./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_09-ptrmunge_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_ed82fc9f-93de-4a03-82e5-616c778ae251/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed82fc9f-93de-4a03-82e5-616c778ae251/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_ed82fc9f-93de-4a03-82e5-616c778ae251/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed82fc9f-93de-4a03-82e5-616c778ae251/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_09-ptrmunge_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed82fc9f-93de-4a03-82e5-616c778ae251/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed82fc9f-93de-4a03-82e5-616c778ae251/bin/uautomizer-Dbtcem3rbc --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 7b88fee59ad03447f68c116aa52c40e006cc633d8116aa4d446048afd18fa64f --- 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 20:44:49,409 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:44:49,411 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:44:49,444 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:44:49,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:44:49,446 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:44:49,448 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:44:49,450 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:44:49,452 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:44:49,453 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:44:49,454 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:44:49,456 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:44:49,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:44:49,458 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:44:49,459 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:44:49,461 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:44:49,462 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:44:49,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:44:49,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:44:49,467 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:44:49,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:44:49,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:44:49,472 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:44:49,473 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:44:49,478 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:44:49,478 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:44:49,478 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:44:49,479 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:44:49,480 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:44:49,481 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:44:49,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:44:49,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:44:49,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:44:49,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:44:49,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:44:49,486 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:44:49,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:44:49,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:44:49,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:44:49,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:44:49,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:44:49,493 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed82fc9f-93de-4a03-82e5-616c778ae251/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-02 20:44:49,539 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:44:49,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:44:49,544 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:44:49,544 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:44:49,545 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:44:49,546 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:44:49,547 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:44:49,547 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:44:49,547 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:44:49,548 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:44:49,549 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:44:49,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:44:49,550 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:44:49,550 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:44:49,550 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:44:49,550 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:44:49,551 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:44:49,551 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:44:49,551 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:44:49,551 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:44:49,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:44:49,552 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:44:49,552 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:44:49,553 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:44:49,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:44:49,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:44:49,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:44:49,554 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:44:49,554 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:44:49,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:44:49,555 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:44:49,555 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:44:49,555 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:44:49,556 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_ed82fc9f-93de-4a03-82e5-616c778ae251/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed82fc9f-93de-4a03-82e5-616c778ae251/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b88fee59ad03447f68c116aa52c40e006cc633d8116aa4d446048afd18fa64f [2022-11-02 20:44:49,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:44:49,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:44:49,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:44:49,997 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:44:49,998 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:44:50,000 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed82fc9f-93de-4a03-82e5-616c778ae251/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/goblint-regression/28-race_reach_09-ptrmunge_racing.i [2022-11-02 20:44:50,078 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed82fc9f-93de-4a03-82e5-616c778ae251/bin/uautomizer-Dbtcem3rbc/data/db63e6320/0f14560acf2b4e3f9c2fe6ad3471338f/FLAG50ef360ad [2022-11-02 20:44:50,828 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:44:50,829 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed82fc9f-93de-4a03-82e5-616c778ae251/sv-benchmarks/c/goblint-regression/28-race_reach_09-ptrmunge_racing.i [2022-11-02 20:44:50,845 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed82fc9f-93de-4a03-82e5-616c778ae251/bin/uautomizer-Dbtcem3rbc/data/db63e6320/0f14560acf2b4e3f9c2fe6ad3471338f/FLAG50ef360ad [2022-11-02 20:44:51,045 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed82fc9f-93de-4a03-82e5-616c778ae251/bin/uautomizer-Dbtcem3rbc/data/db63e6320/0f14560acf2b4e3f9c2fe6ad3471338f [2022-11-02 20:44:51,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:44:51,055 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:44:51,059 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:44:51,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:44:51,064 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:44:51,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:44:51" (1/1) ... [2022-11-02 20:44:51,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35270f26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:51, skipping insertion in model container [2022-11-02 20:44:51,068 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:44:51" (1/1) ... [2022-11-02 20:44:51,077 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:44:51,150 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:44:51,664 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_ed82fc9f-93de-4a03-82e5-616c778ae251/sv-benchmarks/c/goblint-regression/28-race_reach_09-ptrmunge_racing.i[30176,30189] [2022-11-02 20:44:51,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:44:51,704 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:44:51,754 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_ed82fc9f-93de-4a03-82e5-616c778ae251/sv-benchmarks/c/goblint-regression/28-race_reach_09-ptrmunge_racing.i[30176,30189] [2022-11-02 20:44:51,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:44:51,820 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:44:51,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:51 WrapperNode [2022-11-02 20:44:51,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:44:51,822 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:44:51,823 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:44:51,823 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:44:51,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:51" (1/1) ... [2022-11-02 20:44:51,861 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:51" (1/1) ... [2022-11-02 20:44:51,920 INFO L138 Inliner]: procedures = 172, calls = 50, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 216 [2022-11-02 20:44:51,921 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:44:51,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:44:51,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:44:51,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:44:51,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:51" (1/1) ... [2022-11-02 20:44:51,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:51" (1/1) ... [2022-11-02 20:44:51,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:51" (1/1) ... [2022-11-02 20:44:51,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:51" (1/1) ... [2022-11-02 20:44:51,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:51" (1/1) ... [2022-11-02 20:44:51,985 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:51" (1/1) ... [2022-11-02 20:44:51,987 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:51" (1/1) ... [2022-11-02 20:44:51,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:51" (1/1) ... [2022-11-02 20:44:51,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:44:51,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:44:51,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:44:51,999 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:44:52,001 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:51" (1/1) ... [2022-11-02 20:44:52,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:44:52,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed82fc9f-93de-4a03-82e5-616c778ae251/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:44:52,054 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed82fc9f-93de-4a03-82e5-616c778ae251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:44:52,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed82fc9f-93de-4a03-82e5-616c778ae251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:44:52,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:44:52,116 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2022-11-02 20:44:52,116 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2022-11-02 20:44:52,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:44:52,116 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-02 20:44:52,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:44:52,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:44:52,117 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2022-11-02 20:44:52,118 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2022-11-02 20:44:52,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:44:52,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:44:52,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:44:52,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:44:52,121 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 20:44:52,312 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:44:52,314 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:44:52,793 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:44:52,804 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:44:52,805 INFO L300 CfgBuilder]: Removed 24 assume(true) statements. [2022-11-02 20:44:52,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:44:52 BoogieIcfgContainer [2022-11-02 20:44:52,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:44:52,810 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:44:52,811 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:44:52,815 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:44:52,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:44:51" (1/3) ... [2022-11-02 20:44:52,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@718ba86c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:44:52, skipping insertion in model container [2022-11-02 20:44:52,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:51" (2/3) ... [2022-11-02 20:44:52,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@718ba86c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:44:52, skipping insertion in model container [2022-11-02 20:44:52,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:44:52" (3/3) ... [2022-11-02 20:44:52,819 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_09-ptrmunge_racing.i [2022-11-02 20:44:52,829 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-02 20:44:52,842 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:44:52,842 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-02 20:44:52,843 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-02 20:44:53,093 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-11-02 20:44:53,164 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 198 places, 225 transitions, 472 flow [2022-11-02 20:44:53,338 INFO L130 PetriNetUnfolder]: 58/396 cut-off events. [2022-11-02 20:44:53,338 INFO L131 PetriNetUnfolder]: For 8/13 co-relation queries the response was YES. [2022-11-02 20:44:53,351 INFO L83 FinitePrefix]: Finished finitePrefix Result has 416 conditions, 396 events. 58/396 cut-off events. For 8/13 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1735 event pairs, 0 based on Foata normal form. 0/329 useless extension candidates. Maximal degree in co-relation 211. Up to 8 conditions per place. [2022-11-02 20:44:53,351 INFO L82 GeneralOperation]: Start removeDead. Operand has 198 places, 225 transitions, 472 flow [2022-11-02 20:44:53,361 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 198 places, 225 transitions, 472 flow [2022-11-02 20:44:53,374 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:44:53,382 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=PETRI_NET, 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;@78155268, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:44:53,382 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-02 20:44:53,411 INFO L130 PetriNetUnfolder]: 8/114 cut-off events. [2022-11-02 20:44:53,411 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 20:44:53,411 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:44:53,412 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:44:53,413 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-11-02 20:44:53,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:44:53,420 INFO L85 PathProgramCache]: Analyzing trace with hash 356695846, now seen corresponding path program 1 times [2022-11-02 20:44:53,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:44:53,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825642977] [2022-11-02 20:44:53,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:44:53,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:44:53,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:44:53,682 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:44:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:44:53,843 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:44:53,845 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-02 20:44:53,847 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 6 remaining) [2022-11-02 20:44:53,849 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2022-11-02 20:44:53,850 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2022-11-02 20:44:53,850 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2022-11-02 20:44:53,852 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2022-11-02 20:44:53,853 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2022-11-02 20:44:53,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:44:53,854 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-02 20:44:53,867 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-02 20:44:53,868 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-11-02 20:44:54,008 INFO L144 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2022-11-02 20:44:54,019 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 308 places, 359 transitions, 766 flow [2022-11-02 20:44:54,545 INFO L130 PetriNetUnfolder]: 197/1146 cut-off events. [2022-11-02 20:44:54,545 INFO L131 PetriNetUnfolder]: For 72/86 co-relation queries the response was YES. [2022-11-02 20:44:54,587 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1243 conditions, 1146 events. 197/1146 cut-off events. For 72/86 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 7031 event pairs, 1 based on Foata normal form. 0/954 useless extension candidates. Maximal degree in co-relation 709. Up to 32 conditions per place. [2022-11-02 20:44:54,587 INFO L82 GeneralOperation]: Start removeDead. Operand has 308 places, 359 transitions, 766 flow [2022-11-02 20:44:54,612 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 308 places, 359 transitions, 766 flow [2022-11-02 20:44:54,615 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:44:54,621 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=PETRI_NET, 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;@78155268, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:44:54,621 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-02 20:44:54,688 INFO L130 PetriNetUnfolder]: 28/287 cut-off events. [2022-11-02 20:44:54,688 INFO L131 PetriNetUnfolder]: For 7/10 co-relation queries the response was YES. [2022-11-02 20:44:54,688 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:44:54,689 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:44:54,689 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] === [2022-11-02 20:44:54,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:44:54,690 INFO L85 PathProgramCache]: Analyzing trace with hash 2126199879, now seen corresponding path program 1 times [2022-11-02 20:44:54,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:44:54,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751785234] [2022-11-02 20:44:54,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:44:54,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:44:54,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:55,987 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 20:44:55,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:44:55,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751785234] [2022-11-02 20:44:55,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751785234] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:44:55,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:44:55,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-02 20:44:55,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109787543] [2022-11-02 20:44:55,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:44:56,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-02 20:44:56,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:44:56,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-02 20:44:56,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2022-11-02 20:44:56,046 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 359 [2022-11-02 20:44:56,055 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 359 transitions, 766 flow. Second operand has 14 states, 14 states have (on average 204.85714285714286) internal successors, (2868), 14 states have internal predecessors, (2868), 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 20:44:56,055 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:44:56,055 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 359 [2022-11-02 20:44:56,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand