/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-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/barrier.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-07 03:09:50,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-07 03:09:50,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-07 03:09:50,468 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-07 03:09:50,477 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-07 03:09:50,478 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-07 03:09:50,479 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-07 03:09:50,480 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-07 03:09:50,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-07 03:09:50,481 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-07 03:09:50,483 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-07 03:09:50,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-07 03:09:50,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-07 03:09:50,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-07 03:09:50,488 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-07 03:09:50,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-07 03:09:50,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-07 03:09:50,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-07 03:09:50,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-07 03:09:50,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-07 03:09:50,495 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-07 03:09:50,496 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-07 03:09:50,496 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-07 03:09:50,497 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-07 03:09:50,497 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-07 03:09:50,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-07 03:09:50,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-07 03:09:50,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-07 03:09:50,499 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-Random7777.epf [2021-06-07 03:09:50,518 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-07 03:09:50,519 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-07 03:09:50,519 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-07 03:09:50,519 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-07 03:09:50,520 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-07 03:09:50,520 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-07 03:09:50,520 INFO L138 SettingsManager]: * Use SBE=true [2021-06-07 03:09:50,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-07 03:09:50,521 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-07 03:09:50,521 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-07 03:09:50,521 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-07 03:09:50,521 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-07 03:09:50,521 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-07 03:09:50,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-07 03:09:50,521 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-07 03:09:50,521 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-07 03:09:50,522 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-07 03:09:50,522 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-07 03:09:50,522 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-07 03:09:50,522 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-07 03:09:50,522 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-07 03:09:50,522 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-07 03:09:50,522 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-07 03:09:50,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 03:09:50,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-07 03:09:50,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-07 03:09:50,523 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-07 03:09:50,523 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-07 03:09:50,523 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-07 03:09:50,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-07 03:09:50,523 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-07 03:09:50,523 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-07 03:09:50,523 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-07 03:09:50,524 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-07 03:09:50,524 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-07 03:09:50,524 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-07 03:09:50,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-07 03:09:50,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-07 03:09:50,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-07 03:09:50,818 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-07 03:09:50,819 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-07 03:09:50,820 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/barrier.wvr.bpl [2021-06-07 03:09:50,820 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/barrier.wvr.bpl' [2021-06-07 03:09:50,841 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-07 03:09:50,843 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-07 03:09:50,845 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-07 03:09:50,845 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-07 03:09:50,845 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-07 03:09:50,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:09:50" (1/1) ... [2021-06-07 03:09:50,864 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:09:50" (1/1) ... [2021-06-07 03:09:50,870 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-07 03:09:50,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-07 03:09:50,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-07 03:09:50,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-07 03:09:50,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:09:50" (1/1) ... [2021-06-07 03:09:50,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:09:50" (1/1) ... [2021-06-07 03:09:50,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:09:50" (1/1) ... [2021-06-07 03:09:50,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:09:50" (1/1) ... [2021-06-07 03:09:50,882 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:09:50" (1/1) ... [2021-06-07 03:09:50,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:09:50" (1/1) ... [2021-06-07 03:09:50,884 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:09:50" (1/1) ... [2021-06-07 03:09:50,885 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-07 03:09:50,886 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-07 03:09:50,886 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-07 03:09:50,886 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-07 03:09:50,887 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:09:50" (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 [2021-06-07 03:09:50,979 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-07 03:09:50,979 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-07 03:09:50,979 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-07 03:09:50,979 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-07 03:09:50,980 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-07 03:09:50,980 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-07 03:09:50,980 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-07 03:09:50,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-07 03:09:50,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-07 03:09:50,981 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-07 03:09:50,981 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-07 03:09:50,982 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-07 03:09:50,982 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-06-07 03:09:50,982 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-06-07 03:09:50,982 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-06-07 03:09:50,982 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-06-07 03:09:50,983 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-06-07 03:09:50,983 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-06-07 03:09:50,983 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2021-06-07 03:09:50,984 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-06-07 03:09:50,984 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-06-07 03:09:50,986 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-07 03:09:51,160 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-07 03:09:51,160 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-07 03:09:51,161 INFO L202 PluginConnector]: Adding new model barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 03:09:51 BoogieIcfgContainer [2021-06-07 03:09:51,161 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-07 03:09:51,163 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-07 03:09:51,163 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-07 03:09:51,166 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-07 03:09:51,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:09:50" (1/2) ... [2021-06-07 03:09:51,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@868ed96 and model type barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 03:09:51, skipping insertion in model container [2021-06-07 03:09:51,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 03:09:51" (2/2) ... [2021-06-07 03:09:51,168 INFO L111 eAbstractionObserver]: Analyzing ICFG barrier.wvr.bpl [2021-06-07 03:09:51,173 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-07 03:09:51,173 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-07 03:09:51,174 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-07 03:09:51,174 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-07 03:09:51,373 INFO L149 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2021-06-07 03:09:51,403 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 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 [2021-06-07 03:09:51,476 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 03:09:51,477 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 03:09:51,477 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 03:09:51,482 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 03:09:51,482 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 03:09:51,482 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 03:09:51,482 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 03:09:51,482 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread4Thread1of1ForFork4======== [2021-06-07 03:09:52,322 INFO L301 ceAbstractionStarter]: Result for error location thread4Thread1of1ForFork4 was SAFE (1/5) [2021-06-07 03:09:52,324 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-06-07 03:09:52,349 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 03:09:52,349 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 03:09:52,350 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 03:09:52,350 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 03:09:52,350 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 03:09:52,350 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 03:09:52,350 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 03:09:52,350 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread1======== Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-07 03:09:52,850 INFO L301 ceAbstractionStarter]: Result for error location thread1 was SAFE (2/5) [2021-06-07 03:09:52,850 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-06-07 03:09:52,874 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 03:09:52,874 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 03:09:52,874 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 03:09:52,874 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 03:09:52,874 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 03:09:52,874 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 03:09:52,874 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 03:09:52,874 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread1Thread1of1ForFork2======== Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-07 03:09:53,279 INFO L301 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork2 was SAFE (3/5) [2021-06-07 03:09:53,279 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-06-07 03:09:53,291 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 03:09:53,291 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 03:09:53,291 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 03:09:53,291 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 03:09:53,292 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 03:09:53,292 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 03:09:53,292 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 03:09:53,292 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread4======== Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-07 03:09:53,743 INFO L301 ceAbstractionStarter]: Result for error location thread4 was SAFE (4/5) [2021-06-07 03:09:53,744 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-06-07 03:09:53,749 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 03:09:53,749 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 03:09:53,749 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 03:09:53,749 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 03:09:53,750 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 03:09:53,750 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 03:09:53,750 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 03:09:53,750 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-07 03:09:53,791 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-07 03:09:53,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:09:53,798 INFO L82 PathProgramCache]: Analyzing trace with hash 882732852, now seen corresponding path program 1 times [2021-06-07 03:09:53,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:09:53,807 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582501884] [2021-06-07 03:09:53,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:09:53,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:09:54,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:09:54,504 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:09:54,504 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582501884] [2021-06-07 03:09:54,505 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582501884] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 03:09:54,505 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 03:09:54,505 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-06-07 03:09:54,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801087666] [2021-06-07 03:09:54,510 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-07 03:09:54,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:09:54,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-07 03:09:54,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=272, Unknown=0, NotChecked=0, Total=306 [2021-06-07 03:09:54,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:09:54,523 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:09:54,524 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 2.611111111111111) internal successors, (47), 17 states have internal predecessors, (47), 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) [2021-06-07 03:09:54,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:09:55,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-07 03:09:55,761 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-07 03:09:55,761 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-07 03:09:55,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:09:55,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1486672490, now seen corresponding path program 2 times [2021-06-07 03:09:55,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:09:55,762 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908031865] [2021-06-07 03:09:55,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:09:55,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:09:55,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:09:55,809 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:09:55,811 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908031865] [2021-06-07 03:09:55,812 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908031865] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 03:09:55,812 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 03:09:55,812 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-07 03:09:55,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658465283] [2021-06-07 03:09:55,814 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-07 03:09:55,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:09:55,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-07 03:09:55,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-07 03:09:55,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:09:55,817 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:09:55,818 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2021-06-07 03:09:55,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-07 03:09:55,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:09:55,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-07 03:09:55,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:09:55,909 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-07 03:09:55,909 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-07 03:09:55,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:09:55,909 INFO L82 PathProgramCache]: Analyzing trace with hash 66584003, now seen corresponding path program 1 times [2021-06-07 03:09:55,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:09:55,910 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259392155] [2021-06-07 03:09:55,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:09:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:09:55,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:09:55,979 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:09:55,979 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259392155] [2021-06-07 03:09:55,979 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259392155] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 03:09:55,980 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 03:09:55,980 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-07 03:09:55,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750121685] [2021-06-07 03:09:55,980 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-07 03:09:55,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:09:55,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-07 03:09:55,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-07 03:09:55,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:09:55,981 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:09:55,981 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2021-06-07 03:09:55,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-07 03:09:55,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:09:55,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:09:56,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-07 03:09:56,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:09:56,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:09:56,665 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-07 03:09:56,665 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-07 03:09:56,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:09:56,665 INFO L82 PathProgramCache]: Analyzing trace with hash -621621230, now seen corresponding path program 1 times [2021-06-07 03:09:56,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:09:56,666 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858029955] [2021-06-07 03:09:56,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:09:56,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:09:56,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:09:56,685 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:09:56,686 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858029955] [2021-06-07 03:09:56,686 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858029955] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 03:09:56,686 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 03:09:56,686 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-07 03:09:56,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225475354] [2021-06-07 03:09:56,686 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-07 03:09:56,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:09:56,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-07 03:09:56,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-07 03:09:56,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:09:56,687 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:09:56,687 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2021-06-07 03:09:56,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-07 03:09:56,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:09:56,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:09:56,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:09:56,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-07 03:09:56,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:09:56,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:09:56,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:09:56,851 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-07 03:09:56,851 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-07 03:09:56,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:09:56,851 INFO L82 PathProgramCache]: Analyzing trace with hash -1492907288, now seen corresponding path program 3 times [2021-06-07 03:09:56,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:09:56,852 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035375143] [2021-06-07 03:09:56,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:09:56,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:09:56,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:09:56,867 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:09:56,868 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035375143] [2021-06-07 03:09:56,868 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035375143] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 03:09:56,868 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 03:09:56,868 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-07 03:09:56,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485677790] [2021-06-07 03:09:56,868 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-07 03:09:56,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:09:56,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-07 03:09:56,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-07 03:09:56,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:09:56,869 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:09:56,869 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2021-06-07 03:09:56,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-07 03:09:56,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:09:56,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:09:56,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:09:56,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:09:57,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-07 03:09:57,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:09:57,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:09:57,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:09:57,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:09:57,066 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-07 03:09:57,073 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (5/5) [2021-06-07 03:09:57,074 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-07 03:09:57,076 INFO L202 PluginConnector]: Adding new model barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.06 03:09:57 BasicIcfg [2021-06-07 03:09:57,076 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-07 03:09:57,077 INFO L168 Benchmark]: Toolchain (without parser) took 6234.26 ms. Allocated memory was 375.4 MB in the beginning and 604.0 MB in the end (delta: 228.6 MB). Free memory was 355.0 MB in the beginning and 345.3 MB in the end (delta: 9.7 MB). Peak memory consumption was 241.3 MB. Max. memory is 16.0 GB. [2021-06-07 03:09:57,077 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 375.4 MB. Free memory is still 356.1 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 03:09:57,078 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.75 ms. Allocated memory is still 375.4 MB. Free memory was 355.0 MB in the beginning and 353.4 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 03:09:57,078 INFO L168 Benchmark]: Boogie Preprocessor took 13.70 ms. Allocated memory is still 375.4 MB. Free memory was 353.4 MB in the beginning and 352.4 MB in the end (delta: 983.5 kB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-06-07 03:09:57,078 INFO L168 Benchmark]: RCFGBuilder took 276.07 ms. Allocated memory is still 375.4 MB. Free memory was 352.4 MB in the beginning and 338.7 MB in the end (delta: 13.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-06-07 03:09:57,078 INFO L168 Benchmark]: TraceAbstraction took 5913.26 ms. Allocated memory was 375.4 MB in the beginning and 604.0 MB in the end (delta: 228.6 MB). Free memory was 338.3 MB in the beginning and 345.3 MB in the end (delta: -7.0 MB). Peak memory consumption was 224.5 MB. Max. memory is 16.0 GB. [2021-06-07 03:09:57,080 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 0.13 ms. Allocated memory is still 375.4 MB. Free memory is still 356.1 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 25.75 ms. Allocated memory is still 375.4 MB. Free memory was 355.0 MB in the beginning and 353.4 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 13.70 ms. Allocated memory is still 375.4 MB. Free memory was 353.4 MB in the beginning and 352.4 MB in the end (delta: 983.5 kB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 276.07 ms. Allocated memory is still 375.4 MB. Free memory was 352.4 MB in the beginning and 338.7 MB in the end (delta: 13.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 5913.26 ms. Allocated memory was 375.4 MB in the beginning and 604.0 MB in the end (delta: 228.6 MB). Free memory was 338.3 MB in the beginning and 345.3 MB in the end (delta: -7.0 MB). Peak memory consumption was 224.5 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: 27100, positive: 25417, positive conditional: 25417, positive unconditional: 0, negative: 1683, negative conditional: 1683, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 25958, positive: 25417, positive conditional: 25417, positive unconditional: 0, negative: 541, negative conditional: 541, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 25958, positive: 25417, positive conditional: 0, positive unconditional: 25417, negative: 541, negative conditional: 0, negative unconditional: 541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 906, positive: 891, positive conditional: 0, positive unconditional: 891, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 906, positive: 887, positive conditional: 0, positive unconditional: 887, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 125, positive: 61, positive conditional: 0, positive unconditional: 61, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 25958, positive: 24526, positive conditional: 0, positive unconditional: 24526, negative: 526, negative conditional: 0, negative unconditional: 526, unknown: 906, unknown conditional: 0, unknown unconditional: 906] , Statistics on independence cache: Total cache size (in pairs): 906, Positive cache size: 891, Positive conditional cache size: 0, Positive unconditional cache size: 891, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15 ], Maximal queried relation: 0, Independence queries for same thread: 1142 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 27100, positive: 25417, positive conditional: 25417, positive unconditional: 0, negative: 1683, negative conditional: 1683, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 25958, positive: 25417, positive conditional: 25417, positive unconditional: 0, negative: 541, negative conditional: 541, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 25958, positive: 25417, positive conditional: 0, positive unconditional: 25417, negative: 541, negative conditional: 0, negative unconditional: 541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 906, positive: 891, positive conditional: 0, positive unconditional: 891, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 906, positive: 887, positive conditional: 0, positive unconditional: 887, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 62, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 25958, positive: 24526, positive conditional: 0, positive unconditional: 24526, negative: 526, negative conditional: 0, negative unconditional: 526, unknown: 906, unknown conditional: 0, unknown unconditional: 906] , Statistics on independence cache: Total cache size (in pairs): 906, Positive cache size: 891, Positive conditional cache size: 0, Positive unconditional cache size: 891, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15 ], Maximal queried relation: 0, Independence queries for same thread: 1142 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 27100, positive: 25417, positive conditional: 25417, positive unconditional: 0, negative: 1683, negative conditional: 1683, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 25958, positive: 25417, positive conditional: 25417, positive unconditional: 0, negative: 541, negative conditional: 541, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 25958, positive: 25417, positive conditional: 0, positive unconditional: 25417, negative: 541, negative conditional: 0, negative unconditional: 541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 906, positive: 891, positive conditional: 0, positive unconditional: 891, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 906, positive: 887, positive conditional: 0, positive unconditional: 887, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 57, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 25958, positive: 24526, positive conditional: 0, positive unconditional: 24526, negative: 526, negative conditional: 0, negative unconditional: 526, unknown: 906, unknown conditional: 0, unknown unconditional: 906] , Statistics on independence cache: Total cache size (in pairs): 906, Positive cache size: 891, Positive conditional cache size: 0, Positive unconditional cache size: 891, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15 ], Maximal queried relation: 0, Independence queries for same thread: 1142 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 27100, positive: 25417, positive conditional: 25417, positive unconditional: 0, negative: 1683, negative conditional: 1683, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 25958, positive: 25417, positive conditional: 25417, positive unconditional: 0, negative: 541, negative conditional: 541, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 25958, positive: 25417, positive conditional: 0, positive unconditional: 25417, negative: 541, negative conditional: 0, negative unconditional: 541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 906, positive: 891, positive conditional: 0, positive unconditional: 891, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 906, positive: 887, positive conditional: 0, positive unconditional: 887, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 61, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 25958, positive: 24526, positive conditional: 0, positive unconditional: 24526, negative: 526, negative conditional: 0, negative unconditional: 526, unknown: 906, unknown conditional: 0, unknown unconditional: 906] , Statistics on independence cache: Total cache size (in pairs): 906, Positive cache size: 891, Positive conditional cache size: 0, Positive unconditional cache size: 891, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15 ], Maximal queried relation: 0, Independence queries for same thread: 1142 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 28921, positive: 26914, positive conditional: 26914, positive unconditional: 0, negative: 2007, negative conditional: 2007, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 26931, positive: 26914, positive conditional: 26914, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 26931, positive: 26913, positive conditional: 0, positive unconditional: 26913, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 760, positive: 750, positive conditional: 0, positive unconditional: 750, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 760, positive: 746, positive conditional: 0, positive unconditional: 746, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 16, negative conditional: 6, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 58, positive: 37, positive conditional: 1, positive unconditional: 36, negative: 21, negative conditional: 9, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 26931, positive: 26163, positive conditional: 0, positive unconditional: 26163, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 760, unknown conditional: 0, unknown unconditional: 760] , Statistics on independence cache: Total cache size (in pairs): 767, Positive cache size: 751, Positive conditional cache size: 1, Positive unconditional cache size: 750, Negative cache size: 16, Negative conditional cache size: 6, Negative unconditional cache size: 10, SemanticConditionEliminator.Independence Queries: [ total: 53, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 52, negative conditional: 12, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 53, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 52, negative conditional: 12, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 16, negative conditional: 6, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 58, positive: 37, positive conditional: 1, positive unconditional: 36, negative: 21, negative conditional: 9, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 53, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 46, negative conditional: 6, negative unconditional: 40, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 767, Positive cache size: 751, Positive conditional cache size: 1, Positive unconditional cache size: 750, Negative cache size: 16, Negative conditional cache size: 6, Negative unconditional cache size: 10, Eliminated conditions: 40, SemanticConditionEliminator.Independence Queries: [ total: 53, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 52, negative conditional: 12, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 53, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 52, negative conditional: 12, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 16, negative conditional: 6, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 58, positive: 37, positive conditional: 1, positive unconditional: 36, negative: 21, negative conditional: 9, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 53, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 46, negative conditional: 6, negative unconditional: 40, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 767, Positive cache size: 751, Positive conditional cache size: 1, Positive unconditional cache size: 750, Negative cache size: 16, Negative conditional cache size: 6, Negative unconditional cache size: 10, Eliminated conditions: 40, SemanticConditionEliminator.Independence Queries: [ total: 53, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 52, negative conditional: 12, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 53, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 52, negative conditional: 12, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 16, negative conditional: 6, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 58, positive: 37, positive conditional: 1, positive unconditional: 36, negative: 21, negative conditional: 9, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 53, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 46, negative conditional: 6, negative unconditional: 40, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 767, Positive cache size: 751, Positive conditional cache size: 1, Positive unconditional cache size: 750, Negative cache size: 16, Negative conditional cache size: 6, Negative unconditional cache size: 10, Eliminated conditions: 40, SemanticConditionEliminator.Independence Queries: [ total: 53, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 52, negative conditional: 12, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 53, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 52, negative conditional: 12, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 16, negative conditional: 6, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 58, positive: 37, positive conditional: 1, positive unconditional: 36, negative: 21, negative conditional: 9, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 53, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 46, negative conditional: 6, negative unconditional: 40, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 767, Positive cache size: 751, Positive conditional cache size: 1, Positive unconditional cache size: 750, Negative cache size: 16, Negative conditional cache size: 6, Negative unconditional cache size: 10, Eliminated conditions: 40, SemanticConditionEliminator.Independence Queries: [ total: 53, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 52, negative conditional: 12, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 53, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 52, negative conditional: 12, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 16, negative conditional: 6, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 58, positive: 37, positive conditional: 1, positive unconditional: 36, negative: 21, negative conditional: 9, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 53, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 46, negative conditional: 6, negative unconditional: 40, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 767, Positive cache size: 751, Positive conditional cache size: 1, Positive unconditional cache size: 750, Negative cache size: 16, Negative conditional cache size: 6, Negative unconditional cache size: 10, Eliminated conditions: 40 ], Maximal queried relation: 5, Independence queries for same thread: 1990 - PositiveResult [Line: 95]: 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: thread4Thread1of1ForFork4 with 1 thread instances CFG has 13 procedures, 112 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 896.7ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.7ms, PartialOrderReductionTime: 821.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread1 with 1 thread instances CFG has 13 procedures, 112 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 515.9ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2.3ms, PartialOrderReductionTime: 494.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread1Thread1of1ForFork2 with 1 thread instances CFG has 13 procedures, 112 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 418.5ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.8ms, PartialOrderReductionTime: 401.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread4 with 1 thread instances CFG has 13 procedures, 112 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 462.9ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.6ms, PartialOrderReductionTime: 447.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 13 procedures, 112 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3328.6ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.3ms, PartialOrderReductionTime: 2407.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 61, 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: 16.7ms SsaConstructionTime, 101.3ms SatisfiabilityAnalysisTime, 669.7ms InterpolantComputationTime, 235 NumberOfCodeBlocks, 235 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 230 ConstructedInterpolants, 0 QuantifiedInterpolants, 916 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...