/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=47.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-08 14:23:13,117 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-08 14:23:13,119 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-08 14:23:13,157 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-08 14:23:13,157 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-08 14:23:13,164 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-08 14:23:13,167 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-08 14:23:13,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-08 14:23:13,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-08 14:23:13,176 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-08 14:23:13,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-08 14:23:13,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-08 14:23:13,179 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-08 14:23:13,181 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-08 14:23:13,184 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-08 14:23:13,185 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-08 14:23:13,186 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-08 14:23:13,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-08 14:23:13,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-08 14:23:13,196 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-08 14:23:13,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-08 14:23:13,198 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-08 14:23:13,199 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-08 14:23:13,199 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-08 14:23:13,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-08 14:23:13,202 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-08 14:23:13,202 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-08 14:23:13,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-08 14:23:13,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-08 14:23:13,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-08 14:23:13,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-08 14:23:13,204 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-08 14:23:13,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-08 14:23:13,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-08 14:23:13,206 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-08 14:23:13,207 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-08 14:23:13,207 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-08 14:23:13,207 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-08 14:23:13,207 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-08 14:23:13,208 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-08 14:23:13,209 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-08 14:23:13,210 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 [2020-10-08 14:23:13,241 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-08 14:23:13,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-08 14:23:13,245 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-08 14:23:13,245 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-08 14:23:13,245 INFO L138 SettingsManager]: * Use SBE=true [2020-10-08 14:23:13,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-08 14:23:13,246 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-08 14:23:13,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-08 14:23:13,246 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-08 14:23:13,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-08 14:23:13,247 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-08 14:23:13,247 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-08 14:23:13,248 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-08 14:23:13,248 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-08 14:23:13,249 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-08 14:23:13,249 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-08 14:23:13,249 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-08 14:23:13,250 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-08 14:23:13,250 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-08 14:23:13,250 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-08 14:23:13,250 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-08 14:23:13,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 14:23:13,251 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-08 14:23:13,251 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-08 14:23:13,251 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-08 14:23:13,252 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-08 14:23:13,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-08 14:23:13,252 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-08 14:23:13,252 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-08 14:23:13,252 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-08 14:23:13,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-08 14:23:13,540 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-08 14:23:13,543 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-08 14:23:13,545 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-08 14:23:13,545 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-08 14:23:13,546 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=47.bpl [2020-10-08 14:23:13,550 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=47.bpl' [2020-10-08 14:23:13,614 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-08 14:23:13,617 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-08 14:23:13,617 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-08 14:23:13,618 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-08 14:23:13,618 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-08 14:23:13,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:13" (1/1) ... [2020-10-08 14:23:13,663 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:13" (1/1) ... [2020-10-08 14:23:13,679 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-08 14:23:13,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-08 14:23:13,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-08 14:23:13,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-08 14:23:13,691 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:13" (1/1) ... [2020-10-08 14:23:13,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:13" (1/1) ... [2020-10-08 14:23:13,697 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:13" (1/1) ... [2020-10-08 14:23:13,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:13" (1/1) ... [2020-10-08 14:23:13,725 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:13" (1/1) ... [2020-10-08 14:23:13,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:13" (1/1) ... [2020-10-08 14:23:13,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:13" (1/1) ... [2020-10-08 14:23:13,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-08 14:23:13,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-08 14:23:13,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-08 14:23:13,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-08 14:23:13,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:13" (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 [2020-10-08 14:23:13,818 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-08 14:23:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-08 14:23:13,820 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-08 14:23:13,820 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-08 14:23:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-08 14:23:13,821 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-08 14:23:13,821 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread41 given in one single declaration [2020-10-08 14:23:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure thread41 [2020-10-08 14:23:13,821 INFO L138 BoogieDeclarations]: Found implementation of procedure thread41 [2020-10-08 14:23:13,822 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread40 given in one single declaration [2020-10-08 14:23:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure thread40 [2020-10-08 14:23:13,822 INFO L138 BoogieDeclarations]: Found implementation of procedure thread40 [2020-10-08 14:23:13,822 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread47 given in one single declaration [2020-10-08 14:23:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure thread47 [2020-10-08 14:23:13,823 INFO L138 BoogieDeclarations]: Found implementation of procedure thread47 [2020-10-08 14:23:13,823 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-08 14:23:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-08 14:23:13,823 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-08 14:23:13,824 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread46 given in one single declaration [2020-10-08 14:23:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure thread46 [2020-10-08 14:23:13,825 INFO L138 BoogieDeclarations]: Found implementation of procedure thread46 [2020-10-08 14:23:13,825 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-08 14:23:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-08 14:23:13,832 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-08 14:23:13,832 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-08 14:23:13,833 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-08 14:23:13,833 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-08 14:23:13,835 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-08 14:23:13,835 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-08 14:23:13,836 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-08 14:23:13,836 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread43 given in one single declaration [2020-10-08 14:23:13,836 INFO L130 BoogieDeclarations]: Found specification of procedure thread43 [2020-10-08 14:23:13,836 INFO L138 BoogieDeclarations]: Found implementation of procedure thread43 [2020-10-08 14:23:13,837 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-08 14:23:13,837 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-08 14:23:13,838 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-08 14:23:13,838 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread42 given in one single declaration [2020-10-08 14:23:13,838 INFO L130 BoogieDeclarations]: Found specification of procedure thread42 [2020-10-08 14:23:13,838 INFO L138 BoogieDeclarations]: Found implementation of procedure thread42 [2020-10-08 14:23:13,839 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-08 14:23:13,839 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-08 14:23:13,839 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-08 14:23:13,839 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread45 given in one single declaration [2020-10-08 14:23:13,840 INFO L130 BoogieDeclarations]: Found specification of procedure thread45 [2020-10-08 14:23:13,840 INFO L138 BoogieDeclarations]: Found implementation of procedure thread45 [2020-10-08 14:23:13,840 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-08 14:23:13,840 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-08 14:23:13,841 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-08 14:23:13,841 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread44 given in one single declaration [2020-10-08 14:23:13,841 INFO L130 BoogieDeclarations]: Found specification of procedure thread44 [2020-10-08 14:23:13,841 INFO L138 BoogieDeclarations]: Found implementation of procedure thread44 [2020-10-08 14:23:13,842 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-08 14:23:13,842 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-08 14:23:13,842 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-08 14:23:13,842 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-08 14:23:13,843 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-08 14:23:13,843 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-08 14:23:13,843 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread39 given in one single declaration [2020-10-08 14:23:13,843 INFO L130 BoogieDeclarations]: Found specification of procedure thread39 [2020-10-08 14:23:13,844 INFO L138 BoogieDeclarations]: Found implementation of procedure thread39 [2020-10-08 14:23:13,844 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-08 14:23:13,844 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-08 14:23:13,844 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-08 14:23:13,845 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-08 14:23:13,845 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-08 14:23:13,845 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-08 14:23:13,846 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-08 14:23:13,846 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-08 14:23:13,846 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-08 14:23:13,846 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-08 14:23:13,847 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-08 14:23:13,847 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-08 14:23:13,847 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-08 14:23:13,847 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-08 14:23:13,847 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-08 14:23:13,848 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-08 14:23:13,848 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-08 14:23:13,848 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-08 14:23:13,848 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-08 14:23:13,848 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-08 14:23:13,848 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-08 14:23:13,849 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-08 14:23:13,849 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-08 14:23:13,849 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-08 14:23:13,850 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-08 14:23:13,850 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-08 14:23:13,851 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-08 14:23:13,851 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-08 14:23:13,851 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-08 14:23:13,851 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-08 14:23:13,851 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-08 14:23:13,852 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-08 14:23:13,852 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-08 14:23:13,852 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-08 14:23:13,852 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-08 14:23:13,852 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-08 14:23:13,853 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread36 given in one single declaration [2020-10-08 14:23:13,853 INFO L130 BoogieDeclarations]: Found specification of procedure thread36 [2020-10-08 14:23:13,853 INFO L138 BoogieDeclarations]: Found implementation of procedure thread36 [2020-10-08 14:23:13,853 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-08 14:23:13,853 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-08 14:23:13,853 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-08 14:23:13,854 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread35 given in one single declaration [2020-10-08 14:23:13,854 INFO L130 BoogieDeclarations]: Found specification of procedure thread35 [2020-10-08 14:23:13,854 INFO L138 BoogieDeclarations]: Found implementation of procedure thread35 [2020-10-08 14:23:13,854 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-08 14:23:13,854 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-08 14:23:13,855 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-08 14:23:13,856 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-08 14:23:13,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-08 14:23:13,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-08 14:23:13,859 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread38 given in one single declaration [2020-10-08 14:23:13,859 INFO L130 BoogieDeclarations]: Found specification of procedure thread38 [2020-10-08 14:23:13,859 INFO L138 BoogieDeclarations]: Found implementation of procedure thread38 [2020-10-08 14:23:13,860 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-08 14:23:13,860 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-08 14:23:13,860 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-08 14:23:13,860 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread37 given in one single declaration [2020-10-08 14:23:13,861 INFO L130 BoogieDeclarations]: Found specification of procedure thread37 [2020-10-08 14:23:13,861 INFO L138 BoogieDeclarations]: Found implementation of procedure thread37 [2020-10-08 14:23:13,861 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-08 14:23:13,861 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-08 14:23:13,861 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-08 14:23:13,861 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-10-08 14:23:13,862 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-10-08 14:23:13,862 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-10-08 14:23:13,862 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-08 14:23:13,862 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-08 14:23:13,862 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-08 14:23:13,863 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-10-08 14:23:13,863 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-10-08 14:23:13,864 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-10-08 14:23:13,864 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-10-08 14:23:13,864 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-10-08 14:23:13,864 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-10-08 14:23:13,865 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-08 14:23:13,866 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-08 14:23:13,866 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-08 14:23:13,866 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-10-08 14:23:13,866 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-10-08 14:23:13,866 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-10-08 14:23:13,867 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-08 14:23:13,867 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-08 14:23:13,867 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-08 14:23:13,869 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-08 14:23:14,428 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-08 14:23:14,428 INFO L298 CfgBuilder]: Removed 47 assume(true) statements. [2020-10-08 14:23:14,430 INFO L202 PluginConnector]: Adding new model example2_N=47.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 02:23:14 BoogieIcfgContainer [2020-10-08 14:23:14,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-08 14:23:14,432 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-08 14:23:14,432 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-08 14:23:14,435 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-08 14:23:14,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:13" (1/2) ... [2020-10-08 14:23:14,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@774c7eb4 and model type example2_N=47.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 02:23:14, skipping insertion in model container [2020-10-08 14:23:14,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=47.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 02:23:14" (2/2) ... [2020-10-08 14:23:14,439 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=47.bpl [2020-10-08 14:23:14,448 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-08 14:23:14,448 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-08 14:23:14,455 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-08 14:23:14,456 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-08 14:23:15,438 INFO L253 AbstractCegarLoop]: Starting to check reachability of 48 error locations. [2020-10-08 14:23:15,462 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-08 14:23:15,462 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-08 14:23:15,462 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-08 14:23:15,462 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-08 14:23:15,462 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-08 14:23:15,463 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-08 14:23:15,463 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-08 14:23:15,463 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-08 14:23:15,484 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-08 14:23:15,486 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 381 places, 286 transitions, 948 flow [2020-10-08 14:23:15,489 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 381 places, 286 transitions, 948 flow [2020-10-08 14:23:15,492 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 381 places, 286 transitions, 948 flow [2020-10-08 14:23:15,705 INFO L129 PetriNetUnfolder]: 47/239 cut-off events. [2020-10-08 14:23:15,705 INFO L130 PetriNetUnfolder]: For 47/47 co-relation queries the response was YES. [2020-10-08 14:23:15,720 INFO L80 FinitePrefix]: Finished finitePrefix Result has 428 conditions, 239 events. 47/239 cut-off events. For 47/47 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 327 event pairs, 0 based on Foata normal form. 0/191 useless extension candidates. Maximal degree in co-relation 279. Up to 2 conditions per place. [2020-10-08 14:23:15,750 INFO L117 LiptonReduction]: Number of co-enabled transitions 32430 [2020-10-08 14:23:16,898 INFO L132 LiptonReduction]: Checked pairs total: 51382 [2020-10-08 14:23:16,898 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-08 14:23:16,906 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 379 places, 284 transitions, 944 flow Received shutdown request... [2020-10-08 14:36:19,931 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-08 14:36:19,934 WARN L235 ceAbstractionStarter]: Timeout [2020-10-08 14:36:19,935 INFO L202 PluginConnector]: Adding new model example2_N=47.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 02:36:19 BasicIcfg [2020-10-08 14:36:19,935 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-08 14:36:19,937 INFO L168 Benchmark]: Toolchain (without parser) took 786320.69 ms. Allocated memory was 252.2 MB in the beginning and 10.5 GB in the end (delta: 10.2 GB). Free memory was 226.0 MB in the beginning and 3.3 GB in the end (delta: -3.1 GB). Peak memory consumption was 9.4 GB. Max. memory is 14.2 GB. [2020-10-08 14:36:19,938 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.40 ms. Allocated memory is still 252.2 MB. Free memory is still 228.6 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 14:36:19,939 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.11 ms. Allocated memory is still 252.2 MB. Free memory was 226.0 MB in the beginning and 223.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 14:36:19,940 INFO L168 Benchmark]: Boogie Preprocessor took 66.30 ms. Allocated memory is still 252.2 MB. Free memory was 223.5 MB in the beginning and 221.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 14:36:19,941 INFO L168 Benchmark]: RCFGBuilder took 684.32 ms. Allocated memory is still 252.2 MB. Free memory was 221.0 MB in the beginning and 180.7 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 14.2 GB. [2020-10-08 14:36:19,942 INFO L168 Benchmark]: TraceAbstraction took 785503.12 ms. Allocated memory was 252.2 MB in the beginning and 10.5 GB in the end (delta: 10.2 GB). Free memory was 178.2 MB in the beginning and 3.3 GB in the end (delta: -3.1 GB). Peak memory consumption was 9.4 GB. Max. memory is 14.2 GB. [2020-10-08 14:36:19,946 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 0.40 ms. Allocated memory is still 252.2 MB. Free memory is still 228.6 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 62.11 ms. Allocated memory is still 252.2 MB. Free memory was 226.0 MB in the beginning and 223.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 66.30 ms. Allocated memory is still 252.2 MB. Free memory was 223.5 MB in the beginning and 221.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 684.32 ms. Allocated memory is still 252.2 MB. Free memory was 221.0 MB in the beginning and 180.7 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 14.2 GB. * TraceAbstraction took 785503.12 ms. Allocated memory was 252.2 MB in the beginning and 10.5 GB in the end (delta: 10.2 GB). Free memory was 178.2 MB in the beginning and 3.3 GB in the end (delta: -3.1 GB). Peak memory consumption was 9.4 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 12151 VarBasedMoverChecksPositive, 230 VarBasedMoverChecksNegative, 139 SemBasedMoverChecksPositive, 91 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.7s, 12152 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.4s, 381 PlacesBefore, 379 PlacesAfterwards, 286 TransitionsBefore, 284 TransitionsAfterwards, 32430 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 51382 MoverChecksTotal - TimeoutResultAtElement [Line: 104]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 104). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 379 places, 284 transitions, 944 flow. Already constructed 1106189 states. Currently 553097 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 48 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 784.4s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 784.4s, 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