./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-ext/09_fmaxsym.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8d31f386 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-ext/09_fmaxsym.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 704ac246e9224218bad16a2cd21deb9d893caecd ........................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-ext/09_fmaxsym.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 704ac246e9224218bad16a2cd21deb9d893caecd ................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-05 15:23:25,689 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-05 15:23:25,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-05 15:23:25,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-05 15:23:25,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-05 15:23:25,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-05 15:23:25,724 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-05 15:23:25,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-05 15:23:25,730 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-05 15:23:25,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-05 15:23:25,731 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-05 15:23:25,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-05 15:23:25,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-05 15:23:25,741 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-05 15:23:25,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-05 15:23:25,743 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-05 15:23:25,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-05 15:23:25,746 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-05 15:23:25,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-05 15:23:25,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-05 15:23:25,750 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-05 15:23:25,753 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-05 15:23:25,753 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-05 15:23:25,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-05 15:23:25,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-05 15:23:25,758 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-05 15:23:25,758 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-05 15:23:25,759 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-05 15:23:25,760 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-05 15:23:25,760 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-05 15:23:25,761 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-05 15:23:25,761 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-05 15:23:25,762 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-05 15:23:25,764 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-05 15:23:25,765 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-05 15:23:25,765 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-05 15:23:25,765 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-05 15:23:25,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-05 15:23:25,766 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-05 15:23:25,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-05 15:23:25,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-05 15:23:25,768 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-07-05 15:23:25,792 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-05 15:23:25,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-05 15:23:25,794 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-05 15:23:25,794 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-05 15:23:25,794 INFO L138 SettingsManager]: * Use SBE=true [2021-07-05 15:23:25,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-05 15:23:25,794 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-05 15:23:25,795 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-05 15:23:25,795 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-05 15:23:25,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-05 15:23:25,796 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-05 15:23:25,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-05 15:23:25,796 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-05 15:23:25,796 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-05 15:23:25,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-05 15:23:25,797 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-05 15:23:25,797 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-05 15:23:25,797 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-05 15:23:25,797 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-05 15:23:25,797 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-05 15:23:25,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 15:23:25,797 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-05 15:23:25,798 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-05 15:23:25,798 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-05 15:23:25,798 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-05 15:23:25,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-05 15:23:25,798 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-05 15:23:25,798 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-05 15:23:25,798 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 704ac246e9224218bad16a2cd21deb9d893caecd [2021-07-05 15:23:26,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-05 15:23:26,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-05 15:23:26,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-05 15:23:26,045 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-05 15:23:26,045 INFO L275 PluginConnector]: CDTParser initialized [2021-07-05 15:23:26,046 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/09_fmaxsym.i [2021-07-05 15:23:26,087 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b133f9abc/ff89e882bf3a4f4dadc8551cab271056/FLAG4c22bbe3b [2021-07-05 15:23:26,483 INFO L306 CDTParser]: Found 1 translation units. [2021-07-05 15:23:26,484 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/09_fmaxsym.i [2021-07-05 15:23:26,493 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b133f9abc/ff89e882bf3a4f4dadc8551cab271056/FLAG4c22bbe3b [2021-07-05 15:23:26,511 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b133f9abc/ff89e882bf3a4f4dadc8551cab271056 [2021-07-05 15:23:26,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-05 15:23:26,514 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-05 15:23:26,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-05 15:23:26,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-05 15:23:26,519 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-05 15:23:26,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 03:23:26" (1/1) ... [2021-07-05 15:23:26,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b0e87b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:23:26, skipping insertion in model container [2021-07-05 15:23:26,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 03:23:26" (1/1) ... [2021-07-05 15:23:26,524 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-05 15:23:26,562 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-05 15:23:26,841 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/09_fmaxsym.i[30422,30435] [2021-07-05 15:23:26,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 15:23:26,855 INFO L203 MainTranslator]: Completed pre-run [2021-07-05 15:23:26,884 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/09_fmaxsym.i[30422,30435] [2021-07-05 15:23:26,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 15:23:26,943 INFO L208 MainTranslator]: Completed translation [2021-07-05 15:23:26,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:23:26 WrapperNode [2021-07-05 15:23:26,943 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-05 15:23:26,944 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-05 15:23:26,945 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-05 15:23:26,945 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-05 15:23:26,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:23:26" (1/1) ... [2021-07-05 15:23:26,972 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:23:26" (1/1) ... [2021-07-05 15:23:26,992 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-05 15:23:26,993 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-05 15:23:26,993 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-05 15:23:26,994 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-05 15:23:26,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:23:26" (1/1) ... [2021-07-05 15:23:26,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:23:26" (1/1) ... [2021-07-05 15:23:27,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:23:26" (1/1) ... [2021-07-05 15:23:27,003 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:23:26" (1/1) ... [2021-07-05 15:23:27,016 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:23:26" (1/1) ... [2021-07-05 15:23:27,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:23:26" (1/1) ... [2021-07-05 15:23:27,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:23:26" (1/1) ... [2021-07-05 15:23:27,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-05 15:23:27,030 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-05 15:23:27,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-05 15:23:27,030 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-05 15:23:27,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:23:26" (1/1) ... [2021-07-05 15:23:27,034 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 15:23:27,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 15:23:27,047 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-07-05 15:23:27,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-07-05 15:23:27,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-05 15:23:27,073 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-07-05 15:23:27,073 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-07-05 15:23:27,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-05 15:23:27,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-05 15:23:27,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-05 15:23:27,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-05 15:23:27,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-05 15:23:27,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-05 15:23:27,075 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-05 15:23:27,468 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-05 15:23:27,469 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-07-05 15:23:27,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 03:23:27 BoogieIcfgContainer [2021-07-05 15:23:27,471 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-05 15:23:27,472 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-05 15:23:27,472 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-05 15:23:27,474 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-05 15:23:27,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.07 03:23:26" (1/3) ... [2021-07-05 15:23:27,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40454ba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 03:23:27, skipping insertion in model container [2021-07-05 15:23:27,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:23:26" (2/3) ... [2021-07-05 15:23:27,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40454ba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 03:23:27, skipping insertion in model container [2021-07-05 15:23:27,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 03:23:27" (3/3) ... [2021-07-05 15:23:27,476 INFO L111 eAbstractionObserver]: Analyzing ICFG 09_fmaxsym.i [2021-07-05 15:23:27,480 WARN L144 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-05 15:23:27,481 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-05 15:23:27,481 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-05 15:23:27,481 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-05 15:23:27,501 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,502 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,502 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,502 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,502 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,502 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,502 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,502 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,503 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,503 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,503 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,503 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,503 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,504 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,504 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,504 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,504 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,504 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,505 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,505 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,506 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,507 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,507 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,507 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,507 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,508 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,509 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,509 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,509 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,509 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,510 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,510 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#in~offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,510 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,510 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#in~offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,510 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,511 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,511 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,511 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,511 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,511 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,511 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,512 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,512 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,512 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,513 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#in~offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,513 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,514 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#in~offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,514 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,514 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,515 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,515 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,515 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,515 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,515 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,515 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,516 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,516 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,516 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,516 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,516 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,516 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,516 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,516 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,516 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,516 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,516 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,517 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,517 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,517 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,517 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,517 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,517 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,518 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,518 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,518 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,518 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,518 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,518 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,518 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,518 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,519 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,519 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,519 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,519 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,519 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,519 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,520 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,520 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,520 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,520 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,520 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,520 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,521 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,521 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,521 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,521 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,521 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,521 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,522 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,522 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,522 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,522 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,522 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,522 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,522 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,523 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,524 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#in~offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,524 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,524 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,524 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,524 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,525 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,525 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,525 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,525 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,525 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,525 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,525 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,526 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,526 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:27,527 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-05 15:23:27,551 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Err0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 15:23:27,555 INFO L329 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 15:23:27,555 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 15:23:27,562 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-07-05 15:23:27,567 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 70 transitions, 145 flow [2021-07-05 15:23:27,569 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 70 transitions, 145 flow [2021-07-05 15:23:27,570 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 70 transitions, 145 flow [2021-07-05 15:23:27,586 INFO L129 PetriNetUnfolder]: 7/80 cut-off events. [2021-07-05 15:23:27,586 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-07-05 15:23:27,592 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 80 events. 7/80 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 62 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 49. Up to 4 conditions per place. [2021-07-05 15:23:27,595 INFO L116 LiptonReduction]: Number of co-enabled transitions 962 [2021-07-05 15:23:29,877 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2021-07-05 15:23:30,123 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2021-07-05 15:23:30,212 INFO L131 LiptonReduction]: Checked pairs total: 866 [2021-07-05 15:23:30,212 INFO L133 LiptonReduction]: Total number of compositions: 76 [2021-07-05 15:23:30,217 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 12 places, 10 transitions, 25 flow [2021-07-05 15:23:30,221 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 24 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 23 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 15:23:30,223 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 23 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 15:23:30,226 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 15:23:30,227 INFO L374 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 15:23:30,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 15:23:30,230 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramCache.addRun(PathProgramCache.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.StrategyFactory.constructStrategy(StrategyFactory.java:135) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.StrategyFactory.constructStrategy(StrategyFactory.java:119) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.isCounterexampleFeasibleInternal(AbstractCegarLoop.java:488) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:382) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:298) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:221) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-07-05 15:23:30,232 INFO L168 Benchmark]: Toolchain (without parser) took 3717.62 ms. Allocated memory was 67.1 MB in the beginning and 130.0 MB in the end (delta: 62.9 MB). Free memory was 48.6 MB in the beginning and 53.5 MB in the end (delta: -4.9 MB). Peak memory consumption was 57.4 MB. Max. memory is 16.1 GB. [2021-07-05 15:23:30,232 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 67.1 MB. Free memory is still 49.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 15:23:30,233 INFO L168 Benchmark]: CACSL2BoogieTranslator took 427.55 ms. Allocated memory was 67.1 MB in the beginning and 88.1 MB in the end (delta: 21.0 MB). Free memory was 48.3 MB in the beginning and 70.4 MB in the end (delta: -22.1 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. [2021-07-05 15:23:30,233 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.16 ms. Allocated memory is still 88.1 MB. Free memory was 70.4 MB in the beginning and 68.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-05 15:23:30,234 INFO L168 Benchmark]: Boogie Preprocessor took 36.03 ms. Allocated memory is still 88.1 MB. Free memory was 68.3 MB in the beginning and 67.2 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 15:23:30,234 INFO L168 Benchmark]: RCFGBuilder took 441.29 ms. Allocated memory is still 88.1 MB. Free memory was 67.2 MB in the beginning and 65.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. [2021-07-05 15:23:30,234 INFO L168 Benchmark]: TraceAbstraction took 2758.92 ms. Allocated memory was 88.1 MB in the beginning and 130.0 MB in the end (delta: 41.9 MB). Free memory was 65.6 MB in the beginning and 53.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 54.2 MB. Max. memory is 16.1 GB. [2021-07-05 15:23:30,236 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 67.1 MB. Free memory is still 49.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 427.55 ms. Allocated memory was 67.1 MB in the beginning and 88.1 MB in the end (delta: 21.0 MB). Free memory was 48.3 MB in the beginning and 70.4 MB in the end (delta: -22.1 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 48.16 ms. Allocated memory is still 88.1 MB. Free memory was 70.4 MB in the beginning and 68.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.03 ms. Allocated memory is still 88.1 MB. Free memory was 68.3 MB in the beginning and 67.2 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 441.29 ms. Allocated memory is still 88.1 MB. Free memory was 67.2 MB in the beginning and 65.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2758.92 ms. Allocated memory was 88.1 MB in the beginning and 130.0 MB in the end (delta: 41.9 MB). Free memory was 65.6 MB in the beginning and 53.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 54.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2643.7ms, 67 PlacesBefore, 12 PlacesAfterwards, 70 TransitionsBefore, 10 TransitionsAfterwards, 962 CoEnabledTransitionPairs, 5 FixpointIterations, 18 TrivialSequentialCompositions, 42 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 5 ChoiceCompositions, 76 TotalNumberOfCompositions, 866 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 798, positive: 784, positive conditional: 0, positive unconditional: 784, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 655, positive: 649, positive conditional: 0, positive unconditional: 649, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 655, positive: 649, positive conditional: 0, positive unconditional: 649, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 40, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 798, positive: 135, positive conditional: 0, positive unconditional: 135, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 655, unknown conditional: 0, unknown unconditional: 655] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 7, Positive conditional cache size: 0, Positive unconditional cache size: 7, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramCache.addRun(PathProgramCache.java:68) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-07-05 15:23:30,260 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-05 15:23:31,854 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-05 15:23:31,855 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-05 15:23:31,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-05 15:23:31,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-05 15:23:31,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-05 15:23:31,879 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-05 15:23:31,882 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-05 15:23:31,884 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-05 15:23:31,885 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-05 15:23:31,886 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-05 15:23:31,887 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-05 15:23:31,888 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-05 15:23:31,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-05 15:23:31,891 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-05 15:23:31,892 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-05 15:23:31,893 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-05 15:23:31,896 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-05 15:23:31,897 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-05 15:23:31,900 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-05 15:23:31,901 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-05 15:23:31,902 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-05 15:23:31,903 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-05 15:23:31,903 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-05 15:23:31,905 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-05 15:23:31,905 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-05 15:23:31,905 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-05 15:23:31,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-05 15:23:31,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-05 15:23:31,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-05 15:23:31,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-05 15:23:31,907 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-05 15:23:31,908 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-05 15:23:31,908 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-05 15:23:31,909 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-05 15:23:31,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-05 15:23:31,910 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-05 15:23:31,910 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-05 15:23:31,910 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-05 15:23:31,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-05 15:23:31,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-05 15:23:31,912 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-07-05 15:23:31,929 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-05 15:23:31,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-05 15:23:31,930 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-05 15:23:31,931 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-05 15:23:31,931 INFO L138 SettingsManager]: * Use SBE=true [2021-07-05 15:23:31,931 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-05 15:23:31,931 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-05 15:23:31,931 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-05 15:23:31,932 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-05 15:23:31,932 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-05 15:23:31,932 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-05 15:23:31,932 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-05 15:23:31,932 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-07-05 15:23:31,933 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-07-05 15:23:31,933 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-05 15:23:31,933 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-05 15:23:31,933 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-05 15:23:31,933 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-05 15:23:31,933 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-05 15:23:31,934 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-05 15:23:31,934 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-05 15:23:31,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 15:23:31,934 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-05 15:23:31,934 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-05 15:23:31,935 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-05 15:23:31,935 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-07-05 15:23:31,935 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-07-05 15:23:31,935 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-05 15:23:31,935 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-05 15:23:31,935 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-05 15:23:31,936 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 704ac246e9224218bad16a2cd21deb9d893caecd [2021-07-05 15:23:32,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-05 15:23:32,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-05 15:23:32,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-05 15:23:32,185 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-05 15:23:32,185 INFO L275 PluginConnector]: CDTParser initialized [2021-07-05 15:23:32,185 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/09_fmaxsym.i [2021-07-05 15:23:32,235 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/930458a2c/c0d062bde77546229cd0556cd0723112/FLAGe4030ed7e [2021-07-05 15:23:32,599 INFO L306 CDTParser]: Found 1 translation units. [2021-07-05 15:23:32,600 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/09_fmaxsym.i [2021-07-05 15:23:32,608 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/930458a2c/c0d062bde77546229cd0556cd0723112/FLAGe4030ed7e [2021-07-05 15:23:32,617 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/930458a2c/c0d062bde77546229cd0556cd0723112 [2021-07-05 15:23:32,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-05 15:23:32,620 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-05 15:23:32,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-05 15:23:32,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-05 15:23:32,624 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-05 15:23:32,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 03:23:32" (1/1) ... [2021-07-05 15:23:32,626 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4574ab79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:23:32, skipping insertion in model container [2021-07-05 15:23:32,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 03:23:32" (1/1) ... [2021-07-05 15:23:32,631 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-05 15:23:32,662 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-05 15:23:32,939 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/09_fmaxsym.i[30422,30435] [2021-07-05 15:23:32,947 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 15:23:32,957 INFO L203 MainTranslator]: Completed pre-run [2021-07-05 15:23:32,990 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/09_fmaxsym.i[30422,30435] [2021-07-05 15:23:32,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 15:23:33,043 INFO L208 MainTranslator]: Completed translation [2021-07-05 15:23:33,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:23:33 WrapperNode [2021-07-05 15:23:33,044 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-05 15:23:33,045 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-05 15:23:33,045 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-05 15:23:33,045 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-05 15:23:33,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:23:33" (1/1) ... [2021-07-05 15:23:33,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:23:33" (1/1) ... [2021-07-05 15:23:33,091 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-05 15:23:33,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-05 15:23:33,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-05 15:23:33,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-05 15:23:33,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:23:33" (1/1) ... [2021-07-05 15:23:33,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:23:33" (1/1) ... [2021-07-05 15:23:33,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:23:33" (1/1) ... [2021-07-05 15:23:33,106 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:23:33" (1/1) ... [2021-07-05 15:23:33,120 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:23:33" (1/1) ... [2021-07-05 15:23:33,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:23:33" (1/1) ... [2021-07-05 15:23:33,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:23:33" (1/1) ... [2021-07-05 15:23:33,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-05 15:23:33,130 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-05 15:23:33,130 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-05 15:23:33,131 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-05 15:23:33,131 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:23:33" (1/1) ... [2021-07-05 15:23:33,135 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 15:23:33,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 15:23:33,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-07-05 15:23:33,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-07-05 15:23:33,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-07-05 15:23:33,180 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-07-05 15:23:33,180 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-07-05 15:23:33,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-05 15:23:33,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-05 15:23:33,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-07-05 15:23:33,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-07-05 15:23:33,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-07-05 15:23:33,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-05 15:23:33,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-05 15:23:33,182 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-05 15:23:33,514 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-05 15:23:33,514 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-07-05 15:23:33,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 03:23:33 BoogieIcfgContainer [2021-07-05 15:23:33,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-05 15:23:33,517 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-05 15:23:33,517 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-05 15:23:33,519 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-05 15:23:33,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.07 03:23:32" (1/3) ... [2021-07-05 15:23:33,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f472403 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 03:23:33, skipping insertion in model container [2021-07-05 15:23:33,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:23:33" (2/3) ... [2021-07-05 15:23:33,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f472403 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 03:23:33, skipping insertion in model container [2021-07-05 15:23:33,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 03:23:33" (3/3) ... [2021-07-05 15:23:33,520 INFO L111 eAbstractionObserver]: Analyzing ICFG 09_fmaxsym.i [2021-07-05 15:23:33,524 WARN L144 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-05 15:23:33,524 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-05 15:23:33,524 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-05 15:23:33,525 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-05 15:23:33,556 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,557 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,557 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,557 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,557 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,557 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,558 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,558 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,558 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,558 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,558 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,558 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,559 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,559 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,559 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,559 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,560 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,560 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,560 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,560 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,560 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,560 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,561 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,561 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,561 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,563 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,564 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,564 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,564 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,564 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#in~offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,564 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,565 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#in~offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,565 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,565 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,566 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,566 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,566 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,566 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,566 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,567 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,567 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,567 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,567 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#in~offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,567 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,567 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#in~offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,568 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,568 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,568 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,568 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,568 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,568 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,568 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,569 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,569 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,569 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,569 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,569 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,570 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,570 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,570 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,570 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,571 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,571 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,571 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,571 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,571 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,572 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,576 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,577 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,577 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,577 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,577 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,578 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,578 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,578 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,578 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,578 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,578 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,579 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,579 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,579 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,579 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,579 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,580 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,580 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,580 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,580 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,580 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,581 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,581 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,581 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,581 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,582 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,583 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,584 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,584 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,585 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,585 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,585 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,585 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,585 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,586 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,589 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,589 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,591 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#in~offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,592 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,592 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,592 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,592 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,592 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,592 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,593 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,593 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,593 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,594 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,594 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,594 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,594 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:23:33,596 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-05 15:23:33,629 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Err0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 15:23:33,635 INFO L329 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 15:23:33,635 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 15:23:33,645 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-07-05 15:23:33,650 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 70 transitions, 145 flow [2021-07-05 15:23:33,652 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 70 transitions, 145 flow [2021-07-05 15:23:33,653 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 70 transitions, 145 flow [2021-07-05 15:23:33,680 INFO L129 PetriNetUnfolder]: 7/80 cut-off events. [2021-07-05 15:23:33,681 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-07-05 15:23:33,684 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 80 events. 7/80 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 67 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 48. Up to 4 conditions per place. [2021-07-05 15:23:33,686 INFO L116 LiptonReduction]: Number of co-enabled transitions 936 [2021-07-05 15:23:36,866 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2021-07-05 15:23:37,280 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2021-07-05 15:23:37,404 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-07-05 15:23:37,719 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-07-05 15:23:37,907 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-07-05 15:23:38,153 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-07-05 15:23:38,338 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-07-05 15:23:38,340 INFO L131 LiptonReduction]: Checked pairs total: 852 [2021-07-05 15:23:38,340 INFO L133 LiptonReduction]: Total number of compositions: 74 [2021-07-05 15:23:38,346 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 12 places, 10 transitions, 25 flow [2021-07-05 15:23:38,350 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 24 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 23 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 15:23:38,351 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 23 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 15:23:38,354 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 15:23:38,355 INFO L374 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 15:23:38,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 15:23:38,359 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramCache.addRun(PathProgramCache.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.StrategyFactory.constructStrategy(StrategyFactory.java:135) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.StrategyFactory.constructStrategy(StrategyFactory.java:119) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.isCounterexampleFeasibleInternal(AbstractCegarLoop.java:488) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:382) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:298) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:221) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-07-05 15:23:38,363 INFO L168 Benchmark]: Toolchain (without parser) took 5740.66 ms. Allocated memory was 58.7 MB in the beginning and 104.9 MB in the end (delta: 46.1 MB). Free memory was 35.7 MB in the beginning and 48.9 MB in the end (delta: -13.2 MB). Peak memory consumption was 32.3 MB. Max. memory is 16.1 GB. [2021-07-05 15:23:38,363 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 58.7 MB. Free memory is still 39.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 15:23:38,363 INFO L168 Benchmark]: CACSL2BoogieTranslator took 422.42 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 35.4 MB in the beginning and 49.1 MB in the end (delta: -13.6 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2021-07-05 15:23:38,364 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.65 ms. Allocated memory is still 71.3 MB. Free memory was 49.1 MB in the beginning and 47.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-05 15:23:38,364 INFO L168 Benchmark]: Boogie Preprocessor took 37.32 ms. Allocated memory is still 71.3 MB. Free memory was 47.0 MB in the beginning and 45.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-05 15:23:38,364 INFO L168 Benchmark]: RCFGBuilder took 385.54 ms. Allocated memory is still 71.3 MB. Free memory was 45.1 MB in the beginning and 35.4 MB in the end (delta: 9.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-07-05 15:23:38,365 INFO L168 Benchmark]: TraceAbstraction took 4843.01 ms. Allocated memory was 71.3 MB in the beginning and 104.9 MB in the end (delta: 33.6 MB). Free memory was 34.9 MB in the beginning and 48.9 MB in the end (delta: -13.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 16.1 GB. [2021-07-05 15:23:38,367 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 58.7 MB. Free memory is still 39.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 422.42 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 35.4 MB in the beginning and 49.1 MB in the end (delta: -13.6 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.65 ms. Allocated memory is still 71.3 MB. Free memory was 49.1 MB in the beginning and 47.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.32 ms. Allocated memory is still 71.3 MB. Free memory was 47.0 MB in the beginning and 45.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 385.54 ms. Allocated memory is still 71.3 MB. Free memory was 45.1 MB in the beginning and 35.4 MB in the end (delta: 9.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4843.01 ms. Allocated memory was 71.3 MB in the beginning and 104.9 MB in the end (delta: 33.6 MB). Free memory was 34.9 MB in the beginning and 48.9 MB in the end (delta: -13.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4687.5ms, 67 PlacesBefore, 12 PlacesAfterwards, 70 TransitionsBefore, 10 TransitionsAfterwards, 936 CoEnabledTransitionPairs, 6 FixpointIterations, 19 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 13 ConcurrentYvCompositions, 5 ChoiceCompositions, 74 TotalNumberOfCompositions, 852 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 762, positive: 745, positive conditional: 0, positive unconditional: 745, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 633, positive: 626, positive conditional: 0, positive unconditional: 626, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 633, positive: 626, positive conditional: 0, positive unconditional: 626, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 127, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 127, negative conditional: 0, negative unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 762, positive: 119, positive conditional: 0, positive unconditional: 119, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 633, unknown conditional: 0, unknown unconditional: 633] , Statistics on independence cache: Total cache size (in pairs): 6, Positive cache size: 5, Positive conditional cache size: 0, Positive unconditional cache size: 5, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramCache.addRun(PathProgramCache.java:68) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-07-05 15:23:38,395 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...