./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/rfi001_power.oepc.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-wmm/rfi001_power.oepc.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 4e1c14b27c52550bd0dc5d8107280b6fa808ab2a ............................................................................................................................................................................................................................................................................................................................................................................................................................................ 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-wmm/rfi001_power.oepc.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 4e1c14b27c52550bd0dc5d8107280b6fa808ab2a ................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 15:46:57,589 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-05 15:46:57,591 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-05 15:46:57,612 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-05 15:46:57,614 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-05 15:46:57,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-05 15:46:57,617 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-05 15:46:57,625 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-05 15:46:57,626 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-05 15:46:57,627 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-05 15:46:57,628 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-05 15:46:57,630 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-05 15:46:57,630 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-05 15:46:57,633 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-05 15:46:57,634 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-05 15:46:57,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-05 15:46:57,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-05 15:46:57,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-05 15:46:57,639 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-05 15:46:57,645 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-05 15:46:57,648 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-05 15:46:57,651 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-05 15:46:57,652 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-05 15:46:57,653 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-05 15:46:57,656 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-05 15:46:57,658 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-05 15:46:57,659 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-05 15:46:57,659 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-05 15:46:57,660 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-05 15:46:57,661 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-05 15:46:57,661 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-05 15:46:57,661 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-05 15:46:57,662 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-05 15:46:57,663 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-05 15:46:57,664 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-05 15:46:57,664 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-05 15:46:57,664 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-05 15:46:57,664 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-05 15:46:57,665 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-05 15:46:57,665 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-05 15:46:57,666 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-05 15:46:57,667 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-07-05 15:46:57,689 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-05 15:46:57,689 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-05 15:46:57,691 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-05 15:46:57,691 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-05 15:46:57,691 INFO L138 SettingsManager]: * Use SBE=true [2021-07-05 15:46:57,691 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-05 15:46:57,691 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-05 15:46:57,692 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-05 15:46:57,692 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-05 15:46:57,692 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-05 15:46:57,693 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-05 15:46:57,693 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-05 15:46:57,693 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-05 15:46:57,693 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-05 15:46:57,693 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-05 15:46:57,694 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-05 15:46:57,694 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-05 15:46:57,694 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-05 15:46:57,694 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-05 15:46:57,694 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-05 15:46:57,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 15:46:57,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-05 15:46:57,695 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-05 15:46:57,695 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-05 15:46:57,695 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-05 15:46:57,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-05 15:46:57,695 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-05 15:46:57,695 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-05 15:46:57,696 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e1c14b27c52550bd0dc5d8107280b6fa808ab2a [2021-07-05 15:46:57,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-05 15:46:57,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-05 15:46:57,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-05 15:46:57,984 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-05 15:46:57,985 INFO L275 PluginConnector]: CDTParser initialized [2021-07-05 15:46:57,986 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/rfi001_power.oepc.i [2021-07-05 15:46:58,026 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5aa31c748/988bb8f8d4294796a55f5516b746f671/FLAGc23215f0a [2021-07-05 15:46:58,488 INFO L306 CDTParser]: Found 1 translation units. [2021-07-05 15:46:58,489 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/rfi001_power.oepc.i [2021-07-05 15:46:58,502 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5aa31c748/988bb8f8d4294796a55f5516b746f671/FLAGc23215f0a [2021-07-05 15:46:58,516 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5aa31c748/988bb8f8d4294796a55f5516b746f671 [2021-07-05 15:46:58,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-05 15:46:58,520 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-05 15:46:58,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-05 15:46:58,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-05 15:46:58,524 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-05 15:46:58,525 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 03:46:58" (1/1) ... [2021-07-05 15:46:58,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f4f6c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:46:58, skipping insertion in model container [2021-07-05 15:46:58,526 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 03:46:58" (1/1) ... [2021-07-05 15:46:58,530 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-05 15:46:58,569 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-05 15:46:58,711 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-wmm/rfi001_power.oepc.i[951,964] [2021-07-05 15:46:58,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 15:46:58,834 INFO L203 MainTranslator]: Completed pre-run [2021-07-05 15:46:58,845 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-wmm/rfi001_power.oepc.i[951,964] [2021-07-05 15:46:58,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 15:46:58,943 INFO L208 MainTranslator]: Completed translation [2021-07-05 15:46:58,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:46:58 WrapperNode [2021-07-05 15:46:58,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-05 15:46:58,945 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-05 15:46:58,945 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-05 15:46:58,945 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-05 15:46:58,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:46:58" (1/1) ... [2021-07-05 15:46:58,978 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:46:58" (1/1) ... [2021-07-05 15:46:58,998 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-05 15:46:58,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-05 15:46:58,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-05 15:46:58,999 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-05 15:46:59,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:46:58" (1/1) ... [2021-07-05 15:46:59,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:46:58" (1/1) ... [2021-07-05 15:46:59,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:46:58" (1/1) ... [2021-07-05 15:46:59,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:46:58" (1/1) ... [2021-07-05 15:46:59,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:46:58" (1/1) ... [2021-07-05 15:46:59,014 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:46:58" (1/1) ... [2021-07-05 15:46:59,016 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:46:58" (1/1) ... [2021-07-05 15:46:59,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-05 15:46:59,019 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-05 15:46:59,019 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-05 15:46:59,019 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-05 15:46:59,019 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:46:58" (1/1) ... [2021-07-05 15:46:59,023 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 15:46:59,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 15:46:59,081 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 15:46:59,092 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 15:46:59,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-05 15:46:59,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-05 15:46:59,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-05 15:46:59,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-05 15:46:59,119 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-07-05 15:46:59,119 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-07-05 15:46:59,119 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-07-05 15:46:59,119 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-07-05 15:46:59,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-05 15:46:59,119 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-05 15:46:59,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-05 15:46:59,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-05 15:46:59,121 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 15:47:00,311 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-05 15:47:00,311 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-07-05 15:47:00,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 03:47:00 BoogieIcfgContainer [2021-07-05 15:47:00,313 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-05 15:47:00,314 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-05 15:47:00,314 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-05 15:47:00,316 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-05 15:47:00,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.07 03:46:58" (1/3) ... [2021-07-05 15:47:00,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@daba26b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 03:47:00, skipping insertion in model container [2021-07-05 15:47:00,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:46:58" (2/3) ... [2021-07-05 15:47:00,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@daba26b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 03:47:00, skipping insertion in model container [2021-07-05 15:47:00,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 03:47:00" (3/3) ... [2021-07-05 15:47:00,318 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi001_power.oepc.i [2021-07-05 15:47:00,323 WARN L144 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-05 15:47:00,324 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-05 15:47:00,324 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-07-05 15:47:00,324 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-05 15:47:00,348 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,348 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,348 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,348 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,349 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,349 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,349 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,349 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,349 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,349 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,349 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,350 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,350 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,350 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,350 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,350 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,350 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,351 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,351 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,351 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,351 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,351 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,351 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,352 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,352 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,352 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,352 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,354 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,354 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,354 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,354 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,354 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,355 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,355 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,355 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,355 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,355 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,355 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,356 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,356 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,356 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,356 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,356 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,356 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,356 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,356 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,356 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,357 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,357 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,357 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,357 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,357 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,357 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,358 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,358 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,358 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,358 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,358 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,358 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,358 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,358 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,358 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,359 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,359 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,359 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,359 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,359 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,372 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,373 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,373 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,373 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,373 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,374 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,374 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,374 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,374 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,376 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,376 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,376 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,377 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,377 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,377 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,377 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,377 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,377 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,377 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,378 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,378 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,378 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,380 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,380 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,381 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,381 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,382 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,382 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,382 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,382 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,383 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,387 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,388 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,388 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,388 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,388 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,388 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,388 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,388 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,389 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,389 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,389 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,389 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,389 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,389 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,389 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,389 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,391 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,391 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,391 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,391 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,392 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,392 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,392 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,392 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,392 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,392 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,393 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,393 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,393 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,393 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,394 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,394 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,394 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,394 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,396 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,396 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,396 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,396 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,396 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,397 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,397 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,397 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,397 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,397 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,397 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,397 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,398 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,398 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,398 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,398 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,398 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,398 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,398 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,399 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,399 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,399 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,399 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,399 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,399 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,399 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,400 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,400 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,400 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,400 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,400 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,400 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,400 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,402 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,402 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,402 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,402 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,403 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,403 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,403 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,403 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,403 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,405 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,405 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,405 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:00,406 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-05 15:47:00,443 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P0Err0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 15:47:00,448 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 15:47:00,448 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 15:47:00,460 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-07-05 15:47:00,466 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 90 transitions, 190 flow [2021-07-05 15:47:00,468 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 95 places, 90 transitions, 190 flow [2021-07-05 15:47:00,470 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 95 places, 90 transitions, 190 flow [2021-07-05 15:47:00,495 INFO L129 PetriNetUnfolder]: 2/88 cut-off events. [2021-07-05 15:47:00,495 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-07-05 15:47:00,498 INFO L84 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 88 events. 2/88 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 45 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 52. Up to 2 conditions per place. [2021-07-05 15:47:00,500 INFO L116 LiptonReduction]: Number of co-enabled transitions 1140 [2021-07-05 15:47:03,701 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2021-07-05 15:47:03,843 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-07-05 15:47:04,136 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2021-07-05 15:47:04,256 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-07-05 15:47:04,258 INFO L131 LiptonReduction]: Checked pairs total: 2823 [2021-07-05 15:47:04,258 INFO L133 LiptonReduction]: Total number of compositions: 81 [2021-07-05 15:47:04,263 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 21 transitions, 52 flow [2021-07-05 15:47:04,275 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 194 states, 190 states have (on average 2.6526315789473682) internal successors, (504), 193 states have internal predecessors, (504), 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 15:47:04,277 INFO L276 IsEmpty]: Start isEmpty. Operand has 194 states, 190 states have (on average 2.6526315789473682) internal successors, (504), 193 states have internal predecessors, (504), 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 15:47:04,283 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 15:47:04,284 INFO L374 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 15:47:04,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 15:47:04,288 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 15:47:04,290 INFO L168 Benchmark]: Toolchain (without parser) took 5769.92 ms. Allocated memory was 54.5 MB in the beginning and 182.5 MB in the end (delta: 127.9 MB). Free memory was 31.8 MB in the beginning and 102.3 MB in the end (delta: -70.6 MB). Peak memory consumption was 57.0 MB. Max. memory is 16.1 GB. [2021-07-05 15:47:04,290 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 54.5 MB. Free memory is still 36.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 15:47:04,291 INFO L168 Benchmark]: CACSL2BoogieTranslator took 422.77 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 31.6 MB in the beginning and 40.4 MB in the end (delta: -8.8 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. [2021-07-05 15:47:04,291 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.37 ms. Allocated memory is still 69.2 MB. Free memory was 40.4 MB in the beginning and 38.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-07-05 15:47:04,291 INFO L168 Benchmark]: Boogie Preprocessor took 19.35 ms. Allocated memory is still 69.2 MB. Free memory was 38.0 MB in the beginning and 35.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-05 15:47:04,292 INFO L168 Benchmark]: RCFGBuilder took 1294.40 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 35.9 MB in the beginning and 33.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. [2021-07-05 15:47:04,292 INFO L168 Benchmark]: TraceAbstraction took 3974.83 ms. Allocated memory was 83.9 MB in the beginning and 182.5 MB in the end (delta: 98.6 MB). Free memory was 32.6 MB in the beginning and 102.3 MB in the end (delta: -69.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 16.1 GB. [2021-07-05 15:47:04,294 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 54.5 MB. Free memory is still 36.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 422.77 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 31.6 MB in the beginning and 40.4 MB in the end (delta: -8.8 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 53.37 ms. Allocated memory is still 69.2 MB. Free memory was 40.4 MB in the beginning and 38.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.35 ms. Allocated memory is still 69.2 MB. Free memory was 38.0 MB in the beginning and 35.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1294.40 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 35.9 MB in the beginning and 33.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3974.83 ms. Allocated memory was 83.9 MB in the beginning and 182.5 MB in the end (delta: 98.6 MB). Free memory was 32.6 MB in the beginning and 102.3 MB in the end (delta: -69.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3790.0ms, 95 PlacesBefore, 27 PlacesAfterwards, 90 TransitionsBefore, 21 TransitionsAfterwards, 1140 CoEnabledTransitionPairs, 7 FixpointIterations, 36 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 81 TotalNumberOfCompositions, 2823 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1434, positive: 1309, positive conditional: 0, positive unconditional: 1309, negative: 125, negative conditional: 0, negative unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 818, positive: 772, positive conditional: 0, positive unconditional: 772, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 818, positive: 759, positive conditional: 0, positive unconditional: 759, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 59, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 499, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 470, negative conditional: 0, negative unconditional: 470, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1434, positive: 537, positive conditional: 0, positive unconditional: 537, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 818, unknown conditional: 0, unknown unconditional: 818] , Statistics on independence cache: Total cache size (in pairs): 89, Positive cache size: 71, Positive conditional cache size: 0, Positive unconditional cache size: 71, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18 - 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 15:47:04,324 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... ### Bit-precise run ### This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-05 15:47:05,881 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-05 15:47:05,883 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-05 15:47:05,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-05 15:47:05,904 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-05 15:47:05,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-05 15:47:05,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-05 15:47:05,907 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-05 15:47:05,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-05 15:47:05,909 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-05 15:47:05,909 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-05 15:47:05,910 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-05 15:47:05,911 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-05 15:47:05,911 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-05 15:47:05,912 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-05 15:47:05,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-05 15:47:05,913 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-05 15:47:05,914 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-05 15:47:05,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-05 15:47:05,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-05 15:47:05,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-05 15:47:05,919 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-05 15:47:05,920 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-05 15:47:05,921 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-05 15:47:05,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-05 15:47:05,932 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-05 15:47:05,932 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-05 15:47:05,932 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-05 15:47:05,933 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-05 15:47:05,933 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-05 15:47:05,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-05 15:47:05,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-05 15:47:05,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-05 15:47:05,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-05 15:47:05,936 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-05 15:47:05,936 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-05 15:47:05,937 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-05 15:47:05,937 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-05 15:47:05,937 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-05 15:47:05,938 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-05 15:47:05,938 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-05 15:47:05,953 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-07-05 15:47:05,975 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-05 15:47:05,976 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-05 15:47:05,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-05 15:47:05,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-05 15:47:05,978 INFO L138 SettingsManager]: * Use SBE=true [2021-07-05 15:47:05,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-05 15:47:05,978 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-05 15:47:05,979 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-05 15:47:05,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-05 15:47:05,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-05 15:47:05,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-05 15:47:05,980 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-05 15:47:05,980 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-07-05 15:47:05,980 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-07-05 15:47:05,980 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-05 15:47:05,980 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-05 15:47:05,981 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-05 15:47:05,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-05 15:47:05,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-05 15:47:05,981 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-05 15:47:05,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-05 15:47:05,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 15:47:05,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-05 15:47:05,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-05 15:47:05,982 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-05 15:47:05,982 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-07-05 15:47:05,983 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-07-05 15:47:05,983 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-05 15:47:05,983 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-05 15:47:05,983 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-05 15:47:05,983 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e1c14b27c52550bd0dc5d8107280b6fa808ab2a [2021-07-05 15:47:06,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-05 15:47:06,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-05 15:47:06,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-05 15:47:06,243 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-05 15:47:06,244 INFO L275 PluginConnector]: CDTParser initialized [2021-07-05 15:47:06,244 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/rfi001_power.oepc.i [2021-07-05 15:47:06,309 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cac914c4f/a2787ed30f63417ebeade4e32916b7c1/FLAGb1c3a540f [2021-07-05 15:47:06,694 INFO L306 CDTParser]: Found 1 translation units. [2021-07-05 15:47:06,696 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/rfi001_power.oepc.i [2021-07-05 15:47:06,710 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cac914c4f/a2787ed30f63417ebeade4e32916b7c1/FLAGb1c3a540f [2021-07-05 15:47:06,720 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cac914c4f/a2787ed30f63417ebeade4e32916b7c1 [2021-07-05 15:47:06,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-05 15:47:06,723 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-05 15:47:06,724 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-05 15:47:06,724 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-05 15:47:06,728 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-05 15:47:06,731 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 03:47:06" (1/1) ... [2021-07-05 15:47:06,732 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b3dacc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:47:06, skipping insertion in model container [2021-07-05 15:47:06,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 03:47:06" (1/1) ... [2021-07-05 15:47:06,737 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-05 15:47:06,775 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-05 15:47:06,874 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-wmm/rfi001_power.oepc.i[951,964] [2021-07-05 15:47:07,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 15:47:07,047 INFO L203 MainTranslator]: Completed pre-run [2021-07-05 15:47:07,059 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-wmm/rfi001_power.oepc.i[951,964] [2021-07-05 15:47:07,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 15:47:07,145 INFO L208 MainTranslator]: Completed translation [2021-07-05 15:47:07,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:47:07 WrapperNode [2021-07-05 15:47:07,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-05 15:47:07,147 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-05 15:47:07,148 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-05 15:47:07,148 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-05 15:47:07,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:47:07" (1/1) ... [2021-07-05 15:47:07,179 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:47:07" (1/1) ... [2021-07-05 15:47:07,202 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-05 15:47:07,205 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-05 15:47:07,205 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-05 15:47:07,206 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-05 15:47:07,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:47:07" (1/1) ... [2021-07-05 15:47:07,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:47:07" (1/1) ... [2021-07-05 15:47:07,223 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:47:07" (1/1) ... [2021-07-05 15:47:07,224 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:47:07" (1/1) ... [2021-07-05 15:47:07,234 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:47:07" (1/1) ... [2021-07-05 15:47:07,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:47:07" (1/1) ... [2021-07-05 15:47:07,246 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:47:07" (1/1) ... [2021-07-05 15:47:07,249 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-05 15:47:07,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-05 15:47:07,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-05 15:47:07,257 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-05 15:47:07,258 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:47:07" (1/1) ... [2021-07-05 15:47:07,262 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 15:47:07,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 15:47:07,276 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 15:47:07,278 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 15:47:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-05 15:47:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-05 15:47:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-05 15:47:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-07-05 15:47:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-07-05 15:47:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-07-05 15:47:07,307 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-07-05 15:47:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-07-05 15:47:07,307 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-07-05 15:47:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-05 15:47:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-05 15:47:07,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-05 15:47:07,308 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 15:47:08,534 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-05 15:47:08,534 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-07-05 15:47:08,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 03:47:08 BoogieIcfgContainer [2021-07-05 15:47:08,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-05 15:47:08,537 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-05 15:47:08,537 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-05 15:47:08,539 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-05 15:47:08,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.07 03:47:06" (1/3) ... [2021-07-05 15:47:08,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3692e9d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 03:47:08, skipping insertion in model container [2021-07-05 15:47:08,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:47:07" (2/3) ... [2021-07-05 15:47:08,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3692e9d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 03:47:08, skipping insertion in model container [2021-07-05 15:47:08,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 03:47:08" (3/3) ... [2021-07-05 15:47:08,541 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi001_power.oepc.i [2021-07-05 15:47:08,546 WARN L144 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-05 15:47:08,546 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-05 15:47:08,546 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-07-05 15:47:08,546 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-05 15:47:08,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,567 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,568 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,568 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,568 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,568 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,568 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,568 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,568 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,569 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,569 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,569 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,570 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,570 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,570 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,570 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,570 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,570 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,572 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,572 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,572 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,572 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,572 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,573 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,573 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,573 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,573 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,573 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,573 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,573 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,573 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,574 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,574 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,574 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,579 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,580 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,580 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,580 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,580 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,580 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,580 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,580 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,580 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,581 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,581 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,581 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,581 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,581 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,581 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,581 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,581 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,582 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,582 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,582 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,582 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,582 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,582 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,582 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,582 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,583 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,583 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,583 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,583 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,583 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,583 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,583 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,583 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,584 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,585 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,585 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,585 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,585 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,585 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,586 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,586 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,586 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,586 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,586 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,586 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,586 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,586 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,587 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,587 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,587 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,587 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,587 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,587 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,587 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,587 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,588 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,588 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,588 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,588 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,588 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,588 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,588 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,588 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,589 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,589 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,589 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,589 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,589 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,589 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,589 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,589 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,589 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,591 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,591 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,591 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,591 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,591 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,591 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,591 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,592 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,592 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,592 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,592 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,592 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,592 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,592 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,593 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,593 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,593 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,593 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,595 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,595 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,595 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,595 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,595 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,595 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,595 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,596 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,596 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,596 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,596 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,596 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,596 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,596 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,597 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,597 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,597 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,597 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,597 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,597 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,597 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,597 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,598 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,598 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,598 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,598 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,598 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,598 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,598 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,598 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,599 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,599 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,599 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,601 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,601 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,601 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,601 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,601 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,601 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,602 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,602 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,602 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,602 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,602 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,603 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:47:08,604 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-05 15:47:08,635 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P0Err0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 15:47:08,639 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 15:47:08,640 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 15:47:08,657 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-07-05 15:47:08,665 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 96 places, 91 transitions, 192 flow [2021-07-05 15:47:08,667 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 96 places, 91 transitions, 192 flow [2021-07-05 15:47:08,668 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 91 transitions, 192 flow [2021-07-05 15:47:08,694 INFO L129 PetriNetUnfolder]: 2/89 cut-off events. [2021-07-05 15:47:08,694 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-07-05 15:47:08,697 INFO L84 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 89 events. 2/89 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 45 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 52. Up to 2 conditions per place. [2021-07-05 15:47:08,700 INFO L116 LiptonReduction]: Number of co-enabled transitions 1140 [2021-07-05 15:47:12,438 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-07-05 15:47:12,544 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-07-05 15:47:12,743 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-07-05 15:47:13,118 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-05 15:47:13,377 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-07-05 15:47:13,710 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-07-05 15:47:13,975 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-07-05 15:47:14,085 INFO L131 LiptonReduction]: Checked pairs total: 2947 [2021-07-05 15:47:14,085 INFO L133 LiptonReduction]: Total number of compositions: 83 [2021-07-05 15:47:14,091 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 21 transitions, 52 flow [2021-07-05 15:47:14,108 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 194 states, 190 states have (on average 2.6526315789473682) internal successors, (504), 193 states have internal predecessors, (504), 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 15:47:14,111 INFO L276 IsEmpty]: Start isEmpty. Operand has 194 states, 190 states have (on average 2.6526315789473682) internal successors, (504), 193 states have internal predecessors, (504), 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 15:47:14,120 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 15:47:14,122 INFO L374 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 15:47:14,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 15:47:14,126 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 15:47:14,131 INFO L168 Benchmark]: Toolchain (without parser) took 7407.21 ms. Allocated memory was 54.5 MB in the beginning and 188.7 MB in the end (delta: 134.2 MB). Free memory was 30.0 MB in the beginning and 90.9 MB in the end (delta: -60.9 MB). Peak memory consumption was 72.7 MB. Max. memory is 16.1 GB. [2021-07-05 15:47:14,131 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 54.5 MB. Free memory is still 35.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 15:47:14,131 INFO L168 Benchmark]: CACSL2BoogieTranslator took 422.90 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 29.7 MB in the beginning and 44.5 MB in the end (delta: -14.8 MB). Peak memory consumption was 10.9 MB. Max. memory is 16.1 GB. [2021-07-05 15:47:14,133 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.04 ms. Allocated memory is still 71.3 MB. Free memory was 44.5 MB in the beginning and 42.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-05 15:47:14,137 INFO L168 Benchmark]: Boogie Preprocessor took 50.48 ms. Allocated memory is still 71.3 MB. Free memory was 42.2 MB in the beginning and 39.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-05 15:47:14,138 INFO L168 Benchmark]: RCFGBuilder took 1279.60 ms. Allocated memory was 71.3 MB in the beginning and 104.9 MB in the end (delta: 33.6 MB). Free memory was 39.8 MB in the beginning and 48.4 MB in the end (delta: -8.6 MB). Peak memory consumption was 25.0 MB. Max. memory is 16.1 GB. [2021-07-05 15:47:14,139 INFO L168 Benchmark]: TraceAbstraction took 5592.98 ms. Allocated memory was 104.9 MB in the beginning and 188.7 MB in the end (delta: 83.9 MB). Free memory was 48.4 MB in the beginning and 90.9 MB in the end (delta: -42.5 MB). Peak memory consumption was 41.2 MB. Max. memory is 16.1 GB. [2021-07-05 15:47:14,144 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 54.5 MB. Free memory is still 35.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 422.90 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 29.7 MB in the beginning and 44.5 MB in the end (delta: -14.8 MB). Peak memory consumption was 10.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 57.04 ms. Allocated memory is still 71.3 MB. Free memory was 44.5 MB in the beginning and 42.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 50.48 ms. Allocated memory is still 71.3 MB. Free memory was 42.2 MB in the beginning and 39.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1279.60 ms. Allocated memory was 71.3 MB in the beginning and 104.9 MB in the end (delta: 33.6 MB). Free memory was 39.8 MB in the beginning and 48.4 MB in the end (delta: -8.6 MB). Peak memory consumption was 25.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5592.98 ms. Allocated memory was 104.9 MB in the beginning and 188.7 MB in the end (delta: 83.9 MB). Free memory was 48.4 MB in the beginning and 90.9 MB in the end (delta: -42.5 MB). Peak memory consumption was 41.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5418.9ms, 96 PlacesBefore, 27 PlacesAfterwards, 91 TransitionsBefore, 21 TransitionsAfterwards, 1140 CoEnabledTransitionPairs, 7 FixpointIterations, 37 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 83 TotalNumberOfCompositions, 2947 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1615, positive: 1475, positive conditional: 0, positive unconditional: 1475, negative: 140, negative conditional: 0, negative unconditional: 140, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 876, positive: 826, positive conditional: 0, positive unconditional: 826, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 876, positive: 812, positive conditional: 0, positive unconditional: 812, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 64, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 775, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 733, negative conditional: 0, negative unconditional: 733, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1615, positive: 649, positive conditional: 0, positive unconditional: 649, negative: 90, negative conditional: 0, negative unconditional: 90, unknown: 876, unknown conditional: 0, unknown unconditional: 876] , Statistics on independence cache: Total cache size (in pairs): 110, Positive cache size: 87, Positive conditional cache size: 0, Positive unconditional cache size: 87, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23 - 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 15:47:14,181 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...