./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_03-munge_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5e519f3a 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_659d2401-afeb-4980-9c44-38b9c2a90aaa/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659d2401-afeb-4980-9c44-38b9c2a90aaa/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659d2401-afeb-4980-9c44-38b9c2a90aaa/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659d2401-afeb-4980-9c44-38b9c2a90aaa/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_03-munge_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659d2401-afeb-4980-9c44-38b9c2a90aaa/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659d2401-afeb-4980-9c44-38b9c2a90aaa/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7df5d4e763d99c6ca9aa3d4daa03dcc5b8b9d65829db9a89ff85ebe5a14f3ac3 --- 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-5e519f3 [2022-11-02 20:50:18,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:50:18,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:50:18,386 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:50:18,387 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:50:18,392 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:50:18,394 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:50:18,397 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:50:18,400 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:50:18,403 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:50:18,405 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:50:18,409 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:50:18,409 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:50:18,416 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:50:18,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:50:18,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:50:18,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:50:18,423 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:50:18,425 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:50:18,427 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:50:18,434 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:50:18,435 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:50:18,436 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:50:18,438 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:50:18,442 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:50:18,445 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:50:18,446 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:50:18,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:50:18,448 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:50:18,449 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:50:18,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:50:18,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:50:18,453 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:50:18,454 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:50:18,455 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:50:18,456 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:50:18,457 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:50:18,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:50:18,457 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:50:18,458 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:50:18,459 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:50:18,460 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659d2401-afeb-4980-9c44-38b9c2a90aaa/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-02 20:50:18,497 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:50:18,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:50:18,502 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:50:18,502 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:50:18,503 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:50:18,503 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:50:18,504 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:50:18,504 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:50:18,505 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:50:18,505 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:50:18,506 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:50:18,506 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:50:18,506 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:50:18,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:50:18,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:50:18,507 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:50:18,507 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:50:18,508 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:50:18,508 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-02 20:50:18,508 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:50:18,508 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:50:18,508 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:50:18,509 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:50:18,509 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:50:18,509 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:50:18,509 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:50:18,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:50:18,510 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:50:18,510 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:50:18,510 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:50:18,512 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:50:18,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:50:18,512 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:50:18,513 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_659d2401-afeb-4980-9c44-38b9c2a90aaa/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659d2401-afeb-4980-9c44-38b9c2a90aaa/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7df5d4e763d99c6ca9aa3d4daa03dcc5b8b9d65829db9a89ff85ebe5a14f3ac3 [2022-11-02 20:50:18,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:50:18,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:50:18,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:50:18,890 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:50:18,891 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:50:18,892 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659d2401-afeb-4980-9c44-38b9c2a90aaa/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/goblint-regression/28-race_reach_03-munge_racing.i [2022-11-02 20:50:18,960 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659d2401-afeb-4980-9c44-38b9c2a90aaa/bin/uautomizer-Dbtcem3rbc/data/9bf869647/eca724c09a124f8387ce3e7dc2f7e5e2/FLAG13ef13399 [2022-11-02 20:50:19,600 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:50:19,606 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659d2401-afeb-4980-9c44-38b9c2a90aaa/sv-benchmarks/c/goblint-regression/28-race_reach_03-munge_racing.i [2022-11-02 20:50:19,618 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659d2401-afeb-4980-9c44-38b9c2a90aaa/bin/uautomizer-Dbtcem3rbc/data/9bf869647/eca724c09a124f8387ce3e7dc2f7e5e2/FLAG13ef13399 [2022-11-02 20:50:19,851 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659d2401-afeb-4980-9c44-38b9c2a90aaa/bin/uautomizer-Dbtcem3rbc/data/9bf869647/eca724c09a124f8387ce3e7dc2f7e5e2 [2022-11-02 20:50:19,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:50:19,858 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:50:19,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:50:19,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:50:19,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:50:19,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:50:19" (1/1) ... [2022-11-02 20:50:19,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f9c0845 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:19, skipping insertion in model container [2022-11-02 20:50:19,866 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:50:19" (1/1) ... [2022-11-02 20:50:19,874 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:50:19,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:50:20,308 WARN L230 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_659d2401-afeb-4980-9c44-38b9c2a90aaa/sv-benchmarks/c/goblint-regression/28-race_reach_03-munge_racing.i[30176,30189] [2022-11-02 20:50:20,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:50:20,361 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:50:20,415 WARN L230 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_659d2401-afeb-4980-9c44-38b9c2a90aaa/sv-benchmarks/c/goblint-regression/28-race_reach_03-munge_racing.i[30176,30189] [2022-11-02 20:50:20,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:50:20,467 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:50:20,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:20 WrapperNode [2022-11-02 20:50:20,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:50:20,469 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:50:20,469 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:50:20,469 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:50:20,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:20" (1/1) ... [2022-11-02 20:50:20,506 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:20" (1/1) ... [2022-11-02 20:50:20,553 INFO L138 Inliner]: procedures = 172, calls = 43, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 215 [2022-11-02 20:50:20,553 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:50:20,554 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:50:20,554 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:50:20,554 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:50:20,563 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:20" (1/1) ... [2022-11-02 20:50:20,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:20" (1/1) ... [2022-11-02 20:50:20,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:20" (1/1) ... [2022-11-02 20:50:20,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:20" (1/1) ... [2022-11-02 20:50:20,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:20" (1/1) ... [2022-11-02 20:50:20,579 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:20" (1/1) ... [2022-11-02 20:50:20,581 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:20" (1/1) ... [2022-11-02 20:50:20,583 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:20" (1/1) ... [2022-11-02 20:50:20,586 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:50:20,587 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:50:20,587 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:50:20,587 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:50:20,588 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:20" (1/1) ... [2022-11-02 20:50:20,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:50:20,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659d2401-afeb-4980-9c44-38b9c2a90aaa/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:50:20,618 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659d2401-afeb-4980-9c44-38b9c2a90aaa/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:50:20,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659d2401-afeb-4980-9c44-38b9c2a90aaa/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:50:20,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:50:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2022-11-02 20:50:20,671 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2022-11-02 20:50:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:50:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-02 20:50:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:50:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:50:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2022-11-02 20:50:20,672 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2022-11-02 20:50:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:50:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:50:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:50:20,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:50:20,674 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-02 20:50:20,886 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:50:20,889 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:50:21,366 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:50:21,377 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:50:21,378 INFO L300 CfgBuilder]: Removed 24 assume(true) statements. [2022-11-02 20:50:21,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:50:21 BoogieIcfgContainer [2022-11-02 20:50:21,381 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:50:21,386 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:50:21,386 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:50:21,390 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:50:21,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:50:19" (1/3) ... [2022-11-02 20:50:21,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53e1a66b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:50:21, skipping insertion in model container [2022-11-02 20:50:21,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:20" (2/3) ... [2022-11-02 20:50:21,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53e1a66b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:50:21, skipping insertion in model container [2022-11-02 20:50:21,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:50:21" (3/3) ... [2022-11-02 20:50:21,395 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_03-munge_racing.i [2022-11-02 20:50:21,405 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-02 20:50:21,417 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:50:21,418 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-11-02 20:50:21,418 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-02 20:50:21,565 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-11-02 20:50:21,641 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-02 20:50:21,672 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 211 places, 238 transitions, 498 flow [2022-11-02 20:50:21,676 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 211 places, 238 transitions, 498 flow [2022-11-02 20:50:21,678 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 211 places, 238 transitions, 498 flow [2022-11-02 20:50:21,873 INFO L130 PetriNetUnfolder]: 58/429 cut-off events. [2022-11-02 20:50:21,873 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-11-02 20:50:21,884 INFO L83 FinitePrefix]: Finished finitePrefix Result has 449 conditions, 429 events. 58/429 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1912 event pairs, 0 based on Foata normal form. 0/335 useless extension candidates. Maximal degree in co-relation 227. Up to 8 conditions per place. [2022-11-02 20:50:21,904 INFO L118 LiptonReduction]: Number of co-enabled transitions 23936 [2022-11-02 20:50:29,207 INFO L133 LiptonReduction]: Checked pairs total: 38464 [2022-11-02 20:50:29,207 INFO L135 LiptonReduction]: Total number of compositions: 208 [2022-11-02 20:50:29,217 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 72 places, 94 transitions, 210 flow [2022-11-02 20:50:29,549 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 5708 states, 5474 states have (on average 3.8635367190354404) internal successors, (21149), 5707 states have internal predecessors, (21149), 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) [2022-11-02 20:50:29,580 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:50:29,591 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=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@3cb527e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:50:29,592 INFO L358 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2022-11-02 20:50:29,617 INFO L276 IsEmpty]: Start isEmpty. Operand has 5708 states, 5474 states have (on average 3.8635367190354404) internal successors, (21149), 5707 states have internal predecessors, (21149), 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) [2022-11-02 20:50:29,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-02 20:50:29,623 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:50:29,624 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-02 20:50:29,626 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-11-02 20:50:29,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:50:29,635 INFO L85 PathProgramCache]: Analyzing trace with hash 29740400, now seen corresponding path program 1 times [2022-11-02 20:50:29,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:50:29,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930385625] [2022-11-02 20:50:29,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:50:29,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:50:29,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:30,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:50:30,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:50:30,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930385625] [2022-11-02 20:50:30,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930385625] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:50:30,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:50:30,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-02 20:50:30,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831566952] [2022-11-02 20:50:30,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:50:30,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:50:30,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:50:30,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:50:30,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:50:30,181 INFO L87 Difference]: Start difference. First operand has 5708 states, 5474 states have (on average 3.8635367190354404) internal successors, (21149), 5707 states have internal predecessors, (21149), 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 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) [2022-11-02 20:50:30,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:50:30,541 INFO L93 Difference]: Finished difference Result 5538 states and 15537 transitions. [2022-11-02 20:50:30,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:50:30,545 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 [2022-11-02 20:50:30,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:50:30,614 INFO L225 Difference]: With dead ends: 5538 [2022-11-02 20:50:30,614 INFO L226 Difference]: Without dead ends: 5454 [2022-11-02 20:50:30,615 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 [2022-11-02 20:50:30,619 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 21 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:50:30,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 20 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:50:30,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5454 states. [2022-11-02 20:50:30,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5454 to 5454. [2022-11-02 20:50:30,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5454 states, 5250 states have (on average 2.9123809523809525) internal successors, (15290), 5453 states have internal predecessors, (15290), 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) [2022-11-02 20:50:30,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5454 states to 5454 states and 15290 transitions. [2022-11-02 20:50:30,974 INFO L78 Accepts]: Start accepts. Automaton has 5454 states and 15290 transitions. Word has length 4 [2022-11-02 20:50:30,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:50:30,974 INFO L495 AbstractCegarLoop]: Abstraction has 5454 states and 15290 transitions. [2022-11-02 20:50:30,975 INFO L496 AbstractCegarLoop]: INTERPOLANT 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) [2022-11-02 20:50:30,975 INFO L276 IsEmpty]: Start isEmpty. Operand 5454 states and 15290 transitions. [2022-11-02 20:50:30,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-02 20:50:30,976 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:50:30,976 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2022-11-02 20:50:30,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:50:30,982 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-11-02 20:50:30,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:50:30,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1484172414, now seen corresponding path program 1 times [2022-11-02 20:50:30,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:50:30,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140333720] [2022-11-02 20:50:30,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:50:30,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:50:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:50:31,037 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:50:31,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:50:31,113 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:50:31,113 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-02 20:50:31,116 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 26 remaining) [2022-11-02 20:50:31,119 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 26 remaining) [2022-11-02 20:50:31,119 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 26 remaining) [2022-11-02 20:50:31,120 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 26 remaining) [2022-11-02 20:50:31,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 26 remaining) [2022-11-02 20:50:31,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 26 remaining) [2022-11-02 20:50:31,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 26 remaining) [2022-11-02 20:50:31,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 26 remaining) [2022-11-02 20:50:31,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 26 remaining) [2022-11-02 20:50:31,129 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 26 remaining) [2022-11-02 20:50:31,129 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 26 remaining) [2022-11-02 20:50:31,130 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 26 remaining) [2022-11-02 20:50:31,130 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 26 remaining) [2022-11-02 20:50:31,132 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 26 remaining) [2022-11-02 20:50:31,132 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 26 remaining) [2022-11-02 20:50:31,138 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 26 remaining) [2022-11-02 20:50:31,138 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 26 remaining) [2022-11-02 20:50:31,139 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 26 remaining) [2022-11-02 20:50:31,139 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 26 remaining) [2022-11-02 20:50:31,139 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 26 remaining) [2022-11-02 20:50:31,139 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 26 remaining) [2022-11-02 20:50:31,140 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 26 remaining) [2022-11-02 20:50:31,140 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 26 remaining) [2022-11-02 20:50:31,140 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 26 remaining) [2022-11-02 20:50:31,141 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 26 remaining) [2022-11-02 20:50:31,141 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 26 remaining) [2022-11-02 20:50:31,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:50:31,144 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-02 20:50:31,150 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-02 20:50:31,151 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-11-02 20:50:31,276 INFO L144 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2022-11-02 20:50:31,282 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-02 20:50:31,282 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 321 places, 372 transitions, 792 flow [2022-11-02 20:50:31,283 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 321 places, 372 transitions, 792 flow [2022-11-02 20:50:31,283 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 321 places, 372 transitions, 792 flow [2022-11-02 20:50:31,721 INFO L130 PetriNetUnfolder]: 197/1295 cut-off events. [2022-11-02 20:50:31,722 INFO L131 PetriNetUnfolder]: For 72/78 co-relation queries the response was YES. [2022-11-02 20:50:31,760 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1392 conditions, 1295 events. 197/1295 cut-off events. For 72/78 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 8217 event pairs, 1 based on Foata normal form. 0/1003 useless extension candidates. Maximal degree in co-relation 778. Up to 32 conditions per place. [2022-11-02 20:50:31,860 INFO L118 LiptonReduction]: Number of co-enabled transitions 83200 [2022-11-02 20:50:41,043 INFO L133 LiptonReduction]: Checked pairs total: 178182 [2022-11-02 20:50:41,043 INFO L135 LiptonReduction]: Total number of compositions: 316 [2022-11-02 20:50:41,045 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 120 places, 163 transitions, 374 flow