/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=34.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-50b6972 [2020-10-06 19:03:10,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 19:03:10,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 19:03:10,783 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 19:03:10,783 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 19:03:10,785 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 19:03:10,786 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 19:03:10,788 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 19:03:10,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 19:03:10,790 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 19:03:10,791 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 19:03:10,792 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 19:03:10,792 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 19:03:10,793 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 19:03:10,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 19:03:10,795 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 19:03:10,796 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 19:03:10,797 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 19:03:10,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 19:03:10,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 19:03:10,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 19:03:10,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 19:03:10,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 19:03:10,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 19:03:10,808 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-06 19:03:10,809 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-06 19:03:10,809 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-06 19:03:10,810 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-06 19:03:10,811 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-06 19:03:10,812 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-06 19:03:10,812 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 19:03:10,813 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 19:03:10,813 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 19:03:10,814 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 19:03:10,815 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 19:03:10,816 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 19:03:10,816 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 19:03:10,816 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 19:03:10,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 19:03:10,818 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 19:03:10,818 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 19:03:10,819 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 19:03:10,843 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 19:03:10,843 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 19:03:10,844 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 19:03:10,845 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 19:03:10,845 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 19:03:10,845 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 19:03:10,845 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 19:03:10,845 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 19:03:10,846 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 19:03:10,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 19:03:10,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 19:03:10,846 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 19:03:10,846 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 19:03:10,847 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 19:03:10,847 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 19:03:10,847 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 19:03:10,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 19:03:10,847 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 19:03:10,848 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 19:03:10,848 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 19:03:10,848 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 19:03:10,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 19:03:10,848 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 19:03:10,849 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-06 19:03:10,849 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 19:03:10,849 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 19:03:10,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 19:03:10,849 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 19:03:10,849 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-06 19:03:10,850 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-06 19:03:11,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 19:03:11,146 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 19:03:11,150 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 19:03:11,151 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-06 19:03:11,152 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-06 19:03:11,153 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=34.bpl [2020-10-06 19:03:11,153 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=34.bpl' [2020-10-06 19:03:11,210 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 19:03:11,212 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-06 19:03:11,213 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 19:03:11,213 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 19:03:11,213 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 19:03:11,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=34.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:11" (1/1) ... [2020-10-06 19:03:11,243 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=34.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:11" (1/1) ... [2020-10-06 19:03:11,254 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 19:03:11,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 19:03:11,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 19:03:11,255 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 19:03:11,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=34.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:11" (1/1) ... [2020-10-06 19:03:11,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=34.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:11" (1/1) ... [2020-10-06 19:03:11,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=34.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:11" (1/1) ... [2020-10-06 19:03:11,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=34.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:11" (1/1) ... [2020-10-06 19:03:11,281 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=34.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:11" (1/1) ... [2020-10-06 19:03:11,291 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=34.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:11" (1/1) ... [2020-10-06 19:03:11,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=34.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:11" (1/1) ... [2020-10-06 19:03:11,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 19:03:11,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 19:03:11,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 19:03:11,300 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 19:03:11,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=34.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:11" (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 19:03:11,374 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-06 19:03:11,375 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-06 19:03:11,375 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-06 19:03:11,375 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-06 19:03:11,375 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-06 19:03:11,375 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-06 19:03:11,376 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-06 19:03:11,376 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-06 19:03:11,376 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-06 19:03:11,376 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-06 19:03:11,377 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-06 19:03:11,377 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-06 19:03:11,377 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-06 19:03:11,377 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-06 19:03:11,377 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-06 19:03:11,378 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-06 19:03:11,378 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-06 19:03:11,378 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-06 19:03:11,378 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-06 19:03:11,378 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-06 19:03:11,379 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-06 19:03:11,379 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-06 19:03:11,379 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-06 19:03:11,379 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-06 19:03:11,379 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-06 19:03:11,380 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-06 19:03:11,380 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-06 19:03:11,380 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-06 19:03:11,380 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-06 19:03:11,380 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-06 19:03:11,381 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-06 19:03:11,381 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-06 19:03:11,381 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-06 19:03:11,381 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-06 19:03:11,381 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-06 19:03:11,381 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-06 19:03:11,382 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-06 19:03:11,382 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-06 19:03:11,382 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-06 19:03:11,382 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-06 19:03:11,383 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-06 19:03:11,383 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-06 19:03:11,383 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-06 19:03:11,383 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-06 19:03:11,383 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-06 19:03:11,384 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-06 19:03:11,384 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-06 19:03:11,384 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-06 19:03:11,384 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-06 19:03:11,384 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-06 19:03:11,385 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-06 19:03:11,385 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-06 19:03:11,385 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-06 19:03:11,385 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-06 19:03:11,385 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-06 19:03:11,386 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-06 19:03:11,386 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-06 19:03:11,386 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-06 19:03:11,386 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-06 19:03:11,386 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-06 19:03:11,387 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-06 19:03:11,387 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-06 19:03:11,387 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-06 19:03:11,387 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-06 19:03:11,388 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-06 19:03:11,388 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-06 19:03:11,388 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-06 19:03:11,388 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-06 19:03:11,388 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-06 19:03:11,389 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-06 19:03:11,389 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-06 19:03:11,389 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-06 19:03:11,389 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-06 19:03:11,390 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-06 19:03:11,390 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-06 19:03:11,390 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-06 19:03:11,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 19:03:11,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 19:03:11,391 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-06 19:03:11,391 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-06 19:03:11,391 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-06 19:03:11,391 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-06 19:03:11,391 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-06 19:03:11,392 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-06 19:03:11,392 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-10-06 19:03:11,392 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-10-06 19:03:11,392 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-10-06 19:03:11,392 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-06 19:03:11,393 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-06 19:03:11,393 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-06 19:03:11,393 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-10-06 19:03:11,393 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-10-06 19:03:11,393 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-10-06 19:03:11,394 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-10-06 19:03:11,394 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-10-06 19:03:11,394 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-10-06 19:03:11,394 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-06 19:03:11,394 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-06 19:03:11,394 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-06 19:03:11,395 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-10-06 19:03:11,395 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-10-06 19:03:11,395 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-10-06 19:03:11,395 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-06 19:03:11,395 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-06 19:03:11,396 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-06 19:03:11,397 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 19:03:11,865 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 19:03:11,866 INFO L298 CfgBuilder]: Removed 34 assume(true) statements. [2020-10-06 19:03:11,868 INFO L202 PluginConnector]: Adding new model example2_N=34.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 07:03:11 BoogieIcfgContainer [2020-10-06 19:03:11,868 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 19:03:11,869 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 19:03:11,869 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 19:03:11,875 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 19:03:11,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=34.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:11" (1/2) ... [2020-10-06 19:03:11,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e7c58a2 and model type example2_N=34.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 07:03:11, skipping insertion in model container [2020-10-06 19:03:11,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=34.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 07:03:11" (2/2) ... [2020-10-06 19:03:11,879 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=34.bpl [2020-10-06 19:03:11,890 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 19:03:11,891 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-06 19:03:11,898 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 19:03:11,899 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 19:03:12,626 INFO L253 AbstractCegarLoop]: Starting to check reachability of 35 error locations. [2020-10-06 19:03:12,649 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-06 19:03:12,649 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-06 19:03:12,649 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-06 19:03:12,649 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-06 19:03:12,650 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 19:03:12,650 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-06 19:03:12,650 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 19:03:12,650 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 19:03:12,669 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-06 19:03:12,671 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 277 places, 208 transitions, 688 flow [2020-10-06 19:03:12,674 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 277 places, 208 transitions, 688 flow [2020-10-06 19:03:12,676 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 277 places, 208 transitions, 688 flow [2020-10-06 19:03:12,846 INFO L129 PetriNetUnfolder]: 34/174 cut-off events. [2020-10-06 19:03:12,846 INFO L130 PetriNetUnfolder]: For 34/34 co-relation queries the response was YES. [2020-10-06 19:03:12,860 INFO L80 FinitePrefix]: Finished finitePrefix Result has 311 conditions, 174 events. 34/174 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 221 event pairs, 0 based on Foata normal form. 0/139 useless extension candidates. Maximal degree in co-relation 201. Up to 2 conditions per place. [2020-10-06 19:03:12,876 INFO L117 LiptonReduction]: Number of co-enabled transitions 16830 [2020-10-06 19:03:13,754 INFO L132 LiptonReduction]: Checked pairs total: 26565 [2020-10-06 19:03:13,754 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-06 19:03:13,761 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 275 places, 206 transitions, 684 flow Received shutdown request... [2020-10-06 19:16:55,494 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-06 19:16:55,499 WARN L235 ceAbstractionStarter]: Timeout [2020-10-06 19:16:55,499 INFO L202 PluginConnector]: Adding new model example2_N=34.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 07:16:55 BasicIcfg [2020-10-06 19:16:55,499 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 19:16:55,505 INFO L168 Benchmark]: Toolchain (without parser) took 824289.35 ms. Allocated memory was 249.0 MB in the beginning and 8.2 GB in the end (delta: 7.9 GB). Free memory was 222.9 MB in the beginning and 3.1 GB in the end (delta: -2.8 GB). Peak memory consumption was 7.0 GB. Max. memory is 14.2 GB. [2020-10-06 19:16:55,506 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 249.0 MB. Free memory is still 225.4 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 19:16:55,508 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.24 ms. Allocated memory is still 249.0 MB. Free memory was 222.9 MB in the beginning and 220.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-06 19:16:55,509 INFO L168 Benchmark]: Boogie Preprocessor took 44.85 ms. Allocated memory is still 249.0 MB. Free memory is still 220.4 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 19:16:55,510 INFO L168 Benchmark]: RCFGBuilder took 568.41 ms. Allocated memory is still 249.0 MB. Free memory was 220.4 MB in the beginning and 187.6 MB in the end (delta: 32.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 14.2 GB. [2020-10-06 19:16:55,515 INFO L168 Benchmark]: TraceAbstraction took 823630.34 ms. Allocated memory was 249.0 MB in the beginning and 8.2 GB in the end (delta: 7.9 GB). Free memory was 185.1 MB in the beginning and 3.1 GB in the end (delta: -2.9 GB). Peak memory consumption was 7.0 GB. Max. memory is 14.2 GB. [2020-10-06 19:16:55,523 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 0.21 ms. Allocated memory is still 249.0 MB. Free memory is still 225.4 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 41.24 ms. Allocated memory is still 249.0 MB. Free memory was 222.9 MB in the beginning and 220.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 44.85 ms. Allocated memory is still 249.0 MB. Free memory is still 220.4 MB. There was no memory consumed. Max. memory is 14.2 GB. * RCFGBuilder took 568.41 ms. Allocated memory is still 249.0 MB. Free memory was 220.4 MB in the beginning and 187.6 MB in the end (delta: 32.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 14.2 GB. * TraceAbstraction took 823630.34 ms. Allocated memory was 249.0 MB in the beginning and 8.2 GB in the end (delta: 7.9 GB). Free memory was 185.1 MB in the beginning and 3.1 GB in the end (delta: -2.9 GB). Peak memory consumption was 7.0 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 4522 VarBasedMoverChecksPositive, 165 VarBasedMoverChecksNegative, 99 SemBasedMoverChecksPositive, 66 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 4554 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.0s, 277 PlacesBefore, 275 PlacesAfterwards, 208 TransitionsBefore, 206 TransitionsAfterwards, 16830 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 26565 MoverChecksTotal - TimeoutResultAtElement [Line: 78]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 78). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 275 places, 206 transitions, 684 flow. Already constructed 813540 states. Currently 406774 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 175 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 822.8s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 822.8s, 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