/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/automizer/concurrent/VMCAI2021_FA.epf -i ../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=24.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-08 15:08:56,777 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-08 15:08:56,779 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-08 15:08:56,806 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-08 15:08:56,807 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-08 15:08:56,808 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-08 15:08:56,809 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-08 15:08:56,811 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-08 15:08:56,813 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-08 15:08:56,814 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-08 15:08:56,814 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-08 15:08:56,816 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-08 15:08:56,816 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-08 15:08:56,817 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-08 15:08:56,818 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-08 15:08:56,819 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-08 15:08:56,820 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-08 15:08:56,821 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-08 15:08:56,823 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-08 15:08:56,825 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-08 15:08:56,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-08 15:08:56,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-08 15:08:56,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-08 15:08:56,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-08 15:08:56,833 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-08 15:08:56,833 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-08 15:08:56,833 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-08 15:08:56,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-08 15:08:56,835 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-08 15:08:56,836 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-08 15:08:56,836 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-08 15:08:56,837 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-08 15:08:56,838 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-08 15:08:56,839 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-08 15:08:56,840 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-08 15:08:56,840 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-08 15:08:56,841 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-08 15:08:56,842 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-08 15:08:56,842 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-08 15:08:56,843 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-08 15:08:56,844 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-08 15:08:56,844 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_FA.epf [2020-10-08 15:08:56,870 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-08 15:08:56,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-08 15:08:56,872 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-08 15:08:56,872 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-08 15:08:56,872 INFO L138 SettingsManager]: * Use SBE=true [2020-10-08 15:08:56,872 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-08 15:08:56,872 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-08 15:08:56,873 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-08 15:08:56,873 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-08 15:08:56,873 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-08 15:08:56,873 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-08 15:08:56,873 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-08 15:08:56,874 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-08 15:08:56,874 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-08 15:08:56,874 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-08 15:08:56,874 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-08 15:08:56,874 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-08 15:08:56,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-08 15:08:56,875 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-08 15:08:56,875 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-08 15:08:56,875 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-08 15:08:56,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 15:08:56,876 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-08 15:08:56,876 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-08 15:08:56,876 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-08 15:08:56,876 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-10-08 15:08:56,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-08 15:08:56,877 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-10-08 15:08:56,877 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-08 15:08:56,877 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-08 15:08:57,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-08 15:08:57,182 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-08 15:08:57,185 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-08 15:08:57,187 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-08 15:08:57,187 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-08 15:08:57,188 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=24.bpl [2020-10-08 15:08:57,188 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=24.bpl' [2020-10-08 15:08:57,238 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-08 15:08:57,239 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-08 15:08:57,240 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-08 15:08:57,240 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-08 15:08:57,240 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-08 15:08:57,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:08:57" (1/1) ... [2020-10-08 15:08:57,266 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:08:57" (1/1) ... [2020-10-08 15:08:57,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-08 15:08:57,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-08 15:08:57,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-08 15:08:57,278 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-08 15:08:57,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:08:57" (1/1) ... [2020-10-08 15:08:57,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:08:57" (1/1) ... [2020-10-08 15:08:57,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:08:57" (1/1) ... [2020-10-08 15:08:57,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:08:57" (1/1) ... [2020-10-08 15:08:57,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:08:57" (1/1) ... [2020-10-08 15:08:57,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:08:57" (1/1) ... [2020-10-08 15:08:57,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:08:57" (1/1) ... [2020-10-08 15:08:57,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-08 15:08:57,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-08 15:08:57,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-08 15:08:57,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-08 15:08:57,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:08:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 15:08:57,384 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-08 15:08:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-08 15:08:57,385 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-08 15:08:57,385 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-08 15:08:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-08 15:08:57,386 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-08 15:08:57,386 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-08 15:08:57,386 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-08 15:08:57,386 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-08 15:08:57,386 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-08 15:08:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-08 15:08:57,387 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-08 15:08:57,387 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-08 15:08:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-08 15:08:57,387 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-08 15:08:57,388 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-08 15:08:57,388 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-08 15:08:57,388 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-08 15:08:57,388 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-08 15:08:57,388 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-08 15:08:57,389 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-08 15:08:57,389 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-08 15:08:57,389 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-08 15:08:57,389 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-08 15:08:57,389 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-08 15:08:57,390 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-08 15:08:57,390 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-08 15:08:57,390 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-08 15:08:57,390 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-08 15:08:57,390 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-08 15:08:57,391 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-08 15:08:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-08 15:08:57,391 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-08 15:08:57,391 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-08 15:08:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-08 15:08:57,392 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-08 15:08:57,392 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-08 15:08:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-08 15:08:57,392 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-08 15:08:57,393 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-08 15:08:57,393 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-08 15:08:57,393 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-08 15:08:57,393 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-08 15:08:57,393 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-08 15:08:57,394 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-08 15:08:57,394 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-08 15:08:57,394 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-08 15:08:57,394 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-08 15:08:57,394 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-08 15:08:57,395 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-08 15:08:57,395 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-08 15:08:57,395 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-08 15:08:57,395 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-08 15:08:57,395 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-08 15:08:57,396 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-08 15:08:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-08 15:08:57,396 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-08 15:08:57,396 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-08 15:08:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-08 15:08:57,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-08 15:08:57,397 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-08 15:08:57,397 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-08 15:08:57,397 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-08 15:08:57,397 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-08 15:08:57,397 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-08 15:08:57,397 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-08 15:08:57,398 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-08 15:08:57,398 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-08 15:08:57,398 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-08 15:08:57,398 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-08 15:08:57,398 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-08 15:08:57,399 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-08 15:08:57,399 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-08 15:08:57,399 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-08 15:08:57,399 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-08 15:08:57,400 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-08 15:08:57,845 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-08 15:08:57,845 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-10-08 15:08:57,850 INFO L202 PluginConnector]: Adding new model example2_N=24.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 03:08:57 BoogieIcfgContainer [2020-10-08 15:08:57,850 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-08 15:08:57,851 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-08 15:08:57,852 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-08 15:08:57,859 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-08 15:08:57,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:08:57" (1/2) ... [2020-10-08 15:08:57,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c828806 and model type example2_N=24.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 03:08:57, skipping insertion in model container [2020-10-08 15:08:57,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 03:08:57" (2/2) ... [2020-10-08 15:08:57,865 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=24.bpl [2020-10-08 15:08:57,878 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-08 15:08:57,878 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-08 15:08:57,889 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-08 15:08:57,890 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-08 15:08:58,372 INFO L253 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2020-10-08 15:08:58,394 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-08 15:08:58,395 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-08 15:08:58,395 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-08 15:08:58,395 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-08 15:08:58,395 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-08 15:08:58,395 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-08 15:08:58,396 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-08 15:08:58,396 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-08 15:08:58,420 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 197 places, 148 transitions, 488 flow Received shutdown request... [2020-10-08 15:22:28,535 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-08 15:22:28,541 WARN L235 ceAbstractionStarter]: Timeout [2020-10-08 15:22:28,542 INFO L202 PluginConnector]: Adding new model example2_N=24.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 03:22:28 BasicIcfg [2020-10-08 15:22:28,542 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-08 15:22:28,546 INFO L168 Benchmark]: Toolchain (without parser) took 811305.09 ms. Allocated memory was 251.1 MB in the beginning and 7.0 GB in the end (delta: 6.8 GB). Free memory was 224.2 MB in the beginning and 1.7 GB in the end (delta: -1.5 GB). Peak memory consumption was 6.4 GB. Max. memory is 14.2 GB. [2020-10-08 15:22:28,548 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 251.1 MB. Free memory is still 225.8 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 15:22:28,550 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.59 ms. Allocated memory is still 251.1 MB. Free memory was 224.2 MB in the beginning and 222.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-08 15:22:28,552 INFO L168 Benchmark]: Boogie Preprocessor took 36.45 ms. Allocated memory is still 251.1 MB. Free memory was 222.4 MB in the beginning and 220.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-08 15:22:28,554 INFO L168 Benchmark]: RCFGBuilder took 535.61 ms. Allocated memory is still 251.1 MB. Free memory was 220.7 MB in the beginning and 194.4 MB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 14.2 GB. [2020-10-08 15:22:28,555 INFO L168 Benchmark]: TraceAbstraction took 810690.83 ms. Allocated memory was 251.1 MB in the beginning and 7.0 GB in the end (delta: 6.8 GB). Free memory was 194.4 MB in the beginning and 1.7 GB in the end (delta: -1.5 GB). Peak memory consumption was 6.4 GB. Max. memory is 14.2 GB. [2020-10-08 15:22:28,566 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 0.22 ms. Allocated memory is still 251.1 MB. Free memory is still 225.8 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 37.59 ms. Allocated memory is still 251.1 MB. Free memory was 224.2 MB in the beginning and 222.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 36.45 ms. Allocated memory is still 251.1 MB. Free memory was 222.4 MB in the beginning and 220.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * RCFGBuilder took 535.61 ms. Allocated memory is still 251.1 MB. Free memory was 220.7 MB in the beginning and 194.4 MB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 14.2 GB. * TraceAbstraction took 810690.83 ms. Allocated memory was 251.1 MB in the beginning and 7.0 GB in the end (delta: 6.8 GB). Free memory was 194.4 MB in the beginning and 1.7 GB in the end (delta: -1.5 GB). Peak memory consumption was 6.4 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 58). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 197 places, 148 transitions, 488 flow. Already constructed 862362 states. Currently 431183 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 125 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 810.1s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 810.1s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown