/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 11:37:17,334 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 11:37:17,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 11:37:17,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 11:37:17,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 11:37:17,369 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 11:37:17,370 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 11:37:17,371 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 11:37:17,371 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 11:37:17,372 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 11:37:17,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 11:37:17,375 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 11:37:17,376 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 11:37:17,377 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 11:37:17,378 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 11:37:17,379 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 11:37:17,381 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-06 11:37:17,389 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 11:37:17,389 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 11:37:17,390 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 11:37:17,391 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.epf [2021-06-06 11:37:17,409 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 11:37:17,409 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 11:37:17,410 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 11:37:17,410 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 11:37:17,411 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 11:37:17,411 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 11:37:17,411 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 11:37:17,411 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 11:37:17,411 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 11:37:17,412 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 11:37:17,412 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 11:37:17,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 11:37:17,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 11:37:17,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 11:37:17,412 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 11:37:17,413 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 11:37:17,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 11:37:17,413 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 11:37:17,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 11:37:17,413 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 11:37:17,413 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 11:37:17,414 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 11:37:17,414 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 11:37:17,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 11:37:17,414 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 11:37:17,414 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 11:37:17,414 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 11:37:17,414 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 11:37:17,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 11:37:17,415 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 11:37:17,415 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 11:37:17,415 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 11:37:17,415 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 11:37:17,415 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 11:37:17,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 11:37:17,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 11:37:17,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 11:37:17,758 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 11:37:17,760 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 11:37:17,760 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl [2021-06-06 11:37:17,760 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl' [2021-06-06 11:37:17,795 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 11:37:17,797 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 11:37:17,798 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 11:37:17,798 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 11:37:17,798 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 11:37:17,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:37:17" (1/1) ... [2021-06-06 11:37:17,816 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:37:17" (1/1) ... [2021-06-06 11:37:17,822 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 11:37:17,825 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 11:37:17,825 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 11:37:17,825 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 11:37:17,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:37:17" (1/1) ... [2021-06-06 11:37:17,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:37:17" (1/1) ... [2021-06-06 11:37:17,837 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:37:17" (1/1) ... [2021-06-06 11:37:17,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:37:17" (1/1) ... [2021-06-06 11:37:17,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:37:17" (1/1) ... [2021-06-06 11:37:17,845 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:37:17" (1/1) ... [2021-06-06 11:37:17,846 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:37:17" (1/1) ... [2021-06-06 11:37:17,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 11:37:17,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 11:37:17,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 11:37:17,852 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 11:37:17,854 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:37:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 11:37:17,925 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 11:37:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 11:37:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 11:37:17,926 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 11:37:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 11:37:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 11:37:17,926 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 11:37:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 11:37:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 11:37:17,927 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-06 11:37:17,928 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-06 11:37:17,928 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-06 11:37:17,929 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 11:37:18,174 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 11:37:18,175 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 11:37:18,176 INFO L202 PluginConnector]: Adding new model max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 11:37:18 BoogieIcfgContainer [2021-06-06 11:37:18,176 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 11:37:18,178 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 11:37:18,178 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 11:37:18,180 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 11:37:18,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:37:17" (1/2) ... [2021-06-06 11:37:18,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46d7033e and model type max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 11:37:18, skipping insertion in model container [2021-06-06 11:37:18,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 11:37:18" (2/2) ... [2021-06-06 11:37:18,182 INFO L111 eAbstractionObserver]: Analyzing ICFG max-fun.wvr.bpl [2021-06-06 11:37:18,187 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 11:37:18,187 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 11:37:18,187 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 11:37:18,187 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 11:37:18,270 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-06 11:37:18,310 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 [2021-06-06 11:37:18,365 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 11:37:18,365 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 11:37:18,365 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 11:37:18,365 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 11:37:18,365 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 11:37:18,365 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 11:37:18,365 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 11:37:18,365 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 11:37:18,418 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:37:18,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:37:18,423 INFO L82 PathProgramCache]: Analyzing trace with hash 1685831996, now seen corresponding path program 1 times [2021-06-06 11:37:18,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:37:18,431 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484235689] [2021-06-06 11:37:18,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:37:18,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:37:18,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:37:18,622 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:37:18,623 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484235689] [2021-06-06 11:37:18,624 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484235689] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 11:37:18,624 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 11:37:18,624 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 11:37:18,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70770653] [2021-06-06 11:37:18,628 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 11:37:18,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:37:18,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 11:37:18,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 11:37:18,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:37:18,648 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:37:18,650 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:37:18,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:37:18,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:37:18,679 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 11:37:18,679 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:37:18,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:37:18,682 INFO L82 PathProgramCache]: Analyzing trace with hash 1860946394, now seen corresponding path program 1 times [2021-06-06 11:37:18,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:37:18,683 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688783603] [2021-06-06 11:37:18,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:37:18,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:37:18,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 11:37:18,739 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:37:18,739 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688783603] [2021-06-06 11:37:18,739 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688783603] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 11:37:18,740 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 11:37:18,740 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 11:37:18,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544290300] [2021-06-06 11:37:18,741 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 11:37:18,741 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:37:18,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 11:37:18,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 11:37:18,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:37:18,742 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:37:18,742 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:37:18,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:37:18,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:37:18,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:37:18,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:37:18,785 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 11:37:18,785 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:37:18,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:37:18,786 INFO L82 PathProgramCache]: Analyzing trace with hash 2099964152, now seen corresponding path program 1 times [2021-06-06 11:37:18,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:37:18,787 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278268613] [2021-06-06 11:37:18,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:37:18,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:37:19,271 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:37:19,272 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:37:19,272 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278268613] [2021-06-06 11:37:19,272 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278268613] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:37:19,272 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080014993] [2021-06-06 11:37:19,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:37:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:37:19,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-06 11:37:19,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:37:19,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-06-06 11:37:19,630 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:19,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-06-06 11:37:19,635 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:19,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-06-06 11:37:19,643 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:19,655 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:19,658 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 11:37:19,659 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:103, output treesize:21 [2021-06-06 11:37:19,709 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:37:19,709 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080014993] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:37:19,710 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:37:19,710 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-06 11:37:19,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928823274] [2021-06-06 11:37:19,710 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-06 11:37:19,710 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:37:19,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-06 11:37:19,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-06-06 11:37:19,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:37:19,711 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:37:19,712 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 11 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) [2021-06-06 11:37:19,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:37:19,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:37:19,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:37:19,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:37:19,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:37:19,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:37:20,076 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:37:20,077 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:37:20,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:37:20,077 INFO L82 PathProgramCache]: Analyzing trace with hash 1225355926, now seen corresponding path program 2 times [2021-06-06 11:37:20,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:37:20,078 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131755918] [2021-06-06 11:37:20,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:37:20,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:37:20,150 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:37:20,150 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:37:20,150 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131755918] [2021-06-06 11:37:20,151 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131755918] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:37:20,151 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1890328048] [2021-06-06 11:37:20,151 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 [2021-06-06 11:37:20,198 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 11:37:20,198 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:37:20,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 11:37:20,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:37:20,332 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:37:20,332 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1890328048] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:37:20,337 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:37:20,337 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-06 11:37:20,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982867198] [2021-06-06 11:37:20,339 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-06 11:37:20,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:37:20,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-06 11:37:20,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-06 11:37:20,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:37:20,341 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:37:20,342 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:37:20,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:37:20,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:37:20,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:37:20,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:37:20,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:37:20,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:37:20,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:37:20,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:37:20,756 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:37:20,757 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:37:20,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:37:20,757 INFO L82 PathProgramCache]: Analyzing trace with hash 661666650, now seen corresponding path program 1 times [2021-06-06 11:37:20,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:37:20,757 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926899730] [2021-06-06 11:37:20,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:37:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:37:20,813 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 11:37:20,813 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:37:20,813 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926899730] [2021-06-06 11:37:20,813 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926899730] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:37:20,813 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1314128603] [2021-06-06 11:37:20,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:37:20,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:37:20,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 11:37:20,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:37:20,983 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 11:37:20,983 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1314128603] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:37:20,984 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:37:20,984 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-06 11:37:20,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102125969] [2021-06-06 11:37:20,984 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 11:37:20,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:37:20,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 11:37:20,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-06-06 11:37:20,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:37:20,985 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:37:20,986 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:37:20,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:37:20,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:37:20,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:37:20,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:37:20,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:37:21,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:37:21,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:37:21,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:37:21,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:37:21,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:37:21,317 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:37:21,317 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:37:21,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:37:21,318 INFO L82 PathProgramCache]: Analyzing trace with hash -258173320, now seen corresponding path program 2 times [2021-06-06 11:37:21,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:37:21,318 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217764428] [2021-06-06 11:37:21,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:37:21,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:37:22,008 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 59 [2021-06-06 11:37:22,316 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 65 [2021-06-06 11:37:22,613 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2021-06-06 11:37:22,834 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2021-06-06 11:37:23,062 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2021-06-06 11:37:23,202 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:37:23,202 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:37:23,202 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217764428] [2021-06-06 11:37:23,204 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217764428] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:37:23,204 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573785198] [2021-06-06 11:37:23,205 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:37:23,256 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 11:37:23,256 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:37:23,257 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 41 conjunts are in the unsatisfiable core [2021-06-06 11:37:23,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:37:24,738 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-06-06 11:37:26,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:26,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:26,683 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-06 11:37:26,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 45 [2021-06-06 11:37:26,689 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:26,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:26,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:26,769 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-06 11:37:26,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 36 [2021-06-06 11:37:26,773 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:28,600 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 350 [2021-06-06 11:37:28,600 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:28,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:28,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:28,691 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-06 11:37:28,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 35 [2021-06-06 11:37:28,706 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:28,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:28,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:28,786 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 11:37:28,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 50 [2021-06-06 11:37:28,801 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:30,483 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 341 [2021-06-06 11:37:30,484 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:30,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:30,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:30,567 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:30,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 69 [2021-06-06 11:37:30,580 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:30,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:30,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:30,678 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-06-06 11:37:30,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 48 [2021-06-06 11:37:30,687 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:33,784 WARN L205 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 339 DAG size of output: 333 [2021-06-06 11:37:33,785 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.2 percent of original size [2021-06-06 11:37:33,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:33,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:33,864 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-06 11:37:33,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 36 [2021-06-06 11:37:33,872 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:33,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:33,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:33,959 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-06 11:37:33,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 57 [2021-06-06 11:37:33,971 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:35,463 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 320 [2021-06-06 11:37:35,464 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:35,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:35,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:35,573 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-06 11:37:35,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 54 [2021-06-06 11:37:35,582 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:35,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:35,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:35,666 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 11:37:35,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 47 treesize of output 53 [2021-06-06 11:37:35,671 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:37,178 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 313 [2021-06-06 11:37:37,179 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:37,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:37,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:37,257 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-06-06 11:37:37,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 34 [2021-06-06 11:37:37,271 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:37,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:37,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:37,350 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-06 11:37:37,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 39 [2021-06-06 11:37:37,358 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:38,746 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 302 [2021-06-06 11:37:38,747 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:38,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:38,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:38,824 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-06-06 11:37:38,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 40 [2021-06-06 11:37:38,835 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:38,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:38,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:38,893 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-06 11:37:38,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 45 treesize of output 39 [2021-06-06 11:37:38,899 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:40,198 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 290 [2021-06-06 11:37:40,199 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:40,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:40,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:40,293 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-06 11:37:40,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 57 [2021-06-06 11:37:40,316 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:40,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:40,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:40,383 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-06 11:37:40,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 36 [2021-06-06 11:37:40,385 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:43,003 WARN L205 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 289 DAG size of output: 288 [2021-06-06 11:37:43,004 INFO L628 ElimStorePlain]: treesize reduction 5, result has 99.7 percent of original size [2021-06-06 11:37:43,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:43,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:43,088 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:43,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 28 treesize of output 60 [2021-06-06 11:37:43,109 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:43,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:43,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:43,174 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-06-06 11:37:43,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 33 treesize of output 31 [2021-06-06 11:37:43,177 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:44,417 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 273 [2021-06-06 11:37:44,418 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:44,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:44,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:44,498 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:44,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 69 [2021-06-06 11:37:44,513 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:44,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:44,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:44,584 INFO L354 Elim1Store]: treesize reduction 4, result has 91.1 percent of original size [2021-06-06 11:37:44,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 62 [2021-06-06 11:37:44,604 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:46,957 WARN L205 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 265 DAG size of output: 259 [2021-06-06 11:37:46,958 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.1 percent of original size [2021-06-06 11:37:46,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:46,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:47,045 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-06 11:37:47,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 45 [2021-06-06 11:37:47,047 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:47,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:47,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:47,110 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-06 11:37:47,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 38 [2021-06-06 11:37:47,113 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:48,245 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 248 [2021-06-06 11:37:48,245 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:48,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:48,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:48,328 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 11:37:48,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 47 treesize of output 53 [2021-06-06 11:37:48,343 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:48,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:48,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:48,402 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-06 11:37:48,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 38 [2021-06-06 11:37:48,408 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:49,517 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 238 [2021-06-06 11:37:49,518 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:49,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:49,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:49,593 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 11:37:49,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 50 [2021-06-06 11:37:49,602 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:49,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:49,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:49,649 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-06-06 11:37:49,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 37 [2021-06-06 11:37:49,658 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:50,690 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 225 [2021-06-06 11:37:50,690 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:50,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:50,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:50,779 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-06 11:37:50,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 57 [2021-06-06 11:37:50,789 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:50,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:50,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:50,853 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 11:37:50,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 50 [2021-06-06 11:37:50,862 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:51,863 WARN L205 SmtUtils]: Spent 1000.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-06-06 11:37:51,863 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:51,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:51,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:51,926 INFO L354 Elim1Store]: treesize reduction 14, result has 68.9 percent of original size [2021-06-06 11:37:51,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 33 treesize of output 49 [2021-06-06 11:37:51,949 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:51,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:51,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:52,015 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-06-06 11:37:52,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 38 treesize of output 48 [2021-06-06 11:37:52,021 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:53,012 WARN L205 SmtUtils]: Spent 990.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2021-06-06 11:37:53,013 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:53,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:53,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:53,073 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-06 11:37:53,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 57 [2021-06-06 11:37:53,083 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:53,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:53,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:53,135 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-06 11:37:53,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 36 [2021-06-06 11:37:53,139 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:54,003 WARN L205 SmtUtils]: Spent 864.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-06-06 11:37:54,004 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:54,277 INFO L550 ElimStorePlain]: Start of recursive call 1: 17 dim-0 vars, 16 dim-1 vars, End of recursive call: and 32 xjuncts. [2021-06-06 11:37:54,278 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 33 variables, input treesize:2233, output treesize:2097 [2021-06-06 11:37:55,011 WARN L205 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 59 [2021-06-06 11:37:55,149 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:37:55,149 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [573785198] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:37:55,149 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:37:55,149 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-06-06 11:37:55,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255193567] [2021-06-06 11:37:55,150 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-06 11:37:55,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:37:55,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-06 11:37:55,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=506, Unknown=0, NotChecked=0, Total=600 [2021-06-06 11:37:55,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:37:55,151 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:37:55,151 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.24) internal successors, (56), 25 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:37:55,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:37:55,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:37:55,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:37:55,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:37:55,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:37:55,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:37:55,504 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 51 [2021-06-06 11:37:55,683 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 63 [2021-06-06 11:37:56,015 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2021-06-06 11:37:56,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:37:56,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:37:56,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:37:56,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:37:56,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:37:56,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:37:56,343 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-06-06 11:37:56,343 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:37:56,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:37:56,344 INFO L82 PathProgramCache]: Analyzing trace with hash 538878486, now seen corresponding path program 3 times [2021-06-06 11:37:56,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:37:56,344 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993845627] [2021-06-06 11:37:56,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:37:56,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:37:56,445 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:37:56,445 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:37:56,445 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993845627] [2021-06-06 11:37:56,445 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993845627] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:37:56,446 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1009221273] [2021-06-06 11:37:56,446 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:37:56,492 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-06 11:37:56,492 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:37:56,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 11:37:56,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:37:56,661 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:37:56,662 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1009221273] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:37:56,662 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:37:56,662 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-06-06 11:37:56,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912741454] [2021-06-06 11:37:56,662 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-06 11:37:56,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:37:56,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-06 11:37:56,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-06-06 11:37:56,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:37:56,663 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:37:56,663 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 20 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:37:56,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:37:56,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:37:56,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:37:56,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:37:56,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:37:56,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:37:56,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:37:57,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:37:57,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:37:57,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:37:57,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:37:57,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:37:57,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:37:57,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:37:57,320 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable276,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:37:57,321 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:37:57,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:37:57,321 INFO L82 PathProgramCache]: Analyzing trace with hash 157395674, now seen corresponding path program 4 times [2021-06-06 11:37:57,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:37:57,321 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985681744] [2021-06-06 11:37:57,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:37:57,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:37:57,395 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 11:37:57,395 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:37:57,395 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985681744] [2021-06-06 11:37:57,395 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985681744] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:37:57,395 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873616552] [2021-06-06 11:37:57,395 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:37:57,436 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 11:37:57,436 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:37:57,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 11:37:57,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:37:57,565 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 11:37:57,565 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1873616552] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:37:57,565 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:37:57,566 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-06-06 11:37:57,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112113992] [2021-06-06 11:37:57,566 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-06 11:37:57,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:37:57,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-06 11:37:57,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-06-06 11:37:57,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:37:57,567 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:37:57,567 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:37:57,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:37:57,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:37:57,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:37:57,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:37:57,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:37:57,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:37:57,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:37:57,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:37:57,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:37:57,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:37:57,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:37:57,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:37:57,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:37:57,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:37:57,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:37:57,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:37:57,924 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable277 [2021-06-06 11:37:57,925 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:37:57,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:37:57,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1710749704, now seen corresponding path program 5 times [2021-06-06 11:37:57,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:37:57,925 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110494013] [2021-06-06 11:37:57,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:37:58,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:37:59,261 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 99 [2021-06-06 11:37:59,568 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 53 [2021-06-06 11:37:59,747 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 191 [2021-06-06 11:38:00,081 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 89 [2021-06-06 11:38:02,785 WARN L205 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 320 DAG size of output: 295 [2021-06-06 11:38:03,607 WARN L205 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 131 [2021-06-06 11:38:06,999 WARN L205 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 310 DAG size of output: 299 [2021-06-06 11:38:07,925 WARN L205 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 150 [2021-06-06 11:38:10,710 WARN L205 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 305 DAG size of output: 293 [2021-06-06 11:38:11,605 WARN L205 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 145 [2021-06-06 11:38:13,184 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 258 DAG size of output: 258 [2021-06-06 11:38:13,952 WARN L205 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 118 [2021-06-06 11:38:15,500 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 201 DAG size of output: 170 [2021-06-06 11:38:15,870 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 66 [2021-06-06 11:38:16,827 WARN L205 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 107 [2021-06-06 11:38:17,028 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 43 [2021-06-06 11:38:17,942 WARN L205 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 104 [2021-06-06 11:38:18,133 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 40 [2021-06-06 11:38:18,348 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 23 [2021-06-06 11:38:18,403 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:38:18,403 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:38:18,403 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110494013] [2021-06-06 11:38:18,403 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110494013] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:38:18,403 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [792559032] [2021-06-06 11:38:18,403 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:38:18,465 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-06 11:38:18,465 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:38:18,466 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-06 11:38:18,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:38:20,453 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 119 [2021-06-06 11:38:21,972 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 355 [2021-06-06 11:38:24,285 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 364 [2021-06-06 11:38:26,171 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 365 [2021-06-06 11:38:28,144 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 367 [2021-06-06 11:38:29,757 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 366 [2021-06-06 11:38:31,278 WARN L205 SmtUtils]: Spent 931.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2021-06-06 11:38:33,242 WARN L205 SmtUtils]: Spent 871.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2021-06-06 11:38:34,096 INFO L446 ElimStorePlain]: Different costs {9=[v_prenex_160, v_prenex_162, v_prenex_140, v_prenex_120, v_prenex_142, v_prenex_164, v_prenex_144, v_prenex_166, v_prenex_122, v_prenex_146, v_prenex_124, v_prenex_168, v_prenex_126, v_prenex_148, v_prenex_128, v_prenex_150, v_prenex_130, v_prenex_154, v_prenex_132, v_prenex_111, v_prenex_134, v_prenex_156, v_prenex_158, v_prenex_114, v_prenex_136, v_prenex_138, v_prenex_116, v_prenex_107, A, v_prenex_109], 15=[v_prenex_118, v_prenex_152]} [2021-06-06 11:38:34,141 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:34,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:34,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:34,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:34,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:34,152 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:34,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-06-06 11:38:34,187 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:34,231 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:34,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:34,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:34,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:34,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:34,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 28 [2021-06-06 11:38:34,242 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:41,341 WARN L205 SmtUtils]: Spent 7.10 s on a formula simplification. DAG size of input: 807 DAG size of output: 753 [2021-06-06 11:38:41,342 INFO L628 ElimStorePlain]: treesize reduction 1224, result has 68.9 percent of original size [2021-06-06 11:38:41,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:41,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:41,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:41,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:41,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 11:38:41,405 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:41,435 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:41,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:41,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:41,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:41,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:41,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 11:38:41,445 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:44,189 WARN L205 SmtUtils]: Spent 2.74 s on a formula simplification that was a NOOP. DAG size: 739 [2021-06-06 11:38:44,189 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:44,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:44,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:44,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:44,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:44,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 11:38:44,270 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:44,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:44,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:44,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:44,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:44,312 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:44,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 11:38:44,315 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:46,971 WARN L205 SmtUtils]: Spent 2.66 s on a formula simplification that was a NOOP. DAG size: 723 [2021-06-06 11:38:46,972 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:47,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:47,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:47,004 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:47,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:47,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:47,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:47,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 11:38:47,027 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:47,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:47,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:47,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:47,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:47,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 11:38:47,065 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:49,597 WARN L205 SmtUtils]: Spent 2.53 s on a formula simplification that was a NOOP. DAG size: 707 [2021-06-06 11:38:49,598 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:49,639 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:49,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:49,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:49,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:49,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:49,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-06 11:38:49,654 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:52,084 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification that was a NOOP. DAG size: 693 [2021-06-06 11:38:52,085 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:52,114 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:52,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:52,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:52,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:52,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:52,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-06 11:38:52,124 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:54,519 WARN L205 SmtUtils]: Spent 2.39 s on a formula simplification that was a NOOP. DAG size: 678 [2021-06-06 11:38:54,520 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:54,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:54,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:54,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:54,552 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:54,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:54,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-06 11:38:54,556 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:56,967 WARN L205 SmtUtils]: Spent 2.41 s on a formula simplification that was a NOOP. DAG size: 663 [2021-06-06 11:38:56,968 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:57,016 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:57,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:57,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:57,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:57,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:57,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 11:38:57,026 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:59,306 WARN L205 SmtUtils]: Spent 2.28 s on a formula simplification that was a NOOP. DAG size: 648 [2021-06-06 11:38:59,307 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:59,342 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:59,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:59,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:59,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:59,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:59,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 11:38:59,349 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:01,573 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification that was a NOOP. DAG size: 633 [2021-06-06 11:39:01,573 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:01,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:01,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:01,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:01,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:01,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-06 11:39:01,634 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:01,659 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:01,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:01,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:01,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:01,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:01,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-06-06 11:39:01,669 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:03,730 WARN L205 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 618 [2021-06-06 11:39:03,731 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:03,755 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:03,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:03,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:03,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:03,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:03,761 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:03,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-06-06 11:39:03,781 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:03,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:03,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:03,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:03,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:03,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 22 [2021-06-06 11:39:03,815 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:05,715 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 601 [2021-06-06 11:39:05,715 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:05,740 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:05,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:05,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:05,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:05,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:05,746 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:05,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 11:39:05,763 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:05,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:05,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:05,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:05,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:05,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 11:39:05,796 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:07,651 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 585 [2021-06-06 11:39:07,651 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:07,675 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:07,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:07,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:07,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:07,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:07,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-06 11:39:07,683 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:09,550 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 570 [2021-06-06 11:39:09,551 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:09,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:09,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:09,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:09,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:09,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-06-06 11:39:09,599 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:09,622 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:09,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:09,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:09,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:09,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:09,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2021-06-06 11:39:09,629 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:11,332 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 553 [2021-06-06 11:39:11,333 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:11,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:11,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:11,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:11,360 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:11,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:11,366 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:11,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-06-06 11:39:11,379 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:11,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:11,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:11,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:11,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:11,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-06 11:39:11,409 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:13,033 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 536 [2021-06-06 11:39:13,034 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:13,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:13,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:13,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:13,059 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:13,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:13,066 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:13,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 11:39:13,079 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:13,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:13,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:13,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:13,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:13,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 11:39:13,111 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:14,646 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 519 [2021-06-06 11:39:14,647 