/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-None-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-13 06:08:48,307 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-13 06:08:48,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-13 06:08:48,347 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-13 06:08:48,362 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-13 06:08:48,364 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-13 06:08:48,365 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-13 06:08:48,366 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-13 06:08:48,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-13 06:08:48,368 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-13 06:08:48,370 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-13 06:08:48,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-13 06:08:48,375 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-13 06:08:48,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-13 06:08:48,376 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-13 06:08:48,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-13 06:08:48,382 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-13 06:08:48,388 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-13 06:08:48,389 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-13 06:08:48,389 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-13 06:08:48,392 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-None-NoLbe.epf [2021-06-13 06:08:48,420 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-13 06:08:48,420 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-13 06:08:48,421 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-13 06:08:48,421 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-13 06:08:48,423 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-13 06:08:48,423 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-13 06:08:48,423 INFO L138 SettingsManager]: * Use SBE=true [2021-06-13 06:08:48,423 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-13 06:08:48,423 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-13 06:08:48,423 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-13 06:08:48,424 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-13 06:08:48,424 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-13 06:08:48,424 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-13 06:08:48,424 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-13 06:08:48,424 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-13 06:08:48,425 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-13 06:08:48,425 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-13 06:08:48,425 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-13 06:08:48,425 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-13 06:08:48,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-13 06:08:48,425 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-13 06:08:48,425 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-13 06:08:48,425 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-13 06:08:48,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 06:08:48,426 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-13 06:08:48,426 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-13 06:08:48,426 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-13 06:08:48,426 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-13 06:08:48,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-13 06:08:48,426 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-13 06:08:48,426 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-13 06:08:48,426 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-13 06:08:48,427 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-13 06:08:48,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-13 06:08:48,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-13 06:08:48,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-13 06:08:48,694 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-13 06:08:48,694 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-13 06:08:48,695 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun.wvr.bpl [2021-06-13 06:08:48,695 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun.wvr.bpl' [2021-06-13 06:08:48,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-13 06:08:48,727 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-13 06:08:48,728 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-13 06:08:48,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-13 06:08:48,728 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-13 06:08:48,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 06:08:48" (1/1) ... [2021-06-13 06:08:48,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 06:08:48" (1/1) ... [2021-06-13 06:08:48,747 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-13 06:08:48,748 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-13 06:08:48,748 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-13 06:08:48,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-13 06:08:48,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 06:08:48" (1/1) ... [2021-06-13 06:08:48,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 06:08:48" (1/1) ... [2021-06-13 06:08:48,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 06:08:48" (1/1) ... [2021-06-13 06:08:48,755 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 06:08:48" (1/1) ... [2021-06-13 06:08:48,757 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 06:08:48" (1/1) ... [2021-06-13 06:08:48,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 06:08:48" (1/1) ... [2021-06-13 06:08:48,761 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 06:08:48" (1/1) ... [2021-06-13 06:08:48,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-13 06:08:48,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-13 06:08:48,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-13 06:08:48,764 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-13 06:08:48,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 06:08:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 06:08:48,823 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-13 06:08:48,823 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-13 06:08:48,823 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-13 06:08:48,823 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-13 06:08:48,823 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-13 06:08:48,824 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-13 06:08:48,824 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-13 06:08:48,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-13 06:08:48,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-13 06:08:48,824 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-13 06:08:48,825 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-13 06:08:48,825 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-13 06:08:48,826 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-13 06:08:48,968 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-13 06:08:48,968 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-13 06:08:48,969 INFO L202 PluginConnector]: Adding new model sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 06:08:48 BoogieIcfgContainer [2021-06-13 06:08:48,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-13 06:08:48,971 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-13 06:08:48,971 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-13 06:08:48,972 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-13 06:08:48,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 06:08:48" (1/2) ... [2021-06-13 06:08:48,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ededf84 and model type sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 06:08:48, skipping insertion in model container [2021-06-13 06:08:48,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 06:08:48" (2/2) ... [2021-06-13 06:08:48,974 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-fun.wvr.bpl [2021-06-13 06:08:48,977 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-13 06:08:48,977 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-13 06:08:48,978 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-13 06:08:48,978 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-13 06:08:49,027 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-13 06:08:49,040 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 [2021-06-13 06:08:49,089 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 06:08:49,089 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 06:08:49,089 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 06:08:49,089 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 06:08:49,089 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 06:08:49,089 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 06:08:49,090 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 06:08:49,090 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-13 06:08:49,110 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36 places, 29 transitions, 82 flow [2021-06-13 06:08:49,130 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 114 states, 112 states have (on average 2.8035714285714284) internal successors, (314), 113 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:08:49,136 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 06:08:49,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 06:08:49,144 INFO L82 PathProgramCache]: Analyzing trace with hash 972789898, now seen corresponding path program 1 times [2021-06-13 06:08:49,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 06:08:49,150 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013188698] [2021-06-13 06:08:49,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 06:08:49,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 06:08:49,283 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-13 06:08:49,283 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 06:08:49,283 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013188698] [2021-06-13 06:08:49,284 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013188698] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 06:08:49,284 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1246101758] [2021-06-13 06:08:49,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 06:08:49,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 06:08:49,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-13 06:08:49,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 06:08:49,513 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-13 06:08:49,513 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1246101758] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 06:08:49,513 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 06:08:49,514 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-06-13 06:08:49,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001739996] [2021-06-13 06:08:49,518 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-13 06:08:49,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 06:08:49,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-13 06:08:49,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-13 06:08:49,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 06:08:49,530 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 06:08:49,530 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:08:49,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 06:08:49,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 06:08:49,845 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-06-13 06:08:49,846 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 06:08:49,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 06:08:49,846 INFO L82 PathProgramCache]: Analyzing trace with hash -930955962, now seen corresponding path program 2 times [2021-06-13 06:08:49,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 06:08:49,846 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639288914] [2021-06-13 06:08:49,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 06:08:49,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 06:08:49,966 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:08:49,966 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 06:08:49,966 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639288914] [2021-06-13 06:08:49,967 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639288914] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 06:08:49,967 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1537298442] [2021-06-13 06:08:49,967 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 06:08:50,006 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 06:08:50,006 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 06:08:50,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-13 06:08:50,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 06:08:50,126 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:08:50,126 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1537298442] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 06:08:50,126 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 06:08:50,126 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16 [2021-06-13 06:08:50,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180944508] [2021-06-13 06:08:50,127 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-13 06:08:50,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 06:08:50,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-13 06:08:50,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2021-06-13 06:08:50,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 06:08:50,128 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 06:08:50,128 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:08:50,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 06:08:50,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 06:08:50,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 06:08:50,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:08:50,468 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 06:08:50,469 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 06:08:50,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 06:08:50,469 INFO L82 PathProgramCache]: Analyzing trace with hash -906426654, now seen corresponding path program 3 times [2021-06-13 06:08:50,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 06:08:50,469 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419233800] [2021-06-13 06:08:50,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 06:08:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 06:08:50,527 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 14 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-13 06:08:50,527 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 06:08:50,527 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419233800] [2021-06-13 06:08:50,527 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419233800] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 06:08:50,527 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1187594494] [2021-06-13 06:08:50,527 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 06:08:50,557 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-13 06:08:50,558 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 06:08:50,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-13 06:08:50,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 06:08:50,653 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-13 06:08:50,653 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1187594494] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 06:08:50,653 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 06:08:50,653 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 15 [2021-06-13 06:08:50,653 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907255404] [2021-06-13 06:08:50,654 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-13 06:08:50,654 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 06:08:50,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-13 06:08:50,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2021-06-13 06:08:50,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 06:08:50,654 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 06:08:50,655 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 15 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) [2021-06-13 06:08:50,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 06:08:50,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:08:50,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 06:08:50,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 06:08:50,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:08:50,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:08:50,948 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 06:08:50,948 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 06:08:50,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 06:08:50,949 INFO L82 PathProgramCache]: Analyzing trace with hash 249910248, now seen corresponding path program 4 times [2021-06-13 06:08:50,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 06:08:50,949 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648607042] [2021-06-13 06:08:50,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 06:08:50,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 06:08:51,554 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:08:51,555 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 06:08:51,555 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648607042] [2021-06-13 06:08:51,555 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648607042] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 06:08:51,555 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [298237570] [2021-06-13 06:08:51,555 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 06:08:51,601 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-13 06:08:51,601 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 06:08:51,602 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-13 06:08:51,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 06:08:52,329 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 06:08:52,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:08:52,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:08:52,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:08:52,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:08:52,339 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 39 treesize of output 19 [2021-06-13 06:08:52,340 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 06:08:52,345 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:08:52,347 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 06:08:52,347 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:48, output treesize:5 [2021-06-13 06:08:52,372 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:08:52,372 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [298237570] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 06:08:52,372 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 06:08:52,373 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 30 [2021-06-13 06:08:52,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753719818] [2021-06-13 06:08:52,374 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-13 06:08:52,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 06:08:52,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-13 06:08:52,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=755, Unknown=0, NotChecked=0, Total=870 [2021-06-13 06:08:52,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 06:08:52,375 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 06:08:52,375 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.2666666666666666) internal successors, (68), 30 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:08:52,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 06:08:52,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:08:52,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:08:52,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 06:08:53,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 06:08:53,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:08:53,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:08:53,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-13 06:08:53,204 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 06:08:53,205 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 06:08:53,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 06:08:53,205 INFO L82 PathProgramCache]: Analyzing trace with hash -46170204, now seen corresponding path program 5 times [2021-06-13 06:08:53,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 06:08:53,206 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253799061] [2021-06-13 06:08:53,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 06:08:53,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 06:08:53,340 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 25 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:08:53,340 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 06:08:53,340 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253799061] [2021-06-13 06:08:53,340 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253799061] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 06:08:53,340 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584268774] [2021-06-13 06:08:53,340 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 06:08:53,376 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-06-13 06:08:53,376 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 06:08:53,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-13 06:08:53,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 06:08:53,716 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 36 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:08:53,716 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1584268774] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 06:08:53,717 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 06:08:53,717 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 30 [2021-06-13 06:08:53,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131153935] [2021-06-13 06:08:53,718 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-13 06:08:53,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 06:08:53,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-13 06:08:53,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=709, Unknown=0, NotChecked=0, Total=870 [2021-06-13 06:08:53,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 06:08:53,719 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 06:08:53,719 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.4) internal successors, (72), 30 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:08:53,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 06:08:53,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:08:53,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:08:53,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-13 06:08:53,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 06:08:54,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 06:08:54,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:08:54,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:08:54,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-13 06:08:54,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-13 06:08:54,296 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 06:08:54,296 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 06:08:54,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 06:08:54,296 INFO L82 PathProgramCache]: Analyzing trace with hash -774361630, now seen corresponding path program 6 times [2021-06-13 06:08:54,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 06:08:54,296 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857039515] [2021-06-13 06:08:54,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 06:08:54,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 06:08:54,459 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 64 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-13 06:08:54,459 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 06:08:54,459 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857039515] [2021-06-13 06:08:54,459 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857039515] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 06:08:54,459 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [310537294] [2021-06-13 06:08:54,459 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 06:08:54,499 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-06-13 06:08:54,499 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 06:08:54,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-13 06:08:54,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 06:08:54,716 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 64 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-13 06:08:54,716 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [310537294] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 06:08:54,717 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 06:08:54,717 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 27 [2021-06-13 06:08:54,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334717450] [2021-06-13 06:08:54,717 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-13 06:08:54,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 06:08:54,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-13 06:08:54,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=515, Unknown=0, NotChecked=0, Total=702 [2021-06-13 06:08:54,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 06:08:54,718 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 06:08:54,718 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.5185185185185186) internal successors, (68), 27 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:08:54,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 06:08:54,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:08:54,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:08:54,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-13 06:08:54,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-13 06:08:54,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 06:08:54,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 06:08:54,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:08:54,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:08:54,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-13 06:08:54,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-13 06:08:54,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-13 06:08:55,068 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 06:08:55,069 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 06:08:55,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 06:08:55,069 INFO L82 PathProgramCache]: Analyzing trace with hash 1103534312, now seen corresponding path program 7 times [2021-06-13 06:08:55,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 06:08:55,069 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039052562] [2021-06-13 06:08:55,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 06:08:55,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 06:08:56,231 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 20 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:08:56,231 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 06:08:56,231 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039052562] [2021-06-13 06:08:56,231 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039052562] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 06:08:56,231 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [369372447] [2021-06-13 06:08:56,231 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 06:08:56,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 06:08:56,270 WARN L261 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 82 conjunts are in the unsatisfiable core [2021-06-13 06:08:56,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 06:08:57,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:08:57,518 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 06:08:57,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:08:57,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:08:57,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:08:57,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:08:57,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:08:57,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:08:57,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:08:57,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 27 [2021-06-13 06:08:57,526 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 06:08:57,531 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:08:57,532 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 06:08:57,533 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:72, output treesize:5 [2021-06-13 06:08:57,566 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:08:57,566 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [369372447] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 06:08:57,566 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 06:08:57,566 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 25] total 47 [2021-06-13 06:08:57,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478859177] [2021-06-13 06:08:57,567 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-06-13 06:08:57,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 06:08:57,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-06-13 06:08:57,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=1953, Unknown=0, NotChecked=0, Total=2162 [2021-06-13 06:08:57,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 06:08:57,568 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 06:08:57,568 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 2.127659574468085) internal successors, (100), 47 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:08:57,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 06:08:57,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:08:57,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:08:57,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-13 06:08:57,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-13 06:08:57,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-13 06:08:57,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 06:08:59,232 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 107 [2021-06-13 06:08:59,493 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 117 [2021-06-13 06:08:59,964 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 97 [2021-06-13 06:09:00,204 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 102 [2021-06-13 06:09:01,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 06:09:01,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:09:01,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:09:01,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-13 06:09:01,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-13 06:09:01,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-13 06:09:01,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-13 06:09:01,602 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-06-13 06:09:01,603 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 06:09:01,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 06:09:01,603 INFO L82 PathProgramCache]: Analyzing trace with hash 417964392, now seen corresponding path program 8 times [2021-06-13 06:09:01,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 06:09:01,603 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920656611] [2021-06-13 06:09:01,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 06:09:01,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 06:09:02,915 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 56 proven. 166 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:09:02,915 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 06:09:02,915 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920656611] [2021-06-13 06:09:02,916 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920656611] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 06:09:02,916 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200243483] [2021-06-13 06:09:02,916 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 06:09:02,955 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 06:09:02,955 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 06:09:02,957 WARN L261 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 98 conjunts are in the unsatisfiable core [2021-06-13 06:09:02,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 06:09:04,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:04,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:04,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:04,595 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 06:09:04,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:04,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:04,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:04,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:04,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:04,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:04,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:04,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:04,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 55 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 31 [2021-06-13 06:09:04,607 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 06:09:04,613 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:09:04,616 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 06:09:04,616 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:84, output treesize:5 [2021-06-13 06:09:04,650 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:09:04,650 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200243483] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 06:09:04,650 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 06:09:04,650 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 29] total 55 [2021-06-13 06:09:04,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370848292] [2021-06-13 06:09:04,651 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-06-13 06:09:04,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 06:09:04,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-06-13 06:09:04,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=284, Invalid=2686, Unknown=0, NotChecked=0, Total=2970 [2021-06-13 06:09:04,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 06:09:04,652 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 06:09:04,652 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 2.109090909090909) internal successors, (116), 55 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:09:04,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 06:09:04,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:09:04,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:09:04,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-13 06:09:04,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-13 06:09:04,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-13 06:09:04,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-13 06:09:04,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 06:09:07,091 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 121 [2021-06-13 06:09:07,392 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 131 [2021-06-13 06:09:07,569 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 94 [2021-06-13 06:09:07,908 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 109 [2021-06-13 06:09:08,139 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 114 [2021-06-13 06:09:08,296 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 104 [2021-06-13 06:09:09,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 06:09:09,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:09:09,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:09:09,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-13 06:09:09,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-13 06:09:09,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-13 06:09:09,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-13 06:09:09,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-13 06:09:09,903 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 06:09:09,904 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 06:09:09,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 06:09:09,904 INFO L82 PathProgramCache]: Analyzing trace with hash -187634200, now seen corresponding path program 9 times [2021-06-13 06:09:09,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 06:09:09,904 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980019235] [2021-06-13 06:09:09,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 06:09:09,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 06:09:11,610 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 66 proven. 