./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe029_pso.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/safe029_pso.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 a17df1fba77819f5184121d2d7522e7b6e3b3c7f .................................................................................................................................................................................................................................................................................................................................................. 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/safe029_pso.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 a17df1fba77819f5184121d2d7522e7b6e3b3c7f ........................................................................................................................................................................................................................................................................................................................................................................ 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 15:59:10,904 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-05 15:59:10,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-05 15:59:10,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-05 15:59:10,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-05 15:59:10,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-05 15:59:10,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-05 15:59:10,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-05 15:59:10,956 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-05 15:59:10,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-05 15:59:10,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-05 15:59:10,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-05 15:59:10,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-05 15:59:10,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-05 15:59:10,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-05 15:59:10,962 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-05 15:59:10,962 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-05 15:59:10,963 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-05 15:59:10,965 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-05 15:59:10,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-05 15:59:10,967 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-05 15:59:10,968 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-05 15:59:10,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-05 15:59:10,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-05 15:59:10,972 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-05 15:59:10,972 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-05 15:59:10,972 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-05 15:59:10,973 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-05 15:59:10,974 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-05 15:59:10,975 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-05 15:59:10,975 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-05 15:59:10,976 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-05 15:59:10,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-05 15:59:10,977 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-05 15:59:10,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-05 15:59:10,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-05 15:59:10,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-05 15:59:10,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-05 15:59:10,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-05 15:59:10,980 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-05 15:59:10,981 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-05 15:59:10,982 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-07-05 15:59:11,011 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-05 15:59:11,011 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-05 15:59:11,014 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-05 15:59:11,014 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-05 15:59:11,014 INFO L138 SettingsManager]: * Use SBE=true [2021-07-05 15:59:11,014 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-05 15:59:11,015 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-05 15:59:11,015 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-05 15:59:11,015 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-05 15:59:11,015 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-05 15:59:11,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-05 15:59:11,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-05 15:59:11,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-05 15:59:11,017 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-05 15:59:11,017 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-05 15:59:11,017 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-05 15:59:11,017 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-05 15:59:11,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-05 15:59:11,017 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-05 15:59:11,018 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-05 15:59:11,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 15:59:11,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-05 15:59:11,018 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-05 15:59:11,018 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-05 15:59:11,019 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-05 15:59:11,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-05 15:59:11,019 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-05 15:59:11,019 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-05 15:59:11,019 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a17df1fba77819f5184121d2d7522e7b6e3b3c7f [2021-07-05 15:59:11,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-05 15:59:11,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-05 15:59:11,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-05 15:59:11,373 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-05 15:59:11,373 INFO L275 PluginConnector]: CDTParser initialized [2021-07-05 15:59:11,375 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe029_pso.oepc.i [2021-07-05 15:59:11,446 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7592b597/ea34d3ae2cf54645b013a874c02df871/FLAG3c8ef93e6 [2021-07-05 15:59:12,004 INFO L306 CDTParser]: Found 1 translation units. [2021-07-05 15:59:12,011 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe029_pso.oepc.i [2021-07-05 15:59:12,028 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7592b597/ea34d3ae2cf54645b013a874c02df871/FLAG3c8ef93e6 [2021-07-05 15:59:12,426 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7592b597/ea34d3ae2cf54645b013a874c02df871 [2021-07-05 15:59:12,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-05 15:59:12,430 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-05 15:59:12,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-05 15:59:12,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-05 15:59:12,434 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-05 15:59:12,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 03:59:12" (1/1) ... [2021-07-05 15:59:12,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13ab1389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:59:12, skipping insertion in model container [2021-07-05 15:59:12,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 03:59:12" (1/1) ... [2021-07-05 15:59:12,442 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-05 15:59:12,504 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-05 15:59:12,726 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/safe029_pso.oepc.i[950,963] [2021-07-05 15:59:12,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 15:59:12,943 INFO L203 MainTranslator]: Completed pre-run [2021-07-05 15:59:12,956 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/safe029_pso.oepc.i[950,963] [2021-07-05 15:59:13,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 15:59:13,095 INFO L208 MainTranslator]: Completed translation [2021-07-05 15:59:13,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:59:13 WrapperNode [2021-07-05 15:59:13,096 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-05 15:59:13,097 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-05 15:59:13,097 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-05 15:59:13,098 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-05 15:59:13,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:59:13" (1/1) ... [2021-07-05 15:59:13,143 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:59:13" (1/1) ... [2021-07-05 15:59:13,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-05 15:59:13,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-05 15:59:13,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-05 15:59:13,181 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-05 15:59:13,188 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:59:13" (1/1) ... [2021-07-05 15:59:13,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:59:13" (1/1) ... [2021-07-05 15:59:13,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:59:13" (1/1) ... [2021-07-05 15:59:13,211 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:59:13" (1/1) ... [2021-07-05 15:59:13,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:59:13" (1/1) ... [2021-07-05 15:59:13,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:59:13" (1/1) ... [2021-07-05 15:59:13,240 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:59:13" (1/1) ... [2021-07-05 15:59:13,243 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-05 15:59:13,244 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-05 15:59:13,244 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-05 15:59:13,244 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-05 15:59:13,249 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:59:13" (1/1) ... [2021-07-05 15:59:13,253 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 15:59:13,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 15:59:13,271 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 15:59:13,273 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 15:59:13,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-05 15:59:13,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-05 15:59:13,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-05 15:59:13,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-05 15:59:13,305 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-07-05 15:59:13,306 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-07-05 15:59:13,306 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-07-05 15:59:13,306 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-07-05 15:59:13,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-05 15:59:13,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-05 15:59:13,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-05 15:59:13,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-05 15:59:13,308 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 15:59:14,894 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-05 15:59:14,894 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-07-05 15:59:14,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 03:59:14 BoogieIcfgContainer [2021-07-05 15:59:14,896 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-05 15:59:14,898 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-05 15:59:14,898 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-05 15:59:14,900 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-05 15:59:14,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.07 03:59:12" (1/3) ... [2021-07-05 15:59:14,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7008a887 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 03:59:14, skipping insertion in model container [2021-07-05 15:59:14,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:59:13" (2/3) ... [2021-07-05 15:59:14,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7008a887 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 03:59:14, skipping insertion in model container [2021-07-05 15:59:14,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 03:59:14" (3/3) ... [2021-07-05 15:59:14,903 INFO L111 eAbstractionObserver]: Analyzing ICFG safe029_pso.oepc.i [2021-07-05 15:59:14,910 WARN L144 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-05 15:59:14,911 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-05 15:59:14,911 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-07-05 15:59:14,911 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-05 15:59:14,940 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,941 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,941 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,941 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,941 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,941 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,941 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,942 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,942 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,942 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,942 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,942 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,942 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,943 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,943 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,943 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,943 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,943 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,944 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,944 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,944 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,944 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,944 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,945 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,946 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,946 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,946 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,946 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,946 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,947 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,947 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,948 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,948 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,948 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,948 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,949 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,949 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,949 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,949 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,950 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,950 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,951 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,951 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,951 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,951 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,951 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,952 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,952 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,952 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,952 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,952 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,953 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,953 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,953 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,953 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,955 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,955 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,956 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,956 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,956 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,956 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,956 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,956 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,957 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,957 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,958 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,958 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,959 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,959 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,959 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,960 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,960 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,960 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,960 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,961 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,961 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,961 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:14,962 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-05 15:59:15,004 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P0Err0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 15:59:15,011 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 15:59:15,011 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 15:59:15,029 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-07-05 15:59:15,038 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 85 transitions, 180 flow [2021-07-05 15:59:15,041 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 85 transitions, 180 flow [2021-07-05 15:59:15,043 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 85 transitions, 180 flow [2021-07-05 15:59:15,068 INFO L129 PetriNetUnfolder]: 2/83 cut-off events. [2021-07-05 15:59:15,068 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-07-05 15:59:15,073 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 83 events. 2/83 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 42 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2021-07-05 15:59:15,078 INFO L116 LiptonReduction]: Number of co-enabled transitions 1004 [2021-07-05 15:59:16,486 WARN L205 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 184 [2021-07-05 15:59:16,836 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2021-07-05 15:59:18,235 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 308 DAG size of output: 264 [2021-07-05 15:59:18,888 WARN L205 SmtUtils]: Spent 638.00 ms on a formula simplification that was a NOOP. DAG size: 261 [2021-07-05 15:59:20,019 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-07-05 15:59:20,414 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-07-05 15:59:20,535 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-07-05 15:59:21,847 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-07-05 15:59:21,999 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-07-05 15:59:22,382 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2021-07-05 15:59:22,535 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-07-05 15:59:22,797 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2021-07-05 15:59:22,918 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-07-05 15:59:22,921 INFO L131 LiptonReduction]: Checked pairs total: 2440 [2021-07-05 15:59:22,921 INFO L133 LiptonReduction]: Total number of compositions: 76 [2021-07-05 15:59:22,932 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 21 transitions, 52 flow [2021-07-05 15:59:22,952 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 194 states, 190 states have (on average 2.6210526315789475) internal successors, (498), 193 states have internal predecessors, (498), 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 15:59:22,956 INFO L276 IsEmpty]: Start isEmpty. Operand has 194 states, 190 states have (on average 2.6210526315789475) internal successors, (498), 193 states have internal predecessors, (498), 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 15:59:22,969 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 15:59:22,971 INFO L374 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 15:59:22,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 15:59:22,977 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 15:59:22,982 INFO L168 Benchmark]: Toolchain (without parser) took 10551.70 ms. Allocated memory was 54.5 MB in the beginning and 220.2 MB in the end (delta: 165.7 MB). Free memory was 30.0 MB in the beginning and 145.9 MB in the end (delta: -115.9 MB). Peak memory consumption was 48.8 MB. Max. memory is 16.1 GB. [2021-07-05 15:59:22,982 INFO L168 Benchmark]: CDTParser took 0.90 ms. Allocated memory is still 54.5 MB. Free memory was 36.2 MB in the beginning and 36.1 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 15:59:22,983 INFO L168 Benchmark]: CACSL2BoogieTranslator took 665.40 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 29.8 MB in the beginning and 43.4 MB in the end (delta: -13.6 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. [2021-07-05 15:59:22,984 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.49 ms. Allocated memory is still 69.2 MB. Free memory was 43.4 MB in the beginning and 40.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-07-05 15:59:22,989 INFO L168 Benchmark]: Boogie Preprocessor took 63.06 ms. Allocated memory is still 69.2 MB. Free memory was 40.6 MB in the beginning and 38.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-05 15:59:22,990 INFO L168 Benchmark]: RCFGBuilder took 1652.18 ms. Allocated memory was 69.2 MB in the beginning and 104.9 MB in the end (delta: 35.7 MB). Free memory was 38.5 MB in the beginning and 51.1 MB in the end (delta: -12.6 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. [2021-07-05 15:59:22,991 INFO L168 Benchmark]: TraceAbstraction took 8082.77 ms. Allocated memory was 104.9 MB in the beginning and 220.2 MB in the end (delta: 115.3 MB). Free memory was 50.0 MB in the beginning and 145.9 MB in the end (delta: -95.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. [2021-07-05 15:59:22,998 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.90 ms. Allocated memory is still 54.5 MB. Free memory was 36.2 MB in the beginning and 36.1 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 665.40 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 29.8 MB in the beginning and 43.4 MB in the end (delta: -13.6 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 82.49 ms. Allocated memory is still 69.2 MB. Free memory was 43.4 MB in the beginning and 40.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 63.06 ms. Allocated memory is still 69.2 MB. Free memory was 40.6 MB in the beginning and 38.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1652.18 ms. Allocated memory was 69.2 MB in the beginning and 104.9 MB in the end (delta: 35.7 MB). Free memory was 38.5 MB in the beginning and 51.1 MB in the end (delta: -12.6 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8082.77 ms. Allocated memory was 104.9 MB in the beginning and 220.2 MB in the end (delta: 115.3 MB). Free memory was 50.0 MB in the beginning and 145.9 MB in the end (delta: -95.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7880.4ms, 90 PlacesBefore, 27 PlacesAfterwards, 85 TransitionsBefore, 21 TransitionsAfterwards, 1004 CoEnabledTransitionPairs, 6 FixpointIterations, 33 TrivialSequentialCompositions, 35 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 1 ChoiceCompositions, 76 TotalNumberOfCompositions, 2440 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1145, positive: 1038, positive conditional: 0, positive unconditional: 1038, negative: 107, negative conditional: 0, negative unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 683, positive: 648, positive conditional: 0, positive unconditional: 648, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 683, positive: 627, positive conditional: 0, positive unconditional: 627, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 56, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 655, positive: 47, positive conditional: 0, positive unconditional: 47, negative: 608, negative conditional: 0, negative unconditional: 608, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1145, positive: 390, positive conditional: 0, positive unconditional: 390, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 683, unknown conditional: 0, unknown unconditional: 683] , Statistics on independence cache: Total cache size (in pairs): 73, Positive cache size: 61, Positive conditional cache size: 0, Positive unconditional cache size: 61, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12 - 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 15:59:23,040 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 15:59:24,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-05 15:59:24,824 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-05 15:59:24,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-05 15:59:24,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-05 15:59:24,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-05 15:59:24,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-05 15:59:24,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-05 15:59:24,877 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-05 15:59:24,881 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-05 15:59:24,882 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-05 15:59:24,883 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-05 15:59:24,884 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-05 15:59:24,886 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-05 15:59:24,887 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-05 15:59:24,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-05 15:59:24,890 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-05 15:59:24,891 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-05 15:59:24,893 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-05 15:59:24,898 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-05 15:59:24,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-05 15:59:24,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-05 15:59:24,902 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-05 15:59:24,903 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-05 15:59:24,908 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-05 15:59:24,909 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-05 15:59:24,909 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-05 15:59:24,910 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-05 15:59:24,911 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-05 15:59:24,911 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-05 15:59:24,912 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-05 15:59:24,912 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-05 15:59:24,914 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-05 15:59:24,914 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-05 15:59:24,915 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-05 15:59:24,915 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-05 15:59:24,916 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-05 15:59:24,916 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-05 15:59:24,916 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-05 15:59:24,917 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-05 15:59:24,918 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-05 15:59:24,922 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-07-05 15:59:24,962 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-05 15:59:24,962 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-05 15:59:24,964 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-05 15:59:24,965 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-05 15:59:24,965 INFO L138 SettingsManager]: * Use SBE=true [2021-07-05 15:59:24,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-05 15:59:24,965 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-05 15:59:24,966 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-05 15:59:24,966 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-05 15:59:24,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-05 15:59:24,967 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-05 15:59:24,967 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-05 15:59:24,967 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-07-05 15:59:24,967 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-07-05 15:59:24,968 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-05 15:59:24,968 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-05 15:59:24,968 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-05 15:59:24,968 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-05 15:59:24,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-05 15:59:24,968 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-05 15:59:24,969 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-05 15:59:24,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 15:59:24,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-05 15:59:24,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-05 15:59:24,970 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-05 15:59:24,970 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-07-05 15:59:24,970 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-07-05 15:59:24,970 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-05 15:59:24,970 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-05 15:59:24,970 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-05 15:59:24,971 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a17df1fba77819f5184121d2d7522e7b6e3b3c7f [2021-07-05 15:59:25,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-05 15:59:25,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-05 15:59:25,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-05 15:59:25,330 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-05 15:59:25,331 INFO L275 PluginConnector]: CDTParser initialized [2021-07-05 15:59:25,331 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe029_pso.oepc.i [2021-07-05 15:59:25,390 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67af3aa5e/a5751042da0f425891a48e2a4648e09d/FLAG208038300 [2021-07-05 15:59:25,925 INFO L306 CDTParser]: Found 1 translation units. [2021-07-05 15:59:25,929 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe029_pso.oepc.i [2021-07-05 15:59:25,943 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67af3aa5e/a5751042da0f425891a48e2a4648e09d/FLAG208038300 [2021-07-05 15:59:26,385 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67af3aa5e/a5751042da0f425891a48e2a4648e09d [2021-07-05 15:59:26,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-05 15:59:26,388 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-05 15:59:26,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-05 15:59:26,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-05 15:59:26,394 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-05 15:59:26,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 03:59:26" (1/1) ... [2021-07-05 15:59:26,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a58a297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:59:26, skipping insertion in model container [2021-07-05 15:59:26,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 03:59:26" (1/1) ... [2021-07-05 15:59:26,404 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-05 15:59:26,445 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-05 15:59:26,551 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/safe029_pso.oepc.i[950,963] [2021-07-05 15:59:26,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 15:59:26,821 INFO L203 MainTranslator]: Completed pre-run [2021-07-05 15:59:26,832 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/safe029_pso.oepc.i[950,963] [2021-07-05 15:59:26,887 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 15:59:26,974 INFO L208 MainTranslator]: Completed translation [2021-07-05 15:59:26,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:59:26 WrapperNode [2021-07-05 15:59:26,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-05 15:59:26,977 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-05 15:59:26,977 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-05 15:59:26,978 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-05 15:59:26,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:59:26" (1/1) ... [2021-07-05 15:59:27,017 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:59:26" (1/1) ... [2021-07-05 15:59:27,056 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-05 15:59:27,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-05 15:59:27,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-05 15:59:27,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-05 15:59:27,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:59:26" (1/1) ... [2021-07-05 15:59:27,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:59:26" (1/1) ... [2021-07-05 15:59:27,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:59:26" (1/1) ... [2021-07-05 15:59:27,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:59:26" (1/1) ... [2021-07-05 15:59:27,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:59:26" (1/1) ... [2021-07-05 15:59:27,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:59:26" (1/1) ... [2021-07-05 15:59:27,113 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:59:26" (1/1) ... [2021-07-05 15:59:27,116 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-05 15:59:27,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-05 15:59:27,117 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-05 15:59:27,117 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-05 15:59:27,118 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:59:26" (1/1) ... [2021-07-05 15:59:27,123 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 15:59:27,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 15:59:27,140 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 15:59:27,166 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 15:59:27,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-05 15:59:27,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-05 15:59:27,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-05 15:59:27,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-07-05 15:59:27,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-07-05 15:59:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-07-05 15:59:27,186 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-07-05 15:59:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-07-05 15:59:27,186 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-07-05 15:59:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-05 15:59:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-05 15:59:27,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-05 15:59:27,188 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 15:59:28,673 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-05 15:59:28,673 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-07-05 15:59:28,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 03:59:28 BoogieIcfgContainer [2021-07-05 15:59:28,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-05 15:59:28,677 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-05 15:59:28,677 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-05 15:59:28,679 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-05 15:59:28,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.07 03:59:26" (1/3) ... [2021-07-05 15:59:28,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29ccb5f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 03:59:28, skipping insertion in model container [2021-07-05 15:59:28,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:59:26" (2/3) ... [2021-07-05 15:59:28,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29ccb5f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 03:59:28, skipping insertion in model container [2021-07-05 15:59:28,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 03:59:28" (3/3) ... [2021-07-05 15:59:28,682 INFO L111 eAbstractionObserver]: Analyzing ICFG safe029_pso.oepc.i [2021-07-05 15:59:28,689 WARN L144 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-05 15:59:28,689 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-05 15:59:28,689 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-07-05 15:59:28,689 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-05 15:59:28,722 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,723 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,723 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,723 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,723 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,723 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,723 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,724 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,724 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,724 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,724 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,724 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,725 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,725 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,725 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,725 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,726 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,726 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,726 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,727 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,727 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,727 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,727 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,728 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,728 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,728 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,728 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,729 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,729 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,729 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,730 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,730 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,731 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,731 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,731 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,731 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,731 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,732 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,732 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,732 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,732 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,732 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,733 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,733 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,733 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,733 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,733 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,733 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,734 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,734 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,734 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,734 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,734 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,735 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,735 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,735 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,736 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,736 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,736 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,736 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,740 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,740 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,740 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,741 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,741 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,741 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,741 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,741 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,741 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,742 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,744 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,745 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,745 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,745 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,745 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,746 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,746 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,746 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,746 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,747 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,747 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,747 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:59:28,749 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-05 15:59:28,791 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P0Err0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 15:59:28,806 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 15:59:28,807 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 15:59:28,818 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-07-05 15:59:28,826 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 86 transitions, 182 flow [2021-07-05 15:59:28,828 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 86 transitions, 182 flow [2021-07-05 15:59:28,830 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 86 transitions, 182 flow [2021-07-05 15:59:28,853 INFO L129 PetriNetUnfolder]: 2/84 cut-off events. [2021-07-05 15:59:28,854 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-07-05 15:59:28,857 INFO L84 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 84 events. 2/84 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 42 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2021-07-05 15:59:28,858 INFO L116 LiptonReduction]: Number of co-enabled transitions 1004 [2021-07-05 15:59:31,775 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 217 DAG size of output: 178 [2021-07-05 15:59:32,241 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2021-07-05 15:59:34,280 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 301 DAG size of output: 258 [2021-07-05 15:59:35,188 WARN L205 SmtUtils]: Spent 903.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2021-07-05 15:59:35,631 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 55 [2021-07-05 15:59:36,023 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 79 [2021-07-05 15:59:36,184 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-07-05 15:59:37,763 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2021-07-05 15:59:38,237 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2021-07-05 15:59:39,206 WARN L205 SmtUtils]: Spent 966.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2021-07-05 15:59:40,092 WARN L205 SmtUtils]: Spent 885.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2021-07-05 15:59:40,537 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2021-07-05 15:59:40,965 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2021-07-05 15:59:41,871 WARN L205 SmtUtils]: Spent 903.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2021-07-05 15:59:42,784 WARN L205 SmtUtils]: Spent 908.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2021-07-05 15:59:43,213 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-07-05 15:59:43,655 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-07-05 15:59:44,538 WARN L205 SmtUtils]: Spent 881.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2021-07-05 15:59:45,441 WARN L205 SmtUtils]: Spent 900.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2021-07-05 15:59:47,097 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2021-07-05 15:59:47,572 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2021-07-05 15:59:48,578 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 271 [2021-07-05 15:59:49,547 WARN L205 SmtUtils]: Spent 968.00 ms on a formula simplification that was a NOOP. DAG size: 271 [2021-07-05 15:59:50,868 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-07-05 15:59:50,986 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-07-05 15:59:51,112 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-07-05 15:59:51,243 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-07-05 15:59:51,554 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2021-07-05 15:59:51,821 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-07-05 15:59:52,082 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-07-05 15:59:52,367 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-07-05 15:59:52,369 INFO L131 LiptonReduction]: Checked pairs total: 2592 [2021-07-05 15:59:52,369 INFO L133 LiptonReduction]: Total number of compositions: 78 [2021-07-05 15:59:52,376 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 26 places, 19 transitions, 48 flow [2021-07-05 15:59:52,389 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 164 states, 160 states have (on average 2.43125) internal successors, (389), 163 states have internal predecessors, (389), 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 15:59:52,391 INFO L276 IsEmpty]: Start isEmpty. Operand has 164 states, 160 states have (on average 2.43125) internal successors, (389), 163 states have internal predecessors, (389), 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 15:59:52,399 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 15:59:52,401 INFO L374 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 15:59:52,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 15:59:52,406 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 15:59:52,409 INFO L168 Benchmark]: Toolchain (without parser) took 26020.92 ms. Allocated memory was 60.8 MB in the beginning and 184.5 MB in the end (delta: 123.7 MB). Free memory was 37.7 MB in the beginning and 151.1 MB in the end (delta: -113.5 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. [2021-07-05 15:59:52,410 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 60.8 MB. Free memory was 42.6 MB in the beginning and 42.5 MB in the end (delta: 39.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 15:59:52,411 INFO L168 Benchmark]: CACSL2BoogieTranslator took 585.61 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 37.5 MB in the beginning and 49.3 MB in the end (delta: -11.8 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2021-07-05 15:59:52,411 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.56 ms. Allocated memory is still 73.4 MB. Free memory was 49.3 MB in the beginning and 46.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-07-05 15:59:52,412 INFO L168 Benchmark]: Boogie Preprocessor took 58.15 ms. Allocated memory is still 73.4 MB. Free memory was 46.5 MB in the beginning and 44.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-05 15:59:52,412 INFO L168 Benchmark]: RCFGBuilder took 1558.57 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 44.1 MB in the beginning and 51.3 MB in the end (delta: -7.1 MB). Peak memory consumption was 31.2 MB. Max. memory is 16.1 GB. [2021-07-05 15:59:52,413 INFO L168 Benchmark]: TraceAbstraction took 23731.10 ms. Allocated memory was 88.1 MB in the beginning and 184.5 MB in the end (delta: 96.5 MB). Free memory was 50.5 MB in the beginning and 151.1 MB in the end (delta: -100.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 15:59:52,415 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 60.8 MB. Free memory was 42.6 MB in the beginning and 42.5 MB in the end (delta: 39.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 585.61 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 37.5 MB in the beginning and 49.3 MB in the end (delta: -11.8 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 80.56 ms. Allocated memory is still 73.4 MB. Free memory was 49.3 MB in the beginning and 46.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 58.15 ms. Allocated memory is still 73.4 MB. Free memory was 46.5 MB in the beginning and 44.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1558.57 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 44.1 MB in the beginning and 51.3 MB in the end (delta: -7.1 MB). Peak memory consumption was 31.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 23731.10 ms. Allocated memory was 88.1 MB in the beginning and 184.5 MB in the end (delta: 96.5 MB). Free memory was 50.5 MB in the beginning and 151.1 MB in the end (delta: -100.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 23541.5ms, 91 PlacesBefore, 26 PlacesAfterwards, 86 TransitionsBefore, 19 TransitionsAfterwards, 1004 CoEnabledTransitionPairs, 7 FixpointIterations, 34 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 2 ChoiceCompositions, 78 TotalNumberOfCompositions, 2592 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1125, positive: 987, positive conditional: 0, positive unconditional: 987, negative: 138, negative conditional: 0, negative unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 703, positive: 639, positive conditional: 0, positive unconditional: 639, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 703, positive: 631, positive conditional: 0, positive unconditional: 631, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 72, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2347, positive: 394, positive conditional: 0, positive unconditional: 394, negative: 1953, negative conditional: 0, negative unconditional: 1953, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1125, positive: 348, positive conditional: 0, positive unconditional: 348, negative: 74, negative conditional: 0, negative unconditional: 74, unknown: 703, unknown conditional: 0, unknown unconditional: 703] , Statistics on independence cache: Total cache size (in pairs): 67, Positive cache size: 47, Positive conditional cache size: 0, Positive unconditional cache size: 47, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20 - 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 15:59:52,465 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...