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:14,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:14,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:14,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:14,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:14,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-06-06 11:39:14,691 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:14,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:14,713 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:14,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:14,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:14,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:14,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-06 11:39:14,719 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:16,150 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 502 [2021-06-06 11:39:16,151 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:16,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:16,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:16,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:16,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:16,175 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:16,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 11:39:16,178 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:17,556 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 488 [2021-06-06 11:39:17,557 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:17,578 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:17,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:17,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:17,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:17,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:17,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 11:39:17,586 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:18,903 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 473 [2021-06-06 11:39:18,904 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:18,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:18,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:18,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:18,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:18,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-06 11:39:18,947 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:18,971 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:18,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:18,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:18,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:18,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:18,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-06 11:39:18,978 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:20,209 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 456 [2021-06-06 11:39:20,209 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:20,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:20,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:20,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:20,232 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:20,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:20,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 11:39:20,235 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:21,440 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 441 [2021-06-06 11:39:21,441 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:21,461 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:21,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:21,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:21,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:21,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:21,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 11:39:21,468 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:22,626 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 426 [2021-06-06 11:39:22,627 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:22,646 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:22,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:22,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:22,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:22,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:22,650 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:22,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-06-06 11:39:22,664 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:22,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:22,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:22,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:22,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:22,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-06 11:39:22,691 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:23,765 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 409 [2021-06-06 11:39:23,765 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:23,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:23,784 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:23,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:23,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:23,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:23,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 11:39:23,789 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:24,865 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 394 [2021-06-06 11:39:24,865 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:24,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:24,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:24,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:24,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:24,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:24,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-06 11:39:24,892 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:25,913 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 379 [2021-06-06 11:39:25,913 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:25,932 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:25,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:25,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:25,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:25,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:25,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-06 11:39:25,938 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:26,945 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 364 [2021-06-06 11:39:26,945 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:26,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:26,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:26,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:26,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:26,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 11:39:26,980 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:26,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:26,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:26,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:26,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:27,000 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:27,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 11:39:27,002 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:27,905 WARN L205 SmtUtils]: Spent 902.00 ms on a formula simplification that was a NOOP. DAG size: 347 [2021-06-06 11:39:27,905 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:27,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:27,922 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:27,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:27,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:27,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:27,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 11:39:27,927 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:28,788 WARN L205 SmtUtils]: Spent 861.00 ms on a formula simplification that was a NOOP. DAG size: 332 [2021-06-06 11:39:28,789 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:28,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:28,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:28,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:28,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:28,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 11:39:28,822 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:28,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:28,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:28,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:28,844 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:28,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:28,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 11:39:28,848 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:29,666 WARN L205 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2021-06-06 11:39:29,666 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:29,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:29,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:29,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:29,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:29,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:29,685 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:29,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 11:39:29,698 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:29,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:29,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:29,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:29,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:29,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 11:39:29,721 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:30,464 WARN L205 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2021-06-06 11:39:30,465 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:30,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:30,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:30,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:30,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:30,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:30,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:30,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:30,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:30,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:30,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:30,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:30,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:30,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:30,493 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:30,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 11:39:30,495 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:31,195 WARN L205 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2021-06-06 11:39:31,196 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:31,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:31,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:31,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:31,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:31,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:31,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:31,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:31,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:31,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:31,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:31,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2021-06-06 11:39:31,225 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:31,892 WARN L205 SmtUtils]: Spent 666.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2021-06-06 11:39:31,892 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:31,915 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 32 dim-1 vars, End of recursive call: and 21 xjuncts. [2021-06-06 11:39:31,916 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 96 variables, input treesize:4005, output treesize:226 [2021-06-06 11:39:32,128 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:39:32,128 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [792559032] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:39:32,128 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:39:32,128 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-06-06 11:39:32,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744022221] [2021-06-06 11:39:32,129 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-06 11:39:32,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:39:32,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-06 11:39:32,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=896, Unknown=0, NotChecked=0, Total=992 [2021-06-06 11:39:32,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:39:32,130 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:39:32,130 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.3125) internal successors, (74), 32 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:39:32,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:39:32,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:39:32,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:39:32,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:39:32,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:39:32,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:39:32,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:39:32,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:39:32,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:39:32,548 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 35 [2021-06-06 11:39:32,993 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 46 [2021-06-06 11:39:33,527 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 64 [2021-06-06 11:39:33,772 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 66 [2021-06-06 11:39:34,056 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 67 [2021-06-06 11:39:34,359 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 85 [2021-06-06 11:39:35,175 WARN L205 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 127 [2021-06-06 11:39:37,536 WARN L205 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 238 DAG size of output: 123 [2021-06-06 11:39:41,323 WARN L205 SmtUtils]: Spent 3.55 s on a formula simplification. DAG size of input: 540 DAG size of output: 162 [2021-06-06 11:39:41,702 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2021-06-06 11:39:42,302 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-06-06 11:39:42,633 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2021-06-06 11:39:42,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:39:42,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:39:42,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:39:42,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:39:42,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:39:42,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:39:42,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:39:42,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:39:42,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 11:39:42,915 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable278 [2021-06-06 11:39:42,915 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:39:42,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:39:42,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1933198930, now seen corresponding path program 6 times [2021-06-06 11:39:42,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:39:42,916 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622274422] [2021-06-06 11:39:42,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:39:42,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:39:43,049 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:39:43,049 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:39:43,049 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622274422] [2021-06-06 11:39:43,049 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622274422] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:39:43,049 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1043383760] [2021-06-06 11:39:43,049 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:39:43,099 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-06 11:39:43,100 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:39:43,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-06 11:39:43,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:39:43,363 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:39:43,363 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1043383760] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:39:43,363 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:39:43,363 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-06-06 11:39:43,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969302212] [2021-06-06 11:39:43,368 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-06 11:39:43,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:39:43,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-06 11:39:43,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-06-06 11:39:43,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:39:43,370 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:39:43,371 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.3793103448275863) internal successors, (69), 29 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:39:43,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:39:43,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:39:43,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:39:43,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:39:43,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:39:43,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:39:43,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:39:43,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:39:43,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 11:39:43,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:39:43,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:39:43,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:39:43,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:39:43,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:39:43,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:39:43,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:39:43,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:39:43,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:39:43,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 11:39:43,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 11:39:43,780 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable434,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:39:43,781 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:39:43,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:39:43,781 INFO L82 PathProgramCache]: Analyzing trace with hash 976790896, now seen corresponding path program 7 times [2021-06-06 11:39:43,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:39:43,781 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227454716] [2021-06-06 11:39:43,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:39:43,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:39:46,862 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 47 [2021-06-06 11:39:47,889 WARN L205 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 122 [2021-06-06 11:39:48,114 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 44 [2021-06-06 11:39:54,431 WARN L205 SmtUtils]: Spent 6.31 s on a formula simplification. DAG size of input: 419 DAG size of output: 328 [2021-06-06 11:39:55,062 WARN L205 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 70 [2021-06-06 11:41:55,860 WARN L205 SmtUtils]: Spent 2.01 m on a formula simplification. DAG size of input: 701 DAG size of output: 581 [2021-06-06 11:41:55,975 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 581 DAG size of output: 581 [2021-06-06 11:41:57,832 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 581 DAG size of output: 126 [2021-06-06 11:45:52,335 WARN L205 SmtUtils]: Spent 3.91 m on a formula simplification. DAG size of input: 759 DAG size of output: 752 [2021-06-06 11:45:55,103 WARN L205 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 751 DAG size of output: 179 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown