/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=25.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-50b6972 [2020-10-06 18:40:25,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 18:40:25,676 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 18:40:25,716 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 18:40:25,717 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 18:40:25,725 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 18:40:25,728 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 18:40:25,731 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 18:40:25,734 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 18:40:25,736 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 18:40:25,737 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 18:40:25,738 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 18:40:25,738 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 18:40:25,741 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 18:40:25,743 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 18:40:25,744 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 18:40:25,746 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 18:40:25,747 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 18:40:25,748 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 18:40:25,757 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 18:40:25,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 18:40:25,760 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 18:40:25,761 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 18:40:25,762 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 18:40:25,774 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-06 18:40:25,774 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-06 18:40:25,776 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-06 18:40:25,777 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-06 18:40:25,777 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-06 18:40:25,778 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-06 18:40:25,778 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 18:40:25,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 18:40:25,785 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 18:40:25,786 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 18:40:25,786 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 18:40:25,786 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 18:40:25,789 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 18:40:25,789 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 18:40:25,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 18:40:25,790 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 18:40:25,794 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 18:40:25,795 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-06 18:40:25,837 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 18:40:25,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 18:40:25,839 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 18:40:25,839 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 18:40:25,839 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 18:40:25,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 18:40:25,840 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 18:40:25,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 18:40:25,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 18:40:25,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 18:40:25,841 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 18:40:25,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 18:40:25,841 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 18:40:25,841 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 18:40:25,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 18:40:25,842 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 18:40:25,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 18:40:25,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 18:40:25,842 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 18:40:25,842 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 18:40:25,843 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 18:40:25,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 18:40:25,844 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 18:40:25,845 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-06 18:40:25,845 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 18:40:25,845 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 18:40:25,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 18:40:25,845 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 18:40:25,846 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-06 18:40:25,846 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-06 18:40:26,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 18:40:26,181 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 18:40:26,184 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 18:40:26,186 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-06 18:40:26,186 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-06 18:40:26,187 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=25.bpl [2020-10-06 18:40:26,187 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=25.bpl' [2020-10-06 18:40:26,239 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 18:40:26,240 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-06 18:40:26,241 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 18:40:26,241 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 18:40:26,241 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 18:40:26,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:40:26" (1/1) ... [2020-10-06 18:40:26,265 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:40:26" (1/1) ... [2020-10-06 18:40:26,274 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 18:40:26,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 18:40:26,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 18:40:26,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 18:40:26,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:40:26" (1/1) ... [2020-10-06 18:40:26,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:40:26" (1/1) ... [2020-10-06 18:40:26,291 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:40:26" (1/1) ... [2020-10-06 18:40:26,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:40:26" (1/1) ... [2020-10-06 18:40:26,301 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:40:26" (1/1) ... [2020-10-06 18:40:26,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:40:26" (1/1) ... [2020-10-06 18:40:26,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:40:26" (1/1) ... [2020-10-06 18:40:26,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 18:40:26,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 18:40:26,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 18:40:26,316 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 18:40:26,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:40:26" (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 [2020-10-06 18:40:26,388 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-06 18:40:26,389 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-06 18:40:26,389 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-06 18:40:26,389 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-06 18:40:26,389 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-06 18:40:26,390 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-06 18:40:26,390 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-06 18:40:26,390 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-06 18:40:26,390 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-06 18:40:26,390 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-06 18:40:26,391 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-06 18:40:26,391 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-06 18:40:26,391 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-06 18:40:26,391 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-06 18:40:26,391 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-06 18:40:26,392 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-06 18:40:26,392 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-06 18:40:26,392 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-06 18:40:26,392 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-06 18:40:26,392 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-06 18:40:26,392 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-06 18:40:26,393 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-06 18:40:26,393 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-06 18:40:26,393 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-06 18:40:26,393 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-06 18:40:26,393 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-06 18:40:26,394 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-06 18:40:26,394 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-06 18:40:26,394 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-06 18:40:26,394 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-06 18:40:26,394 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-06 18:40:26,395 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-06 18:40:26,395 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-06 18:40:26,395 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-06 18:40:26,395 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-06 18:40:26,395 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-06 18:40:26,395 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-06 18:40:26,396 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-06 18:40:26,396 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-06 18:40:26,396 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-06 18:40:26,396 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-06 18:40:26,396 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-06 18:40:26,396 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-06 18:40:26,397 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-06 18:40:26,397 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-06 18:40:26,397 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-06 18:40:26,397 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-06 18:40:26,397 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-06 18:40:26,397 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-06 18:40:26,398 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-06 18:40:26,398 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-06 18:40:26,398 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-06 18:40:26,398 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-06 18:40:26,398 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-06 18:40:26,399 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-06 18:40:26,399 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-06 18:40:26,399 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-06 18:40:26,399 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-06 18:40:26,399 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-06 18:40:26,399 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-06 18:40:26,400 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-06 18:40:26,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 18:40:26,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 18:40:26,400 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-06 18:40:26,400 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-06 18:40:26,400 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-06 18:40:26,401 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-06 18:40:26,401 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-06 18:40:26,401 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-06 18:40:26,401 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-06 18:40:26,401 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-06 18:40:26,401 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-06 18:40:26,402 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-06 18:40:26,402 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-06 18:40:26,402 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-06 18:40:26,402 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-06 18:40:26,402 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-06 18:40:26,403 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-06 18:40:26,404 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-06 18:40:26,850 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 18:40:26,850 INFO L298 CfgBuilder]: Removed 25 assume(true) statements. [2020-10-06 18:40:26,853 INFO L202 PluginConnector]: Adding new model example2_N=25.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 06:40:26 BoogieIcfgContainer [2020-10-06 18:40:26,853 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 18:40:26,854 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 18:40:26,854 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 18:40:26,857 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 18:40:26,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:40:26" (1/2) ... [2020-10-06 18:40:26,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a587720 and model type example2_N=25.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 06:40:26, skipping insertion in model container [2020-10-06 18:40:26,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=25.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 06:40:26" (2/2) ... [2020-10-06 18:40:26,861 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=25.bpl [2020-10-06 18:40:26,872 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 18:40:26,872 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-06 18:40:26,878 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 18:40:26,879 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 18:40:27,369 INFO L253 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2020-10-06 18:40:27,391 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-06 18:40:27,392 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-06 18:40:27,392 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-06 18:40:27,392 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-06 18:40:27,392 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 18:40:27,392 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-06 18:40:27,393 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 18:40:27,393 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 18:40:27,413 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-06 18:40:27,416 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 205 places, 154 transitions, 508 flow [2020-10-06 18:40:27,419 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 205 places, 154 transitions, 508 flow [2020-10-06 18:40:27,421 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 205 places, 154 transitions, 508 flow [2020-10-06 18:40:27,513 INFO L129 PetriNetUnfolder]: 25/129 cut-off events. [2020-10-06 18:40:27,514 INFO L130 PetriNetUnfolder]: For 25/25 co-relation queries the response was YES. [2020-10-06 18:40:27,524 INFO L80 FinitePrefix]: Finished finitePrefix Result has 230 conditions, 129 events. 25/129 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 191 event pairs, 0 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 147. Up to 2 conditions per place. [2020-10-06 18:40:27,534 INFO L117 LiptonReduction]: Number of co-enabled transitions 9000 [2020-10-06 18:40:28,351 INFO L132 LiptonReduction]: Checked pairs total: 14136 [2020-10-06 18:40:28,352 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-06 18:40:28,358 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 203 places, 152 transitions, 504 flow Received shutdown request... [2020-10-06 18:54:04,578 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-06 18:54:04,584 WARN L235 ceAbstractionStarter]: Timeout [2020-10-06 18:54:04,585 INFO L202 PluginConnector]: Adding new model example2_N=25.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 06:54:04 BasicIcfg [2020-10-06 18:54:04,585 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 18:54:04,591 INFO L168 Benchmark]: Toolchain (without parser) took 818347.19 ms. Allocated memory was 255.3 MB in the beginning and 7.1 GB in the end (delta: 6.8 GB). Free memory was 229.2 MB in the beginning and 2.1 GB in the end (delta: -1.9 GB). Peak memory consumption was 6.1 GB. Max. memory is 14.2 GB. [2020-10-06 18:54:04,593 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 255.3 MB. Free memory is still 231.7 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 18:54:04,593 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.12 ms. Allocated memory is still 255.3 MB. Free memory is still 229.2 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 18:54:04,596 INFO L168 Benchmark]: Boogie Preprocessor took 40.42 ms. Allocated memory is still 255.3 MB. Free memory was 229.2 MB in the beginning and 226.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-06 18:54:04,598 INFO L168 Benchmark]: RCFGBuilder took 537.07 ms. Allocated memory is still 255.3 MB. Free memory was 226.7 MB in the beginning and 199.0 MB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 14.2 GB. [2020-10-06 18:54:04,600 INFO L168 Benchmark]: TraceAbstraction took 817730.89 ms. Allocated memory was 255.3 MB in the beginning and 7.1 GB in the end (delta: 6.8 GB). Free memory was 199.0 MB in the beginning and 2.1 GB in the end (delta: -1.9 GB). Peak memory consumption was 6.0 GB. Max. memory is 14.2 GB. [2020-10-06 18:54:04,610 INFO L336 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 0.18 ms. Allocated memory is still 255.3 MB. Free memory is still 231.7 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 34.12 ms. Allocated memory is still 255.3 MB. Free memory is still 229.2 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Preprocessor took 40.42 ms. Allocated memory is still 255.3 MB. Free memory was 229.2 MB in the beginning and 226.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 537.07 ms. Allocated memory is still 255.3 MB. Free memory was 226.7 MB in the beginning and 199.0 MB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 14.2 GB. * TraceAbstraction took 817730.89 ms. Allocated memory was 255.3 MB in the beginning and 7.1 GB in the end (delta: 6.8 GB). Free memory was 199.0 MB in the beginning and 2.1 GB in the end (delta: -1.9 GB). Peak memory consumption was 6.0 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 2473 VarBasedMoverChecksPositive, 188 VarBasedMoverChecksNegative, 97 SemBasedMoverChecksPositive, 91 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 2562 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 0.9s, 205 PlacesBefore, 203 PlacesAfterwards, 154 TransitionsBefore, 152 TransitionsAfterwards, 9000 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 14136 MoverChecksTotal - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 60). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 203 places, 152 transitions, 504 flow. Already constructed 761919 states. Currently 380961 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 130 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 817.1s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 817.1s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown