/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=53.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-50b6972 [2020-10-06 19:34:47,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 19:34:47,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 19:34:47,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 19:34:47,070 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 19:34:47,079 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 19:34:47,080 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 19:34:47,083 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 19:34:47,086 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 19:34:47,086 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 19:34:47,089 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 19:34:47,090 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 19:34:47,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 19:34:47,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 19:34:47,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 19:34:47,095 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 19:34:47,097 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 19:34:47,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 19:34:47,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 19:34:47,107 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 19:34:47,111 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 19:34:47,112 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 19:34:47,113 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 19:34:47,114 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 19:34:47,126 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-06 19:34:47,126 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-06 19:34:47,126 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-06 19:34:47,127 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-06 19:34:47,128 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-06 19:34:47,131 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-06 19:34:47,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 19:34:47,132 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 19:34:47,134 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 19:34:47,135 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 19:34:47,136 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 19:34:47,136 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 19:34:47,136 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 19:34:47,137 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 19:34:47,137 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 19:34:47,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 19:34:47,139 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 19:34:47,141 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 19:34:47,187 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 19:34:47,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 19:34:47,189 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 19:34:47,189 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 19:34:47,190 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 19:34:47,190 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 19:34:47,190 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 19:34:47,191 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 19:34:47,191 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 19:34:47,191 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 19:34:47,191 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 19:34:47,191 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 19:34:47,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 19:34:47,192 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 19:34:47,192 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 19:34:47,192 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 19:34:47,192 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 19:34:47,193 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 19:34:47,193 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 19:34:47,193 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 19:34:47,193 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 19:34:47,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 19:34:47,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 19:34:47,194 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-06 19:34:47,195 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 19:34:47,196 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 19:34:47,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 19:34:47,196 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 19:34:47,196 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-06 19:34:47,196 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-06 19:34:47,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 19:34:47,501 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 19:34:47,507 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 19:34:47,508 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-06 19:34:47,508 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-06 19:34:47,509 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=53.bpl [2020-10-06 19:34:47,509 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=53.bpl' [2020-10-06 19:34:47,576 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 19:34:47,578 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-06 19:34:47,578 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 19:34:47,578 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 19:34:47,579 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 19:34:47,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=53.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:34:47" (1/1) ... [2020-10-06 19:34:47,610 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=53.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:34:47" (1/1) ... [2020-10-06 19:34:47,622 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 19:34:47,623 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 19:34:47,623 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 19:34:47,623 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 19:34:47,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=53.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:34:47" (1/1) ... [2020-10-06 19:34:47,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=53.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:34:47" (1/1) ... [2020-10-06 19:34:47,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=53.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:34:47" (1/1) ... [2020-10-06 19:34:47,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=53.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:34:47" (1/1) ... [2020-10-06 19:34:47,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=53.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:34:47" (1/1) ... [2020-10-06 19:34:47,674 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=53.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:34:47" (1/1) ... [2020-10-06 19:34:47,678 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=53.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:34:47" (1/1) ... [2020-10-06 19:34:47,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 19:34:47,686 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 19:34:47,686 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 19:34:47,686 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 19:34:47,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=53.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:34:47" (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 19:34:47,763 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-06 19:34:47,764 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-06 19:34:47,764 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-06 19:34:47,764 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-06 19:34:47,764 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-06 19:34:47,765 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-06 19:34:47,765 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-06 19:34:47,765 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-06 19:34:47,765 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-06 19:34:47,765 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-06 19:34:47,766 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-06 19:34:47,766 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-06 19:34:47,766 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-06 19:34:47,766 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-06 19:34:47,766 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-06 19:34:47,767 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-06 19:34:47,767 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-06 19:34:47,767 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-06 19:34:47,767 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-06 19:34:47,767 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-06 19:34:47,767 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-06 19:34:47,768 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-06 19:34:47,768 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-06 19:34:47,768 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-06 19:34:47,768 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-06 19:34:47,768 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-06 19:34:47,769 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-06 19:34:47,771 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-06 19:34:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-06 19:34:47,771 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-06 19:34:47,773 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread39 given in one single declaration [2020-10-06 19:34:47,773 INFO L130 BoogieDeclarations]: Found specification of procedure thread39 [2020-10-06 19:34:47,773 INFO L138 BoogieDeclarations]: Found implementation of procedure thread39 [2020-10-06 19:34:47,773 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-06 19:34:47,775 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-06 19:34:47,776 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-06 19:34:47,776 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-06 19:34:47,777 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-06 19:34:47,777 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-06 19:34:47,777 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-06 19:34:47,778 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-06 19:34:47,778 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-06 19:34:47,778 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-06 19:34:47,778 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-06 19:34:47,778 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-06 19:34:47,779 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-06 19:34:47,779 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-06 19:34:47,779 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-06 19:34:47,779 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-06 19:34:47,779 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-06 19:34:47,780 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-06 19:34:47,780 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-06 19:34:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-06 19:34:47,780 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-06 19:34:47,780 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-06 19:34:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-06 19:34:47,781 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-06 19:34:47,781 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-06 19:34:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-06 19:34:47,781 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-06 19:34:47,782 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-06 19:34:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-06 19:34:47,782 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-06 19:34:47,782 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread36 given in one single declaration [2020-10-06 19:34:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure thread36 [2020-10-06 19:34:47,783 INFO L138 BoogieDeclarations]: Found implementation of procedure thread36 [2020-10-06 19:34:47,784 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread35 given in one single declaration [2020-10-06 19:34:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure thread35 [2020-10-06 19:34:47,784 INFO L138 BoogieDeclarations]: Found implementation of procedure thread35 [2020-10-06 19:34:47,784 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread38 given in one single declaration [2020-10-06 19:34:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure thread38 [2020-10-06 19:34:47,785 INFO L138 BoogieDeclarations]: Found implementation of procedure thread38 [2020-10-06 19:34:47,785 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread37 given in one single declaration [2020-10-06 19:34:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure thread37 [2020-10-06 19:34:47,785 INFO L138 BoogieDeclarations]: Found implementation of procedure thread37 [2020-10-06 19:34:47,785 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-10-06 19:34:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-10-06 19:34:47,785 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-10-06 19:34:47,786 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-10-06 19:34:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-10-06 19:34:47,786 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-10-06 19:34:47,786 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-10-06 19:34:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-10-06 19:34:47,786 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-10-06 19:34:47,787 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-10-06 19:34:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-10-06 19:34:47,787 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-10-06 19:34:47,788 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread41 given in one single declaration [2020-10-06 19:34:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure thread41 [2020-10-06 19:34:47,788 INFO L138 BoogieDeclarations]: Found implementation of procedure thread41 [2020-10-06 19:34:47,789 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread40 given in one single declaration [2020-10-06 19:34:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure thread40 [2020-10-06 19:34:47,789 INFO L138 BoogieDeclarations]: Found implementation of procedure thread40 [2020-10-06 19:34:47,789 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread47 given in one single declaration [2020-10-06 19:34:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure thread47 [2020-10-06 19:34:47,789 INFO L138 BoogieDeclarations]: Found implementation of procedure thread47 [2020-10-06 19:34:47,790 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread46 given in one single declaration [2020-10-06 19:34:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure thread46 [2020-10-06 19:34:47,790 INFO L138 BoogieDeclarations]: Found implementation of procedure thread46 [2020-10-06 19:34:47,790 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread49 given in one single declaration [2020-10-06 19:34:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure thread49 [2020-10-06 19:34:47,791 INFO L138 BoogieDeclarations]: Found implementation of procedure thread49 [2020-10-06 19:34:47,791 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread48 given in one single declaration [2020-10-06 19:34:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure thread48 [2020-10-06 19:34:47,791 INFO L138 BoogieDeclarations]: Found implementation of procedure thread48 [2020-10-06 19:34:47,791 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread43 given in one single declaration [2020-10-06 19:34:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure thread43 [2020-10-06 19:34:47,792 INFO L138 BoogieDeclarations]: Found implementation of procedure thread43 [2020-10-06 19:34:47,793 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread42 given in one single declaration [2020-10-06 19:34:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure thread42 [2020-10-06 19:34:47,797 INFO L138 BoogieDeclarations]: Found implementation of procedure thread42 [2020-10-06 19:34:47,797 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread45 given in one single declaration [2020-10-06 19:34:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure thread45 [2020-10-06 19:34:47,797 INFO L138 BoogieDeclarations]: Found implementation of procedure thread45 [2020-10-06 19:34:47,798 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread44 given in one single declaration [2020-10-06 19:34:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure thread44 [2020-10-06 19:34:47,798 INFO L138 BoogieDeclarations]: Found implementation of procedure thread44 [2020-10-06 19:34:47,798 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-06 19:34:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-06 19:34:47,798 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-06 19:34:47,799 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-06 19:34:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-06 19:34:47,799 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-06 19:34:47,799 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-06 19:34:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-06 19:34:47,799 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-06 19:34:47,800 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread50 given in one single declaration [2020-10-06 19:34:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure thread50 [2020-10-06 19:34:47,800 INFO L138 BoogieDeclarations]: Found implementation of procedure thread50 [2020-10-06 19:34:47,800 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread52 given in one single declaration [2020-10-06 19:34:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure thread52 [2020-10-06 19:34:47,801 INFO L138 BoogieDeclarations]: Found implementation of procedure thread52 [2020-10-06 19:34:47,802 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread51 given in one single declaration [2020-10-06 19:34:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure thread51 [2020-10-06 19:34:47,802 INFO L138 BoogieDeclarations]: Found implementation of procedure thread51 [2020-10-06 19:34:47,803 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-06 19:34:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-06 19:34:47,803 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-06 19:34:47,804 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-06 19:34:47,804 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-06 19:34:47,804 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-06 19:34:47,805 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-06 19:34:47,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 19:34:47,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 19:34:47,806 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-06 19:34:47,807 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-06 19:34:47,807 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-06 19:34:47,807 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-06 19:34:47,807 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-06 19:34:47,808 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-06 19:34:47,809 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-06 19:34:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-06 19:34:47,813 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-06 19:34:47,813 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread53 given in one single declaration [2020-10-06 19:34:47,813 INFO L130 BoogieDeclarations]: Found specification of procedure thread53 [2020-10-06 19:34:47,816 INFO L138 BoogieDeclarations]: Found implementation of procedure thread53 [2020-10-06 19:34:47,816 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-06 19:34:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-06 19:34:47,816 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-06 19:34:47,816 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-06 19:34:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-06 19:34:47,816 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-06 19:34:47,818 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 19:34:48,460 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 19:34:48,460 INFO L298 CfgBuilder]: Removed 53 assume(true) statements. [2020-10-06 19:34:48,463 INFO L202 PluginConnector]: Adding new model example2_N=53.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 07:34:48 BoogieIcfgContainer [2020-10-06 19:34:48,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 19:34:48,465 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 19:34:48,465 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 19:34:48,469 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 19:34:48,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=53.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:34:47" (1/2) ... [2020-10-06 19:34:48,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b64c9c4 and model type example2_N=53.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 07:34:48, skipping insertion in model container [2020-10-06 19:34:48,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=53.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 07:34:48" (2/2) ... [2020-10-06 19:34:48,473 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=53.bpl [2020-10-06 19:34:48,493 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 19:34:48,493 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-06 19:34:48,512 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 19:34:48,513 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 19:34:49,644 INFO L253 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2020-10-06 19:34:49,682 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-06 19:34:49,682 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-06 19:34:49,683 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-06 19:34:49,683 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-06 19:34:49,683 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 19:34:49,683 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-06 19:34:49,683 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 19:34:49,683 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 19:34:49,716 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-06 19:34:49,721 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 429 places, 322 transitions, 1068 flow [2020-10-06 19:34:49,724 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 429 places, 322 transitions, 1068 flow [2020-10-06 19:34:49,726 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 429 places, 322 transitions, 1068 flow [2020-10-06 19:34:50,034 INFO L129 PetriNetUnfolder]: 53/269 cut-off events. [2020-10-06 19:34:50,034 INFO L130 PetriNetUnfolder]: For 53/53 co-relation queries the response was YES. [2020-10-06 19:34:50,071 INFO L80 FinitePrefix]: Finished finitePrefix Result has 482 conditions, 269 events. 53/269 cut-off events. For 53/53 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 369 event pairs, 0 based on Foata normal form. 0/215 useless extension candidates. Maximal degree in co-relation 315. Up to 2 conditions per place. [2020-10-06 19:34:50,118 INFO L117 LiptonReduction]: Number of co-enabled transitions 41340 [2020-10-06 19:34:51,359 INFO L132 LiptonReduction]: Checked pairs total: 65572 [2020-10-06 19:34:51,360 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-06 19:34:51,368 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 427 places, 320 transitions, 1064 flow Received shutdown request... [2020-10-06 19:48:06,850 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-06 19:48:06,861 WARN L235 ceAbstractionStarter]: Timeout [2020-10-06 19:48:06,861 INFO L202 PluginConnector]: Adding new model example2_N=53.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 07:48:06 BasicIcfg [2020-10-06 19:48:06,861 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 19:48:06,864 INFO L168 Benchmark]: Toolchain (without parser) took 799285.90 ms. Allocated memory was 253.2 MB in the beginning and 9.3 GB in the end (delta: 9.0 GB). Free memory was 224.6 MB in the beginning and 2.2 GB in the end (delta: -2.0 GB). Peak memory consumption was 8.5 GB. Max. memory is 14.2 GB. [2020-10-06 19:48:06,865 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 253.2 MB. Free memory is still 227.1 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 19:48:06,866 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.90 ms. Allocated memory is still 253.2 MB. Free memory was 224.6 MB in the beginning and 222.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-06 19:48:06,867 INFO L168 Benchmark]: Boogie Preprocessor took 62.83 ms. Allocated memory is still 253.2 MB. Free memory was 222.1 MB in the beginning and 219.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-06 19:48:06,868 INFO L168 Benchmark]: RCFGBuilder took 778.08 ms. Allocated memory is still 253.2 MB. Free memory was 219.5 MB in the beginning and 174.2 MB in the end (delta: 45.3 MB). Peak memory consumption was 45.3 MB. Max. memory is 14.2 GB. [2020-10-06 19:48:06,869 INFO L168 Benchmark]: TraceAbstraction took 798396.07 ms. Allocated memory was 253.2 MB in the beginning and 9.3 GB in the end (delta: 9.0 GB). Free memory was 171.7 MB in the beginning and 2.2 GB in the end (delta: -2.0 GB). Peak memory consumption was 8.5 GB. Max. memory is 14.2 GB. [2020-10-06 19:48:06,873 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 253.2 MB. Free memory is still 227.1 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 43.90 ms. Allocated memory is still 253.2 MB. Free memory was 224.6 MB in the beginning and 222.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 62.83 ms. Allocated memory is still 253.2 MB. Free memory was 222.1 MB in the beginning and 219.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 778.08 ms. Allocated memory is still 253.2 MB. Free memory was 219.5 MB in the beginning and 174.2 MB in the end (delta: 45.3 MB). Peak memory consumption was 45.3 MB. Max. memory is 14.2 GB. * TraceAbstraction took 798396.07 ms. Allocated memory was 253.2 MB in the beginning and 9.3 GB in the end (delta: 9.0 GB). Free memory was 171.7 MB in the beginning and 2.2 GB in the end (delta: -2.0 GB). Peak memory consumption was 8.5 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 11129 VarBasedMoverChecksPositive, 260 VarBasedMoverChecksNegative, 157 SemBasedMoverChecksPositive, 103 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.9s, 11178 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.6s, 429 PlacesBefore, 427 PlacesAfterwards, 322 TransitionsBefore, 320 TransitionsAfterwards, 41340 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 65572 MoverChecksTotal - TimeoutResultAtElement [Line: 116]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 116). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 427 places, 320 transitions, 1064 flow. Already constructed 995165 states. Currently 497656 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 54 procedures, 270 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 797.1s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 797.1s, 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