./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/safe016_power.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7466e1fe-a55f-4941-aecc-ef4f796254fe/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7466e1fe-a55f-4941-aecc-ef4f796254fe/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7466e1fe-a55f-4941-aecc-ef4f796254fe/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7466e1fe-a55f-4941-aecc-ef4f796254fe/bin/uautomizer-tPACEb0tL8/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/safe016_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7466e1fe-a55f-4941-aecc-ef4f796254fe/bin/uautomizer-tPACEb0tL8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7466e1fe-a55f-4941-aecc-ef4f796254fe/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6b69d29db6700923687b32c5d8fab6e8f05fe2198d87348098263d957793e472 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:12:35,432 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:12:35,435 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:12:35,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:12:35,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:12:35,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:12:35,457 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:12:35,459 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:12:35,461 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:12:35,462 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:12:35,463 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:12:35,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:12:35,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:12:35,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:12:35,467 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:12:35,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:12:35,470 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:12:35,471 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:12:35,473 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:12:35,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:12:35,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:12:35,478 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:12:35,479 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:12:35,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:12:35,484 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:12:35,484 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:12:35,485 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:12:35,486 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:12:35,486 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:12:35,495 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:12:35,496 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:12:35,497 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:12:35,498 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:12:35,500 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:12:35,502 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:12:35,503 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:12:35,504 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:12:35,504 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:12:35,505 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:12:35,506 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:12:35,506 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:12:35,507 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7466e1fe-a55f-4941-aecc-ef4f796254fe/bin/uautomizer-tPACEb0tL8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-11-16 11:12:35,544 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:12:35,549 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:12:35,550 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:12:35,550 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:12:35,552 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:12:35,552 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:12:35,553 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:12:35,553 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:12:35,553 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:12:35,553 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:12:35,554 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:12:35,555 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:12:35,555 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:12:35,555 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:12:35,555 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:12:35,555 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-16 11:12:35,556 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-16 11:12:35,556 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-16 11:12:35,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:12:35,556 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 11:12:35,557 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:12:35,557 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:12:35,557 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:12:35,557 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:12:35,557 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:12:35,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:12:35,559 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:12:35,559 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:12:35,560 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:12:35,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:12:35,560 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7466e1fe-a55f-4941-aecc-ef4f796254fe/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7466e1fe-a55f-4941-aecc-ef4f796254fe/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b69d29db6700923687b32c5d8fab6e8f05fe2198d87348098263d957793e472 [2022-11-16 11:12:35,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:12:35,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:12:35,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:12:35,903 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:12:35,904 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:12:35,906 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7466e1fe-a55f-4941-aecc-ef4f796254fe/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/pthread-wmm/safe016_power.opt.i [2022-11-16 11:12:35,983 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7466e1fe-a55f-4941-aecc-ef4f796254fe/bin/uautomizer-tPACEb0tL8/data/b9fc29940/7ffa58f9e2c14f7dad0cc9ca1a356583/FLAGff64bfaf2 [2022-11-16 11:12:36,628 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:12:36,635 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7466e1fe-a55f-4941-aecc-ef4f796254fe/sv-benchmarks/c/pthread-wmm/safe016_power.opt.i [2022-11-16 11:12:36,657 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7466e1fe-a55f-4941-aecc-ef4f796254fe/bin/uautomizer-tPACEb0tL8/data/b9fc29940/7ffa58f9e2c14f7dad0cc9ca1a356583/FLAGff64bfaf2 [2022-11-16 11:12:36,872 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7466e1fe-a55f-4941-aecc-ef4f796254fe/bin/uautomizer-tPACEb0tL8/data/b9fc29940/7ffa58f9e2c14f7dad0cc9ca1a356583 [2022-11-16 11:12:36,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:12:36,877 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:12:36,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:12:36,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:12:36,886 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:12:36,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:12:36" (1/1) ... [2022-11-16 11:12:36,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67290cb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:36, skipping insertion in model container [2022-11-16 11:12:36,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:12:36" (1/1) ... [2022-11-16 11:12:36,897 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:12:36,960 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:12:37,225 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7466e1fe-a55f-4941-aecc-ef4f796254fe/sv-benchmarks/c/pthread-wmm/safe016_power.opt.i[951,964] [2022-11-16 11:12:37,568 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:12:37,576 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:12:37,589 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7466e1fe-a55f-4941-aecc-ef4f796254fe/sv-benchmarks/c/pthread-wmm/safe016_power.opt.i[951,964] [2022-11-16 11:12:37,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:12:37,729 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:12:37,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:37 WrapperNode [2022-11-16 11:12:37,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:12:37,732 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:12:37,732 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:12:37,733 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:12:37,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:37" (1/1) ... [2022-11-16 11:12:37,779 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:37" (1/1) ... [2022-11-16 11:12:37,822 INFO L138 Inliner]: procedures = 177, calls = 91, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 181 [2022-11-16 11:12:37,823 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:12:37,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:12:37,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:12:37,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:12:37,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:37" (1/1) ... [2022-11-16 11:12:37,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:37" (1/1) ... [2022-11-16 11:12:37,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:37" (1/1) ... [2022-11-16 11:12:37,853 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:37" (1/1) ... [2022-11-16 11:12:37,863 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:37" (1/1) ... [2022-11-16 11:12:37,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:37" (1/1) ... [2022-11-16 11:12:37,869 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:37" (1/1) ... [2022-11-16 11:12:37,872 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:37" (1/1) ... [2022-11-16 11:12:37,876 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:12:37,877 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:12:37,877 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:12:37,877 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:12:37,878 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:37" (1/1) ... [2022-11-16 11:12:37,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:12:37,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7466e1fe-a55f-4941-aecc-ef4f796254fe/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:12:37,928 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7466e1fe-a55f-4941-aecc-ef4f796254fe/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:12:37,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7466e1fe-a55f-4941-aecc-ef4f796254fe/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:12:37,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:12:37,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:12:37,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 11:12:37,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:12:37,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:12:37,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:12:37,982 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-16 11:12:37,982 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-16 11:12:37,982 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-16 11:12:37,982 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-16 11:12:37,983 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-16 11:12:37,984 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-16 11:12:37,984 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-11-16 11:12:37,984 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-11-16 11:12:37,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:12:37,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 11:12:37,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:12:37,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:12:37,987 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 11:12:38,219 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:12:38,223 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:12:39,110 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:12:40,200 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:12:40,200 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 11:12:40,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:12:40 BoogieIcfgContainer [2022-11-16 11:12:40,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:12:40,207 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:12:40,207 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:12:40,210 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:12:40,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:12:36" (1/3) ... [2022-11-16 11:12:40,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@637e7ca5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:12:40, skipping insertion in model container [2022-11-16 11:12:40,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:37" (2/3) ... [2022-11-16 11:12:40,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@637e7ca5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:12:40, skipping insertion in model container [2022-11-16 11:12:40,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:12:40" (3/3) ... [2022-11-16 11:12:40,214 INFO L112 eAbstractionObserver]: Analyzing ICFG safe016_power.opt.i [2022-11-16 11:12:40,234 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:12:40,234 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 64 error locations. [2022-11-16 11:12:40,234 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 11:12:40,432 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-16 11:12:40,480 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-16 11:12:40,499 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 228 places, 217 transitions, 454 flow [2022-11-16 11:12:40,504 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 228 places, 217 transitions, 454 flow [2022-11-16 11:12:40,507 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 228 places, 217 transitions, 454 flow [2022-11-16 11:12:40,660 INFO L130 PetriNetUnfolder]: 2/213 cut-off events. [2022-11-16 11:12:40,661 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:12:40,668 INFO L83 FinitePrefix]: Finished finitePrefix Result has 226 conditions, 213 events. 2/213 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 367 event pairs, 0 based on Foata normal form. 0/147 useless extension candidates. Maximal degree in co-relation 151. Up to 2 conditions per place. [2022-11-16 11:12:40,676 INFO L119 LiptonReduction]: Number of co-enabled transitions 11266 [2022-11-16 11:13:06,927 WARN L233 SmtUtils]: Spent 5.83s on a formula simplification. DAG size of input: 263 DAG size of output: 260 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 11:13:28,799 INFO L134 LiptonReduction]: Checked pairs total: 52040 [2022-11-16 11:13:28,799 INFO L136 LiptonReduction]: Total number of compositions: 208 [2022-11-16 11:13:28,808 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 113 places, 101 transitions, 222 flow [2022-11-16 11:13:50,465 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 630343 states, 520127 states have (on average 5.602783550940443) internal successors, (2914159), 630342 states have internal predecessors, (2914159), 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) [2022-11-16 11:13:50,519 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:13:50,532 INFO L357 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=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@19ead8fe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:13:50,532 INFO L358 AbstractCegarLoop]: Starting to check reachability of 104 error locations. [2022-11-16 11:13:51,392 INFO L276 IsEmpty]: Start isEmpty. Operand has 630343 states, 520127 states have (on average 5.602783550940443) internal successors, (2914159), 630342 states have internal predecessors, (2914159), 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) [2022-11-16 11:13:51,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-16 11:13:51,396 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:13:51,397 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-16 11:13:51,398 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 101 more)] === [2022-11-16 11:13:51,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:13:51,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1478, now seen corresponding path program 1 times [2022-11-16 11:13:51,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:13:51,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49953616] [2022-11-16 11:13:51,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:13:51,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:13:51,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:51,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:13:51,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:13:51,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49953616] [2022-11-16 11:13:51,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49953616] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:13:51,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:13:51,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-16 11:13:51,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279715732] [2022-11-16 11:13:51,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:13:51,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 11:13:51,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:13:51,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 11:13:51,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:13:52,891 INFO L87 Difference]: Start difference. First operand has 630343 states, 520127 states have (on average 5.602783550940443) internal successors, (2914159), 630342 states have internal predecessors, (2914159), 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) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2022-11-16 11:14:00,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:14:00,608 INFO L93 Difference]: Finished difference Result 178219 states and 805045 transitions. [2022-11-16 11:14:00,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 11:14:00,611 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) Word has length 1 [2022-11-16 11:14:00,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:14:03,942 INFO L225 Difference]: With dead ends: 178219 [2022-11-16 11:14:03,942 INFO L226 Difference]: Without dead ends: 178219 [2022-11-16 11:14:03,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:14:03,947 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:14:03,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 11:14:04,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178219 states. [2022-11-16 11:14:13,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178219 to 178219. [2022-11-16 11:14:13,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178219 states, 159355 states have (on average 5.05189670860657) internal successors, (805045), 178218 states have internal predecessors, (805045), 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) [2022-11-16 11:14:17,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178219 states to 178219 states and 805045 transitions. [2022-11-16 11:14:17,500 INFO L78 Accepts]: Start accepts. Automaton has 178219 states and 805045 transitions. Word has length 1 [2022-11-16 11:14:17,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:14:17,501 INFO L495 AbstractCegarLoop]: Abstraction has 178219 states and 805045 transitions. [2022-11-16 11:14:17,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2022-11-16 11:14:17,502 INFO L276 IsEmpty]: Start isEmpty. Operand 178219 states and 805045 transitions. [2022-11-16 11:14:17,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-16 11:14:17,502 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:14:17,503 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-16 11:14:17,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:14:17,503 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 101 more)] === [2022-11-16 11:14:17,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:14:17,504 INFO L85 PathProgramCache]: Analyzing trace with hash 45289137, now seen corresponding path program 1 times [2022-11-16 11:14:17,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:14:17,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110790363] [2022-11-16 11:14:17,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:14:17,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:14:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:17,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:14:17,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:14:17,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110790363] [2022-11-16 11:14:17,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110790363] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:14:17,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:14:17,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-16 11:14:17,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278946338] [2022-11-16 11:14:17,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:14:17,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:14:17,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:14:17,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:14:17,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:14:17,874 INFO L87 Difference]: Start difference. First operand 178219 states and 805045 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-11-16 11:14:19,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:14:19,473 INFO L93 Difference]: Finished difference Result 120686 states and 484344 transitions. [2022-11-16 11:14:19,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:14:19,474 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) Word has length 4 [2022-11-16 11:14:19,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:14:21,450 INFO L225 Difference]: With dead ends: 120686 [2022-11-16 11:14:21,451 INFO L226 Difference]: Without dead ends: 120678 [2022-11-16 11:14:21,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:14:21,454 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 39 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:14:21,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 3 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 11:14:21,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120678 states.