/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 18:50:17,777 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 18:50:17,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 18:50:17,809 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 18:50:17,824 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 18:50:17,825 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 18:50:17,826 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 18:50:17,827 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 18:50:17,833 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 18:50:17,833 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 18:50:17,835 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 18:50:17,839 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 18:50:17,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 18:50:17,842 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 18:50:17,842 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 18:50:17,844 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 18:50:17,848 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-14 18:50:17,854 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 18:50:17,854 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 18:50:17,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 18:50:17,855 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-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-07-14 18:50:17,882 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 18:50:17,883 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 18:50:17,883 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 18:50:17,883 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 18:50:17,885 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 18:50:17,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 18:50:17,885 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 18:50:17,885 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 18:50:17,886 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 18:50:17,886 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 18:50:17,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 18:50:17,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 18:50:17,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 18:50:17,887 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 18:50:17,887 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 18:50:17,887 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 18:50:17,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 18:50:17,887 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 18:50:17,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 18:50:17,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 18:50:17,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 18:50:17,887 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 18:50:17,887 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 18:50:17,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 18:50:17,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 18:50:17,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 18:50:17,888 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 18:50:17,888 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 18:50:17,888 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 18:50:17,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 18:50:17,888 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 18:50:17,888 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 18:50:17,888 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 18:50:17,889 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 18:50:17,889 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 18:50:18,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 18:50:18,129 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 18:50:18,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 18:50:18,131 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 18:50:18,132 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 18:50:18,133 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl [2021-07-14 18:50:18,133 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl' [2021-07-14 18:50:18,160 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 18:50:18,162 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 18:50:18,163 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 18:50:18,163 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 18:50:18,163 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 18:50:18,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:50:18" (1/1) ... [2021-07-14 18:50:18,178 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:50:18" (1/1) ... [2021-07-14 18:50:18,183 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 18:50:18,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 18:50:18,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 18:50:18,185 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 18:50:18,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:50:18" (1/1) ... [2021-07-14 18:50:18,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:50:18" (1/1) ... [2021-07-14 18:50:18,192 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:50:18" (1/1) ... [2021-07-14 18:50:18,192 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:50:18" (1/1) ... [2021-07-14 18:50:18,195 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:50:18" (1/1) ... [2021-07-14 18:50:18,197 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:50:18" (1/1) ... [2021-07-14 18:50:18,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:50:18" (1/1) ... [2021-07-14 18:50:18,199 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 18:50:18,200 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 18:50:18,200 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 18:50:18,200 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 18:50:18,201 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:50:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 18:50:18,283 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 18:50:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 18:50:18,283 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 18:50:18,283 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 18:50:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 18:50:18,284 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 18:50:18,284 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 18:50:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 18:50:18,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 18:50:18,284 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 18:50:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 18:50:18,284 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 18:50:18,285 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 18:50:18,431 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 18:50:18,431 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 18:50:18,432 INFO L202 PluginConnector]: Adding new model prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 06:50:18 BoogieIcfgContainer [2021-07-14 18:50:18,433 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 18:50:18,434 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 18:50:18,434 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 18:50:18,436 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 18:50:18,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:50:18" (1/2) ... [2021-07-14 18:50:18,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36746d87 and model type prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 06:50:18, skipping insertion in model container [2021-07-14 18:50:18,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 06:50:18" (2/2) ... [2021-07-14 18:50:18,438 INFO L111 eAbstractionObserver]: Analyzing ICFG prod-cons-eq.wvr.bpl [2021-07-14 18:50:18,441 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 18:50:18,442 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 18:50:18,442 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 18:50:18,442 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 18:50:18,493 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-14 18:50:18,508 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 18:50:18,542 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 18:50:18,542 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 18:50:18,542 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 18:50:18,542 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 18:50:18,542 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 18:50:18,543 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 18:50:18,543 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 18:50:18,543 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 18:50:18,695 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:50:18,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:50:18,701 INFO L82 PathProgramCache]: Analyzing trace with hash -986892680, now seen corresponding path program 1 times [2021-07-14 18:50:18,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:50:18,706 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649237879] [2021-07-14 18:50:18,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:50:18,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:50:18,833 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-14 18:50:18,834 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:50:18,834 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649237879] [2021-07-14 18:50:18,834 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649237879] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 18:50:18,834 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 18:50:18,835 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 18:50:18,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126205903] [2021-07-14 18:50:18,838 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 18:50:18,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:50:18,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 18:50:18,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 18:50:18,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:18,849 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:50:18,851 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:50:18,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:18,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:18,926 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 18:50:18,926 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:50:18,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:50:18,928 INFO L82 PathProgramCache]: Analyzing trace with hash -347771374, now seen corresponding path program 2 times [2021-07-14 18:50:18,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:50:18,928 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586126980] [2021-07-14 18:50:18,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:50:18,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:50:18,973 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-07-14 18:50:18,973 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:50:18,973 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586126980] [2021-07-14 18:50:18,973 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586126980] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 18:50:18,973 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 18:50:18,973 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 18:50:18,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141426105] [2021-07-14 18:50:18,974 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 18:50:18,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:50:18,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 18:50:18,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 18:50:18,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:18,975 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:50:18,975 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 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) [2021-07-14 18:50:18,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:18,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:18,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:18,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:18,989 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 18:50:18,989 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:50:18,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:50:18,990 INFO L82 PathProgramCache]: Analyzing trace with hash -2031316168, now seen corresponding path program 3 times [2021-07-14 18:50:18,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:50:18,990 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019231164] [2021-07-14 18:50:18,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:50:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:50:19,020 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-14 18:50:19,020 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:50:19,021 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019231164] [2021-07-14 18:50:19,021 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019231164] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 18:50:19,021 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 18:50:19,021 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 18:50:19,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603834633] [2021-07-14 18:50:19,021 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 18:50:19,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:50:19,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 18:50:19,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-07-14 18:50:19,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:19,022 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:50:19,022 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:50:19,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:19,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:19,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:19,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:19,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:19,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:50:19,052 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 18:50:19,053 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:50:19,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:50:19,053 INFO L82 PathProgramCache]: Analyzing trace with hash 1325888646, now seen corresponding path program 4 times [2021-07-14 18:50:19,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:50:19,053 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489996212] [2021-07-14 18:50:19,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:50:19,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:50:19,120 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:50:19,121 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:50:19,121 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489996212] [2021-07-14 18:50:19,121 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489996212] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:50:19,121 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806188508] [2021-07-14 18:50:19,121 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 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:50:19,166 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 18:50:19,167 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:50:19,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-14 18:50:19,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:50:19,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 18:50:19,304 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 18:50:19,305 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 18:50:19,306 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 18:50:19,306 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2021-07-14 18:50:19,327 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 19 treesize of output 15 [2021-07-14 18:50:19,332 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 18:50:19,340 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 18:50:19,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-07-14 18:50:19,344 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 18:50:19,346 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 18:50:19,346 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-14 18:50:19,346 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:19, output treesize:3 [2021-07-14 18:50:19,380 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:50:19,380 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806188508] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:50:19,381 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:50:19,381 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2021-07-14 18:50:19,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154662821] [2021-07-14 18:50:19,381 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 18:50:19,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:50:19,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 18:50:19,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-14 18:50:19,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:19,382 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:50:19,382 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:50:19,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:19,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:19,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:50:19,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:19,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:19,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:19,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:50:19,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:50:19,672 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:50:19,673 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:50:19,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:50:19,673 INFO L82 PathProgramCache]: Analyzing trace with hash -738852032, now seen corresponding path program 5 times [2021-07-14 18:50:19,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:50:19,673 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948498058] [2021-07-14 18:50:19,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:50:19,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:50:19,720 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-07-14 18:50:19,721 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:50:19,721 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948498058] [2021-07-14 18:50:19,721 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948498058] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 18:50:19,721 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 18:50:19,721 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-14 18:50:19,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938205888] [2021-07-14 18:50:19,721 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 18:50:19,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:50:19,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 18:50:19,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-07-14 18:50:19,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:19,722 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:50:19,722 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:50:19,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:19,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:19,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:50:19,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:50:19,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:19,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:19,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:19,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:50:19,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:50:19,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:50:19,760 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-14 18:50:19,760 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:50:19,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:50:19,761 INFO L82 PathProgramCache]: Analyzing trace with hash 955645766, now seen corresponding path program 6 times [2021-07-14 18:50:19,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:50:19,761 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77689744] [2021-07-14 18:50:19,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:50:19,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:50:19,952 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 18:50:19,952 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:50:19,952 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77689744] [2021-07-14 18:50:19,952 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77689744] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:50:19,952 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [278888373] [2021-07-14 18:50:19,952 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:50:20,004 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-14 18:50:20,004 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:50:20,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 28 conjunts are in the unsatisfiable core [2021-07-14 18:50:20,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:50:20,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-14 18:50:20,220 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 18:50:20,227 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 18:50:20,233 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-07-14 18:50:20,233 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:41, output treesize:34 [2021-07-14 18:50:20,367 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 18:50:20,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 50 [2021-07-14 18:50:20,381 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 18:50:20,396 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 18:50:20,422 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-07-14 18:50:20,422 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:49, output treesize:38 [2021-07-14 18:50:22,133 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 18:50:22,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 31 [2021-07-14 18:50:22,142 INFO L550 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-07-14 18:50:22,151 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 18:50:22,166 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 18:50:22,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-07-14 18:50:22,168 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 18:50:22,173 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 18:50:22,175 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-14 18:50:22,175 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:31, output treesize:3 [2021-07-14 18:50:22,194 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:50:22,194 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [278888373] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:50:22,194 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:50:22,195 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 17 [2021-07-14 18:50:22,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081358983] [2021-07-14 18:50:22,195 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-14 18:50:22,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:50:22,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-14 18:50:22,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=252, Unknown=2, NotChecked=0, Total=306 [2021-07-14 18:50:22,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:22,196 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:50:22,196 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 17 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:50:22,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:22,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:22,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:50:22,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:50:22,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:50:22,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:26,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:26,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:26,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:50:26,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:50:26,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:50:26,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:50:26,987 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:50:26,987 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:50:26,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:50:26,987 INFO L82 PathProgramCache]: Analyzing trace with hash -748922269, now seen corresponding path program 7 times [2021-07-14 18:50:26,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:50:26,988 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135739978] [2021-07-14 18:50:26,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:50:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:50:27,051 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 18:50:27,051 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:50:27,051 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135739978] [2021-07-14 18:50:27,051 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135739978] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:50:27,052 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2027824068] [2021-07-14 18:50:27,052 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:50:27,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:50:27,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-14 18:50:27,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:50:27,230 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 18:50:27,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 18 [2021-07-14 18:50:27,233 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 18:50:27,234 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 18:50:27,234 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 18:50:27,235 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2021-07-14 18:50:27,251 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:50:27,251 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2027824068] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:50:27,251 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:50:27,252 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 12 [2021-07-14 18:50:27,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091660051] [2021-07-14 18:50:27,252 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 18:50:27,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:50:27,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 18:50:27,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-07-14 18:50:27,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:27,254 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:50:27,255 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 12 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:50:27,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:27,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:27,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:50:27,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:50:27,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:50:27,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:50:27,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:28,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:28,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:28,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:50:28,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:50:28,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:50:28,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 18:50:28,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 18:50:28,964 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:50:28,965 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:50:28,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:50:28,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1336756663, now seen corresponding path program 8 times [2021-07-14 18:50:28,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:50:28,965 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86768182] [2021-07-14 18:50:28,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:50:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:50:29,016 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 28 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-07-14 18:50:29,017 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:50:29,017 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86768182] [2021-07-14 18:50:29,017 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86768182] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:50:29,017 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1388112132] [2021-07-14 18:50:29,017 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 [2021-07-14 18:50:29,048 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 18:50:29,048 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:50:29,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-14 18:50:29,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:50:29,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-07-14 18:50:29,096 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 18:50:29,098 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 18:50:29,098 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 18:50:29,098 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:4 [2021-07-14 18:50:29,127 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 27 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-07-14 18:50:29,127 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1388112132] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:50:29,128 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:50:29,128 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-07-14 18:50:29,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679037798] [2021-07-14 18:50:29,129 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 18:50:29,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:50:29,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 18:50:29,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-07-14 18:50:29,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:29,129 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:50:29,130 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 10 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:50:29,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:29,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:29,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:50:29,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:50:29,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:50:29,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 18:50:29,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 18:50:29,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:29,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:29,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:29,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:50:29,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:50:29,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:50:29,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 18:50:29,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 18:50:29,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 18:50:29,825 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-07-14 18:50:29,832 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 18:50:29,834 INFO L202 PluginConnector]: Adding new model prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 06:50:29 BasicIcfg [2021-07-14 18:50:29,834 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 18:50:29,834 INFO L168 Benchmark]: Toolchain (without parser) took 11672.33 ms. Allocated memory was 181.4 MB in the beginning and 218.1 MB in the end (delta: 36.7 MB). Free memory was 161.3 MB in the beginning and 118.3 MB in the end (delta: 43.0 MB). Peak memory consumption was 80.1 MB. Max. memory is 8.0 GB. [2021-07-14 18:50:29,834 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 181.4 MB. Free memory is still 162.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 18:50:29,834 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.57 ms. Allocated memory is still 181.4 MB. Free memory was 161.3 MB in the beginning and 159.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 18:50:29,834 INFO L168 Benchmark]: Boogie Preprocessor took 14.31 ms. Allocated memory is still 181.4 MB. Free memory was 159.8 MB in the beginning and 158.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 18:50:29,834 INFO L168 Benchmark]: RCFGBuilder took 233.11 ms. Allocated memory is still 181.4 MB. Free memory was 158.7 MB in the beginning and 144.6 MB in the end (delta: 14.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-07-14 18:50:29,834 INFO L168 Benchmark]: TraceAbstraction took 11399.88 ms. Allocated memory was 181.4 MB in the beginning and 218.1 MB in the end (delta: 36.7 MB). Free memory was 144.2 MB in the beginning and 118.3 MB in the end (delta: 26.0 MB). Peak memory consumption was 63.3 MB. Max. memory is 8.0 GB. [2021-07-14 18:50:29,837 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 181.4 MB. Free memory is still 162.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 20.57 ms. Allocated memory is still 181.4 MB. Free memory was 161.3 MB in the beginning and 159.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 14.31 ms. Allocated memory is still 181.4 MB. Free memory was 159.8 MB in the beginning and 158.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 233.11 ms. Allocated memory is still 181.4 MB. Free memory was 158.7 MB in the beginning and 144.6 MB in the end (delta: 14.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 11399.88 ms. Allocated memory was 181.4 MB in the beginning and 218.1 MB in the end (delta: 36.7 MB). Free memory was 144.2 MB in the beginning and 118.3 MB in the end (delta: 26.0 MB). Peak memory consumption was 63.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4703, positive: 4197, positive conditional: 3517, positive unconditional: 680, negative: 506, negative conditional: 495, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 4283, positive: 4197, positive conditional: 3517, positive unconditional: 680, negative: 86, negative conditional: 75, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 4283, positive: 3909, positive conditional: 0, positive unconditional: 3909, negative: 374, negative conditional: 0, negative unconditional: 374, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 402, positive: 395, positive conditional: 0, positive unconditional: 395, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 402, positive: 392, positive conditional: 0, positive unconditional: 392, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 9, positive conditional: 6, positive unconditional: 3, negative: 37, negative conditional: 30, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 176, positive: 35, positive conditional: 20, positive unconditional: 15, negative: 141, negative conditional: 82, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4283, positive: 3514, positive conditional: 0, positive unconditional: 3514, negative: 367, negative conditional: 0, negative unconditional: 367, unknown: 402, unknown conditional: 0, unknown unconditional: 402] , Statistics on independence cache: Total cache size (in pairs): 438, Positive cache size: 401, Positive conditional cache size: 6, Positive unconditional cache size: 395, Negative cache size: 37, Negative conditional cache size: 30, Negative unconditional cache size: 7, SemanticConditionEliminator.Independence Queries: [ total: 1109, positive: 288, positive conditional: 288, positive unconditional: 0, negative: 821, negative conditional: 292, negative unconditional: 529, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1109, positive: 288, positive conditional: 288, positive unconditional: 0, negative: 821, negative conditional: 292, negative unconditional: 529, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 9, positive conditional: 6, positive unconditional: 3, negative: 37, negative conditional: 30, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 176, positive: 35, positive conditional: 20, positive unconditional: 15, negative: 141, negative conditional: 82, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1109, positive: 282, positive conditional: 282, positive unconditional: 0, negative: 791, negative conditional: 262, negative unconditional: 529, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 438, Positive cache size: 401, Positive conditional cache size: 6, Positive unconditional cache size: 395, Negative cache size: 37, Negative conditional cache size: 30, Negative unconditional cache size: 7, Eliminated conditions: 529, SemanticConditionEliminator.Independence Queries: [ total: 1109, positive: 288, positive conditional: 288, positive unconditional: 0, negative: 821, negative conditional: 292, negative unconditional: 529, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1109, positive: 288, positive conditional: 288, positive unconditional: 0, negative: 821, negative conditional: 292, negative unconditional: 529, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 9, positive conditional: 6, positive unconditional: 3, negative: 37, negative conditional: 30, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 176, positive: 35, positive conditional: 20, positive unconditional: 15, negative: 141, negative conditional: 82, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1109, positive: 282, positive conditional: 282, positive unconditional: 0, negative: 791, negative conditional: 262, negative unconditional: 529, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 438, Positive cache size: 401, Positive conditional cache size: 6, Positive unconditional cache size: 395, Negative cache size: 37, Negative conditional cache size: 30, Negative unconditional cache size: 7, Eliminated conditions: 529, SemanticConditionEliminator.Independence Queries: [ total: 1109, positive: 288, positive conditional: 288, positive unconditional: 0, negative: 821, negative conditional: 292, negative unconditional: 529, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1109, positive: 288, positive conditional: 288, positive unconditional: 0, negative: 821, negative conditional: 292, negative unconditional: 529, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 9, positive conditional: 6, positive unconditional: 3, negative: 37, negative conditional: 30, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 176, positive: 35, positive conditional: 20, positive unconditional: 15, negative: 141, negative conditional: 82, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1109, positive: 282, positive conditional: 282, positive unconditional: 0, negative: 791, negative conditional: 262, negative unconditional: 529, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 438, Positive cache size: 401, Positive conditional cache size: 6, Positive unconditional cache size: 395, Negative cache size: 37, Negative conditional cache size: 30, Negative unconditional cache size: 7, Eliminated conditions: 529, SemanticConditionEliminator.Independence Queries: [ total: 1109, positive: 288, positive conditional: 288, positive unconditional: 0, negative: 821, negative conditional: 292, negative unconditional: 529, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1109, positive: 288, positive conditional: 288, positive unconditional: 0, negative: 821, negative conditional: 292, negative unconditional: 529, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 9, positive conditional: 6, positive unconditional: 3, negative: 37, negative conditional: 30, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 176, positive: 35, positive conditional: 20, positive unconditional: 15, negative: 141, negative conditional: 82, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1109, positive: 282, positive conditional: 282, positive unconditional: 0, negative: 791, negative conditional: 262, negative unconditional: 529, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 438, Positive cache size: 401, Positive conditional cache size: 6, Positive unconditional cache size: 395, Negative cache size: 37, Negative conditional cache size: 30, Negative unconditional cache size: 7, Eliminated conditions: 529, SemanticConditionEliminator.Independence Queries: [ total: 1109, positive: 288, positive conditional: 288, positive unconditional: 0, negative: 821, negative conditional: 292, negative unconditional: 529, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1109, positive: 288, positive conditional: 288, positive unconditional: 0, negative: 821, negative conditional: 292, negative unconditional: 529, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 9, positive conditional: 6, positive unconditional: 3, negative: 37, negative conditional: 30, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 176, positive: 35, positive conditional: 20, positive unconditional: 15, negative: 141, negative conditional: 82, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1109, positive: 282, positive conditional: 282, positive unconditional: 0, negative: 791, negative conditional: 262, negative unconditional: 529, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 438, Positive cache size: 401, Positive conditional cache size: 6, Positive unconditional cache size: 395, Negative cache size: 37, Negative conditional cache size: 30, Negative unconditional cache size: 7, Eliminated conditions: 529, SemanticConditionEliminator.Independence Queries: [ total: 1109, positive: 288, positive conditional: 288, positive unconditional: 0, negative: 821, negative conditional: 292, negative unconditional: 529, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1109, positive: 288, positive conditional: 288, positive unconditional: 0, negative: 821, negative conditional: 292, negative unconditional: 529, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 9, positive conditional: 6, positive unconditional: 3, negative: 37, negative conditional: 30, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 176, positive: 35, positive conditional: 20, positive unconditional: 15, negative: 141, negative conditional: 82, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1109, positive: 282, positive conditional: 282, positive unconditional: 0, negative: 791, negative conditional: 262, negative unconditional: 529, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 438, Positive cache size: 401, Positive conditional cache size: 6, Positive unconditional cache size: 395, Negative cache size: 37, Negative conditional cache size: 30, Negative unconditional cache size: 7, Eliminated conditions: 529, SemanticConditionEliminator.Independence Queries: [ total: 1109, positive: 288, positive conditional: 288, positive unconditional: 0, negative: 821, negative conditional: 292, negative unconditional: 529, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1109, positive: 288, positive conditional: 288, positive unconditional: 0, negative: 821, negative conditional: 292, negative unconditional: 529, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 9, positive conditional: 6, positive unconditional: 3, negative: 37, negative conditional: 30, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 176, positive: 35, positive conditional: 20, positive unconditional: 15, negative: 141, negative conditional: 82, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1109, positive: 282, positive conditional: 282, positive unconditional: 0, negative: 791, negative conditional: 262, negative unconditional: 529, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 438, Positive cache size: 401, Positive conditional cache size: 6, Positive unconditional cache size: 395, Negative cache size: 37, Negative conditional cache size: 30, Negative unconditional cache size: 7, Eliminated conditions: 529, SemanticConditionEliminator.Independence Queries: [ total: 1109, positive: 288, positive conditional: 288, positive unconditional: 0, negative: 821, negative conditional: 292, negative unconditional: 529, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1109, positive: 288, positive conditional: 288, positive unconditional: 0, negative: 821, negative conditional: 292, negative unconditional: 529, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 9, positive conditional: 6, positive unconditional: 3, negative: 37, negative conditional: 30, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 176, positive: 35, positive conditional: 20, positive unconditional: 15, negative: 141, negative conditional: 82, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1109, positive: 282, positive conditional: 282, positive unconditional: 0, negative: 791, negative conditional: 262, negative unconditional: 529, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 438, Positive cache size: 401, Positive conditional cache size: 6, Positive unconditional cache size: 395, Negative cache size: 37, Negative conditional cache size: 30, Negative unconditional cache size: 7, Eliminated conditions: 529 ], Maximal queried relation: 8, Independence queries for same thread: 420 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 119, Number of persistent set computation: 98, Number of trivial persistent sets: 41, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4703, positive: 4197, positive conditional: 3517, positive unconditional: 680, negative: 506, negative conditional: 495, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 4283, positive: 4197, positive conditional: 3517, positive unconditional: 680, negative: 86, negative conditional: 75, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 4283, positive: 3909, positive conditional: 0, positive unconditional: 3909, negative: 374, negative conditional: 0, negative unconditional: 374, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 402, positive: 395, positive conditional: 0, positive unconditional: 395, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 402, positive: 392, positive conditional: 0, positive unconditional: 392, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 9, positive conditional: 6, positive unconditional: 3, negative: 37, negative conditional: 30, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 176, positive: 35, positive conditional: 20, positive unconditional: 15, negative: 141, negative conditional: 82, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4283, positive: 3514, positive conditional: 0, positive unconditional: 3514, negative: 367, negative conditional: 0, negative unconditional: 367, unknown: 402, unknown conditional: 0, unknown unconditional: 402] , Statistics on independence cache: Total cache size (in pairs): 438, Positive cache size: 401, Positive conditional cache size: 6, Positive unconditional cache size: 395, Negative cache size: 37, Negative conditional cache size: 30, Negative unconditional cache size: 7, SemanticConditionEliminator.Independence Queries: [ total: 1109, positive: 288, positive conditional: 288, positive unconditional: 0, negative: 821, negative conditional: 292, negative unconditional: 529, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1109, positive: 288, positive conditional: 288, positive unconditional: 0, negative: 821, negative conditional: 292, negative unconditional: 529, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 9, positive conditional: 6, positive unconditional: 3, negative: 37, negative conditional: 30, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 176, positive: 35, positive conditional: 20, positive unconditional: 15, negative: 141, negative conditional: 82, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1109, positive: 282, positive conditional: 282, positive unconditional: 0, negative: 791, negative conditional: 262, negative unconditional: 529, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 438, Positive cache size: 401, Positive conditional cache size: 6, Positive unconditional cache size: 395, Negative cache size: 37, Negative conditional cache size: 30, Negative unconditional cache size: 7, Eliminated conditions: 529, SemanticConditionEliminator.Independence Queries: [ total: 1109, positive: 288, positive conditional: 288, positive unconditional: 0, negative: 821, negative conditional: 292, negative unconditional: 529, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1109, positive: 288, positive conditional: 288, positive unconditional: 0, negative: 821, negative conditional: 292, negative unconditional: 529, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 9, positive conditional: 6, positive unconditional: 3, negative: 37, negative conditional: 30, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 176, positive: 35, positive conditional: 20, positive unconditional: 15, negative: 141, negative conditional: 82, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1109, positive: 282, positive conditional: 282, positive unconditional: 0, negative: 791, negative conditional: 262, negative unconditional: 529, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 438, Positive cache size: 401, Positive conditional cache size: 6, Positive unconditional cache size: 395, Negative cache size: 37, Negative conditional cache size: 30, Negative unconditional cache size: 7, Eliminated conditions: 529, SemanticConditionEliminator.Independence Queries: [ total: 1109, positive: 288, positive conditional: 288, positive unconditional: 0, negative: 821, negative conditional: 292, negative unconditional: 529, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1109, positive: 288, positive conditional: 288, positive unconditional: 0, negative: 821, negative conditional: 292, negative unconditional: 529, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 9, positive conditional: 6, positive unconditional: 3, negative: 37, negative conditional: 30, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 176, positive: 35, positive conditional: 20, positive unconditional: 15, negative: 141, negative conditional: 82, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1109, positive: 282, positive conditional: 282, positive unconditional: 0, negative: 791, negative conditional: 262, negative unconditional: 529, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 438, Positive cache size: 401, Positive conditional cache size: 6, Positive unconditional cache size: 395, Negative cache size: 37, Negative conditional cache size: 30, Negative unconditional cache size: 7, Eliminated conditions: 529, SemanticConditionEliminator.Independence Queries: [ total: 1109, positive: 288, positive conditional: 288, positive unconditional: 0, negative: 821, negative conditional: 292, negative unconditional: 529, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1109, positive: 288, positive conditional: 288, positive unconditional: 0, negative: 821, negative conditional: 292, negative unconditional: 529, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 9, positive conditional: 6, positive unconditional: 3, negative: 37, negative conditional: 30, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 176, positive: 35, positive conditional: 20, positive unconditional: 15, negative: 141, negative conditional: 82, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1109, positive: 282, positive conditional: 282, positive unconditional: 0, negative: 791, negative conditional: 262, negative unconditional: 529, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 438, Positive cache size: 401, Positive conditional cache size: 6, Positive unconditional cache size: 395, Negative cache size: 37, Negative conditional cache size: 30, Negative unconditional cache size: 7, Eliminated conditions: 529, SemanticConditionEliminator.Independence Queries: [ total: 1109, positive: 288, positive conditional: 288, positive unconditional: 0, negative: 821, negative conditional: 292, negative unconditional: 529, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1109, positive: 288, positive conditional: 288, positive unconditional: 0, negative: 821, negative conditional: 292, negative unconditional: 529, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 9, positive conditional: 6, positive unconditional: 3, negative: 37, negative conditional: 30, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 176, positive: 35, positive conditional: 20, positive unconditional: 15, negative: 141, negative conditional: 82, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1109, positive: 282, positive conditional: 282, positive unconditional: 0, negative: 791, negative conditional: 262, negative unconditional: 529, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 438, Positive cache size: 401, Positive conditional cache size: 6, Positive unconditional cache size: 395, Negative cache size: 37, Negative conditional cache size: 30, Negative unconditional cache size: 7, Eliminated conditions: 529, SemanticConditionEliminator.Independence Queries: [ total: 1109, positive: 288, positive conditional: 288, positive unconditional: 0, negative: 821, negative conditional: 292, negative unconditional: 529, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1109, positive: 288, positive conditional: 288, positive unconditional: 0, negative: 821, negative conditional: 292, negative unconditional: 529, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 9, positive conditional: 6, positive unconditional: 3, negative: 37, negative conditional: 30, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 176, positive: 35, positive conditional: 20, positive unconditional: 15, negative: 141, negative conditional: 82, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1109, positive: 282, positive conditional: 282, positive unconditional: 0, negative: 791, negative conditional: 262, negative unconditional: 529, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 438, Positive cache size: 401, Positive conditional cache size: 6, Positive unconditional cache size: 395, Negative cache size: 37, Negative conditional cache size: 30, Negative unconditional cache size: 7, Eliminated conditions: 529, SemanticConditionEliminator.Independence Queries: [ total: 1109, positive: 288, positive conditional: 288, positive unconditional: 0, negative: 821, negative conditional: 292, negative unconditional: 529, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1109, positive: 288, positive conditional: 288, positive unconditional: 0, negative: 821, negative conditional: 292, negative unconditional: 529, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 9, positive conditional: 6, positive unconditional: 3, negative: 37, negative conditional: 30, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 176, positive: 35, positive conditional: 20, positive unconditional: 15, negative: 141, negative conditional: 82, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1109, positive: 282, positive conditional: 282, positive unconditional: 0, negative: 791, negative conditional: 262, negative unconditional: 529, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 438, Positive cache size: 401, Positive conditional cache size: 6, Positive unconditional cache size: 395, Negative cache size: 37, Negative conditional cache size: 30, Negative unconditional cache size: 7, Eliminated conditions: 529, SemanticConditionEliminator.Independence Queries: [ total: 1109, positive: 288, positive conditional: 288, positive unconditional: 0, negative: 821, negative conditional: 292, negative unconditional: 529, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1109, positive: 288, positive conditional: 288, positive unconditional: 0, negative: 821, negative conditional: 292, negative unconditional: 529, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 9, positive conditional: 6, positive unconditional: 3, negative: 37, negative conditional: 30, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 176, positive: 35, positive conditional: 20, positive unconditional: 15, negative: 141, negative conditional: 82, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1109, positive: 282, positive conditional: 282, positive unconditional: 0, negative: 791, negative conditional: 262, negative unconditional: 529, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 438, Positive cache size: 401, Positive conditional cache size: 6, Positive unconditional cache size: 395, Negative cache size: 37, Negative conditional cache size: 30, Negative unconditional cache size: 7, Eliminated conditions: 529 ], Maximal queried relation: 8, Independence queries for same thread: 420 - PositiveResult [Line: 70]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 47 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11313.0ms, OverallIterations: 8, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.4ms, PartialOrderReductionTime: 6930.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 91, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 39.8ms SsaConstructionTime, 136.0ms SatisfiabilityAnalysisTime, 3112.0ms InterpolantComputationTime, 460 NumberOfCodeBlocks, 460 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 448 ConstructedInterpolants, 25 QuantifiedInterpolants, 2194 SizeOfPredicates, 22 NumberOfNonLiveVariables, 358 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 12 InterpolantComputations, 4 PerfectInterpolantSequences, 280/350 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...