/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-bad/buffer-mult-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 19:02:13,261 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 19:02:13,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 19:02:13,287 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 19:02:13,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 19:02:13,296 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 19:02:13,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 19:02:13,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 19:02:13,299 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 19:02:13,300 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 19:02:13,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 19:02:13,303 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 19:02:13,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 19:02:13,305 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 19:02:13,306 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 19:02:13,306 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 19:02:13,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-14 19:02:13,315 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 19:02:13,316 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 19:02:13,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 19:02:13,323 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 19:02:13,352 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 19:02:13,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 19:02:13,352 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 19:02:13,353 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 19:02:13,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 19:02:13,354 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 19:02:13,354 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 19:02:13,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 19:02:13,354 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 19:02:13,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 19:02:13,355 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 19:02:13,355 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 19:02:13,355 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 19:02:13,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 19:02:13,355 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 19:02:13,356 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 19:02:13,356 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 19:02:13,356 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 19:02:13,356 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 19:02:13,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 19:02:13,359 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 19:02:13,360 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 19:02:13,360 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 19:02:13,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 19:02:13,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 19:02:13,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 19:02:13,361 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 19:02:13,361 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 19:02:13,362 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 19:02:13,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 19:02:13,384 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 19:02:13,384 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 19:02:13,384 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 19:02:13,385 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 19:02:13,385 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 19:02:13,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 19:02:13,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 19:02:13,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 19:02:13,731 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 19:02:13,732 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 19:02:13,733 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/buffer-mult-alt.wvr.bpl [2021-07-14 19:02:13,733 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/buffer-mult-alt.wvr.bpl' [2021-07-14 19:02:13,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 19:02:13,766 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 19:02:13,767 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 19:02:13,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 19:02:13,767 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 19:02:13,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:02:13" (1/1) ... [2021-07-14 19:02:13,785 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:02:13" (1/1) ... [2021-07-14 19:02:13,792 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 19:02:13,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 19:02:13,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 19:02:13,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 19:02:13,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:02:13" (1/1) ... [2021-07-14 19:02:13,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:02:13" (1/1) ... [2021-07-14 19:02:13,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:02:13" (1/1) ... [2021-07-14 19:02:13,803 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:02:13" (1/1) ... [2021-07-14 19:02:13,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:02:13" (1/1) ... [2021-07-14 19:02:13,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:02:13" (1/1) ... [2021-07-14 19:02:13,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:02:13" (1/1) ... [2021-07-14 19:02:13,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 19:02:13,822 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 19:02:13,822 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 19:02:13,822 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 19:02:13,823 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:02:13" (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 19:02:13,895 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 19:02:13,895 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 19:02:13,895 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 19:02:13,896 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 19:02:13,896 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 19:02:13,896 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 19:02:13,896 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 19:02:13,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 19:02:13,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 19:02:13,897 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 19:02:13,897 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 19:02:13,898 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 19:02:13,898 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-07-14 19:02:13,898 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-07-14 19:02:13,898 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-07-14 19:02:13,899 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 19:02:14,104 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 19:02:14,104 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 19:02:14,106 INFO L202 PluginConnector]: Adding new model buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 07:02:14 BoogieIcfgContainer [2021-07-14 19:02:14,106 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 19:02:14,108 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 19:02:14,108 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 19:02:14,110 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 19:02:14,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:02:13" (1/2) ... [2021-07-14 19:02:14,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66594ad2 and model type buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 07:02:14, skipping insertion in model container [2021-07-14 19:02:14,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 07:02:14" (2/2) ... [2021-07-14 19:02:14,112 INFO L111 eAbstractionObserver]: Analyzing ICFG buffer-mult-alt.wvr.bpl [2021-07-14 19:02:14,117 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 19:02:14,117 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 19:02:14,117 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 19:02:14,117 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 19:02:14,200 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-07-14 19:02:14,237 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 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 19:02:14,290 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 19:02:14,291 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 19:02:14,291 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 19:02:14,291 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 19:02:14,291 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 19:02:14,291 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 19:02:14,291 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 19:02:14,291 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 19:02:14,528 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:02:14,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:02:14,533 INFO L82 PathProgramCache]: Analyzing trace with hash 747871516, now seen corresponding path program 1 times [2021-07-14 19:02:14,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:02:14,540 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667167881] [2021-07-14 19:02:14,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:02:14,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:02:14,723 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-07-14 19:02:14,723 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:02:14,724 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667167881] [2021-07-14 19:02:14,724 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667167881] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 19:02:14,724 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 19:02:14,725 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 19:02:14,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898486666] [2021-07-14 19:02:14,729 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 19:02:14,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:02:14,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 19:02:14,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 19:02:14,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:02:14,742 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:02:14,743 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:02:14,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:02:14,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:02:14,815 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 19:02:14,815 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:02:14,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:02:14,816 INFO L82 PathProgramCache]: Analyzing trace with hash 1626485958, now seen corresponding path program 2 times [2021-07-14 19:02:14,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:02:14,816 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126714026] [2021-07-14 19:02:14,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:02:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:02:14,868 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-07-14 19:02:14,869 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:02:14,869 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126714026] [2021-07-14 19:02:14,869 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126714026] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 19:02:14,869 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 19:02:14,869 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 19:02:14,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479542906] [2021-07-14 19:02:14,871 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 19:02:14,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:02:14,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 19:02:14,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 19:02:14,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:02:14,872 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:02:14,872 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 19:02:14,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:02:14,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:02:14,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:02:14,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:02:14,922 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 19:02:14,922 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:02:14,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:02:14,922 INFO L82 PathProgramCache]: Analyzing trace with hash -852720452, now seen corresponding path program 3 times [2021-07-14 19:02:14,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:02:14,923 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351470310] [2021-07-14 19:02:14,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:02:14,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:02:15,005 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 46 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-07-14 19:02:15,006 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:02:15,006 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351470310] [2021-07-14 19:02:15,006 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351470310] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:02:15,006 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686594383] [2021-07-14 19:02:15,008 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 19:02:15,080 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-14 19:02:15,080 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:02:15,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 19:02:15,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:02:15,231 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 46 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-07-14 19:02:15,231 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1686594383] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:02:15,232 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:02:15,232 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 4 [2021-07-14 19:02:15,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367849069] [2021-07-14 19:02:15,232 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 19:02:15,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:02:15,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 19:02:15,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-07-14 19:02:15,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:02:15,233 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:02:15,234 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 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 19:02:15,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:02:15,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:02:15,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:02:15,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:02:15,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:02:15,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 19:02:15,500 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:02:15,501 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:02:15,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:02:15,501 INFO L82 PathProgramCache]: Analyzing trace with hash -217413392, now seen corresponding path program 4 times [2021-07-14 19:02:15,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:02:15,502 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701022088] [2021-07-14 19:02:15,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:02:15,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:02:15,562 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-07-14 19:02:15,562 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:02:15,562 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701022088] [2021-07-14 19:02:15,562 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701022088] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 19:02:15,562 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 19:02:15,562 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-14 19:02:15,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245128592] [2021-07-14 19:02:15,563 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 19:02:15,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:02:15,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 19:02:15,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-07-14 19:02:15,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:02:15,564 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:02:15,564 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:02:15,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:02:15,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:02:15,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 19:02:15,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:02:15,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:02:15,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:02:15,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 19:02:15,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 19:02:15,611 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-14 19:02:15,611 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:02:15,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:02:15,612 INFO L82 PathProgramCache]: Analyzing trace with hash -160463186, now seen corresponding path program 5 times [2021-07-14 19:02:15,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:02:15,612 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186439025] [2021-07-14 19:02:15,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:02:15,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:02:16,213 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:02:16,213 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:02:16,213 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186439025] [2021-07-14 19:02:16,213 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186439025] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:02:16,213 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1587574873] [2021-07-14 19:02:16,214 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 19:02:16,285 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 19:02:16,285 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:02:16,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 42 conjunts are in the unsatisfiable core [2021-07-14 19:02:16,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:02:16,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:02:16,939 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:02:16,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 42 [2021-07-14 19:02:16,961 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-07-14 19:02:17,009 INFO L628 ElimStorePlain]: treesize reduction 22, result has 76.3 percent of original size [2021-07-14 19:02:17,035 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 19:02:17,036 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:72, output treesize:58 [2021-07-14 19:02:17,640 INFO L354 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2021-07-14 19:02:17,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 257 treesize of output 131 [2021-07-14 19:02:18,241 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 1014 DAG size of output: 934 [2021-07-14 19:02:34,418 WARN L205 SmtUtils]: Spent 15.88 s on a formula simplification. DAG size of input: 8479 DAG size of output: 8234 [2021-07-14 19:02:36,083 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 2731 DAG size of output: 2684 Received shutdown request... [2021-07-14 19:17:00,544 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:17:00,544 WARN L547 AbstractCegarLoop]: Verification canceled [2021-07-14 19:17:00,554 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 19:17:00,555 WARN L196 ceAbstractionStarter]: Timeout [2021-07-14 19:17:00,556 INFO L202 PluginConnector]: Adding new model buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 07:17:00 BasicIcfg [2021-07-14 19:17:00,556 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 19:17:00,556 INFO L168 Benchmark]: Toolchain (without parser) took 886790.72 ms. Allocated memory was 178.3 MB in the beginning and 726.7 MB in the end (delta: 548.4 MB). Free memory was 159.2 MB in the beginning and 598.6 MB in the end (delta: -439.4 MB). Peak memory consumption was 479.4 MB. Max. memory is 8.0 GB. [2021-07-14 19:17:00,556 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 178.3 MB. Free memory is still 160.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 19:17:00,557 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.03 ms. Allocated memory is still 178.3 MB. Free memory was 159.0 MB in the beginning and 157.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 19:17:00,557 INFO L168 Benchmark]: Boogie Preprocessor took 26.99 ms. Allocated memory is still 178.3 MB. Free memory was 157.5 MB in the beginning and 156.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 19:17:00,557 INFO L168 Benchmark]: RCFGBuilder took 284.24 ms. Allocated memory is still 178.3 MB. Free memory was 156.5 MB in the beginning and 141.0 MB in the end (delta: 15.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-07-14 19:17:00,557 INFO L168 Benchmark]: TraceAbstraction took 886448.26 ms. Allocated memory was 178.3 MB in the beginning and 726.7 MB in the end (delta: 548.4 MB). Free memory was 140.6 MB in the beginning and 598.6 MB in the end (delta: -458.1 MB). Peak memory consumption was 460.5 MB. Max. memory is 8.0 GB. [2021-07-14 19:17:00,558 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 178.3 MB. Free memory is still 160.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 26.03 ms. Allocated memory is still 178.3 MB. Free memory was 159.0 MB in the beginning and 157.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 26.99 ms. Allocated memory is still 178.3 MB. Free memory was 157.5 MB in the beginning and 156.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 284.24 ms. Allocated memory is still 178.3 MB. Free memory was 156.5 MB in the beginning and 141.0 MB in the end (delta: 15.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 886448.26 ms. Allocated memory was 178.3 MB in the beginning and 726.7 MB in the end (delta: 548.4 MB). Free memory was 140.6 MB in the beginning and 598.6 MB in the end (delta: -458.1 MB). Peak memory consumption was 460.5 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: 5728, positive: 5054, positive conditional: 4182, positive unconditional: 872, negative: 674, negative conditional: 660, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 5233, positive: 5054, positive conditional: 4182, positive unconditional: 872, negative: 179, negative conditional: 165, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 5233, positive: 4899, positive conditional: 0, positive unconditional: 4899, negative: 334, negative conditional: 0, negative unconditional: 334, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 581, positive: 571, positive conditional: 0, positive unconditional: 571, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 581, positive: 560, positive conditional: 0, positive unconditional: 560, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 19, positive conditional: 8, positive unconditional: 11, negative: 22, negative conditional: 12, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 154, positive: 58, positive conditional: 13, positive unconditional: 45, negative: 96, negative conditional: 21, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5233, positive: 4328, positive conditional: 0, positive unconditional: 4328, negative: 324, negative conditional: 0, negative unconditional: 324, unknown: 581, unknown conditional: 0, unknown unconditional: 581] , Statistics on independence cache: Total cache size (in pairs): 601, Positive cache size: 579, Positive conditional cache size: 8, Positive unconditional cache size: 571, Negative cache size: 22, Negative conditional cache size: 12, Negative unconditional cache size: 10, SemanticConditionEliminator.Independence Queries: [ total: 555, positive: 155, positive conditional: 155, positive unconditional: 0, negative: 400, negative conditional: 131, negative unconditional: 269, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 555, positive: 155, positive conditional: 155, positive unconditional: 0, negative: 400, negative conditional: 131, negative unconditional: 269, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 19, positive conditional: 8, positive unconditional: 11, negative: 22, negative conditional: 12, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 154, positive: 58, positive conditional: 13, positive unconditional: 45, negative: 96, negative conditional: 21, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 555, positive: 147, positive conditional: 147, positive unconditional: 0, negative: 388, negative conditional: 119, negative unconditional: 269, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 601, Positive cache size: 579, Positive conditional cache size: 8, Positive unconditional cache size: 571, Negative cache size: 22, Negative conditional cache size: 12, Negative unconditional cache size: 10, Eliminated conditions: 269, SemanticConditionEliminator.Independence Queries: [ total: 555, positive: 155, positive conditional: 155, positive unconditional: 0, negative: 400, negative conditional: 131, negative unconditional: 269, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 555, positive: 155, positive conditional: 155, positive unconditional: 0, negative: 400, negative conditional: 131, negative unconditional: 269, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 19, positive conditional: 8, positive unconditional: 11, negative: 22, negative conditional: 12, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 154, positive: 58, positive conditional: 13, positive unconditional: 45, negative: 96, negative conditional: 21, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 555, positive: 147, positive conditional: 147, positive unconditional: 0, negative: 388, negative conditional: 119, negative unconditional: 269, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 601, Positive cache size: 579, Positive conditional cache size: 8, Positive unconditional cache size: 571, Negative cache size: 22, Negative conditional cache size: 12, Negative unconditional cache size: 10, Eliminated conditions: 269, SemanticConditionEliminator.Independence Queries: [ total: 555, positive: 155, positive conditional: 155, positive unconditional: 0, negative: 400, negative conditional: 131, negative unconditional: 269, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 555, positive: 155, positive conditional: 155, positive unconditional: 0, negative: 400, negative conditional: 131, negative unconditional: 269, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 19, positive conditional: 8, positive unconditional: 11, negative: 22, negative conditional: 12, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 154, positive: 58, positive conditional: 13, positive unconditional: 45, negative: 96, negative conditional: 21, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 555, positive: 147, positive conditional: 147, positive unconditional: 0, negative: 388, negative conditional: 119, negative unconditional: 269, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 601, Positive cache size: 579, Positive conditional cache size: 8, Positive unconditional cache size: 571, Negative cache size: 22, Negative conditional cache size: 12, Negative unconditional cache size: 10, Eliminated conditions: 269, SemanticConditionEliminator.Independence Queries: [ total: 555, positive: 155, positive conditional: 155, positive unconditional: 0, negative: 400, negative conditional: 131, negative unconditional: 269, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 555, positive: 155, positive conditional: 155, positive unconditional: 0, negative: 400, negative conditional: 131, negative unconditional: 269, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 19, positive conditional: 8, positive unconditional: 11, negative: 22, negative conditional: 12, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 154, positive: 58, positive conditional: 13, positive unconditional: 45, negative: 96, negative conditional: 21, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 555, positive: 147, positive conditional: 147, positive unconditional: 0, negative: 388, negative conditional: 119, negative unconditional: 269, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 601, Positive cache size: 579, Positive conditional cache size: 8, Positive unconditional cache size: 571, Negative cache size: 22, Negative conditional cache size: 12, Negative unconditional cache size: 10, Eliminated conditions: 269 ], Maximal queried relation: 4, Independence queries for same thread: 495 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 178, Number of persistent set computation: 107, Number of trivial persistent sets: 47, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5728, positive: 5054, positive conditional: 4182, positive unconditional: 872, negative: 674, negative conditional: 660, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 5233, positive: 5054, positive conditional: 4182, positive unconditional: 872, negative: 179, negative conditional: 165, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 5233, positive: 4899, positive conditional: 0, positive unconditional: 4899, negative: 334, negative conditional: 0, negative unconditional: 334, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 581, positive: 571, positive conditional: 0, positive unconditional: 571, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 581, positive: 560, positive conditional: 0, positive unconditional: 560, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 19, positive conditional: 8, positive unconditional: 11, negative: 22, negative conditional: 12, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 154, positive: 58, positive conditional: 13, positive unconditional: 45, negative: 96, negative conditional: 21, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5233, positive: 4328, positive conditional: 0, positive unconditional: 4328, negative: 324, negative conditional: 0, negative unconditional: 324, unknown: 581, unknown conditional: 0, unknown unconditional: 581] , Statistics on independence cache: Total cache size (in pairs): 601, Positive cache size: 579, Positive conditional cache size: 8, Positive unconditional cache size: 571, Negative cache size: 22, Negative conditional cache size: 12, Negative unconditional cache size: 10, SemanticConditionEliminator.Independence Queries: [ total: 555, positive: 155, positive conditional: 155, positive unconditional: 0, negative: 400, negative conditional: 131, negative unconditional: 269, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 555, positive: 155, positive conditional: 155, positive unconditional: 0, negative: 400, negative conditional: 131, negative unconditional: 269, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 19, positive conditional: 8, positive unconditional: 11, negative: 22, negative conditional: 12, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 154, positive: 58, positive conditional: 13, positive unconditional: 45, negative: 96, negative conditional: 21, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 555, positive: 147, positive conditional: 147, positive unconditional: 0, negative: 388, negative conditional: 119, negative unconditional: 269, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 601, Positive cache size: 579, Positive conditional cache size: 8, Positive unconditional cache size: 571, Negative cache size: 22, Negative conditional cache size: 12, Negative unconditional cache size: 10, Eliminated conditions: 269, SemanticConditionEliminator.Independence Queries: [ total: 555, positive: 155, positive conditional: 155, positive unconditional: 0, negative: 400, negative conditional: 131, negative unconditional: 269, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 555, positive: 155, positive conditional: 155, positive unconditional: 0, negative: 400, negative conditional: 131, negative unconditional: 269, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 19, positive conditional: 8, positive unconditional: 11, negative: 22, negative conditional: 12, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 154, positive: 58, positive conditional: 13, positive unconditional: 45, negative: 96, negative conditional: 21, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 555, positive: 147, positive conditional: 147, positive unconditional: 0, negative: 388, negative conditional: 119, negative unconditional: 269, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 601, Positive cache size: 579, Positive conditional cache size: 8, Positive unconditional cache size: 571, Negative cache size: 22, Negative conditional cache size: 12, Negative unconditional cache size: 10, Eliminated conditions: 269, SemanticConditionEliminator.Independence Queries: [ total: 555, positive: 155, positive conditional: 155, positive unconditional: 0, negative: 400, negative conditional: 131, negative unconditional: 269, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 555, positive: 155, positive conditional: 155, positive unconditional: 0, negative: 400, negative conditional: 131, negative unconditional: 269, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 19, positive conditional: 8, positive unconditional: 11, negative: 22, negative conditional: 12, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 154, positive: 58, positive conditional: 13, positive unconditional: 45, negative: 96, negative conditional: 21, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 555, positive: 147, positive conditional: 147, positive unconditional: 0, negative: 388, negative conditional: 119, negative unconditional: 269, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 601, Positive cache size: 579, Positive conditional cache size: 8, Positive unconditional cache size: 571, Negative cache size: 22, Negative conditional cache size: 12, Negative unconditional cache size: 10, Eliminated conditions: 269, SemanticConditionEliminator.Independence Queries: [ total: 555, positive: 155, positive conditional: 155, positive unconditional: 0, negative: 400, negative conditional: 131, negative unconditional: 269, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 555, positive: 155, positive conditional: 155, positive unconditional: 0, negative: 400, negative conditional: 131, negative unconditional: 269, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 19, positive conditional: 8, positive unconditional: 11, negative: 22, negative conditional: 12, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 154, positive: 58, positive conditional: 13, positive unconditional: 45, negative: 96, negative conditional: 21, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 555, positive: 147, positive conditional: 147, positive unconditional: 0, negative: 388, negative conditional: 119, negative unconditional: 269, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 601, Positive cache size: 579, Positive conditional cache size: 8, Positive unconditional cache size: 571, Negative cache size: 22, Negative conditional cache size: 12, Negative unconditional cache size: 10, Eliminated conditions: 269 ], Maximal queried relation: 4, Independence queries for same thread: 495 - TimeoutResultAtElement [Line: 83]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 55 with TraceHistMax 5,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while ExplicitLhsPolynomialRelations was build 0 of 1 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 54 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 886297.6ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.6ms, PartialOrderReductionTime: 443.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 16, 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: 20.3ms SsaConstructionTime, 142.7ms SatisfiabilityAnalysisTime, 352.0ms InterpolantComputationTime, 272 NumberOfCodeBlocks, 272 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 267 ConstructedInterpolants, 0 QuantifiedInterpolants, 507 SizeOfPredicates, 0 NumberOfNonLiveVariables, 163 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 344/347 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown