/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=37.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-50b6972 [2020-10-06 19:03:25,500 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 19:03:25,505 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 19:03:25,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 19:03:25,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 19:03:25,558 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 19:03:25,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 19:03:25,562 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 19:03:25,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 19:03:25,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 19:03:25,570 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 19:03:25,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 19:03:25,572 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 19:03:25,575 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 19:03:25,578 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 19:03:25,579 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 19:03:25,580 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 19:03:25,581 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 19:03:25,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 19:03:25,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 19:03:25,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 19:03:25,596 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 19:03:25,597 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 19:03:25,598 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 19:03:25,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-06 19:03:25,600 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-06 19:03:25,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-06 19:03:25,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-06 19:03:25,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-06 19:03:25,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-06 19:03:25,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 19:03:25,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 19:03:25,604 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 19:03:25,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 19:03:25,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 19:03:25,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 19:03:25,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 19:03:25,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 19:03:25,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 19:03:25,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 19:03:25,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 19:03:25,608 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 19:03:25,630 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 19:03:25,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 19:03:25,631 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 19:03:25,631 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 19:03:25,631 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 19:03:25,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 19:03:25,632 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 19:03:25,632 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 19:03:25,632 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 19:03:25,632 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 19:03:25,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 19:03:25,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 19:03:25,633 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 19:03:25,633 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 19:03:25,633 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 19:03:25,634 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 19:03:25,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 19:03:25,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 19:03:25,634 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 19:03:25,634 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 19:03:25,635 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 19:03:25,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 19:03:25,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 19:03:25,635 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-06 19:03:25,635 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 19:03:25,636 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 19:03:25,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 19:03:25,636 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 19:03:25,636 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-06 19:03:25,636 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-06 19:03:25,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 19:03:25,940 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 19:03:25,944 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 19:03:25,945 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-06 19:03:25,946 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-06 19:03:25,946 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=37.bpl [2020-10-06 19:03:25,947 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=37.bpl' [2020-10-06 19:03:26,003 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 19:03:26,005 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-06 19:03:26,005 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 19:03:26,005 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 19:03:26,005 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 19:03:26,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=37.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:25" (1/1) ... [2020-10-06 19:03:26,034 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=37.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:25" (1/1) ... [2020-10-06 19:03:26,044 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 19:03:26,045 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 19:03:26,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 19:03:26,046 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 19:03:26,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=37.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:25" (1/1) ... [2020-10-06 19:03:26,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=37.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:25" (1/1) ... [2020-10-06 19:03:26,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=37.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:25" (1/1) ... [2020-10-06 19:03:26,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=37.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:25" (1/1) ... [2020-10-06 19:03:26,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=37.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:25" (1/1) ... [2020-10-06 19:03:26,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=37.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:25" (1/1) ... [2020-10-06 19:03:26,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=37.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:25" (1/1) ... [2020-10-06 19:03:26,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 19:03:26,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 19:03:26,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 19:03:26,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 19:03:26,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=37.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:25" (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 19:03:26,172 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-06 19:03:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-06 19:03:26,174 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-06 19:03:26,174 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-06 19:03:26,175 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-06 19:03:26,175 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-06 19:03:26,175 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-06 19:03:26,175 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-06 19:03:26,175 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-06 19:03:26,176 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-06 19:03:26,176 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-06 19:03:26,176 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-06 19:03:26,177 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-06 19:03:26,177 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-06 19:03:26,177 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-06 19:03:26,177 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-06 19:03:26,177 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-06 19:03:26,178 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-06 19:03:26,178 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-06 19:03:26,178 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-06 19:03:26,179 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-06 19:03:26,179 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-06 19:03:26,180 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-06 19:03:26,187 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-06 19:03:26,188 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-06 19:03:26,188 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-06 19:03:26,189 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-06 19:03:26,190 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-06 19:03:26,190 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-06 19:03:26,190 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-06 19:03:26,190 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-06 19:03:26,190 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-06 19:03:26,191 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-06 19:03:26,191 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-06 19:03:26,192 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-06 19:03:26,192 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-06 19:03:26,192 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-06 19:03:26,192 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-06 19:03:26,192 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-06 19:03:26,193 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-06 19:03:26,193 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-06 19:03:26,193 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-06 19:03:26,193 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-06 19:03:26,194 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-06 19:03:26,194 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-06 19:03:26,194 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-06 19:03:26,195 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-06 19:03:26,195 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-06 19:03:26,195 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-06 19:03:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-06 19:03:26,196 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-06 19:03:26,196 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-06 19:03:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-06 19:03:26,197 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-06 19:03:26,197 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-06 19:03:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-06 19:03:26,198 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-06 19:03:26,198 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-06 19:03:26,198 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-06 19:03:26,198 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-06 19:03:26,199 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-06 19:03:26,199 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-06 19:03:26,199 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-06 19:03:26,199 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-06 19:03:26,199 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-06 19:03:26,200 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-06 19:03:26,201 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-06 19:03:26,201 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-06 19:03:26,201 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-06 19:03:26,201 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread36 given in one single declaration [2020-10-06 19:03:26,201 INFO L130 BoogieDeclarations]: Found specification of procedure thread36 [2020-10-06 19:03:26,202 INFO L138 BoogieDeclarations]: Found implementation of procedure thread36 [2020-10-06 19:03:26,202 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-06 19:03:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-06 19:03:26,202 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-06 19:03:26,203 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread35 given in one single declaration [2020-10-06 19:03:26,203 INFO L130 BoogieDeclarations]: Found specification of procedure thread35 [2020-10-06 19:03:26,203 INFO L138 BoogieDeclarations]: Found implementation of procedure thread35 [2020-10-06 19:03:26,203 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-06 19:03:26,203 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-06 19:03:26,204 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-06 19:03:26,204 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-06 19:03:26,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 19:03:26,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 19:03:26,205 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-06 19:03:26,205 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-06 19:03:26,206 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-06 19:03:26,206 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread37 given in one single declaration [2020-10-06 19:03:26,206 INFO L130 BoogieDeclarations]: Found specification of procedure thread37 [2020-10-06 19:03:26,206 INFO L138 BoogieDeclarations]: Found implementation of procedure thread37 [2020-10-06 19:03:26,206 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-06 19:03:26,207 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-06 19:03:26,207 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-06 19:03:26,207 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-10-06 19:03:26,207 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-10-06 19:03:26,207 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-10-06 19:03:26,207 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-06 19:03:26,208 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-06 19:03:26,208 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-06 19:03:26,208 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-10-06 19:03:26,208 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-10-06 19:03:26,208 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-10-06 19:03:26,209 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-10-06 19:03:26,209 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-10-06 19:03:26,209 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-10-06 19:03:26,209 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-06 19:03:26,209 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-06 19:03:26,209 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-06 19:03:26,211 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-10-06 19:03:26,211 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-10-06 19:03:26,214 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-10-06 19:03:26,214 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-06 19:03:26,214 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-06 19:03:26,214 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-06 19:03:26,216 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 19:03:26,704 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 19:03:26,704 INFO L298 CfgBuilder]: Removed 37 assume(true) statements. [2020-10-06 19:03:26,706 INFO L202 PluginConnector]: Adding new model example2_N=37.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 07:03:26 BoogieIcfgContainer [2020-10-06 19:03:26,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 19:03:26,708 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 19:03:26,708 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 19:03:26,711 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 19:03:26,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=37.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:25" (1/2) ... [2020-10-06 19:03:26,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ecb32dd and model type example2_N=37.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 07:03:26, skipping insertion in model container [2020-10-06 19:03:26,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=37.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 07:03:26" (2/2) ... [2020-10-06 19:03:26,714 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=37.bpl [2020-10-06 19:03:26,727 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 19:03:26,727 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-06 19:03:26,734 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 19:03:26,734 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 19:03:27,445 INFO L253 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2020-10-06 19:03:27,466 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-06 19:03:27,466 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-06 19:03:27,467 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-06 19:03:27,467 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-06 19:03:27,467 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 19:03:27,467 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-06 19:03:27,467 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 19:03:27,467 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 19:03:27,487 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-06 19:03:27,490 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 301 places, 226 transitions, 748 flow [2020-10-06 19:03:27,493 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 301 places, 226 transitions, 748 flow [2020-10-06 19:03:27,495 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 301 places, 226 transitions, 748 flow [2020-10-06 19:03:27,618 INFO L129 PetriNetUnfolder]: 37/189 cut-off events. [2020-10-06 19:03:27,618 INFO L130 PetriNetUnfolder]: For 37/37 co-relation queries the response was YES. [2020-10-06 19:03:27,633 INFO L80 FinitePrefix]: Finished finitePrefix Result has 338 conditions, 189 events. 37/189 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 275 event pairs, 0 based on Foata normal form. 0/151 useless extension candidates. Maximal degree in co-relation 219. Up to 2 conditions per place. [2020-10-06 19:03:27,655 INFO L117 LiptonReduction]: Number of co-enabled transitions 19980 [2020-10-06 19:03:28,637 INFO L132 LiptonReduction]: Checked pairs total: 31572 [2020-10-06 19:03:28,638 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-06 19:03:28,645 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 299 places, 224 transitions, 744 flow Received shutdown request... [2020-10-06 19:16:57,174 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-06 19:16:57,177 WARN L235 ceAbstractionStarter]: Timeout [2020-10-06 19:16:57,177 INFO L202 PluginConnector]: Adding new model example2_N=37.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 07:16:57 BasicIcfg [2020-10-06 19:16:57,178 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 19:16:57,180 INFO L168 Benchmark]: Toolchain (without parser) took 811175.05 ms. Allocated memory was 253.2 MB in the beginning and 9.3 GB in the end (delta: 9.1 GB). Free memory was 227.1 MB in the beginning and 3.6 GB in the end (delta: -3.4 GB). Peak memory consumption was 7.9 GB. Max. memory is 14.2 GB. [2020-10-06 19:16:57,181 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 253.2 MB. Free memory is still 229.6 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 19:16:57,182 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.87 ms. Allocated memory is still 253.2 MB. Free memory was 227.1 MB in the beginning and 224.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-06 19:16:57,183 INFO L168 Benchmark]: Boogie Preprocessor took 46.99 ms. Allocated memory is still 253.2 MB. Free memory is still 224.6 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 19:16:57,184 INFO L168 Benchmark]: RCFGBuilder took 613.92 ms. Allocated memory is still 253.2 MB. Free memory was 224.6 MB in the beginning and 189.3 MB in the end (delta: 35.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 14.2 GB. [2020-10-06 19:16:57,185 INFO L168 Benchmark]: TraceAbstraction took 810470.12 ms. Allocated memory was 253.2 MB in the beginning and 9.3 GB in the end (delta: 9.1 GB). Free memory was 189.3 MB in the beginning and 3.6 GB in the end (delta: -3.4 GB). Peak memory consumption was 7.9 GB. Max. memory is 14.2 GB. [2020-10-06 19:16:57,188 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 0.21 ms. Allocated memory is still 253.2 MB. Free memory is still 229.6 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 39.87 ms. Allocated memory is still 253.2 MB. Free memory was 227.1 MB in the beginning and 224.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 46.99 ms. Allocated memory is still 253.2 MB. Free memory is still 224.6 MB. There was no memory consumed. Max. memory is 14.2 GB. * RCFGBuilder took 613.92 ms. Allocated memory is still 253.2 MB. Free memory was 224.6 MB in the beginning and 189.3 MB in the end (delta: 35.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 14.2 GB. * TraceAbstraction took 810470.12 ms. Allocated memory was 253.2 MB in the beginning and 9.3 GB in the end (delta: 9.1 GB). Free memory was 189.3 MB in the beginning and 3.6 GB in the end (delta: -3.4 GB). Peak memory consumption was 7.9 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 5365 VarBasedMoverChecksPositive, 180 VarBasedMoverChecksNegative, 108 SemBasedMoverChecksPositive, 72 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.7s, 5400 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.1s, 301 PlacesBefore, 299 PlacesAfterwards, 226 TransitionsBefore, 224 TransitionsAfterwards, 19980 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 31572 MoverChecksTotal - TimeoutResultAtElement [Line: 84]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 84). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 299 places, 224 transitions, 744 flow. Already constructed 924304 states. Currently 462151 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 190 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 809.7s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 809.7s, 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