/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-FA-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/regression/ThyssenKruppRelegation.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 16:32:59,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 16:32:59,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 16:32:59,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-16 16:32:59,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-16 16:32:59,552 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-16 16:32:59,554 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-16 16:32:59,559 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-16 16:32:59,560 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-16 16:32:59,564 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-16 16:32:59,565 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-16 16:32:59,566 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-16 16:32:59,567 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-16 16:32:59,568 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-16 16:32:59,570 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-16 16:32:59,571 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-16 16:32:59,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-16 16:32:59,575 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-16 16:32:59,577 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-16 16:32:59,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-16 16:32:59,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-16 16:32:59,586 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-16 16:32:59,587 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-16 16:32:59,589 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-16 16:32:59,595 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-16 16:32:59,610 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-Delay.epf [2021-06-16 16:32:59,641 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 16:32:59,641 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 16:32:59,643 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 16:32:59,644 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 16:32:59,644 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 16:32:59,644 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 16:32:59,644 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 16:32:59,644 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 16:32:59,644 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 16:32:59,645 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 16:32:59,645 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 16:32:59,646 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 16:32:59,646 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 16:32:59,646 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 16:32:59,646 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 16:32:59,646 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 16:32:59,646 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 16:32:59,646 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 16:32:59,647 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 16:32:59,647 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 16:32:59,647 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 16:32:59,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 16:32:59,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 16:32:59,647 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 16:32:59,648 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 16:32:59,648 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 16:32:59,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 16:32:59,648 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 16:32:59,648 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 16:32:59,648 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-16 16:32:59,648 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 16:32:59,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 16:32:59,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 16:32:59,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 16:32:59,958 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-16 16:32:59,959 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-16 16:32:59,960 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/ThyssenKruppRelegation.bpl [2021-06-16 16:32:59,960 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/ThyssenKruppRelegation.bpl' [2021-06-16 16:32:59,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 16:32:59,982 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-16 16:32:59,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 16:32:59,985 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 16:32:59,985 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 16:32:59,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 04:32:59" (1/1) ... [2021-06-16 16:33:00,001 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 04:32:59" (1/1) ... [2021-06-16 16:33:00,009 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 16:33:00,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 16:33:00,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 16:33:00,011 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 16:33:00,017 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 04:32:59" (1/1) ... [2021-06-16 16:33:00,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 04:32:59" (1/1) ... [2021-06-16 16:33:00,018 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 04:32:59" (1/1) ... [2021-06-16 16:33:00,019 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 04:32:59" (1/1) ... [2021-06-16 16:33:00,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 04:32:59" (1/1) ... [2021-06-16 16:33:00,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 04:32:59" (1/1) ... [2021-06-16 16:33:00,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 04:32:59" (1/1) ... [2021-06-16 16:33:00,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 16:33:00,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 16:33:00,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 16:33:00,024 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 16:33:00,025 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 04:32:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 16:33:00,099 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2021-06-16 16:33:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-06-16 16:33:00,101 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-06-16 16:33:00,101 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-16 16:33:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 16:33:00,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 16:33:00,102 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-16 16:33:00,178 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 16:33:00,178 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-16 16:33:00,180 INFO L202 PluginConnector]: Adding new model ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 04:33:00 BoogieIcfgContainer [2021-06-16 16:33:00,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 16:33:00,183 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 16:33:00,183 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 16:33:00,186 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 16:33:00,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 04:32:59" (1/2) ... [2021-06-16 16:33:00,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24180d11 and model type ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 04:33:00, skipping insertion in model container [2021-06-16 16:33:00,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 04:33:00" (2/2) ... [2021-06-16 16:33:00,188 INFO L111 eAbstractionObserver]: Analyzing ICFG ThyssenKruppRelegation.bpl [2021-06-16 16:33:00,201 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 16:33:00,201 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 16:33:00,202 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-16 16:33:00,203 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 16:33:00,241 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-06-16 16:33:00,263 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-06-16 16:33:00,293 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 16:33:00,293 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 16:33:00,293 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 16:33:00,293 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 16:33:00,293 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 16:33:00,294 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 16:33:00,294 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 16:33:00,294 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 16:33:00,363 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 16:33:00,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-06-16 16:33:00,368 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 16:33:00,369 INFO L472 BasicCegarLoop]: trace histogram [1, 1] [2021-06-16 16:33:00,369 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 16:33:00,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 16:33:00,378 INFO L82 PathProgramCache]: Analyzing trace with hash 1401, now seen corresponding path program 1 times [2021-06-16 16:33:00,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 16:33:00,385 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54671247] [2021-06-16 16:33:00,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 16:33:00,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-16 16:33:00,445 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-16 16:33:00,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-16 16:33:00,454 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-16 16:33:00,467 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-16 16:33:00,468 INFO L573 BasicCegarLoop]: Counterexample might be feasible [2021-06-16 16:33:00,468 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-16 16:33:00,471 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-16 16:33:00,483 INFO L202 PluginConnector]: Adding new model ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.06 04:33:00 BasicIcfg [2021-06-16 16:33:00,483 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-16 16:33:00,486 INFO L168 Benchmark]: Toolchain (without parser) took 501.70 ms. Allocated memory is still 200.3 MB. Free memory was 179.6 MB in the beginning and 155.9 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2021-06-16 16:33:00,486 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 200.3 MB. Free memory is still 180.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 16:33:00,488 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.57 ms. Allocated memory is still 200.3 MB. Free memory was 179.6 MB in the beginning and 178.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-16 16:33:00,489 INFO L168 Benchmark]: Boogie Preprocessor took 12.72 ms. Allocated memory is still 200.3 MB. Free memory was 178.1 MB in the beginning and 177.3 MB in the end (delta: 823.8 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-16 16:33:00,490 INFO L168 Benchmark]: RCFGBuilder took 156.19 ms. Allocated memory is still 200.3 MB. Free memory was 177.2 MB in the beginning and 170.0 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2021-06-16 16:33:00,490 INFO L168 Benchmark]: TraceAbstraction took 300.17 ms. Allocated memory is still 200.3 MB. Free memory was 169.5 MB in the beginning and 155.9 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-06-16 16:33:00,497 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 0.17 ms. Allocated memory is still 200.3 MB. Free memory is still 180.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 24.57 ms. Allocated memory is still 200.3 MB. Free memory was 179.6 MB in the beginning and 178.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.72 ms. Allocated memory is still 200.3 MB. Free memory was 178.1 MB in the beginning and 177.3 MB in the end (delta: 823.8 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 156.19 ms. Allocated memory is still 200.3 MB. Free memory was 177.2 MB in the beginning and 170.0 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 300.17 ms. Allocated memory is still 200.3 MB. Free memory was 169.5 MB in the beginning and 155.9 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.6 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: 3, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 2, Positive cache size: 2, Positive conditional cache size: 0, Positive unconditional cache size: 2, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 1 - CounterExampleResult [Line: 16]: assertion can be violated assertion can be violated We found a FailurePath: [L15] FORK 0 fork 1 foo(); [L16] 0 assert false; - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 11 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 178.3ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 7.7ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 66.2ms, PartialOrderReductionTime: 51.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 0, 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: 3.1ms SsaConstructionTime, 10.5ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 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...