248 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:09:11,611 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 06:09:11,611 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980019235] [2021-06-13 06:09:11,611 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980019235] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 06:09:11,611 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058344850] [2021-06-13 06:09:11,611 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 06:09:11,660 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2021-06-13 06:09:11,661 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 06:09:11,662 WARN L261 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 119 conjunts are in the unsatisfiable core [2021-06-13 06:09:11,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 06:09:14,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:14,464 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:09:14,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 150 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 21 case distinctions, treesize of input 97 treesize of output 243 [2021-06-13 06:09:14,911 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 493 DAG size of output: 25 [2021-06-13 06:09:15,024 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 493 DAG size of output: 25 [2021-06-13 06:09:15,139 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 34 [2021-06-13 06:09:15,145 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-06-13 06:09:15,164 INFO L628 ElimStorePlain]: treesize reduction 4, result has 89.7 percent of original size [2021-06-13 06:09:15,170 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 06:09:15,170 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:121, output treesize:22 [2021-06-13 06:09:15,281 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 0 proven. 314 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:09:15,281 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2058344850] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 06:09:15,281 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 06:09:15,281 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 36] total 66 [2021-06-13 06:09:15,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300260359] [2021-06-13 06:09:15,282 INFO L462 AbstractCegarLoop]: Interpolant automaton has 66 states [2021-06-13 06:09:15,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 06:09:15,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-06-13 06:09:15,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=362, Invalid=3928, Unknown=0, NotChecked=0, Total=4290 [2021-06-13 06:09:15,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 06:09:15,283 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 06:09:15,283 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 66 states, 66 states have (on average 2.0) internal successors, (132), 66 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:09:15,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 06:09:15,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:09:15,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:09:15,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-13 06:09:15,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-13 06:09:15,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-13 06:09:15,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-13 06:09:15,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-13 06:09:15,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 06:09:18,029 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 78 [2021-06-13 06:09:18,237 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 79 [2021-06-13 06:09:19,340 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 134 [2021-06-13 06:09:19,736 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 144 [2021-06-13 06:09:19,984 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 106 [2021-06-13 06:09:20,387 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 116 [2021-06-13 06:09:20,658 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 121 [2021-06-13 06:09:20,832 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 111 [2021-06-13 06:09:22,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 06:09:22,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:09:22,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:09:22,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-13 06:09:22,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-13 06:09:22,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-13 06:09:22,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-13 06:09:22,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-13 06:09:22,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-13 06:09:23,052 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 06:09:23,052 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 06:09:23,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 06:09:23,052 INFO L82 PathProgramCache]: Analyzing trace with hash -1628012952, now seen corresponding path program 10 times [2021-06-13 06:09:23,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 06:09:23,053 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104788026] [2021-06-13 06:09:23,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 06:09:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 06:09:25,107 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 92 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:09:25,107 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 06:09:25,107 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104788026] [2021-06-13 06:09:25,107 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104788026] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 06:09:25,107 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702382995] [2021-06-13 06:09:25,108 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 06:09:25,153 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-13 06:09:25,154 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 06:09:25,155 WARN L261 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 130 conjunts are in the unsatisfiable core [2021-06-13 06:09:25,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 06:09:28,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:28,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:28,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:28,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:28,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:28,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:28,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:28,032 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 06:09:28,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:28,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:28,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:28,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:28,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:28,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:28,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:28,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 105 disjoint index pairs (out of 120 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 39 [2021-06-13 06:09:28,039 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 06:09:28,043 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:09:28,044 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 06:09:28,044 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:108, output treesize:5 [2021-06-13 06:09:28,085 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 0 proven. 422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:09:28,085 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [702382995] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 06:09:28,085 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 06:09:28,085 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 37] total 71 [2021-06-13 06:09:28,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677804954] [2021-06-13 06:09:28,085 INFO L462 AbstractCegarLoop]: Interpolant automaton has 71 states [2021-06-13 06:09:28,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 06:09:28,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2021-06-13 06:09:28,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=427, Invalid=4543, Unknown=0, NotChecked=0, Total=4970 [2021-06-13 06:09:28,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 06:09:28,087 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 06:09:28,088 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 71 states, 71 states have (on average 2.084507042253521) internal successors, (148), 71 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:09:28,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 06:09:28,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:09:28,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:09:28,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-13 06:09:28,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-13 06:09:28,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-13 06:09:28,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-13 06:09:28,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-13 06:09:28,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-13 06:09:28,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 06:09:32,269 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 108 [2021-06-13 06:09:32,592 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 104 [2021-06-13 06:09:32,979 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 125 [2021-06-13 06:09:33,351 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 160 [2021-06-13 06:09:33,631 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 126 [2021-06-13 06:09:33,901 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 130 [2021-06-13 06:09:34,194 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 137 [2021-06-13 06:09:34,394 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 128 [2021-06-13 06:09:34,772 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 142 [2021-06-13 06:09:34,997 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 133 [2021-06-13 06:09:36,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 06:09:36,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:09:36,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:09:36,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-13 06:09:36,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-13 06:09:36,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-13 06:09:36,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-13 06:09:36,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-13 06:09:36,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-13 06:09:36,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-13 06:09:36,721 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable127 [2021-06-13 06:09:36,721 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 06:09:36,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 06:09:36,721 INFO L82 PathProgramCache]: Analyzing trace with hash -1747692824, now seen corresponding path program 11 times [2021-06-13 06:09:36,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 06:09:36,721 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384948781] [2021-06-13 06:09:36,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 06:09:36,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 06:09:39,057 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 81 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:09:39,057 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 06:09:39,057 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384948781] [2021-06-13 06:09:39,057 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384948781] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 06:09:39,057 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1347946867] [2021-06-13 06:09:39,057 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 06:09:39,118 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 18 check-sat command(s) [2021-06-13 06:09:39,119 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 06:09:39,121 WARN L261 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 146 conjunts are in the unsatisfiable core [2021-06-13 06:09:39,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 06:09:42,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:42,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:42,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:42,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:42,933 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 06:09:42,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:42,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:42,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:42,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:42,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:42,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:42,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:42,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:42,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:42,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:42,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:42,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:09:42,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 136 disjoint index pairs (out of 153 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 43 [2021-06-13 06:09:42,950 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 06:09:42,954 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:09:42,955 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 06:09:42,955 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:122, output treesize:5 [2021-06-13 06:09:42,997 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 0 proven. 546 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:09:42,997 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1347946867] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 06:09:42,997 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 06:09:42,997 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 41] total 81 [2021-06-13 06:09:42,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560717101] [2021-06-13 06:09:42,998 INFO L462 AbstractCegarLoop]: Interpolant automaton has 81 states [2021-06-13 06:09:42,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 06:09:42,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2021-06-13 06:09:42,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=466, Invalid=6014, Unknown=0, NotChecked=0, Total=6480 [2021-06-13 06:09:42,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 06:09:42,999 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 06:09:42,999 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 81 states, 81 states have (on average 2.049382716049383) internal successors, (166), 81 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:09:42,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 06:09:42,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:09:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:09:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-13 06:09:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-13 06:09:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-13 06:09:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-13 06:09:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-13 06:09:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-13 06:09:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-13 06:09:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 06:09:49,244 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 122 [2021-06-13 06:09:49,854 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 178 [2021-06-13 06:09:50,287 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 188 [2021-06-13 06:09:50,665 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 142 [2021-06-13 06:09:50,907 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 126 [2021-06-13 06:09:51,157 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 136 [2021-06-13 06:09:51,479 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 141 [2021-06-13 06:09:51,721 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 131 [2021-06-13 06:09:55,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 06:09:55,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:09:55,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:09:55,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-13 06:09:55,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-13 06:09:55,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-13 06:09:55,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-13 06:09:55,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-13 06:09:55,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-13 06:09:55,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-13 06:09:55,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-06-13 06:09:55,278 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable128 [2021-06-13 06:09:55,279 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 06:09:55,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 06:09:55,279 INFO L82 PathProgramCache]: Analyzing trace with hash -1763415192, now seen corresponding path program 12 times [2021-06-13 06:09:55,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 06:09:55,279 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680364724] [2021-06-13 06:09:55,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 06:09:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 06:09:58,076 INFO L134 CoverageAnalysis]: Checked inductivity of 686 backedges. 126 proven. 560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:09:58,076 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 06:09:58,076 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680364724] [2021-06-13 06:09:58,076 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680364724] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 06:09:58,077 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1288663802] [2021-06-13 06:09:58,077 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 06:09:58,144 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2021-06-13 06:09:58,144 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 06:09:58,146 WARN L261 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 164 conjunts are in the unsatisfiable core [2021-06-13 06:09:58,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 06:10:06,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:10:06,431 INFO L244 Elim1Store]: Index analysis took 345 ms [2021-06-13 06:10:13,401 WARN L205 SmtUtils]: Spent 6.97 s on a formula simplification that was a NOOP. DAG size: 1060 [2021-06-13 06:10:13,401 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:10:13,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 33 select indices, 33 select index equivalence classes, 283 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 245 case distinctions, treesize of input 173 treesize of output 2621 [2021-06-13 06:10:17,414 WARN L205 SmtUtils]: Spent 3.77 s on a formula simplification. DAG size of input: 4118 DAG size of output: 2759 [2021-06-13 06:10:21,983 WARN L205 SmtUtils]: Spent 4.23 s on a formula simplification. DAG size of input: 4183 DAG size of output: 2825 [2021-06-13 06:12:42,364 WARN L205 SmtUtils]: Spent 2.30 m on a formula simplification. DAG size of input: 40580 DAG size of output: 24773 [2021-06-13 06:15:21,703 WARN L205 SmtUtils]: Spent 2.58 m on a formula simplification. DAG size of input: 40645 DAG size of output: 24839 [2021-06-13 06:15:44,829 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 131 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown