20:59,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:20:59,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:20:59,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:20:59,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:20:59,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:20:59,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:20:59,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:20:59,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:20:59,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:20:59,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:20:59,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:59,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:20:59,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:20:59,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:20:59,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:20:59,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 06:20:59,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:20:59,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:59,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:59,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:20:59,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:20:59,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:20:59,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:20:59,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:20:59,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 06:20:59,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:20:59,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:20:59,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:20:59,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 06:20:59,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 700 states. [2021-07-14 06:20:59,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:20:59,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:20:59,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:20:59,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:20:59,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-07-14 06:20:59,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:21:05,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:21:05,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:21:05,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:21:05,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:21:05,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:21:05,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:21:05,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:21:05,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:21:05,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:21:05,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:21:05,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:21:05,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:21:05,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:21:05,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:21:05,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:21:05,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:21:05,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:21:05,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:21:05,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 06:21:05,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:21:05,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:21:05,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:21:05,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:21:05,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:21:05,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:21:05,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:21:05,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:21:05,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 06:21:05,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:21:05,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:21:05,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:21:05,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 06:21:05,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 700 states. [2021-07-14 06:21:05,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:21:05,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:21:05,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:21:05,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:21:05,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-07-14 06:21:05,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 06:21:05,230 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable429,40 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:21:05,231 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:21:05,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:21:05,231 INFO L82 PathProgramCache]: Analyzing trace with hash 958677410, now seen corresponding path program 34 times [2021-07-14 06:21:05,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:21:05,231 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501469234] [2021-07-14 06:21:05,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:21:05,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:21:06,229 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:21:06,230 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:21:06,230 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501469234] [2021-07-14 06:21:06,230 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501469234] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:21:06,230 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [741415872] [2021-07-14 06:21:06,230 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 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:21:06,293 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 06:21:06,293 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:21:06,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 109 conjunts are in the unsatisfiable core [2021-07-14 06:21:06,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:21:06,910 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 74 treesize of output 54 [2021-07-14 06:21:06,913 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:06,915 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 64 treesize of output 46 [2021-07-14 06:21:06,918 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:06,929 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:21:06,929 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:21:06,929 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:150, output treesize:38 [2021-07-14 06:21:07,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,837 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:07,852 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 92 treesize of output 66 [2021-07-14 06:21:07,855 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:07,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,871 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:07,885 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 82 treesize of output 58 [2021-07-14 06:21:07,888 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:07,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,904 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:07,918 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 72 treesize of output 50 [2021-07-14 06:21:07,920 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:07,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:07,931 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 82 treesize of output 58 [2021-07-14 06:21:07,934 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:07,976 INFO L628 ElimStorePlain]: treesize reduction 72, result has 40.5 percent of original size [2021-07-14 06:21:07,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2021-07-14 06:21:07,979 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:07,996 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:21:07,996 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:21:07,996 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 2 variables, input treesize:379, output treesize:35 [2021-07-14 06:21:08,104 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:21:08,104 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [741415872] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:21:08,104 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:21:08,104 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 50 [2021-07-14 06:21:08,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555062665] [2021-07-14 06:21:08,105 INFO L462 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-07-14 06:21:08,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:21:08,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-07-14 06:21:08,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=2335, Unknown=0, NotChecked=0, Total=2450 [2021-07-14 06:21:08,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:21:08,106 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:21:08,106 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 50 states, 50 states have (on average 1.28) internal successors, (64), 50 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:21:08,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:21:08,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:21:08,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:21:08,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:21:08,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:21:08,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:21:08,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:21:08,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:21:08,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:21:08,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:21:08,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:21:08,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:21:08,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:21:08,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:21:08,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:21:08,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:21:08,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:21:08,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:21:08,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 06:21:08,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:21:08,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:21:08,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:21:08,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:21:08,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:21:08,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:21:08,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:21:08,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:21:08,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 06:21:08,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:21:08,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:21:08,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:21:08,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 06:21:08,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 700 states. [2021-07-14 06:21:08,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:21:08,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:21:08,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:21:08,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:21:08,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-07-14 06:21:08,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 06:21:08,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:21:12,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:21:12,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:21:12,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:21:12,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:21:12,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:21:12,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:21:12,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:21:12,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:21:12,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:21:12,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:21:12,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:21:12,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:21:12,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:21:12,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:21:12,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:21:12,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:21:12,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:21:12,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:21:12,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 06:21:12,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:21:12,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:21:12,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:21:12,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:21:12,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:21:12,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:21:12,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:21:12,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:21:12,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 06:21:12,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:21:12,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:21:12,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:21:12,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 06:21:12,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 700 states. [2021-07-14 06:21:12,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:21:12,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:21:12,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:21:12,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:21:12,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-07-14 06:21:12,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 06:21:12,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:21:13,049 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable435,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:21:13,049 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:21:13,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:21:13,049 INFO L82 PathProgramCache]: Analyzing trace with hash 1366233384, now seen corresponding path program 35 times [2021-07-14 06:21:13,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:21:13,049 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335306973] [2021-07-14 06:21:13,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:21:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:21:13,607 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:21:13,607 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:21:13,607 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335306973] [2021-07-14 06:21:13,607 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335306973] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:21:13,607 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1624143992] [2021-07-14 06:21:13,608 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 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:21:13,667 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 06:21:13,668 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:21:13,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 62 conjunts are in the unsatisfiable core [2021-07-14 06:21:13,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:21:13,835 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:13,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:21:13,836 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:13,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:21:13,839 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:13,852 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:21:13,852 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:21:13,852 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 06:21:14,195 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:14,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:21:14,196 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:14,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:21:14,199 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:14,214 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 06:21:14,215 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 06:21:14,215 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 06:21:14,215 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 06:21:14,252 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:21:14,253 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1624143992] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:21:14,253 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:21:14,253 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 42 [2021-07-14 06:21:14,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337344648] [2021-07-14 06:21:14,253 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-07-14 06:21:14,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:21:14,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-07-14 06:21:14,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1614, Unknown=0, NotChecked=0, Total=1722 [2021-07-14 06:21:14,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:21:14,254 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:21:14,254 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 42 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:21:14,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:21:14,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:21:14,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:21:14,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:21:14,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:21:14,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:21:14,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:21:14,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:21:14,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:21:14,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:21:14,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:21:14,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:21:14,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:21:14,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:21:14,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:21:14,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:21:14,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:21:14,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:21:14,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 06:21:14,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:21:14,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:21:14,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:21:14,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:21:14,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:21:14,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:21:14,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:21:14,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:21:14,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 06:21:14,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:21:14,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:21:14,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:21:14,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 06:21:14,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 700 states. [2021-07-14 06:21:14,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:21:14,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:21:14,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:21:14,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:21:14,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-07-14 06:21:14,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 06:21:14,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:21:14,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:21:17,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:21:17,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:21:17,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:21:17,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:21:17,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:21:17,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:21:17,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:21:17,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:21:17,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:21:17,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:21:17,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:21:17,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:21:17,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:21:17,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:21:17,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:21:17,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:21:17,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:21:17,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:21:17,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 06:21:17,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:21:17,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:21:17,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:21:17,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:21:17,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:21:17,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:21:17,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:21:17,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:21:17,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 06:21:17,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:21:17,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:21:17,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:21:17,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 06:21:17,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 700 states. [2021-07-14 06:21:17,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:21:17,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:21:17,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:21:17,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:21:17,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-07-14 06:21:17,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 06:21:17,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:21:17,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 06:21:17,780 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable459 [2021-07-14 06:21:17,781 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:21:17,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:21:17,781 INFO L82 PathProgramCache]: Analyzing trace with hash -595777872, now seen corresponding path program 36 times [2021-07-14 06:21:17,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:21:17,781 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639803338] [2021-07-14 06:21:17,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:21:17,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:21:18,374 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 22 [2021-07-14 06:21:19,932 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 37 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:21:19,932 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:21:19,932 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639803338] [2021-07-14 06:21:19,932 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639803338] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:21:19,932 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561985210] [2021-07-14 06:21:19,932 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 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:21:19,992 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-14 06:21:19,992 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:21:19,994 WARN L261 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 171 conjunts are in the unsatisfiable core [2021-07-14 06:21:19,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:21:21,949 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 139 treesize of output 101 [2021-07-14 06:21:21,954 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:21,979 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 137 treesize of output 99 [2021-07-14 06:21:21,980 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:22,006 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 127 treesize of output 91 [2021-07-14 06:21:22,008 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:22,010 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 137 treesize of output 99 [2021-07-14 06:21:22,012 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:22,079 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:21:22,081 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 06:21:22,081 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:548, output treesize:284 [2021-07-14 06:21:22,794 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2021-07-14 06:21:22,906 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2021-07-14 06:21:23,200 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 64 [2021-07-14 06:21:23,557 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 65 [2021-07-14 06:21:23,895 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 66 [2021-07-14 06:21:24,196 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 67 [2021-07-14 06:21:24,485 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2021-07-14 06:21:24,765 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 69 [2021-07-14 06:21:25,035 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2021-07-14 06:21:25,090 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 83 treesize of output 61 [2021-07-14 06:21:25,093 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:25,175 INFO L628 ElimStorePlain]: treesize reduction 251, result has 41.2 percent of original size [2021-07-14 06:21:25,175 INFO L518 ElimStorePlain]: Eliminatee v_prenex_60 vanished before elimination [2021-07-14 06:21:25,175 INFO L518 ElimStorePlain]: Eliminatee v_prenex_54 vanished before elimination [2021-07-14 06:21:25,175 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 06:21:25,178 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 75 treesize of output 55 [2021-07-14 06:21:25,181 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:25,205 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:21:25,208 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 12 treesize of output 8 [2021-07-14 06:21:25,209 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 06:21:25,233 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:21:25,234 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 06:21:25,236 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 83 treesize of output 61 [2021-07-14 06:21:25,240 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:25,251 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:21:25,252 INFO L518 ElimStorePlain]: Eliminatee v_prenex_57 vanished before elimination [2021-07-14 06:21:25,252 INFO L518 ElimStorePlain]: Eliminatee v_prenex_56 vanished before elimination [2021-07-14 06:21:25,252 INFO L518 ElimStorePlain]: Eliminatee v_prenex_55 vanished before elimination [2021-07-14 06:21:25,252 INFO L518 ElimStorePlain]: Eliminatee v_prenex_59 vanished before elimination [2021-07-14 06:21:25,252 INFO L550 ElimStorePlain]: Start of recursive call 1: 12 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 06:21:25,253 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 12 variables, input treesize:502, output treesize:32 [2021-07-14 06:21:25,350 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:21:25,350 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1561985210] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:21:25,350 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:21:25,350 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 32] total 64 [2021-07-14 06:21:25,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747506280] [2021-07-14 06:21:25,351 INFO L462 AbstractCegarLoop]: Interpolant automaton has 64 states [2021-07-14 06:21:25,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:21:25,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2021-07-14 06:21:25,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=3859, Unknown=0, NotChecked=0, Total=4032 [2021-07-14 06:21:25,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:21:25,352 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:21:25,352 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 64 states, 64 states have (on average 1.25) internal successors, (80), 64 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:21:25,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:21:25,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:21:25,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:21:25,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:21:25,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:21:25,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:21:25,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:21:25,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:21:25,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:21:25,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:21:25,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:21:25,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:21:25,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:21:25,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:21:25,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:21:25,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:21:25,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:21:25,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:21:25,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 06:21:25,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:21:25,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:21:25,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:21:25,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:21:25,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:21:25,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:21:25,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:21:25,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:21:25,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 06:21:25,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:21:25,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:21:25,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:21:25,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 06:21:25,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 700 states. [2021-07-14 06:21:25,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:21:25,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:21:25,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:21:25,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:21:25,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-07-14 06:21:25,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 06:21:25,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:21:25,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 06:21:25,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:21:26,320 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2021-07-14 06:21:26,594 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2021-07-14 06:21:26,866 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2021-07-14 06:21:27,135 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2021-07-14 06:21:27,414 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2021-07-14 06:21:27,693 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2021-07-14 06:21:28,042 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2021-07-14 06:21:28,313 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 61 [2021-07-14 06:21:28,586 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2021-07-14 06:21:29,373 WARN L205 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 212 [2021-07-14 06:21:29,684 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2021-07-14 06:21:30,095 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2021-07-14 06:21:30,373 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2021-07-14 06:21:30,665 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2021-07-14 06:21:30,974 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 90 [2021-07-14 06:21:31,289 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 90 [2021-07-14 06:21:31,599 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2021-07-14 06:21:31,909 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2021-07-14 06:21:32,216 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 85 [2021-07-14 06:21:32,523 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2021-07-14 06:21:33,421 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2021-07-14 06:21:33,713 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2021-07-14 06:21:33,977 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2021-07-14 06:21:34,331 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2021-07-14 06:21:34,611 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2021-07-14 06:21:34,891 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2021-07-14 06:21:35,176 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2021-07-14 06:21:35,455 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 65 [2021-07-14 06:21:35,724 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2021-07-14 06:21:36,482 WARN L205 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 215 [2021-07-14 06:21:36,776 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2021-07-14 06:21:37,168 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 90 [2021-07-14 06:21:37,482 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 90 [2021-07-14 06:21:37,791 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 90 [2021-07-14 06:21:38,133 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2021-07-14 06:21:38,452 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2021-07-14 06:21:38,752 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 90 [2021-07-14 06:21:39,053 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2021-07-14 06:21:39,354 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2021-07-14 06:21:39,650 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2021-07-14 06:21:40,695 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2021-07-14 06:21:40,960 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2021-07-14 06:21:41,222 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2021-07-14 06:21:41,487 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2021-07-14 06:21:41,752 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 71 [2021-07-14 06:21:42,019 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2021-07-14 06:21:42,289 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2021-07-14 06:21:42,563 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2021-07-14 06:21:42,833 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2021-07-14 06:21:43,590 WARN L205 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 218 [2021-07-14 06:21:43,883 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 96 [2021-07-14 06:21:44,283 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2021-07-14 06:21:44,590 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2021-07-14 06:21:44,896 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2021-07-14 06:21:45,204 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 98 [2021-07-14 06:21:45,539 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 98 [2021-07-14 06:21:45,869 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 93 [2021-07-14 06:21:46,197 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 93 [2021-07-14 06:21:46,595 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 93 [2021-07-14 06:21:46,915 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2021-07-14 06:21:47,949 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2021-07-14 06:21:48,248 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2021-07-14 06:21:48,547 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2021-07-14 06:21:48,839 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2021-07-14 06:21:49,116 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2021-07-14 06:21:49,388 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2021-07-14 06:21:49,662 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2021-07-14 06:21:49,931 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2021-07-14 06:21:50,191 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 78 [2021-07-14 06:21:50,913 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 221 [2021-07-14 06:21:51,194 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 100 [2021-07-14 06:21:51,566 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 98 [2021-07-14 06:21:51,851 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 98 [2021-07-14 06:21:52,213 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 98 [2021-07-14 06:21:52,499 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 102 [2021-07-14 06:21:52,809 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 101 [2021-07-14 06:21:53,145 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 97 [2021-07-14 06:21:53,479 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 97 [2021-07-14 06:21:53,814 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 97 [2021-07-14 06:21:54,142 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 96 [2021-07-14 06:21:55,132 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2021-07-14 06:21:55,414 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2021-07-14 06:21:55,690 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 81 [2021-07-14 06:21:55,970 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2021-07-14 06:21:56,249 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 77 [2021-07-14 06:21:56,539 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 81 [2021-07-14 06:21:56,820 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2021-07-14 06:21:57,096 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 77 [2021-07-14 06:21:57,360 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 82 [2021-07-14 06:21:58,201 WARN L205 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 224 [2021-07-14 06:21:58,515 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 104 [2021-07-14 06:21:58,918 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 102 [2021-07-14 06:21:59,234 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 102 [2021-07-14 06:21:59,529 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 102 [2021-07-14 06:21:59,828 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 105 [2021-07-14 06:22:00,129 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 105 [2021-07-14 06:22:00,421 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 101 [2021-07-14 06:22:00,753 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 101 [2021-07-14 06:22:01,090 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 101 [2021-07-14 06:22:01,426 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 100 [2021-07-14 06:22:02,192 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 73 [2021-07-14 06:22:02,428 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 86 [2021-07-14 06:22:02,724 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 86 [2021-07-14 06:22:03,023 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2021-07-14 06:22:03,330 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2021-07-14 06:22:03,724 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 81 [2021-07-14 06:22:04,030 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2021-07-14 06:22:04,338 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 86 [2021-07-14 06:22:04,643 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 81 [2021-07-14 06:22:04,934 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2021-07-14 06:22:05,737 WARN L205 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2021-07-14 06:22:06,055 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 108 [2021-07-14 06:22:06,482 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 106 [2021-07-14 06:22:06,807 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 106 [2021-07-14 06:22:07,125 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 105 [2021-07-14 06:22:07,449 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 109 [2021-07-14 06:22:07,770 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 109 [2021-07-14 06:22:08,087 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 105 [2021-07-14 06:22:08,398 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 105 [2021-07-14 06:22:08,742 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 105 [2021-07-14 06:22:09,087 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 104 [2021-07-14 06:22:09,985 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 78 [2021-07-14 06:22:10,231 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2021-07-14 06:22:10,537 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 90 [2021-07-14 06:22:10,843 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 90 [2021-07-14 06:22:11,151 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2021-07-14 06:22:11,458 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 86 [2021-07-14 06:22:11,772 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 90 [2021-07-14 06:22:12,087 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 90 [2021-07-14 06:22:12,399 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 86 [2021-07-14 06:22:12,692 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 91 [2021-07-14 06:22:13,484 WARN L205 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 232 [2021-07-14 06:22:13,812 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 113 [2021-07-14 06:22:14,239 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 111 [2021-07-14 06:22:14,563 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 110 [2021-07-14 06:22:14,890 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 111 [2021-07-14 06:22:15,222 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 114 [2021-07-14 06:22:15,552 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 114 [2021-07-14 06:22:15,878 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 110 [2021-07-14 06:22:16,203 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 110 [2021-07-14 06:22:16,602 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 110 [2021-07-14 06:22:16,954 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 109 [2021-07-14 06:22:17,818 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2021-07-14 06:22:18,061 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 93 [2021-07-14 06:22:18,369 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 93 [2021-07-14 06:22:18,697 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2021-07-14 06:22:19,010 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2021-07-14 06:22:19,332 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 89 [2021-07-14 06:22:19,657 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2021-07-14 06:22:19,979 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 93 [2021-07-14 06:22:20,304 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 88 [2021-07-14 06:22:20,611 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2021-07-14 06:22:21,364 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 233 [2021-07-14 06:22:21,666 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 116 [2021-07-14 06:22:22,069 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 113 [2021-07-14 06:22:22,465 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 113 [2021-07-14 06:22:22,786 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 113 [2021-07-14 06:22:23,117 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 117 [2021-07-14 06:22:23,451 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 117 [2021-07-14 06:22:23,782 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 113 [2021-07-14 06:22:24,104 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 113 [2021-07-14 06:22:24,438 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 113 [2021-07-14 06:22:24,764 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2021-07-14 06:22:25,857 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 87 [2021-07-14 06:22:26,115 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 86 [2021-07-14 06:22:26,380 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 91 [2021-07-14 06:22:26,717 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 90 [2021-07-14 06:22:27,051 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 95 [2021-07-14 06:22:27,393 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 100 [2021-07-14 06:22:27,751 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 105 [2021-07-14 06:22:28,111 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 110 [2021-07-14 06:22:28,468 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 100 [2021-07-14 06:22:28,847 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 101 [2021-07-14 06:22:29,581 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 225 [2021-07-14 06:22:30,114 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 127 [2021-07-14 06:22:30,429 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 108 [2021-07-14 06:22:30,712 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 105 [2021-07-14 06:22:30,997 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 105 [2021-07-14 06:22:31,276 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 105 [2021-07-14 06:22:31,565 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 109 [2021-07-14 06:22:31,852 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 109 [2021-07-14 06:22:32,132 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 105 [2021-07-14 06:22:32,412 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 105 [2021-07-14 06:22:32,696 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 105 [2021-07-14 06:22:32,973 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 104 [2021-07-14 06:22:33,226 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 86 [2021-07-14 06:22:33,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:22:33,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:22:33,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:22:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:22:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:22:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:22:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:22:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:22:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:22:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:22:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:22:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:22:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:22:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:22:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:22:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:22:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:22:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:22:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 06:22:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:22:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:22:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:22:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:22:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:22:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:22:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:22:33,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:22:33,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 06:22:33,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:22:33,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:22:33,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:22:33,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 06:22:33,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 700 states. [2021-07-14 06:22:33,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:22:33,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:22:33,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:22:33,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:22:33,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-07-14 06:22:33,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 06:22:33,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:22:33,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 06:22:33,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2021-07-14 06:22:33,457 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable462,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:22:33,457 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:22:33,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:22:33,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1661109022, now seen corresponding path program 37 times [2021-07-14 06:22:33,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:22:33,457 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120578961] [2021-07-14 06:22:33,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:22:33,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:22:33,813 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 55 proven. 45 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-07-14 06:22:33,813 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:22:33,813 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120578961] [2021-07-14 06:22:33,814 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120578961] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:22:33,814 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835566930] [2021-07-14 06:22:33,814 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 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:22:33,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:22:33,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-14 06:22:33,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:22:34,066 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 18 treesize of output 14 [2021-07-14 06:22:34,067 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:22:34,069 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 17 treesize of output 13 [2021-07-14 06:22:34,070 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:22:34,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 06:22:34,072 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:22:34,087 INFO L628 ElimStorePlain]: treesize reduction 16, result has 56.8 percent of original size [2021-07-14 06:22:34,088 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 10 treesize of output 6 [2021-07-14 06:22:34,090 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 06:22:34,096 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:22:34,096 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:22:34,097 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:58, output treesize:15 [2021-07-14 06:22:34,985 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 90 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:22:34,985 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1835566930] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:22:34,985 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:22:34,985 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 35] total 56 [2021-07-14 06:22:34,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678961958] [2021-07-14 06:22:34,985 INFO L462 AbstractCegarLoop]: Interpolant automaton has 56 states [2021-07-14 06:22:34,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:22:34,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2021-07-14 06:22:34,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=364, Invalid=2716, Unknown=0, NotChecked=0, Total=3080 [2021-07-14 06:22:34,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:22:34,986 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:22:34,987 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 56 states, 56 states have (on average 1.2857142857142858) internal successors, (72), 56 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:22:34,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:22:34,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:22:34,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:22:34,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:22:34,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:22:34,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:22:34,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:22:34,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:22:34,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:22:34,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:22:34,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:22:34,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:22:34,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:22:34,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:22:34,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:22:34,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:22:34,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:22:34,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:22:34,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 06:22:34,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:22:34,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:22:34,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:22:34,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:22:34,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:22:34,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:22:34,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:22:34,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:22:34,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 06:22:34,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:22:34,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:22:34,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:22:34,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 06:22:34,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 700 states. [2021-07-14 06:22:34,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:22:34,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:22:34,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:22:34,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:22:34,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-07-14 06:22:34,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 06:22:34,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:22:34,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 06:22:34,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2021-07-14 06:22:34,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:22:38,878 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 23 [2021-07-14 06:22:46,625 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 32 [2021-07-14 06:22:51,323 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 125 [2021-07-14 06:22:51,847 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 125 [2021-07-14 06:22:52,323 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 125 [2021-07-14 06:22:52,828 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 129 [2021-07-14 06:22:53,333 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 129 [2021-07-14 06:22:53,824 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 125 [2021-07-14 06:22:54,348 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 125 [2021-07-14 06:22:54,870 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 128 [2021-07-14 06:22:55,285 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 111 [2021-07-14 06:22:55,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:22:55,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:22:55,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:22:55,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:22:55,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:22:55,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:22:55,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:22:55,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:22:55,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:22:55,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:22:55,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:22:55,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:22:55,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:22:55,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:22:55,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:22:55,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:22:55,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:22:55,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:22:55,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 06:22:55,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:22:55,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:22:55,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:22:55,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:22:55,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:22:55,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:22:55,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:22:55,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:22:55,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 06:22:55,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:22:55,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:22:55,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:22:55,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 06:22:55,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 700 states. [2021-07-14 06:22:55,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:22:55,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:22:55,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:22:55,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:22:55,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-07-14 06:22:55,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 06:22:55,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:22:55,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 06:22:55,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2021-07-14 06:22:55,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 232 states. [2021-07-14 06:22:55,585 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable487 [2021-07-14 06:22:55,585 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:22:55,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:22:55,586 INFO L82 PathProgramCache]: Analyzing trace with hash -1288584664, now seen corresponding path program 38 times [2021-07-14 06:22:55,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:22:55,586 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713148127] [2021-07-14 06:22:55,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:22:55,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:22:55,926 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 55 proven. 45 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-07-14 06:22:55,926 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:22:55,927 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713148127] [2021-07-14 06:22:55,927 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713148127] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:22:55,927 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989571548] [2021-07-14 06:22:55,927 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 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:22:55,982 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 06:22:55,982 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:22:55,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 52 conjunts are in the unsatisfiable core [2021-07-14 06:22:55,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:23:03,290 INFO L354 Elim1Store]: treesize reduction 288, result has 0.3 percent of original size [2021-07-14 06:23:03,291 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 64 treesize of output 46 [2021-07-14 06:23:03,294 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:23:03,514 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 26 [2021-07-14 06:23:03,514 INFO L354 Elim1Store]: treesize reduction 256, result has 11.4 percent of original size [2021-07-14 06:23:03,515 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 74 treesize of output 86 [2021-07-14 06:23:03,518 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:23:03,595 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:23:03,595 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 06:23:03,613 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:23:03,613 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 10 variables, input treesize:233, output treesize:37 [2021-07-14 06:23:03,927 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 45 proven. 55 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-07-14 06:23:03,927 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [989571548] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:23:03,927 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:23:03,928 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 44 [2021-07-14 06:23:03,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574109562] [2021-07-14 06:23:03,929 INFO L462 AbstractCegarLoop]: Interpolant automaton has 44 states [2021-07-14 06:23:03,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:23:03,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-07-14 06:23:03,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=360, Invalid=1530, Unknown=2, NotChecked=0, Total=1892 [2021-07-14 06:23:03,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:23:03,930 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:23:03,930 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 44 states, 44 states have (on average 1.3181818181818181) internal successors, (58), 44 states have internal predecessors, (58), 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 06:23:03,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:23:03,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:23:03,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:23:03,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:23:03,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:23:03,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:23:03,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:23:03,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:23:03,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:23:03,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:23:03,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:23:03,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:23:03,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:23:03,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:23:03,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:23:03,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 06:23:03,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:23:03,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:23:03,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 06:23:03,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:23:03,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:23:03,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:23:03,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:23:03,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:23:03,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:23:03,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:23:03,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:23:03,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 06:23:03,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:23:03,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:23:03,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:23:03,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 06:23:03,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 700 states. [2021-07-14 06:23:03,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:23:03,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:23:03,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:23:03,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:23:03,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-07-14 06:23:03,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 06:23:03,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:23:03,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 06:23:03,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 223 states. [2021-07-14 06:23:03,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 232 states. [2021-07-14 06:23:03,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:23:08,420 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 40 [2021-07-14 06:23:23,197 WARN L205 SmtUtils]: Spent 10.35 s on a formula simplification. DAG size of input: 89 DAG size of output: 56 [2021-07-14 06:23:24,539 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2021-07-14 06:23:40,043 WARN L205 SmtUtils]: Spent 10.34 s on a formula simplification. DAG size of input: 91 DAG size of output: 62 [2021-07-14 06:24:01,708 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-07-14 06:24:01,908 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable494,45 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:24:01,909 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:626) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:173) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:140) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:360) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:388) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:281) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:200) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.search(SleepSetNewStateReduction.java:159) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.(SleepSetNewStateReduction.java:111) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:193) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:509) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:238) ... 51 more [2021-07-14 06:24:01,913 INFO L168 Benchmark]: Toolchain (without parser) took 532396.46 ms. Allocated memory was 181.4 MB in the beginning and 2.2 GB in the end (delta: 2.1 GB). Free memory was 160.6 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 866.2 MB. Max. memory is 8.0 GB. [2021-07-14 06:24:01,913 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 181.4 MB. Free memory is still 161.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 06:24:01,913 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.30 ms. Allocated memory is still 181.4 MB. Free memory was 160.6 MB in the beginning and 159.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 06:24:01,913 INFO L168 Benchmark]: Boogie Preprocessor took 27.16 ms. Allocated memory is still 181.4 MB. Free memory was 159.1 MB in the beginning and 158.0 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 06:24:01,913 INFO L168 Benchmark]: RCFGBuilder took 334.82 ms. Allocated memory is still 181.4 MB. Free memory was 158.0 MB in the beginning and 136.1 MB in the end (delta: 21.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2021-07-14 06:24:01,913 INFO L168 Benchmark]: TraceAbstraction took 532009.32 ms. Allocated memory was 181.4 MB in the beginning and 2.2 GB in the end (delta: 2.1 GB). Free memory was 135.7 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 842.1 MB. Max. memory is 8.0 GB. [2021-07-14 06:24:01,913 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 181.4 MB. Free memory is still 161.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 21.30 ms. Allocated memory is still 181.4 MB. Free memory was 160.6 MB in the beginning and 159.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 27.16 ms. Allocated memory is still 181.4 MB. Free memory was 159.1 MB in the beginning and 158.0 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 8.0 GB. * RCFGBuilder took 334.82 ms. Allocated memory is still 181.4 MB. Free memory was 158.0 MB in the beginning and 136.1 MB in the end (delta: 21.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 532009.32 ms. Allocated memory was 181.4 MB in the beginning and 2.2 GB in the end (delta: 2.1 GB). Free memory was 135.7 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 842.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...