/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=48.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-50b6972 [2020-10-06 19:30:23,092 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 19:30:23,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 19:30:23,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 19:30:23,137 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 19:30:23,143 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 19:30:23,145 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 19:30:23,148 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 19:30:23,149 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 19:30:23,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 19:30:23,151 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 19:30:23,152 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 19:30:23,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 19:30:23,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 19:30:23,154 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 19:30:23,155 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 19:30:23,156 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 19:30:23,157 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 19:30:23,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 19:30:23,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 19:30:23,161 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 19:30:23,162 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 19:30:23,163 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 19:30:23,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 19:30:23,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-06 19:30:23,166 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-06 19:30:23,167 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-06 19:30:23,168 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-06 19:30:23,168 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-06 19:30:23,169 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-06 19:30:23,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 19:30:23,170 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 19:30:23,170 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 19:30:23,171 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 19:30:23,172 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 19:30:23,172 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 19:30:23,173 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 19:30:23,173 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 19:30:23,173 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 19:30:23,174 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 19:30:23,175 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 19:30:23,176 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 19:30:23,204 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 19:30:23,204 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 19:30:23,207 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 19:30:23,207 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 19:30:23,207 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 19:30:23,208 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 19:30:23,208 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 19:30:23,208 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 19:30:23,208 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 19:30:23,208 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 19:30:23,208 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 19:30:23,208 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 19:30:23,209 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 19:30:23,209 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 19:30:23,210 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 19:30:23,210 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 19:30:23,210 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 19:30:23,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 19:30:23,212 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 19:30:23,212 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 19:30:23,212 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 19:30:23,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 19:30:23,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 19:30:23,213 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-06 19:30:23,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 19:30:23,214 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 19:30:23,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 19:30:23,214 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 19:30:23,214 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-06 19:30:23,214 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-06 19:30:23,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 19:30:23,515 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 19:30:23,519 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 19:30:23,520 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-06 19:30:23,521 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-06 19:30:23,522 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=48.bpl [2020-10-06 19:30:23,522 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=48.bpl' [2020-10-06 19:30:23,586 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 19:30:23,588 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-06 19:30:23,588 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 19:30:23,589 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 19:30:23,589 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 19:30:23,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=48.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:23" (1/1) ... [2020-10-06 19:30:23,619 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=48.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:23" (1/1) ... [2020-10-06 19:30:23,631 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 19:30:23,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 19:30:23,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 19:30:23,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 19:30:23,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=48.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:23" (1/1) ... [2020-10-06 19:30:23,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=48.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:23" (1/1) ... [2020-10-06 19:30:23,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=48.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:23" (1/1) ... [2020-10-06 19:30:23,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=48.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:23" (1/1) ... [2020-10-06 19:30:23,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=48.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:23" (1/1) ... [2020-10-06 19:30:23,678 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=48.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:23" (1/1) ... [2020-10-06 19:30:23,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=48.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:23" (1/1) ... [2020-10-06 19:30:23,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 19:30:23,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 19:30:23,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 19:30:23,699 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 19:30:23,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=48.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:23" (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 19:30:23,772 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-06 19:30:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-06 19:30:23,773 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-06 19:30:23,775 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-06 19:30:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-06 19:30:23,775 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-06 19:30:23,776 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-06 19:30:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-06 19:30:23,776 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-06 19:30:23,776 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-06 19:30:23,777 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-06 19:30:23,777 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-06 19:30:23,777 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-06 19:30:23,777 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-06 19:30:23,777 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-06 19:30:23,778 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-06 19:30:23,778 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-06 19:30:23,778 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-06 19:30:23,778 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-06 19:30:23,778 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-06 19:30:23,779 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-06 19:30:23,779 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-06 19:30:23,780 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-06 19:30:23,780 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-06 19:30:23,781 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-06 19:30:23,782 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-06 19:30:23,782 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-06 19:30:23,783 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-06 19:30:23,784 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-06 19:30:23,784 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-06 19:30:23,785 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread39 given in one single declaration [2020-10-06 19:30:23,785 INFO L130 BoogieDeclarations]: Found specification of procedure thread39 [2020-10-06 19:30:23,785 INFO L138 BoogieDeclarations]: Found implementation of procedure thread39 [2020-10-06 19:30:23,785 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-06 19:30:23,785 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-06 19:30:23,786 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-06 19:30:23,787 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-06 19:30:23,787 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-06 19:30:23,787 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-06 19:30:23,787 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-06 19:30:23,787 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-06 19:30:23,788 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-06 19:30:23,788 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-06 19:30:23,788 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-06 19:30:23,788 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-06 19:30:23,788 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-06 19:30:23,789 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-06 19:30:23,789 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-06 19:30:23,789 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-06 19:30:23,789 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-06 19:30:23,789 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-06 19:30:23,790 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-06 19:30:23,790 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-06 19:30:23,790 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-06 19:30:23,790 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-06 19:30:23,790 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-06 19:30:23,790 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-06 19:30:23,790 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-06 19:30:23,791 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-06 19:30:23,791 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-06 19:30:23,791 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-06 19:30:23,791 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-06 19:30:23,791 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-06 19:30:23,791 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread36 given in one single declaration [2020-10-06 19:30:23,791 INFO L130 BoogieDeclarations]: Found specification of procedure thread36 [2020-10-06 19:30:23,792 INFO L138 BoogieDeclarations]: Found implementation of procedure thread36 [2020-10-06 19:30:23,792 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread35 given in one single declaration [2020-10-06 19:30:23,792 INFO L130 BoogieDeclarations]: Found specification of procedure thread35 [2020-10-06 19:30:23,792 INFO L138 BoogieDeclarations]: Found implementation of procedure thread35 [2020-10-06 19:30:23,792 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread38 given in one single declaration [2020-10-06 19:30:23,792 INFO L130 BoogieDeclarations]: Found specification of procedure thread38 [2020-10-06 19:30:23,793 INFO L138 BoogieDeclarations]: Found implementation of procedure thread38 [2020-10-06 19:30:23,793 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread37 given in one single declaration [2020-10-06 19:30:23,793 INFO L130 BoogieDeclarations]: Found specification of procedure thread37 [2020-10-06 19:30:23,793 INFO L138 BoogieDeclarations]: Found implementation of procedure thread37 [2020-10-06 19:30:23,793 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-10-06 19:30:23,793 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-10-06 19:30:23,794 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-10-06 19:30:23,794 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-10-06 19:30:23,794 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-10-06 19:30:23,794 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-10-06 19:30:23,794 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-10-06 19:30:23,794 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-10-06 19:30:23,795 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-10-06 19:30:23,795 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-10-06 19:30:23,795 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-10-06 19:30:23,795 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-10-06 19:30:23,795 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread41 given in one single declaration [2020-10-06 19:30:23,796 INFO L130 BoogieDeclarations]: Found specification of procedure thread41 [2020-10-06 19:30:23,796 INFO L138 BoogieDeclarations]: Found implementation of procedure thread41 [2020-10-06 19:30:23,796 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread40 given in one single declaration [2020-10-06 19:30:23,796 INFO L130 BoogieDeclarations]: Found specification of procedure thread40 [2020-10-06 19:30:23,796 INFO L138 BoogieDeclarations]: Found implementation of procedure thread40 [2020-10-06 19:30:23,796 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread47 given in one single declaration [2020-10-06 19:30:23,797 INFO L130 BoogieDeclarations]: Found specification of procedure thread47 [2020-10-06 19:30:23,797 INFO L138 BoogieDeclarations]: Found implementation of procedure thread47 [2020-10-06 19:30:23,797 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread46 given in one single declaration [2020-10-06 19:30:23,797 INFO L130 BoogieDeclarations]: Found specification of procedure thread46 [2020-10-06 19:30:23,797 INFO L138 BoogieDeclarations]: Found implementation of procedure thread46 [2020-10-06 19:30:23,798 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread48 given in one single declaration [2020-10-06 19:30:23,798 INFO L130 BoogieDeclarations]: Found specification of procedure thread48 [2020-10-06 19:30:23,798 INFO L138 BoogieDeclarations]: Found implementation of procedure thread48 [2020-10-06 19:30:23,798 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread43 given in one single declaration [2020-10-06 19:30:23,798 INFO L130 BoogieDeclarations]: Found specification of procedure thread43 [2020-10-06 19:30:23,799 INFO L138 BoogieDeclarations]: Found implementation of procedure thread43 [2020-10-06 19:30:23,799 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread42 given in one single declaration [2020-10-06 19:30:23,799 INFO L130 BoogieDeclarations]: Found specification of procedure thread42 [2020-10-06 19:30:23,799 INFO L138 BoogieDeclarations]: Found implementation of procedure thread42 [2020-10-06 19:30:23,799 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread45 given in one single declaration [2020-10-06 19:30:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure thread45 [2020-10-06 19:30:23,800 INFO L138 BoogieDeclarations]: Found implementation of procedure thread45 [2020-10-06 19:30:23,800 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread44 given in one single declaration [2020-10-06 19:30:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure thread44 [2020-10-06 19:30:23,800 INFO L138 BoogieDeclarations]: Found implementation of procedure thread44 [2020-10-06 19:30:23,801 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-06 19:30:23,801 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-06 19:30:23,801 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-06 19:30:23,801 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-06 19:30:23,801 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-06 19:30:23,802 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-06 19:30:23,802 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-06 19:30:23,802 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-06 19:30:23,802 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-06 19:30:23,802 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-06 19:30:23,802 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-06 19:30:23,803 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-06 19:30:23,803 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-06 19:30:23,803 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-06 19:30:23,803 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-06 19:30:23,803 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-06 19:30:23,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 19:30:23,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 19:30:23,804 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-06 19:30:23,804 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-06 19:30:23,804 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-06 19:30:23,804 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-06 19:30:23,804 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-06 19:30:23,805 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-06 19:30:23,805 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-06 19:30:23,805 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-06 19:30:23,805 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-06 19:30:23,805 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-06 19:30:23,805 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-06 19:30:23,806 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-06 19:30:23,806 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-06 19:30:23,806 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-06 19:30:23,806 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-06 19:30:23,808 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 19:30:24,398 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 19:30:24,398 INFO L298 CfgBuilder]: Removed 48 assume(true) statements. [2020-10-06 19:30:24,401 INFO L202 PluginConnector]: Adding new model example2_N=48.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 07:30:24 BoogieIcfgContainer [2020-10-06 19:30:24,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 19:30:24,402 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 19:30:24,402 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 19:30:24,406 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 19:30:24,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=48.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:23" (1/2) ... [2020-10-06 19:30:24,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2240b75d and model type example2_N=48.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 07:30:24, skipping insertion in model container [2020-10-06 19:30:24,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=48.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 07:30:24" (2/2) ... [2020-10-06 19:30:24,410 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=48.bpl [2020-10-06 19:30:24,423 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 19:30:24,423 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-06 19:30:24,435 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 19:30:24,436 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 19:30:25,395 INFO L253 AbstractCegarLoop]: Starting to check reachability of 49 error locations. [2020-10-06 19:30:25,417 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-06 19:30:25,418 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-06 19:30:25,418 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-06 19:30:25,418 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-06 19:30:25,418 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 19:30:25,418 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-06 19:30:25,418 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 19:30:25,419 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 19:30:25,478 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-06 19:30:25,481 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 389 places, 292 transitions, 968 flow [2020-10-06 19:30:25,484 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 389 places, 292 transitions, 968 flow [2020-10-06 19:30:25,487 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 389 places, 292 transitions, 968 flow [2020-10-06 19:30:25,668 INFO L129 PetriNetUnfolder]: 48/244 cut-off events. [2020-10-06 19:30:25,668 INFO L130 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2020-10-06 19:30:25,688 INFO L80 FinitePrefix]: Finished finitePrefix Result has 437 conditions, 244 events. 48/244 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 343 event pairs, 0 based on Foata normal form. 0/195 useless extension candidates. Maximal degree in co-relation 285. Up to 2 conditions per place. [2020-10-06 19:30:25,717 INFO L117 LiptonReduction]: Number of co-enabled transitions 33840 [2020-10-06 19:30:26,846 INFO L132 LiptonReduction]: Checked pairs total: 53627 [2020-10-06 19:30:26,846 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-06 19:30:26,853 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 387 places, 290 transitions, 964 flow Received shutdown request... [2020-10-06 19:44:00,388 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-06 19:44:00,391 WARN L235 ceAbstractionStarter]: Timeout [2020-10-06 19:44:00,391 INFO L202 PluginConnector]: Adding new model example2_N=48.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 07:44:00 BasicIcfg [2020-10-06 19:44:00,392 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 19:44:00,395 INFO L168 Benchmark]: Toolchain (without parser) took 816806.10 ms. Allocated memory was 253.2 MB in the beginning and 8.6 GB in the end (delta: 8.3 GB). Free memory was 224.6 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 7.4 GB. Max. memory is 14.2 GB. [2020-10-06 19:44:00,395 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 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 19:44:00,396 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.59 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 19:44:00,404 INFO L168 Benchmark]: Boogie Preprocessor took 63.99 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 19:44:00,405 INFO L168 Benchmark]: RCFGBuilder took 705.37 ms. Allocated memory is still 253.2 MB. Free memory was 219.5 MB in the beginning and 176.6 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 14.2 GB. [2020-10-06 19:44:00,406 INFO L168 Benchmark]: TraceAbstraction took 815989.52 ms. Allocated memory was 253.2 MB in the beginning and 8.6 GB in the end (delta: 8.3 GB). Free memory was 176.6 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 7.3 GB. Max. memory is 14.2 GB. [2020-10-06 19:44:00,415 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 227.1 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 42.59 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 63.99 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 705.37 ms. Allocated memory is still 253.2 MB. Free memory was 219.5 MB in the beginning and 176.6 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 14.2 GB. * TraceAbstraction took 815989.52 ms. Allocated memory was 253.2 MB in the beginning and 8.6 GB in the end (delta: 8.3 GB). Free memory was 176.6 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 7.3 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 9119 VarBasedMoverChecksPositive, 235 VarBasedMoverChecksNegative, 141 SemBasedMoverChecksPositive, 94 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.8s, 9164 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.3s, 389 PlacesBefore, 387 PlacesAfterwards, 292 TransitionsBefore, 290 TransitionsAfterwards, 33840 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 53627 MoverChecksTotal - TimeoutResultAtElement [Line: 106]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 106). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 387 places, 290 transitions, 964 flow. Already constructed 851077 states. Currently 425548 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 814.9s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 814.9s, 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