/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=28.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-08 13:42:25,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-08 13:42:25,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-08 13:42:25,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-08 13:42:25,145 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-08 13:42:25,152 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-08 13:42:25,155 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-08 13:42:25,159 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-08 13:42:25,161 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-08 13:42:25,163 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-08 13:42:25,164 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-08 13:42:25,165 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-08 13:42:25,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-08 13:42:25,167 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-08 13:42:25,169 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-08 13:42:25,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-08 13:42:25,172 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-08 13:42:25,174 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-08 13:42:25,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-08 13:42:25,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-08 13:42:25,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-08 13:42:25,183 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-08 13:42:25,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-08 13:42:25,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-08 13:42:25,196 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-08 13:42:25,197 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-08 13:42:25,197 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-08 13:42:25,198 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-08 13:42:25,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-08 13:42:25,203 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-08 13:42:25,203 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-08 13:42:25,204 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-08 13:42:25,204 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-08 13:42:25,207 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-08 13:42:25,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-08 13:42:25,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-08 13:42:25,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-08 13:42:25,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-08 13:42:25,209 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-08 13:42:25,214 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-08 13:42:25,215 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-08 13:42:25,215 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 13:42:25,238 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-08 13:42:25,238 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-08 13:42:25,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-08 13:42:25,239 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-08 13:42:25,239 INFO L138 SettingsManager]: * Use SBE=true [2020-10-08 13:42:25,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-08 13:42:25,240 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-08 13:42:25,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-08 13:42:25,240 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-08 13:42:25,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-08 13:42:25,241 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-08 13:42:25,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-08 13:42:25,241 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-08 13:42:25,241 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-08 13:42:25,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-08 13:42:25,241 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-08 13:42:25,242 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-08 13:42:25,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-08 13:42:25,242 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-08 13:42:25,242 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-08 13:42:25,242 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-08 13:42:25,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 13:42:25,243 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-08 13:42:25,243 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-08 13:42:25,243 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-08 13:42:25,243 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-08 13:42:25,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-08 13:42:25,244 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-08 13:42:25,244 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-08 13:42:25,244 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-08 13:42:25,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-08 13:42:25,547 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-08 13:42:25,550 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-08 13:42:25,551 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-08 13:42:25,552 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-08 13:42:25,552 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=28.bpl [2020-10-08 13:42:25,553 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=28.bpl' [2020-10-08 13:42:25,601 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-08 13:42:25,603 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-08 13:42:25,603 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-08 13:42:25,604 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-08 13:42:25,604 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-08 13:42:25,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=28.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:25" (1/1) ... [2020-10-08 13:42:25,631 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=28.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:25" (1/1) ... [2020-10-08 13:42:25,640 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-08 13:42:25,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-08 13:42:25,641 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-08 13:42:25,641 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-08 13:42:25,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=28.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:25" (1/1) ... [2020-10-08 13:42:25,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=28.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:25" (1/1) ... [2020-10-08 13:42:25,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=28.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:25" (1/1) ... [2020-10-08 13:42:25,654 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=28.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:25" (1/1) ... [2020-10-08 13:42:25,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=28.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:25" (1/1) ... [2020-10-08 13:42:25,673 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=28.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:25" (1/1) ... [2020-10-08 13:42:25,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=28.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:25" (1/1) ... [2020-10-08 13:42:25,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-08 13:42:25,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-08 13:42:25,681 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-08 13:42:25,681 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-08 13:42:25,682 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=28.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:25" (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 [2020-10-08 13:42:25,764 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-08 13:42:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-08 13:42:25,766 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-08 13:42:25,767 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-08 13:42:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-08 13:42:25,767 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-08 13:42:25,768 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-08 13:42:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-08 13:42:25,768 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-08 13:42:25,768 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-08 13:42:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-08 13:42:25,769 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-08 13:42:25,769 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-08 13:42:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-08 13:42:25,769 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-08 13:42:25,770 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-08 13:42:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-08 13:42:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-08 13:42:25,770 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-08 13:42:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-08 13:42:25,771 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-08 13:42:25,771 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-08 13:42:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-08 13:42:25,772 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-08 13:42:25,778 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-08 13:42:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-08 13:42:25,779 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-08 13:42:25,780 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-08 13:42:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-08 13:42:25,780 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-08 13:42:25,781 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-08 13:42:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-08 13:42:25,781 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-08 13:42:25,782 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-08 13:42:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-08 13:42:25,782 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-08 13:42:25,783 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-08 13:42:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-08 13:42:25,783 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-08 13:42:25,783 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-08 13:42:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-08 13:42:25,784 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-08 13:42:25,784 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-08 13:42:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-08 13:42:25,784 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-08 13:42:25,785 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-08 13:42:25,785 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-08 13:42:25,785 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-08 13:42:25,785 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-08 13:42:25,786 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-08 13:42:25,786 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-08 13:42:25,786 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-08 13:42:25,786 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-08 13:42:25,786 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-08 13:42:25,787 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-08 13:42:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-08 13:42:25,787 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-08 13:42:25,787 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-08 13:42:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-08 13:42:25,788 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-08 13:42:25,788 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-08 13:42:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-08 13:42:25,789 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-08 13:42:25,789 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-08 13:42:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-08 13:42:25,790 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-08 13:42:25,790 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-08 13:42:25,790 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-08 13:42:25,790 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-08 13:42:25,791 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-08 13:42:25,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-08 13:42:25,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-08 13:42:25,791 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-08 13:42:25,791 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-08 13:42:25,792 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-08 13:42:25,792 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-08 13:42:25,792 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-08 13:42:25,792 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-08 13:42:25,792 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-08 13:42:25,793 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-08 13:42:25,793 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-08 13:42:25,793 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-08 13:42:25,793 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-08 13:42:25,793 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-08 13:42:25,794 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-08 13:42:25,795 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-08 13:42:25,795 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-08 13:42:25,797 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 13:42:26,195 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-08 13:42:26,196 INFO L298 CfgBuilder]: Removed 28 assume(true) statements. [2020-10-08 13:42:26,201 INFO L202 PluginConnector]: Adding new model example2_N=28.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 01:42:26 BoogieIcfgContainer [2020-10-08 13:42:26,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-08 13:42:26,204 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-08 13:42:26,204 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-08 13:42:26,208 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-08 13:42:26,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=28.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:25" (1/2) ... [2020-10-08 13:42:26,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f5d520c and model type example2_N=28.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 01:42:26, skipping insertion in model container [2020-10-08 13:42:26,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=28.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 01:42:26" (2/2) ... [2020-10-08 13:42:26,213 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=28.bpl [2020-10-08 13:42:26,225 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-08 13:42:26,227 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-08 13:42:26,233 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-08 13:42:26,233 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-08 13:42:26,655 INFO L253 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2020-10-08 13:42:26,677 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-08 13:42:26,677 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-08 13:42:26,677 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-08 13:42:26,677 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-08 13:42:26,678 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-08 13:42:26,678 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-08 13:42:26,678 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-08 13:42:26,678 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-08 13:42:26,697 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-08 13:42:26,699 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 229 places, 172 transitions, 568 flow [2020-10-08 13:42:26,702 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 229 places, 172 transitions, 568 flow [2020-10-08 13:42:26,704 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 229 places, 172 transitions, 568 flow [2020-10-08 13:42:26,811 INFO L129 PetriNetUnfolder]: 28/144 cut-off events. [2020-10-08 13:42:26,811 INFO L130 PetriNetUnfolder]: For 28/28 co-relation queries the response was YES. [2020-10-08 13:42:26,820 INFO L80 FinitePrefix]: Finished finitePrefix Result has 257 conditions, 144 events. 28/144 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 215 event pairs, 0 based on Foata normal form. 0/115 useless extension candidates. Maximal degree in co-relation 165. Up to 2 conditions per place. [2020-10-08 13:42:26,831 INFO L117 LiptonReduction]: Number of co-enabled transitions 11340 [2020-10-08 13:42:27,618 INFO L132 LiptonReduction]: Checked pairs total: 17847 [2020-10-08 13:42:27,618 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-08 13:42:27,624 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 227 places, 170 transitions, 564 flow Received shutdown request... [2020-10-08 13:56:01,372 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-08 13:56:01,375 WARN L235 ceAbstractionStarter]: Timeout [2020-10-08 13:56:01,375 INFO L202 PluginConnector]: Adding new model example2_N=28.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 01:56:01 BasicIcfg [2020-10-08 13:56:01,375 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-08 13:56:01,378 INFO L168 Benchmark]: Toolchain (without parser) took 815774.15 ms. Allocated memory was 253.2 MB in the beginning and 6.7 GB in the end (delta: 6.5 GB). Free memory was 228.8 MB in the beginning and 1.0 GB in the end (delta: -792.7 MB). Peak memory consumption was 6.5 GB. Max. memory is 14.2 GB. [2020-10-08 13:56:01,378 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 253.2 MB. Free memory is still 230.4 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 13:56:01,379 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.21 ms. Allocated memory is still 253.2 MB. Free memory was 228.8 MB in the beginning and 227.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-08 13:56:01,381 INFO L168 Benchmark]: Boogie Preprocessor took 39.27 ms. Allocated memory is still 253.2 MB. Free memory was 227.1 MB in the beginning and 225.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-08 13:56:01,381 INFO L168 Benchmark]: RCFGBuilder took 520.88 ms. Allocated memory is still 253.2 MB. Free memory was 225.4 MB in the beginning and 196.7 MB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 14.2 GB. [2020-10-08 13:56:01,383 INFO L168 Benchmark]: TraceAbstraction took 815171.28 ms. Allocated memory was 253.2 MB in the beginning and 6.7 GB in the end (delta: 6.5 GB). Free memory was 195.9 MB in the beginning and 1.0 GB in the end (delta: -825.6 MB). Peak memory consumption was 6.4 GB. Max. memory is 14.2 GB. [2020-10-08 13:56:01,394 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 0.17 ms. Allocated memory is still 253.2 MB. Free memory is still 230.4 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 37.21 ms. Allocated memory is still 253.2 MB. Free memory was 228.8 MB in the beginning and 227.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 39.27 ms. Allocated memory is still 253.2 MB. Free memory was 227.1 MB in the beginning and 225.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * RCFGBuilder took 520.88 ms. Allocated memory is still 253.2 MB. Free memory was 225.4 MB in the beginning and 196.7 MB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 14.2 GB. * TraceAbstraction took 815171.28 ms. Allocated memory was 253.2 MB in the beginning and 6.7 GB in the end (delta: 6.5 GB). Free memory was 195.9 MB in the beginning and 1.0 GB in the end (delta: -825.6 MB). Peak memory consumption was 6.4 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 3835 VarBasedMoverChecksPositive, 189 VarBasedMoverChecksNegative, 109 SemBasedMoverChecksPositive, 80 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 3913 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 0.9s, 229 PlacesBefore, 227 PlacesAfterwards, 172 TransitionsBefore, 170 TransitionsAfterwards, 11340 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 17847 MoverChecksTotal - TimeoutResultAtElement [Line: 66]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 66). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 227 places, 170 transitions, 564 flow. Already constructed 833261 states. Currently 416631 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 145 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 814.6s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 814.6s, 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