/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/poker-hand-symm.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a865e3bea3ade1065a4c95009cfa501fe03c5538-a865e3b [2021-02-19 17:54:19,011 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 17:54:19,013 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 17:54:19,035 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-19 17:54:19,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 17:54:19,046 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 17:54:19,047 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 17:54:19,048 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 17:54:19,049 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 17:54:19,049 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 17:54:19,051 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 17:54:19,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 17:54:19,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 17:54:19,055 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 17:54:19,056 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 17:54:19,057 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 17:54:19,059 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-19 17:54:19,061 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-19 17:54:19,062 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-19 17:54:19,063 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-19 17:54:19,063 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-19 17:54:19,064 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-19 17:54:19,065 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-19 17:54:19,065 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-19 17:54:19,065 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-19 17:54:19,066 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 17:54:19,066 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 17:54:19,067 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 17:54:19,075 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-FA-NoLbe.epf [2021-02-19 17:54:19,112 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 17:54:19,112 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 17:54:19,112 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-02-19 17:54:19,113 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-02-19 17:54:19,115 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 17:54:19,115 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 17:54:19,115 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 17:54:19,116 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 17:54:19,116 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 17:54:19,116 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 17:54:19,117 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 17:54:19,117 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 17:54:19,117 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 17:54:19,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 17:54:19,117 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 17:54:19,118 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 17:54:19,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 17:54:19,118 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 17:54:19,118 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 17:54:19,118 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 17:54:19,119 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 17:54:19,119 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-19 17:54:19,119 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 17:54:19,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 17:54:19,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 17:54:19,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 17:54:19,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 17:54:19,120 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 17:54:19,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 17:54:19,120 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-02-19 17:54:19,120 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 17:54:19,121 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 17:54:19,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 17:54:19,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 17:54:19,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 17:54:19,468 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-02-19 17:54:19,469 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-02-19 17:54:19,470 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/poker-hand-symm.wvr.bpl [2021-02-19 17:54:19,471 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/poker-hand-symm.wvr.bpl' [2021-02-19 17:54:19,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 17:54:19,523 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 17:54:19,525 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-02-19 17:54:19,525 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-02-19 17:54:19,525 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-02-19 17:54:19,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "poker-hand-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 05:54:19" (1/1) ... [2021-02-19 17:54:19,561 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "poker-hand-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 05:54:19" (1/1) ... [2021-02-19 17:54:19,569 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-02-19 17:54:19,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 17:54:19,571 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 17:54:19,571 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 17:54:19,578 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "poker-hand-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 05:54:19" (1/1) ... [2021-02-19 17:54:19,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "poker-hand-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 05:54:19" (1/1) ... [2021-02-19 17:54:19,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "poker-hand-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 05:54:19" (1/1) ... [2021-02-19 17:54:19,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "poker-hand-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 05:54:19" (1/1) ... [2021-02-19 17:54:19,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "poker-hand-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 05:54:19" (1/1) ... [2021-02-19 17:54:19,605 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "poker-hand-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 05:54:19" (1/1) ... [2021-02-19 17:54:19,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "poker-hand-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 05:54:19" (1/1) ... [2021-02-19 17:54:19,608 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 17:54:19,609 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 17:54:19,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 17:54:19,609 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 17:54:19,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "poker-hand-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 05:54:19" (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 [2021-02-19 17:54:19,685 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-02-19 17:54:19,686 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-02-19 17:54:19,686 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-02-19 17:54:19,686 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-02-19 17:54:19,686 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-02-19 17:54:19,686 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-02-19 17:54:19,686 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-02-19 17:54:19,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 17:54:19,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 17:54:19,687 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-02-19 17:54:20,272 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 17:54:20,272 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-02-19 17:54:20,274 INFO L202 PluginConnector]: Adding new model poker-hand-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:54:20 BoogieIcfgContainer [2021-02-19 17:54:20,274 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 17:54:20,275 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 17:54:20,276 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 17:54:20,278 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 17:54:20,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "poker-hand-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 05:54:19" (1/2) ... [2021-02-19 17:54:20,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3daebafd and model type poker-hand-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:54:20, skipping insertion in model container [2021-02-19 17:54:20,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "poker-hand-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:54:20" (2/2) ... [2021-02-19 17:54:20,280 INFO L111 eAbstractionObserver]: Analyzing ICFG poker-hand-symm.wvr.bpl [2021-02-19 17:54:20,285 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-02-19 17:54:20,285 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 17:54:20,289 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 17:54:20,289 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-02-19 17:54:20,320 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-02-19 17:54:20,333 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-02-19 17:54:20,349 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 17:54:20,349 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 17:54:20,350 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 17:54:20,350 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 17:54:20,350 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 17:54:20,350 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 17:54:20,350 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 17:54:20,350 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 17:54:20,357 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 25 places, 26 transitions, 68 flow [2021-02-19 17:54:20,367 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 41 states, 39 states have (on average 2.871794871794872) internal successors, (112), 40 states have internal predecessors, (112), 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) [2021-02-19 17:54:20,369 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 39 states have (on average 2.871794871794872) internal successors, (112), 40 states have internal predecessors, (112), 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) [2021-02-19 17:54:20,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-02-19 17:54:20,374 INFO L498 BasicCegarLoop]: Found error trace [2021-02-19 17:54:20,375 INFO L506 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:54:20,375 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 17:54:20,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:54:20,385 INFO L82 PathProgramCache]: Analyzing trace with hash 318917483, now seen corresponding path program 1 times [2021-02-19 17:54:20,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:54:20,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448421074] [2021-02-19 17:54:20,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:54:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-19 17:54:20,500 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-19 17:54:20,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-19 17:54:20,556 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-19 17:54:20,577 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-02-19 17:54:20,577 INFO L607 BasicCegarLoop]: Counterexample might be feasible [2021-02-19 17:54:20,578 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 17:54:20,590 INFO L202 PluginConnector]: Adding new model poker-hand-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 05:54:20 BasicIcfg [2021-02-19 17:54:20,590 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 17:54:20,594 INFO L168 Benchmark]: Toolchain (without parser) took 1072.00 ms. Allocated memory was 255.9 MB in the beginning and 369.1 MB in the end (delta: 113.2 MB). Free memory was 235.0 MB in the beginning and 345.3 MB in the end (delta: -110.2 MB). Peak memory consumption was 1.8 MB. Max. memory is 16.0 GB. [2021-02-19 17:54:20,595 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory was 237.1 MB in the beginning and 237.0 MB in the end (delta: 164.5 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-02-19 17:54:20,596 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.26 ms. Allocated memory is still 255.9 MB. Free memory was 234.5 MB in the beginning and 232.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-02-19 17:54:20,597 INFO L168 Benchmark]: Boogie Preprocessor took 37.87 ms. Allocated memory is still 255.9 MB. Free memory was 232.8 MB in the beginning and 231.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-02-19 17:54:20,598 INFO L168 Benchmark]: RCFGBuilder took 665.18 ms. Allocated memory is still 255.9 MB. Free memory was 231.2 MB in the beginning and 195.5 MB in the end (delta: 35.7 MB). Peak memory consumption was 42.4 MB. Max. memory is 16.0 GB. [2021-02-19 17:54:20,599 INFO L168 Benchmark]: TraceAbstraction took 314.73 ms. Allocated memory was 255.9 MB in the beginning and 369.1 MB in the end (delta: 113.2 MB). Free memory was 195.4 MB in the beginning and 345.3 MB in the end (delta: -149.9 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-02-19 17:54:20,606 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 0.11 ms. Allocated memory is still 255.9 MB. Free memory was 237.1 MB in the beginning and 237.0 MB in the end (delta: 164.5 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 44.26 ms. Allocated memory is still 255.9 MB. Free memory was 234.5 MB in the beginning and 232.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 37.87 ms. Allocated memory is still 255.9 MB. Free memory was 232.8 MB in the beginning and 231.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 665.18 ms. Allocated memory is still 255.9 MB. Free memory was 231.2 MB in the beginning and 195.5 MB in the end (delta: 35.7 MB). Peak memory consumption was 42.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 314.73 ms. Allocated memory was 255.9 MB in the beginning and 369.1 MB in the end (delta: 113.2 MB). Free memory was 195.4 MB in the beginning and 345.3 MB in the end (delta: -149.9 MB). There was no memory consumed. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 203]: assertion can be violated assertion can be violated We found a FailurePath: [L198] FORK 0 fork 1 thread1(); [L51] 1 assume (index_of_0[4] != 0 - 1 || index_of_4[4] != 0 - 1) && !(index_of_0[4] == index_of_4[4]); [L52] 1 result_8 := index_of_0[4] - index_of_4[4]; VAL [result_8=6] [L199] FORK 0 fork 2, 2 thread2(); VAL [result_8=6] [L200] JOIN 1 join 1; VAL [result_13=0, result_8=6] [L201] JOIN 2 join 2, 2; VAL [result_13=0, result_8=6] [L202] 0 assume !((if result_8 < 0 then -1 else (if result_8 > 0 then 1 else 0)) == 0 - (if result_13 < 0 then -1 else (if result_13 > 0 then 1 else 0))); VAL [result_13=0, result_8=6] [L203] 0 assert false; VAL [result_13=0, result_8=6] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 proved your program to be incorrect! Received shutdown request...