/usr/bin/java -Xmx8000000000 -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=44.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b665a9c [2020-09-29 10:44:27,032 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-29 10:44:27,035 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-29 10:44:27,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-29 10:44:27,062 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-29 10:44:27,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-29 10:44:27,065 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-29 10:44:27,067 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-29 10:44:27,069 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-29 10:44:27,070 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-29 10:44:27,071 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-29 10:44:27,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-29 10:44:27,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-29 10:44:27,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-29 10:44:27,075 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-29 10:44:27,076 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-29 10:44:27,077 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-29 10:44:27,078 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-29 10:44:27,080 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-29 10:44:27,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-29 10:44:27,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-29 10:44:27,085 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-29 10:44:27,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-29 10:44:27,087 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-29 10:44:27,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-29 10:44:27,090 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-29 10:44:27,090 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-29 10:44:27,091 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-29 10:44:27,092 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-29 10:44:27,093 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-29 10:44:27,093 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-29 10:44:27,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-29 10:44:27,095 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-29 10:44:27,096 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-29 10:44:27,097 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-29 10:44:27,097 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-29 10:44:27,098 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-29 10:44:27,098 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-29 10:44:27,099 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-29 10:44:27,100 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-29 10:44:27,101 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-29 10:44:27,102 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 [2020-09-29 10:44:27,140 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-29 10:44:27,140 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-29 10:44:27,141 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-29 10:44:27,142 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-29 10:44:27,142 INFO L138 SettingsManager]: * Use SBE=true [2020-09-29 10:44:27,142 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-29 10:44:27,143 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-29 10:44:27,143 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-29 10:44:27,143 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-29 10:44:27,143 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-29 10:44:27,143 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-29 10:44:27,145 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-29 10:44:27,145 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-29 10:44:27,145 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-29 10:44:27,146 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-29 10:44:27,146 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-29 10:44:27,147 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-29 10:44:27,147 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-29 10:44:27,147 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-29 10:44:27,147 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-29 10:44:27,147 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-29 10:44:27,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-29 10:44:27,148 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-29 10:44:27,148 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-29 10:44:27,148 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-29 10:44:27,148 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-29 10:44:27,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-29 10:44:27,149 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-29 10:44:27,149 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-29 10:44:27,149 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-29 10:44:27,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-29 10:44:27,644 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-29 10:44:27,648 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-29 10:44:27,650 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-09-29 10:44:27,651 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-09-29 10:44:27,652 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=44.bpl [2020-09-29 10:44:27,653 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=44.bpl' [2020-09-29 10:44:27,732 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-29 10:44:27,739 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-29 10:44:27,740 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-29 10:44:27,740 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-29 10:44:27,741 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-29 10:44:27,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=44.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:44:27" (1/1) ... [2020-09-29 10:44:27,794 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=44.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:44:27" (1/1) ... [2020-09-29 10:44:27,810 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-29 10:44:27,811 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-29 10:44:27,811 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-29 10:44:27,811 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-29 10:44:27,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=44.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:44:27" (1/1) ... [2020-09-29 10:44:27,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=44.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:44:27" (1/1) ... [2020-09-29 10:44:27,830 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=44.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:44:27" (1/1) ... [2020-09-29 10:44:27,831 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=44.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:44:27" (1/1) ... [2020-09-29 10:44:27,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=44.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:44:27" (1/1) ... [2020-09-29 10:44:27,872 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=44.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:44:27" (1/1) ... [2020-09-29 10:44:27,876 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=44.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:44:27" (1/1) ... [2020-09-29 10:44:27,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-29 10:44:27,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-29 10:44:27,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-29 10:44:27,883 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-29 10:44:27,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=44.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:44:27" (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 [2020-09-29 10:44:27,976 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-09-29 10:44:27,976 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-09-29 10:44:27,978 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-09-29 10:44:27,978 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-09-29 10:44:27,978 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-09-29 10:44:27,978 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-09-29 10:44:27,979 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread41 given in one single declaration [2020-09-29 10:44:27,979 INFO L130 BoogieDeclarations]: Found specification of procedure thread41 [2020-09-29 10:44:27,979 INFO L138 BoogieDeclarations]: Found implementation of procedure thread41 [2020-09-29 10:44:27,979 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread40 given in one single declaration [2020-09-29 10:44:27,979 INFO L130 BoogieDeclarations]: Found specification of procedure thread40 [2020-09-29 10:44:27,980 INFO L138 BoogieDeclarations]: Found implementation of procedure thread40 [2020-09-29 10:44:27,981 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-09-29 10:44:27,981 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-09-29 10:44:27,981 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-09-29 10:44:27,981 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-09-29 10:44:27,981 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-09-29 10:44:27,982 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-09-29 10:44:27,982 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-09-29 10:44:27,982 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-09-29 10:44:27,982 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-09-29 10:44:27,983 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-09-29 10:44:27,984 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-09-29 10:44:27,984 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-09-29 10:44:27,991 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread43 given in one single declaration [2020-09-29 10:44:27,992 INFO L130 BoogieDeclarations]: Found specification of procedure thread43 [2020-09-29 10:44:27,993 INFO L138 BoogieDeclarations]: Found implementation of procedure thread43 [2020-09-29 10:44:27,994 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-09-29 10:44:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-09-29 10:44:27,994 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-09-29 10:44:27,994 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread42 given in one single declaration [2020-09-29 10:44:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure thread42 [2020-09-29 10:44:27,994 INFO L138 BoogieDeclarations]: Found implementation of procedure thread42 [2020-09-29 10:44:27,995 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-09-29 10:44:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-09-29 10:44:27,996 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-09-29 10:44:27,996 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-09-29 10:44:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-09-29 10:44:27,997 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-09-29 10:44:27,997 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread44 given in one single declaration [2020-09-29 10:44:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure thread44 [2020-09-29 10:44:27,998 INFO L138 BoogieDeclarations]: Found implementation of procedure thread44 [2020-09-29 10:44:27,998 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-09-29 10:44:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-09-29 10:44:27,998 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-09-29 10:44:27,999 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-09-29 10:44:27,999 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-09-29 10:44:27,999 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-09-29 10:44:27,999 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread39 given in one single declaration [2020-09-29 10:44:27,999 INFO L130 BoogieDeclarations]: Found specification of procedure thread39 [2020-09-29 10:44:27,999 INFO L138 BoogieDeclarations]: Found implementation of procedure thread39 [2020-09-29 10:44:28,000 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-09-29 10:44:28,001 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-09-29 10:44:28,001 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-09-29 10:44:28,001 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-09-29 10:44:28,001 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-09-29 10:44:28,001 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-09-29 10:44:28,002 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-09-29 10:44:28,002 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-09-29 10:44:28,002 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-09-29 10:44:28,003 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-09-29 10:44:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-09-29 10:44:28,003 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-09-29 10:44:28,003 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-09-29 10:44:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-09-29 10:44:28,003 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-09-29 10:44:28,004 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-09-29 10:44:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-09-29 10:44:28,005 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-09-29 10:44:28,005 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-09-29 10:44:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-09-29 10:44:28,006 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-09-29 10:44:28,006 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-09-29 10:44:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-09-29 10:44:28,006 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-09-29 10:44:28,006 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-09-29 10:44:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-09-29 10:44:28,007 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-09-29 10:44:28,007 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-09-29 10:44:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-09-29 10:44:28,007 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-09-29 10:44:28,008 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-09-29 10:44:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-09-29 10:44:28,008 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-09-29 10:44:28,009 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-09-29 10:44:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-09-29 10:44:28,009 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-09-29 10:44:28,010 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread36 given in one single declaration [2020-09-29 10:44:28,010 INFO L130 BoogieDeclarations]: Found specification of procedure thread36 [2020-09-29 10:44:28,010 INFO L138 BoogieDeclarations]: Found implementation of procedure thread36 [2020-09-29 10:44:28,010 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-09-29 10:44:28,011 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-09-29 10:44:28,011 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-09-29 10:44:28,011 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread35 given in one single declaration [2020-09-29 10:44:28,011 INFO L130 BoogieDeclarations]: Found specification of procedure thread35 [2020-09-29 10:44:28,011 INFO L138 BoogieDeclarations]: Found implementation of procedure thread35 [2020-09-29 10:44:28,012 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-09-29 10:44:28,012 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-09-29 10:44:28,012 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-09-29 10:44:28,012 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-09-29 10:44:28,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-29 10:44:28,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-29 10:44:28,013 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread38 given in one single declaration [2020-09-29 10:44:28,013 INFO L130 BoogieDeclarations]: Found specification of procedure thread38 [2020-09-29 10:44:28,013 INFO L138 BoogieDeclarations]: Found implementation of procedure thread38 [2020-09-29 10:44:28,013 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-09-29 10:44:28,013 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-09-29 10:44:28,014 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-09-29 10:44:28,015 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread37 given in one single declaration [2020-09-29 10:44:28,015 INFO L130 BoogieDeclarations]: Found specification of procedure thread37 [2020-09-29 10:44:28,018 INFO L138 BoogieDeclarations]: Found implementation of procedure thread37 [2020-09-29 10:44:28,018 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-09-29 10:44:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-09-29 10:44:28,019 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-09-29 10:44:28,019 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-09-29 10:44:28,019 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-09-29 10:44:28,019 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-09-29 10:44:28,020 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-09-29 10:44:28,020 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-09-29 10:44:28,020 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-09-29 10:44:28,020 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-09-29 10:44:28,020 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-09-29 10:44:28,020 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-09-29 10:44:28,021 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-09-29 10:44:28,021 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-09-29 10:44:28,021 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-09-29 10:44:28,021 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-09-29 10:44:28,021 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-09-29 10:44:28,021 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-09-29 10:44:28,022 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-09-29 10:44:28,023 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-09-29 10:44:28,023 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-09-29 10:44:28,023 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-09-29 10:44:28,024 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-09-29 10:44:28,024 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-09-29 10:44:28,027 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-29 10:44:28,512 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-29 10:44:28,512 INFO L298 CfgBuilder]: Removed 44 assume(true) statements. [2020-09-29 10:44:28,518 INFO L202 PluginConnector]: Adding new model example2_N=44.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 10:44:28 BoogieIcfgContainer [2020-09-29 10:44:28,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-29 10:44:28,520 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-29 10:44:28,520 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-29 10:44:28,523 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-29 10:44:28,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=44.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:44:27" (1/2) ... [2020-09-29 10:44:28,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@653427a3 and model type example2_N=44.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 10:44:28, skipping insertion in model container [2020-09-29 10:44:28,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=44.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 10:44:28" (2/2) ... [2020-09-29 10:44:28,528 INFO L109 eAbstractionObserver]: Analyzing ICFG example2_N=44.bpl [2020-09-29 10:44:28,542 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-29 10:44:28,543 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-29 10:44:28,555 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-29 10:44:28,556 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-29 10:44:29,488 INFO L251 AbstractCegarLoop]: Starting to check reachability of 45 error locations. [2020-09-29 10:44:29,519 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-29 10:44:29,519 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-29 10:44:29,519 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-29 10:44:29,520 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-29 10:44:29,520 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-29 10:44:29,520 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-29 10:44:29,520 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-29 10:44:29,520 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-29 10:44:29,550 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 313 places, 224 transitions, 800 flow [2020-09-29 10:44:29,553 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 313 places, 224 transitions, 800 flow [2020-09-29 10:44:29,749 INFO L129 PetriNetUnfolder]: 44/180 cut-off events. [2020-09-29 10:44:29,749 INFO L130 PetriNetUnfolder]: For 44/44 co-relation queries the response was YES. [2020-09-29 10:44:29,764 INFO L80 FinitePrefix]: Finished finitePrefix Result has 357 conditions, 180 events. 44/180 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 127 event pairs, 0 based on Foata normal form. 0/135 useless extension candidates. Maximal degree in co-relation 217. Up to 2 conditions per place. [2020-09-29 10:44:29,781 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 313 places, 224 transitions, 800 flow [2020-09-29 10:44:29,885 INFO L129 PetriNetUnfolder]: 44/180 cut-off events. [2020-09-29 10:44:29,885 INFO L130 PetriNetUnfolder]: For 44/44 co-relation queries the response was YES. [2020-09-29 10:44:29,889 INFO L80 FinitePrefix]: Finished finitePrefix Result has 357 conditions, 180 events. 44/180 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 127 event pairs, 0 based on Foata normal form. 0/135 useless extension candidates. Maximal degree in co-relation 217. Up to 2 conditions per place. [2020-09-29 10:44:29,903 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 15136 [2020-09-29 10:44:29,905 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-29 10:44:30,113 INFO L206 etLargeBlockEncoding]: Checked pairs total: 0 [2020-09-29 10:44:30,113 INFO L214 etLargeBlockEncoding]: Total number of compositions: 1 [2020-09-29 10:44:30,118 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 312 places, 223 transitions, 798 flow