/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-array-sum.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-07 03:50:57,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-07 03:50:57,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-07 03:50:57,684 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-07 03:50:57,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-07 03:50:57,702 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-07 03:50:57,703 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-07 03:50:57,704 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-07 03:50:57,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-07 03:50:57,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-07 03:50:57,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-07 03:50:57,708 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-07 03:50:57,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-07 03:50:57,710 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-07 03:50:57,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-07 03:50:57,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-07 03:50:57,714 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-07 03:50:57,721 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-07 03:50:57,721 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-07 03:50:57,722 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-07 03:50:57,723 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random7777.epf [2021-06-07 03:50:57,742 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-07 03:50:57,743 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-07 03:50:57,743 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-07 03:50:57,743 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-07 03:50:57,744 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-07 03:50:57,744 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-07 03:50:57,744 INFO L138 SettingsManager]: * Use SBE=true [2021-06-07 03:50:57,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-07 03:50:57,745 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-07 03:50:57,745 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-07 03:50:57,745 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-07 03:50:57,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-07 03:50:57,745 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-07 03:50:57,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-07 03:50:57,745 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-07 03:50:57,746 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-07 03:50:57,746 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-07 03:50:57,746 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-07 03:50:57,746 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-07 03:50:57,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-07 03:50:57,746 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-07 03:50:57,746 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-07 03:50:57,746 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-07 03:50:57,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 03:50:57,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-07 03:50:57,747 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-07 03:50:57,747 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-07 03:50:57,747 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-07 03:50:57,747 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-07 03:50:57,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-07 03:50:57,747 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-07 03:50:57,747 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-07 03:50:57,748 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-07 03:50:57,748 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-07 03:50:57,748 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-07 03:50:57,748 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-07 03:50:58,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-07 03:50:58,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-07 03:50:58,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-07 03:50:58,058 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-07 03:50:58,059 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-07 03:50:58,060 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-array-sum.wvr.bpl [2021-06-07 03:50:58,060 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-array-sum.wvr.bpl' [2021-06-07 03:50:58,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-07 03:50:58,083 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-07 03:50:58,084 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-07 03:50:58,085 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-07 03:50:58,085 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-07 03:50:58,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:50:58" (1/1) ... [2021-06-07 03:50:58,103 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:50:58" (1/1) ... [2021-06-07 03:50:58,109 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-07 03:50:58,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-07 03:50:58,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-07 03:50:58,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-07 03:50:58,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:50:58" (1/1) ... [2021-06-07 03:50:58,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:50:58" (1/1) ... [2021-06-07 03:50:58,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:50:58" (1/1) ... [2021-06-07 03:50:58,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:50:58" (1/1) ... [2021-06-07 03:50:58,120 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:50:58" (1/1) ... [2021-06-07 03:50:58,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:50:58" (1/1) ... [2021-06-07 03:50:58,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:50:58" (1/1) ... [2021-06-07 03:50:58,128 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-07 03:50:58,129 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-07 03:50:58,130 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-07 03:50:58,130 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-07 03:50:58,131 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:50:58" (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 [2021-06-07 03:50:58,211 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-07 03:50:58,212 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-07 03:50:58,212 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-07 03:50:58,212 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-07 03:50:58,212 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-07 03:50:58,212 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-07 03:50:58,212 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-07 03:50:58,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-07 03:50:58,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-07 03:50:58,215 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-07 03:50:58,215 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-07 03:50:58,215 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-07 03:50:58,216 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-07 03:50:58,400 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-07 03:50:58,400 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-07 03:50:58,401 INFO L202 PluginConnector]: Adding new model simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 03:50:58 BoogieIcfgContainer [2021-06-07 03:50:58,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-07 03:50:58,403 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-07 03:50:58,403 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-07 03:50:58,406 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-07 03:50:58,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:50:58" (1/2) ... [2021-06-07 03:50:58,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d4d2b4 and model type simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 03:50:58, skipping insertion in model container [2021-06-07 03:50:58,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 03:50:58" (2/2) ... [2021-06-07 03:50:58,408 INFO L111 eAbstractionObserver]: Analyzing ICFG simple-array-sum.wvr.bpl [2021-06-07 03:50:58,413 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-07 03:50:58,413 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-07 03:50:58,414 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-07 03:50:58,414 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-07 03:50:58,446 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-07 03:50:58,482 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 [2021-06-07 03:50:58,551 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 03:50:58,551 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 03:50:58,551 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 03:50:58,551 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 03:50:58,552 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 03:50:58,552 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 03:50:58,552 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 03:50:58,552 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-07 03:50:58,636 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 03:50:58,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:50:58,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1049514802, now seen corresponding path program 1 times [2021-06-07 03:50:58,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:50:58,649 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670860084] [2021-06-07 03:50:58,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:50:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:50:58,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:50:58,979 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:50:58,980 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670860084] [2021-06-07 03:50:58,980 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670860084] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 03:50:58,980 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 03:50:58,981 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-07 03:50:58,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283161303] [2021-06-07 03:50:58,985 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-07 03:50:58,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:50:58,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-07 03:50:58,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-07 03:50:58,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:50:58,998 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:50:58,999 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 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) [2021-06-07 03:50:58,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:50:59,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:50:59,080 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-07 03:50:59,080 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 03:50:59,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:50:59,081 INFO L82 PathProgramCache]: Analyzing trace with hash -1302095446, now seen corresponding path program 1 times [2021-06-07 03:50:59,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:50:59,081 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852703335] [2021-06-07 03:50:59,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:50:59,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:50:59,124 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 03:50:59,125 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:50:59,125 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852703335] [2021-06-07 03:50:59,125 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852703335] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 03:50:59,126 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 03:50:59,126 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-07 03:50:59,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342442003] [2021-06-07 03:50:59,129 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-07 03:50:59,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:50:59,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-07 03:50:59,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-07 03:50:59,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:50:59,133 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:50:59,134 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 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) [2021-06-07 03:50:59,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:50:59,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:50:59,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:50:59,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 03:50:59,179 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-07 03:50:59,179 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 03:50:59,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:50:59,181 INFO L82 PathProgramCache]: Analyzing trace with hash -1328998198, now seen corresponding path program 1 times [2021-06-07 03:50:59,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:50:59,182 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880785823] [2021-06-07 03:50:59,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:50:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:50:59,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:50:59,246 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:50:59,246 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880785823] [2021-06-07 03:50:59,246 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880785823] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 03:50:59,247 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 03:50:59,247 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-07 03:50:59,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918405425] [2021-06-07 03:50:59,247 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-07 03:50:59,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:50:59,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-07 03:50:59,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-07 03:50:59,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:50:59,249 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:50:59,249 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 03:50:59,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:50:59,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 03:50:59,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:50:59,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:50:59,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:50:59,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:50:59,415 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-07 03:50:59,415 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 03:50:59,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:50:59,415 INFO L82 PathProgramCache]: Analyzing trace with hash -1877110976, now seen corresponding path program 1 times [2021-06-07 03:50:59,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:50:59,416 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640132069] [2021-06-07 03:50:59,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:50:59,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:50:59,514 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:50:59,515 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:50:59,515 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640132069] [2021-06-07 03:50:59,515 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640132069] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:50:59,516 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1276474112] [2021-06-07 03:50:59,516 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 [2021-06-07 03:50:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:50:59,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-07 03:50:59,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 03:50:59,724 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:50:59,724 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1276474112] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:50:59,725 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 03:50:59,725 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-06-07 03:50:59,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993345647] [2021-06-07 03:50:59,726 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-07 03:50:59,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:50:59,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-07 03:50:59,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-06-07 03:50:59,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:50:59,732 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:50:59,733 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 8 states have internal predecessors, (37), 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) [2021-06-07 03:50:59,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:50:59,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:50:59,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:50:59,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:50:59,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:50:59,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:50:59,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:50:59,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 03:51:00,125 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 03:51:00,125 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 03:51:00,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:51:00,126 INFO L82 PathProgramCache]: Analyzing trace with hash -108443120, now seen corresponding path program 2 times [2021-06-07 03:51:00,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:51:00,126 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889280064] [2021-06-07 03:51:00,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:51:00,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:51:00,199 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 03:51:00,200 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:51:00,200 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889280064] [2021-06-07 03:51:00,200 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889280064] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:51:00,200 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1357327432] [2021-06-07 03:51:00,200 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 [2021-06-07 03:51:00,251 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 03:51:00,252 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 03:51:00,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-07 03:51:00,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 03:51:00,351 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 03:51:00,352 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1357327432] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:51:00,352 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 03:51:00,352 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-06-07 03:51:00,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895185953] [2021-06-07 03:51:00,353 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-07 03:51:00,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:51:00,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-07 03:51:00,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-07 03:51:00,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:51:00,353 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:51:00,353 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 6 states have internal predecessors, (34), 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) [2021-06-07 03:51:00,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:00,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:00,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:00,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 03:51:00,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:51:00,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:00,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:00,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:00,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 03:51:00,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 03:51:00,664 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 03:51:00,665 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 03:51:00,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:51:00,665 INFO L82 PathProgramCache]: Analyzing trace with hash -999092750, now seen corresponding path program 3 times [2021-06-07 03:51:00,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:51:00,665 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349181783] [2021-06-07 03:51:00,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:51:00,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:51:00,724 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-07 03:51:00,724 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:51:00,724 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349181783] [2021-06-07 03:51:00,725 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349181783] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:51:00,725 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [883588987] [2021-06-07 03:51:00,725 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 [2021-06-07 03:51:00,781 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-07 03:51:00,782 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 03:51:00,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-07 03:51:00,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 03:51:00,900 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:51:00,900 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [883588987] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:51:00,900 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 03:51:00,902 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 10 [2021-06-07 03:51:00,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513612027] [2021-06-07 03:51:00,902 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-07 03:51:00,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:51:00,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-07 03:51:00,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-06-07 03:51:00,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:51:00,904 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:51:00,905 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 10 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 03:51:00,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:00,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:00,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:00,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 03:51:00,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 03:51:00,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:51:01,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:01,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:01,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:01,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 03:51:01,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 03:51:01,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-07 03:51:01,420 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 03:51:01,421 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 03:51:01,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:51:01,422 INFO L82 PathProgramCache]: Analyzing trace with hash -1881363098, now seen corresponding path program 4 times [2021-06-07 03:51:01,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:51:01,422 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099919958] [2021-06-07 03:51:01,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:51:01,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:51:01,471 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-06-07 03:51:01,471 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:51:01,471 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099919958] [2021-06-07 03:51:01,472 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099919958] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:51:01,472 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1249669710] [2021-06-07 03:51:01,472 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 [2021-06-07 03:51:01,529 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 03:51:01,530 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 03:51:01,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-07 03:51:01,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 03:51:01,667 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 23 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 03:51:01,667 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1249669710] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:51:01,667 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 03:51:01,667 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 13 [2021-06-07 03:51:01,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974034729] [2021-06-07 03:51:01,668 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-07 03:51:01,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:51:01,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-07 03:51:01,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-06-07 03:51:01,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:51:01,669 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:51:01,669 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 4.538461538461538) internal successors, (59), 13 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 03:51:01,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:01,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:01,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:01,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 03:51:01,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 03:51:01,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-07 03:51:01,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:51:02,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:02,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:02,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:02,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 03:51:02,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 03:51:02,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 03:51:02,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-07 03:51:02,636 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-06-07 03:51:02,637 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 03:51:02,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:51:02,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1082080630, now seen corresponding path program 5 times [2021-06-07 03:51:02,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:51:02,638 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967768575] [2021-06-07 03:51:02,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:51:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:51:02,714 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 7 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:51:02,714 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:51:02,714 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967768575] [2021-06-07 03:51:02,715 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967768575] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:51:02,715 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381195061] [2021-06-07 03:51:02,715 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 [2021-06-07 03:51:02,763 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-07 03:51:02,763 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 03:51:02,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-07 03:51:02,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 03:51:02,856 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:51:02,856 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381195061] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:51:02,856 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 03:51:02,856 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-06-07 03:51:02,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308772619] [2021-06-07 03:51:02,857 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-07 03:51:02,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:51:02,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-07 03:51:02,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-06-07 03:51:02,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:51:02,858 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:51:02,858 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 10 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) [2021-06-07 03:51:02,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:02,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:02,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:02,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 03:51:02,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 03:51:02,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 03:51:02,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-07 03:51:02,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:51:03,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:03,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:03,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:03,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 03:51:03,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 03:51:03,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 03:51:03,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-07 03:51:03,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 03:51:03,298 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 03:51:03,298 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 03:51:03,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:51:03,299 INFO L82 PathProgramCache]: Analyzing trace with hash 675765840, now seen corresponding path program 6 times [2021-06-07 03:51:03,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:51:03,299 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245610162] [2021-06-07 03:51:03,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:51:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:51:04,053 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:51:04,054 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:51:04,054 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245610162] [2021-06-07 03:51:04,054 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245610162] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:51:04,054 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [337035713] [2021-06-07 03:51:04,054 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 [2021-06-07 03:51:04,106 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-07 03:51:04,106 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 03:51:04,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 57 conjunts are in the unsatisfiable core [2021-06-07 03:51:04,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 03:51:04,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-06-07 03:51:04,163 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 03:51:04,170 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 03:51:04,171 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 03:51:04,172 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:31 [2021-06-07 03:51:04,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:04,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-06-07 03:51:04,220 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 03:51:04,229 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 03:51:04,231 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 03:51:04,231 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2021-06-07 03:51:04,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:04,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:04,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:04,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-06-07 03:51:04,282 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 03:51:04,294 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 03:51:04,295 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 03:51:04,295 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:54, output treesize:53 [2021-06-07 03:51:04,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:04,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:04,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:04,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:04,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:04,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:04,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2021-06-07 03:51:04,407 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 03:51:04,427 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 03:51:04,428 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 03:51:04,429 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2021-06-07 03:51:05,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-07 03:51:05,064 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 03:51:05,074 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 03:51:05,075 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 03:51:05,075 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:42 [2021-06-07 03:51:05,163 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 03:51:05,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 33 treesize of output 49 [2021-06-07 03:51:05,179 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-07 03:51:05,190 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 03:51:05,200 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 03:51:05,200 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:50, output treesize:27 [2021-06-07 03:51:05,366 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:51:05,367 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [337035713] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:51:05,367 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 03:51:05,367 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 19] total 34 [2021-06-07 03:51:05,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407439441] [2021-06-07 03:51:05,369 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-06-07 03:51:05,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:51:05,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-06-07 03:51:05,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=1002, Unknown=0, NotChecked=0, Total=1190 [2021-06-07 03:51:05,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:51:05,370 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:51:05,370 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 2.3142857142857145) internal successors, (81), 34 states have internal predecessors, (81), 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) [2021-06-07 03:51:05,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:05,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:05,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:05,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 03:51:05,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 03:51:05,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 03:51:05,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-07 03:51:05,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 03:51:05,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:51:07,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:07,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:07,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:07,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 03:51:07,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 03:51:07,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 03:51:07,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-07 03:51:07,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 03:51:07,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 03:51:07,236 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 03:51:07,237 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 03:51:07,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:51:07,237 INFO L82 PathProgramCache]: Analyzing trace with hash 309003821, now seen corresponding path program 1 times [2021-06-07 03:51:07,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:51:07,237 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801293574] [2021-06-07 03:51:07,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:51:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:51:07,307 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 87 proven. 30 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-06-07 03:51:07,307 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:51:07,307 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801293574] [2021-06-07 03:51:07,307 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801293574] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:51:07,307 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [734962457] [2021-06-07 03:51:07,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 03:51:07,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:51:07,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-07 03:51:07,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 03:51:07,590 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 141 proven. 11 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-06-07 03:51:07,591 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [734962457] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:51:07,591 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 03:51:07,591 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 21 [2021-06-07 03:51:07,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617701406] [2021-06-07 03:51:07,591 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-07 03:51:07,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:51:07,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-07 03:51:07,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=335, Unknown=0, NotChecked=0, Total=420 [2021-06-07 03:51:07,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:51:07,592 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:51:07,592 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 4.0) internal successors, (84), 21 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 03:51:07,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:07,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:07,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:07,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 03:51:07,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 03:51:07,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 03:51:07,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-07 03:51:07,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 03:51:07,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 03:51:07,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:51:08,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:08,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:08,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:08,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 03:51:08,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 03:51:08,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 03:51:08,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-07 03:51:08,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 03:51:08,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 03:51:08,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-07 03:51:08,448 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-06-07 03:51:08,449 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 03:51:08,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:51:08,449 INFO L82 PathProgramCache]: Analyzing trace with hash 1102604005, now seen corresponding path program 2 times [2021-06-07 03:51:08,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:51:08,449 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300134741] [2021-06-07 03:51:08,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:51:08,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:51:08,853 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 220 proven. 285 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 03:51:08,853 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:51:08,853 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300134741] [2021-06-07 03:51:08,853 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300134741] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:51:08,853 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [300261719] [2021-06-07 03:51:08,854 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 [2021-06-07 03:51:08,906 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 03:51:08,906 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 03:51:08,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-07 03:51:08,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 03:51:09,304 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 336 proven. 34 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2021-06-07 03:51:09,304 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [300261719] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:51:09,304 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 03:51:09,304 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 16] total 47 [2021-06-07 03:51:09,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784226744] [2021-06-07 03:51:09,305 INFO L462 AbstractCegarLoop]: Interpolant automaton has 48 states [2021-06-07 03:51:09,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:51:09,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-06-07 03:51:09,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=1950, Unknown=0, NotChecked=0, Total=2256 [2021-06-07 03:51:09,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:51:09,306 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:51:09,307 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 48 states, 48 states have (on average 2.9375) internal successors, (141), 47 states have internal predecessors, (141), 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) [2021-06-07 03:51:09,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:09,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:09,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:09,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 03:51:09,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 03:51:09,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 03:51:09,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-07 03:51:09,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 03:51:09,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 03:51:09,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-07 03:51:09,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:51:10,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:10,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:10,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:10,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 03:51:10,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 03:51:10,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 03:51:10,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-07 03:51:10,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 03:51:10,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 03:51:10,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-07 03:51:10,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-07 03:51:10,384 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 03:51:10,385 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 03:51:10,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:51:10,385 INFO L82 PathProgramCache]: Analyzing trace with hash -829201406, now seen corresponding path program 7 times [2021-06-07 03:51:10,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:51:10,385 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891691876] [2021-06-07 03:51:10,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:51:10,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:51:10,544 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 69 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:51:10,544 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:51:10,544 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891691876] [2021-06-07 03:51:10,544 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891691876] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:51:10,544 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019873530] [2021-06-07 03:51:10,544 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 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 [2021-06-07 03:51:10,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:51:10,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-07 03:51:10,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 03:51:10,730 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 86 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:51:10,731 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2019873530] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:51:10,731 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 03:51:10,731 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 18 [2021-06-07 03:51:10,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195907847] [2021-06-07 03:51:10,731 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-07 03:51:10,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:51:10,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-07 03:51:10,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2021-06-07 03:51:10,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:51:10,732 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:51:10,733 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 3.5789473684210527) internal successors, (68), 18 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) [2021-06-07 03:51:10,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:10,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:10,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:10,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 03:51:10,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 03:51:10,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 03:51:10,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-07 03:51:10,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 03:51:10,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 03:51:10,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-07 03:51:10,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-07 03:51:10,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:51:11,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:11,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:11,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:11,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 03:51:11,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 03:51:11,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 03:51:11,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-07 03:51:11,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 03:51:11,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 03:51:11,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-07 03:51:11,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 03:51:11,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 03:51:11,365 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-07 03:51:11,365 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 03:51:11,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:51:11,365 INFO L82 PathProgramCache]: Analyzing trace with hash 230780740, now seen corresponding path program 8 times [2021-06-07 03:51:11,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:51:11,365 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879235850] [2021-06-07 03:51:11,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:51:11,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:51:11,521 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 70 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:51:11,521 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:51:11,521 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879235850] [2021-06-07 03:51:11,521 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879235850] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:51:11,521 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2128044825] [2021-06-07 03:51:11,521 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 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 [2021-06-07 03:51:11,560 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 03:51:11,560 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 03:51:11,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-07 03:51:11,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 03:51:11,934 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 81 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:51:11,934 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2128044825] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:51:11,934 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 03:51:11,934 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 35 [2021-06-07 03:51:11,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213078947] [2021-06-07 03:51:11,935 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-07 03:51:11,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:51:11,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-07 03:51:11,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=1068, Unknown=0, NotChecked=0, Total=1260 [2021-06-07 03:51:11,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:51:11,936 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:51:11,936 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 3.4444444444444446) internal successors, (124), 35 states have internal predecessors, (124), 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) [2021-06-07 03:51:11,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:11,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:11,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:11,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 03:51:11,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 03:51:11,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 03:51:11,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-07 03:51:11,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 03:51:11,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 03:51:11,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-07 03:51:11,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-07 03:51:11,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-07 03:51:11,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:51:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 03:51:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 03:51:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 03:51:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-07 03:51:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 03:51:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 03:51:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-07 03:51:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-07 03:51:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 03:51:12,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-07 03:51:13,077 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-06-07 03:51:13,078 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 03:51:13,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:51:13,078 INFO L82 PathProgramCache]: Analyzing trace with hash 1363287362, now seen corresponding path program 9 times [2021-06-07 03:51:13,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:51:13,078 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734769630] [2021-06-07 03:51:13,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:51:13,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:51:13,257 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 71 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:51:13,257 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:51:13,257 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734769630] [2021-06-07 03:51:13,257 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734769630] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:51:13,257 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1455472979] [2021-06-07 03:51:13,258 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 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 [2021-06-07 03:51:13,323 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-06-07 03:51:13,323 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 03:51:13,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-07 03:51:13,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 03:51:13,734 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 81 proven. 138 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:51:13,734 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1455472979] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:51:13,734 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 03:51:13,735 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 37 [2021-06-07 03:51:13,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000731007] [2021-06-07 03:51:13,735 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-06-07 03:51:13,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:51:13,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-06-07 03:51:13,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=1196, Unknown=0, NotChecked=0, Total=1406 [2021-06-07 03:51:13,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:51:13,736 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:51:13,737 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 3.526315789473684) internal successors, (134), 37 states have internal predecessors, (134), 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) [2021-06-07 03:51:13,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:13,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:13,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:13,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 03:51:13,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 03:51:13,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 03:51:13,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-07 03:51:13,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 03:51:13,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 03:51:13,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-07 03:51:13,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-07 03:51:13,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-07 03:51:13,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-07 03:51:13,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:51:14,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:14,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:14,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:14,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 03:51:14,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 03:51:14,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 03:51:14,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-07 03:51:14,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 03:51:14,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 03:51:14,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-07 03:51:14,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-07 03:51:14,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 03:51:14,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-07 03:51:14,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-07 03:51:14,982 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-06-07 03:51:14,983 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 03:51:14,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:51:14,983 INFO L82 PathProgramCache]: Analyzing trace with hash 630488580, now seen corresponding path program 10 times [2021-06-07 03:51:14,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:51:14,983 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564224496] [2021-06-07 03:51:14,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:51:15,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:51:15,155 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 72 proven. 184 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:51:15,156 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:51:15,156 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564224496] [2021-06-07 03:51:15,156 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564224496] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:51:15,156 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1665754754] [2021-06-07 03:51:15,156 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 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 [2021-06-07 03:51:15,199 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 03:51:15,199 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 03:51:15,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-07 03:51:15,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 03:51:15,329 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 89 proven. 167 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:51:15,329 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1665754754] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:51:15,329 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 03:51:15,329 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 21 [2021-06-07 03:51:15,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802226938] [2021-06-07 03:51:15,330 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-07 03:51:15,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:51:15,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-07 03:51:15,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=339, Unknown=0, NotChecked=0, Total=462 [2021-06-07 03:51:15,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:51:15,330 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:51:15,330 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 3.772727272727273) internal successors, (83), 21 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 03:51:15,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:15,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:15,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:15,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 03:51:15,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 03:51:15,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 03:51:15,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-07 03:51:15,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 03:51:15,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 03:51:15,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-07 03:51:15,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-07 03:51:15,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-07 03:51:15,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-07 03:51:15,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-07 03:51:15,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:51:15,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:15,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:15,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:15,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 03:51:15,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 03:51:15,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 03:51:15,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-07 03:51:15,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 03:51:15,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 03:51:15,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-07 03:51:15,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-07 03:51:15,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 03:51:15,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-07 03:51:15,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-07 03:51:15,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-07 03:51:16,063 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-06-07 03:51:16,063 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 03:51:16,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:51:16,064 INFO L82 PathProgramCache]: Analyzing trace with hash 1355433602, now seen corresponding path program 11 times [2021-06-07 03:51:16,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:51:16,064 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039700621] [2021-06-07 03:51:16,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:51:16,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:51:16,250 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 73 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:51:16,251 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:51:16,251 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039700621] [2021-06-07 03:51:16,251 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039700621] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:51:16,251 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1069215211] [2021-06-07 03:51:16,251 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 03:51:16,313 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-06-07 03:51:16,313 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 03:51:16,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-07 03:51:16,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 03:51:16,439 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 90 proven. 208 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:51:16,440 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1069215211] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:51:16,440 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 03:51:16,440 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 22 [2021-06-07 03:51:16,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274937244] [2021-06-07 03:51:16,440 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-07 03:51:16,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:51:16,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-07 03:51:16,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2021-06-07 03:51:16,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:51:16,441 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:51:16,441 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 3.8260869565217392) internal successors, (88), 22 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 03:51:16,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:16,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:16,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:16,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 03:51:16,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 03:51:16,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 03:51:16,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-07 03:51:16,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 03:51:16,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 03:51:16,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-07 03:51:16,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-07 03:51:16,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 03:51:16,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-07 03:51:16,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-07 03:51:16,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-07 03:51:16,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:51:17,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:17,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:17,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:51:17,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 03:51:17,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 03:51:17,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 03:51:17,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-07 03:51:17,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 03:51:17,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 03:51:17,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-07 03:51:17,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-07 03:51:17,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 03:51:17,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-07 03:51:17,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-07 03:51:17,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-07 03:51:17,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-07 03:51:17,260 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 03:51:17,261 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 03:51:17,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:51:17,261 INFO L82 PathProgramCache]: Analyzing trace with hash -17556284, now seen corresponding path program 12 times [2021-06-07 03:51:17,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:51:17,261 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066568810] [2021-06-07 03:51:17,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:51:17,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:51:19,591 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:51:19,591 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:51:19,591 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066568810] [2021-06-07 03:51:19,591 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066568810] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:51:19,591 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1723816690] [2021-06-07 03:51:19,591 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 03:51:19,660 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2021-06-07 03:51:19,660 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 03:51:19,662 WARN L261 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 124 conjunts are in the unsatisfiable core [2021-06-07 03:51:19,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 03:51:19,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2021-06-07 03:51:19,693 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 03:51:19,700 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 03:51:19,701 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 03:51:19,701 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:27 [2021-06-07 03:51:19,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:19,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-07 03:51:19,774 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 03:51:19,783 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 03:51:19,784 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 03:51:19,784 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:41, output treesize:40 [2021-06-07 03:51:19,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:19,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:19,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:19,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-06-07 03:51:19,844 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 03:51:19,854 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 03:51:19,854 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 03:51:19,855 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:54, output treesize:53 [2021-06-07 03:51:19,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:19,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:19,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:19,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:19,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:19,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:19,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2021-06-07 03:51:19,931 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 03:51:19,943 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 03:51:19,944 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 03:51:19,944 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:67, output treesize:66 [2021-06-07 03:51:20,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 74 [2021-06-07 03:51:20,021 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 03:51:20,035 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 03:51:20,036 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 03:51:20,036 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2021-06-07 03:51:20,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 90 [2021-06-07 03:51:20,131 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 03:51:20,146 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 03:51:20,148 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 03:51:20,148 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:93, output treesize:92 [2021-06-07 03:51:20,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 106 [2021-06-07 03:51:20,240 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 03:51:20,259 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 03:51:20,260 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 03:51:20,260 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:106, output treesize:105 [2021-06-07 03:51:20,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 122 [2021-06-07 03:51:20,366 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 03:51:20,388 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 03:51:20,388 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 03:51:20,389 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:119, output treesize:118 [2021-06-07 03:51:20,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 138 [2021-06-07 03:51:20,504 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 03:51:20,528 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 03:51:20,529 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 03:51:20,529 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:132, output treesize:131 [2021-06-07 03:51:20,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:20,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 154 [2021-06-07 03:51:20,730 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 03:51:20,762 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 03:51:20,763 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 03:51:20,763 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:153, output treesize:152 [2021-06-07 03:51:23,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:23,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:23,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:23,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:23,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:23,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:24,142 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2021-06-07 03:51:24,143 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 03:51:24,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 51 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 27 case distinctions, treesize of input 128 treesize of output 334 [2021-06-07 03:51:25,234 WARN L205 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 2444 DAG size of output: 1045 [2021-06-07 03:51:25,740 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 2444 DAG size of output: 1045 [2021-06-07 03:51:26,050 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 961 DAG size of output: 961 [2021-06-07 03:51:26,064 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-07 03:51:28,141 WARN L205 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 980 DAG size of output: 117 [2021-06-07 03:51:28,141 INFO L628 ElimStorePlain]: treesize reduction 11891, result has 3.9 percent of original size [2021-06-07 03:51:28,326 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 03:51:28,327 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:179, output treesize:977 [2021-06-07 03:51:28,658 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2021-06-07 03:51:28,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:28,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:28,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:51:29,009 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2021-06-07 03:51:29,009 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 03:51:29,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 31 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 24 case distinctions, treesize of input 71 treesize of output 255 [2021-06-07 03:51:29,469 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 471 DAG size of output: 368 [2021-06-07 03:51:29,572 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 471 DAG size of output: 368 [2021-06-07 03:51:29,734 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 371 [2021-06-07 03:51:29,965 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 402 [2021-06-07 03:51:30,164 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 553 DAG size of output: 399 [2021-06-07 03:51:30,276 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 553 DAG size of output: 399 [2021-06-07 03:51:30,465 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 402 [2021-06-07 03:51:30,754 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 470 [2021-06-07 03:51:31,033 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 733 DAG size of output: 365 [2021-06-07 03:51:31,213 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 733 DAG size of output: 365 [2021-06-07 03:51:31,360 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 738 DAG size of output: 370 [2021-06-07 03:51:31,492 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 371 DAG size of output: 371 [2021-06-07 03:51:32,878 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 575 [2021-06-07 03:51:33,152 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 575 [2021-06-07 03:51:33,421 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 915 DAG size of output: 577 [2021-06-07 03:51:33,667 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 567 [2021-06-07 03:51:33,932 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 265 [2021-06-07 03:51:34,188 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 459 [2021-06-07 03:51:34,325 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 366 [2021-06-07 03:51:34,635 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 693 DAG size of output: 590 [2021-06-07 03:51:35,933 WARN L205 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 1574 DAG size of output: 1316 [2021-06-07 03:51:36,452 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 1574 DAG size of output: 1316 [2021-06-07 03:51:37,027 WARN L205 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 1576 DAG size of output: 1318 [2021-06-07 03:51:37,527 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 1253 DAG size of output: 1266 [2021-06-07 03:51:39,423 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 789 DAG size of output: 651 [2021-06-07 03:51:39,659 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 634 [2021-06-07 03:51:39,930 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 840 DAG size of output: 559 [2021-06-07 03:51:40,629 WARN L205 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 2075 DAG size of output: 1568 [2021-06-07 03:51:41,327 WARN L205 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 2075 DAG size of output: 1568 [2021-06-07 03:51:41,493 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 2080 DAG size of output: 118 [2021-06-07 03:52:18,151 WARN L348 FreeRefinementEngine]: Global settings require throwing the following exception [2021-06-07 03:52:18,357 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 03:52:18,357 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Size of result too large: 8003968320 xjuncts at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildDualFiniteJunction(DualJunctionTir.java:652) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildCorrespondingFiniteJunctionForAntiDer(DualJunctionTir.java:615) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildBoundConstraint(DualJunctionTir.java:451) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminateConjuncts(DualJunctionTir.java:205) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminateOne(DualJunctionTir.java:160) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryExhaustivelyToEliminate(DualJunctionTir.java:125) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminate(DualJunctionTir.java:112) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:869) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:835) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:753) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:384) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:316) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.convert(QuantifierPusher.java:227) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:166) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:160) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:465) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:316) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.convert(QuantifierPusher.java:227) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:166) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.applyNonSddEliminations(ElimStorePlain.java:714) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimOneRec(ElimStorePlain.java:299) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:607) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:242) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:307) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:100) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:297) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:643) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:364) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-06-07 03:52:18,362 INFO L168 Benchmark]: Toolchain (without parser) took 80278.88 ms. Allocated memory was 381.7 MB in the beginning and 8.3 GB in the end (delta: 7.9 GB). Free memory was 360.5 MB in the beginning and 7.9 GB in the end (delta: -7.5 GB). Peak memory consumption was 1.9 GB. Max. memory is 16.0 GB. [2021-06-07 03:52:18,362 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 381.7 MB. Free memory was 361.8 MB in the beginning and 361.7 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 03:52:18,362 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.58 ms. Allocated memory is still 381.7 MB. Free memory was 360.5 MB in the beginning and 359.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 03:52:18,362 INFO L168 Benchmark]: Boogie Preprocessor took 18.51 ms. Allocated memory is still 381.7 MB. Free memory was 359.1 MB in the beginning and 358.1 MB in the end (delta: 992.6 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 03:52:18,363 INFO L168 Benchmark]: RCFGBuilder took 272.29 ms. Allocated memory is still 381.7 MB. Free memory was 358.0 MB in the beginning and 344.6 MB in the end (delta: 13.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-06-07 03:52:18,363 INFO L168 Benchmark]: TraceAbstraction took 79958.54 ms. Allocated memory was 381.7 MB in the beginning and 8.3 GB in the end (delta: 7.9 GB). Free memory was 344.1 MB in the beginning and 7.9 GB in the end (delta: -7.5 GB). Peak memory consumption was 1.8 GB. Max. memory is 16.0 GB. [2021-06-07 03:52:18,363 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 381.7 MB. Free memory was 361.8 MB in the beginning and 361.7 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 24.58 ms. Allocated memory is still 381.7 MB. Free memory was 360.5 MB in the beginning and 359.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 18.51 ms. Allocated memory is still 381.7 MB. Free memory was 359.1 MB in the beginning and 358.1 MB in the end (delta: 992.6 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 272.29 ms. Allocated memory is still 381.7 MB. Free memory was 358.0 MB in the beginning and 344.6 MB in the end (delta: 13.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 79958.54 ms. Allocated memory was 381.7 MB in the beginning and 8.3 GB in the end (delta: 7.9 GB). Free memory was 344.1 MB in the beginning and 7.9 GB in the end (delta: -7.5 GB). Peak memory consumption was 1.8 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Size of result too large: 8003968320 xjuncts de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Size of result too large: 8003968320 xjuncts: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildDualFiniteJunction(DualJunctionTir.java:652) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...