/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy10.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 17:53:51,353 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 17:53:51,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 17:53:51,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-06 17:53:51,385 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-06 17:53:51,388 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-06 17:53:51,390 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-06 17:53:51,397 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-06 17:53:51,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-06 17:53:51,402 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-06 17:53:51,403 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-06 17:53:51,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-06 17:53:51,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 17:53:51,406 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 17:53:51,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 17:53:51,409 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 17:53:51,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 17:53:51,413 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 17:53:51,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 17:53:51,420 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 17:53:51,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 17:53:51,423 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 17:53:51,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 17:53:51,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 17:53:51,431 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-06 17:53:51,431 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-06 17:53:51,431 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-06 17:53:51,432 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-06 17:53:51,432 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-06 17:53:51,434 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-06 17:53:51,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-06 17:53:51,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-06 17:53:51,436 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-06 17:53:51,437 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-06 17:53:51,438 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-06 17:53:51,438 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-06 17:53:51,438 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-06 17:53:51,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-06 17:53:51,439 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 17:53:51,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 17:53:51,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 17:53:51,443 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random42.epf [2021-06-06 17:53:51,483 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 17:53:51,483 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 17:53:51,483 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 17:53:51,483 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 17:53:51,484 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 17:53:51,484 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 17:53:51,484 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 17:53:51,485 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 17:53:51,485 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 17:53:51,485 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 17:53:51,485 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 17:53:51,485 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 17:53:51,485 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 17:53:51,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 17:53:51,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 17:53:51,486 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 17:53:51,486 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 17:53:51,486 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 17:53:51,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 17:53:51,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 17:53:51,486 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 17:53:51,486 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 17:53:51,486 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 17:53:51,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 17:53:51,487 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 17:53:51,487 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 17:53:51,487 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 17:53:51,487 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 17:53:51,487 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 17:53:51,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 17:53:51,488 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 17:53:51,488 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 17:53:51,488 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 17:53:51,488 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 17:53:51,488 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 17:53:51,488 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 17:53:51,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 17:53:51,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 17:53:51,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 17:53:51,774 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 17:53:51,775 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 17:53:51,776 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy10.wvr.bpl [2021-06-06 17:53:51,776 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy10.wvr.bpl' [2021-06-06 17:53:51,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 17:53:51,811 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 17:53:51,812 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 17:53:51,813 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 17:53:51,813 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 17:53:51,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:53:51" (1/1) ... [2021-06-06 17:53:51,829 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:53:51" (1/1) ... [2021-06-06 17:53:51,835 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 17:53:51,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 17:53:51,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 17:53:51,837 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 17:53:51,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:53:51" (1/1) ... [2021-06-06 17:53:51,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:53:51" (1/1) ... [2021-06-06 17:53:51,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:53:51" (1/1) ... [2021-06-06 17:53:51,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:53:51" (1/1) ... [2021-06-06 17:53:51,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:53:51" (1/1) ... [2021-06-06 17:53:51,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:53:51" (1/1) ... [2021-06-06 17:53:51,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:53:51" (1/1) ... [2021-06-06 17:53:51,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 17:53:51,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 17:53:51,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 17:53:51,850 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 17:53:51,851 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:53:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 17:53:51,916 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 17:53:51,917 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 17:53:51,917 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 17:53:51,917 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 17:53:51,917 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 17:53:51,917 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 17:53:51,917 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 17:53:51,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 17:53:51,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 17:53:51,919 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-06 17:53:51,919 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-06 17:53:51,920 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-06 17:53:51,921 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-06-06 17:53:51,921 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-06-06 17:53:51,921 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-06-06 17:53:51,922 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 17:53:52,089 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 17:53:52,090 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 17:53:52,091 INFO L202 PluginConnector]: Adding new model easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 05:53:52 BoogieIcfgContainer [2021-06-06 17:53:52,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 17:53:52,093 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 17:53:52,093 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 17:53:52,095 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 17:53:52,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:53:51" (1/2) ... [2021-06-06 17:53:52,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a6b8e8a and model type easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 05:53:52, skipping insertion in model container [2021-06-06 17:53:52,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 05:53:52" (2/2) ... [2021-06-06 17:53:52,098 INFO L111 eAbstractionObserver]: Analyzing ICFG easy10.wvr.bpl [2021-06-06 17:53:52,102 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 17:53:52,103 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 17:53:52,103 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 17:53:52,104 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 17:53:52,201 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-06 17:53:52,219 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 [2021-06-06 17:53:52,271 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 17:53:52,271 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 17:53:52,271 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 17:53:52,272 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 17:53:52,272 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 17:53:52,272 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 17:53:52,272 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 17:53:52,272 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 17:53:52,375 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 17:53:52,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 17:53:52,379 INFO L82 PathProgramCache]: Analyzing trace with hash -658934300, now seen corresponding path program 1 times [2021-06-06 17:53:52,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 17:53:52,386 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227270053] [2021-06-06 17:53:52,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 17:53:52,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 17:53:52,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 17:53:52,541 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 17:53:52,542 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227270053] [2021-06-06 17:53:52,543 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227270053] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 17:53:52,543 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 17:53:52,543 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-06 17:53:52,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961176606] [2021-06-06 17:53:52,548 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 17:53:52,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 17:53:52,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 17:53:52,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 17:53:52,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:53:52,566 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 17:53:52,569 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 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) [2021-06-06 17:53:52,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:53:52,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:53:52,635 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 17:53:52,635 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 17:53:52,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 17:53:52,638 INFO L82 PathProgramCache]: Analyzing trace with hash 1745121346, now seen corresponding path program 2 times [2021-06-06 17:53:52,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 17:53:52,638 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549790587] [2021-06-06 17:53:52,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 17:53:52,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 17:53:53,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 17:53:53,056 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 17:53:53,056 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549790587] [2021-06-06 17:53:53,056 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549790587] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 17:53:53,056 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 17:53:53,057 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-06-06 17:53:53,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915674405] [2021-06-06 17:53:53,058 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-06 17:53:53,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 17:53:53,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-06 17:53:53,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2021-06-06 17:53:53,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:53:53,060 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 17:53:53,060 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 2.4375) internal successors, (39), 15 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) [2021-06-06 17:53:53,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:53:53,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:53:54,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:53:54,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 17:53:54,391 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 17:53:54,391 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 17:53:54,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 17:53:54,392 INFO L82 PathProgramCache]: Analyzing trace with hash -630481614, now seen corresponding path program 3 times [2021-06-06 17:53:54,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 17:53:54,392 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086116438] [2021-06-06 17:53:54,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 17:53:54,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 17:53:54,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 17:53:54,412 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 17:53:54,413 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086116438] [2021-06-06 17:53:54,413 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086116438] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 17:53:54,413 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 17:53:54,413 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-06 17:53:54,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320954391] [2021-06-06 17:53:54,414 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 17:53:54,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 17:53:54,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 17:53:54,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 17:53:54,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:53:54,414 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 17:53:54,415 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 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) [2021-06-06 17:53:54,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:53:54,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 17:53:54,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:53:54,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:53:54,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 17:53:54,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:53:54,485 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-06 17:53:54,485 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 17:53:54,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 17:53:54,485 INFO L82 PathProgramCache]: Analyzing trace with hash 700084104, now seen corresponding path program 4 times [2021-06-06 17:53:54,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 17:53:54,486 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598943561] [2021-06-06 17:53:54,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 17:53:54,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 17:53:54,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 17:53:54,505 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 17:53:54,505 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598943561] [2021-06-06 17:53:54,505 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598943561] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 17:53:54,506 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 17:53:54,506 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-06 17:53:54,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009783119] [2021-06-06 17:53:54,506 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 17:53:54,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 17:53:54,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 17:53:54,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 17:53:54,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:53:54,507 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 17:53:54,507 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 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) [2021-06-06 17:53:54,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:53:54,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 17:53:54,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:53:54,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:53:54,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:53:54,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 17:53:54,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:53:54,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:53:54,748 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-06 17:53:54,749 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 17:53:54,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 17:53:54,749 INFO L82 PathProgramCache]: Analyzing trace with hash -1377514388, now seen corresponding path program 5 times [2021-06-06 17:53:54,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 17:53:54,749 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412644031] [2021-06-06 17:53:54,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 17:53:54,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 17:53:54,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 17:53:54,769 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 17:53:54,769 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412644031] [2021-06-06 17:53:54,769 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412644031] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 17:53:54,770 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 17:53:54,770 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-06 17:53:54,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597338310] [2021-06-06 17:53:54,770 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 17:53:54,770 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 17:53:54,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 17:53:54,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 17:53:54,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:53:54,771 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 17:53:54,771 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 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) [2021-06-06 17:53:54,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:53:54,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 17:53:54,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:53:54,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:53:54,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:53:54,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:53:54,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 17:53:54,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:53:54,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:53:54,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:53:54,888 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-06 17:53:54,902 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 17:53:54,904 INFO L202 PluginConnector]: Adding new model easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 05:53:54 BasicIcfg [2021-06-06 17:53:54,904 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 17:53:54,906 INFO L168 Benchmark]: Toolchain (without parser) took 3093.90 ms. Allocated memory is still 339.7 MB. Free memory was 319.5 MB in the beginning and 242.6 MB in the end (delta: 76.9 MB). Peak memory consumption was 78.9 MB. Max. memory is 16.0 GB. [2021-06-06 17:53:54,908 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 339.7 MB. Free memory was 320.6 MB in the beginning and 320.5 MB in the end (delta: 71.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 17:53:54,910 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.89 ms. Allocated memory is still 339.7 MB. Free memory was 319.4 MB in the beginning and 317.9 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 17:53:54,910 INFO L168 Benchmark]: Boogie Preprocessor took 11.52 ms. Allocated memory is still 339.7 MB. Free memory was 317.9 MB in the beginning and 316.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 17:53:54,910 INFO L168 Benchmark]: RCFGBuilder took 241.99 ms. Allocated memory is still 339.7 MB. Free memory was 316.9 MB in the beginning and 304.1 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-06-06 17:53:54,911 INFO L168 Benchmark]: TraceAbstraction took 2811.73 ms. Allocated memory is still 339.7 MB. Free memory was 303.6 MB in the beginning and 242.6 MB in the end (delta: 61.0 MB). Peak memory consumption was 62.2 MB. Max. memory is 16.0 GB. [2021-06-06 17:53:54,912 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 0.15 ms. Allocated memory is still 339.7 MB. Free memory was 320.6 MB in the beginning and 320.5 MB in the end (delta: 71.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 23.89 ms. Allocated memory is still 339.7 MB. Free memory was 319.4 MB in the beginning and 317.9 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 11.52 ms. Allocated memory is still 339.7 MB. Free memory was 317.9 MB in the beginning and 316.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 241.99 ms. Allocated memory is still 339.7 MB. Free memory was 316.9 MB in the beginning and 304.1 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2811.73 ms. Allocated memory is still 339.7 MB. Free memory was 303.6 MB in the beginning and 242.6 MB in the end (delta: 61.0 MB). Peak memory consumption was 62.2 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 15654, positive: 15547, positive conditional: 15547, positive unconditional: 0, negative: 107, negative conditional: 107, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 15649, positive: 15547, positive conditional: 15547, positive unconditional: 0, negative: 102, negative conditional: 102, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 15649, positive: 15547, positive conditional: 0, positive unconditional: 15547, negative: 102, negative conditional: 0, negative unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 411, positive: 403, positive conditional: 0, positive unconditional: 403, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 411, positive: 400, positive conditional: 0, positive unconditional: 400, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 11, negative conditional: 3, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 66, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 59, negative conditional: 13, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 15649, positive: 15144, positive conditional: 0, positive unconditional: 15144, negative: 94, negative conditional: 0, negative unconditional: 94, unknown: 411, unknown conditional: 0, unknown unconditional: 411] , Statistics on independence cache: Total cache size (in pairs): 414, Positive cache size: 403, Positive conditional cache size: 0, Positive unconditional cache size: 403, Negative cache size: 11, Negative conditional cache size: 3, Negative unconditional cache size: 8, SemanticConditionEliminator.Independence Queries: [ total: 365, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 365, negative conditional: 92, negative unconditional: 273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 365, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 365, negative conditional: 92, negative unconditional: 273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 11, negative conditional: 3, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 66, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 59, negative conditional: 13, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 365, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 362, negative conditional: 89, negative unconditional: 273, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 414, Positive cache size: 403, Positive conditional cache size: 0, Positive unconditional cache size: 403, Negative cache size: 11, Negative conditional cache size: 3, Negative unconditional cache size: 8, Eliminated conditions: 273, SemanticConditionEliminator.Independence Queries: [ total: 365, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 365, negative conditional: 92, negative unconditional: 273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 365, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 365, negative conditional: 92, negative unconditional: 273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 11, negative conditional: 3, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 66, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 59, negative conditional: 13, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 365, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 362, negative conditional: 89, negative unconditional: 273, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 414, Positive cache size: 403, Positive conditional cache size: 0, Positive unconditional cache size: 403, Negative cache size: 11, Negative conditional cache size: 3, Negative unconditional cache size: 8, Eliminated conditions: 273, SemanticConditionEliminator.Independence Queries: [ total: 365, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 365, negative conditional: 92, negative unconditional: 273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 365, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 365, negative conditional: 92, negative unconditional: 273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 11, negative conditional: 3, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 66, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 59, negative conditional: 13, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 365, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 362, negative conditional: 89, negative unconditional: 273, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 414, Positive cache size: 403, Positive conditional cache size: 0, Positive unconditional cache size: 403, Negative cache size: 11, Negative conditional cache size: 3, Negative unconditional cache size: 8, Eliminated conditions: 273, SemanticConditionEliminator.Independence Queries: [ total: 365, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 365, negative conditional: 92, negative unconditional: 273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 365, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 365, negative conditional: 92, negative unconditional: 273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 11, negative conditional: 3, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 66, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 59, negative conditional: 13, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 365, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 362, negative conditional: 89, negative unconditional: 273, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 414, Positive cache size: 403, Positive conditional cache size: 0, Positive unconditional cache size: 403, Negative cache size: 11, Negative conditional cache size: 3, Negative unconditional cache size: 8, Eliminated conditions: 273, SemanticConditionEliminator.Independence Queries: [ total: 365, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 365, negative conditional: 92, negative unconditional: 273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 365, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 365, negative conditional: 92, negative unconditional: 273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 11, negative conditional: 3, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 66, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 59, negative conditional: 13, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 365, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 362, negative conditional: 89, negative unconditional: 273, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 414, Positive cache size: 403, Positive conditional cache size: 0, Positive unconditional cache size: 403, Negative cache size: 11, Negative conditional cache size: 3, Negative unconditional cache size: 8, Eliminated conditions: 273 ], Maximal queried relation: 5, Independence queries for same thread: 5 - PositiveResult [Line: 79]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 82 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2669.0ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 27.1ms, PartialOrderReductionTime: 1898.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 50, 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: 21.4ms SsaConstructionTime, 61.1ms SatisfiabilityAnalysisTime, 494.2ms InterpolantComputationTime, 195 NumberOfCodeBlocks, 195 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 190 ConstructedInterpolants, 0 QuantifiedInterpolants, 693 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...