./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 dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2810bd0-84e1-4886-9d4f-89b6174a6c6a/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2810bd0-84e1-4886-9d4f-89b6174a6c6a/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2810bd0-84e1-4886-9d4f-89b6174a6c6a/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2810bd0-84e1-4886-9d4f-89b6174a6c6a/bin/uautomizer-J5u9QxTXDZ/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_e2810bd0-84e1-4886-9d4f-89b6174a6c6a/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2810bd0-84e1-4886-9d4f-89b6174a6c6a/bin/uautomizer-J5u9QxTXDZ --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-dbf71c6-m [2022-10-17 10:43:57,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:43:57,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:43:57,930 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:43:57,931 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:43:57,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:43:57,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:43:57,943 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:43:57,946 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:43:57,951 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:43:57,952 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:43:57,955 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:43:57,955 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:43:57,958 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:43:57,960 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:43:57,962 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:43:57,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:43:57,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:43:57,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:43:57,975 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:43:57,977 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:43:57,978 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:43:57,982 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:43:57,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:43:57,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:43:58,013 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:43:58,013 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:43:58,015 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:43:58,015 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:43:58,016 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:43:58,017 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:43:58,017 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:43:58,018 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:43:58,019 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:43:58,020 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:43:58,020 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:43:58,021 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:43:58,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:43:58,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:43:58,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:43:58,023 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:43:58,024 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2810bd0-84e1-4886-9d4f-89b6174a6c6a/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-10-17 10:43:58,057 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:43:58,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:43:58,058 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:43:58,058 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:43:58,059 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:43:58,059 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:43:58,060 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:43:58,060 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:43:58,060 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:43:58,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:43:58,060 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:43:58,061 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:43:58,061 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:43:58,061 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:43:58,061 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:43:58,061 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:43:58,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:43:58,062 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:43:58,062 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:43:58,062 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:43:58,062 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:43:58,062 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:43:58,063 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:43:58,063 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:43:58,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:43:58,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:43:58,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:43:58,064 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:43:58,064 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:43:58,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:43:58,064 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:43:58,064 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:43:58,065 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:43:58,065 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_e2810bd0-84e1-4886-9d4f-89b6174a6c6a/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2810bd0-84e1-4886-9d4f-89b6174a6c6a/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b88fee59ad03447f68c116aa52c40e006cc633d8116aa4d446048afd18fa64f [2022-10-17 10:43:58,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:43:58,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:43:58,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:43:58,408 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:43:58,409 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:43:58,411 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2810bd0-84e1-4886-9d4f-89b6174a6c6a/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/goblint-regression/28-race_reach_09-ptrmunge_racing.i [2022-10-17 10:43:58,473 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2810bd0-84e1-4886-9d4f-89b6174a6c6a/bin/uautomizer-J5u9QxTXDZ/data/f3c1322c3/884feeef6c1c40f98a57efcd94677b87/FLAGc69bc85bb [2022-10-17 10:43:59,169 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:43:59,170 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2810bd0-84e1-4886-9d4f-89b6174a6c6a/sv-benchmarks/c/goblint-regression/28-race_reach_09-ptrmunge_racing.i [2022-10-17 10:43:59,184 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2810bd0-84e1-4886-9d4f-89b6174a6c6a/bin/uautomizer-J5u9QxTXDZ/data/f3c1322c3/884feeef6c1c40f98a57efcd94677b87/FLAGc69bc85bb [2022-10-17 10:43:59,373 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2810bd0-84e1-4886-9d4f-89b6174a6c6a/bin/uautomizer-J5u9QxTXDZ/data/f3c1322c3/884feeef6c1c40f98a57efcd94677b87 [2022-10-17 10:43:59,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:43:59,381 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:43:59,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:43:59,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:43:59,388 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:43:59,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:43:59" (1/1) ... [2022-10-17 10:43:59,391 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c5b3bf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:43:59, skipping insertion in model container [2022-10-17 10:43:59,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:43:59" (1/1) ... [2022-10-17 10:43:59,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:43:59,466 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:43:59,799 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_e2810bd0-84e1-4886-9d4f-89b6174a6c6a/sv-benchmarks/c/goblint-regression/28-race_reach_09-ptrmunge_racing.i[30176,30189] [2022-10-17 10:43:59,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:43:59,858 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:43:59,919 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_e2810bd0-84e1-4886-9d4f-89b6174a6c6a/sv-benchmarks/c/goblint-regression/28-race_reach_09-ptrmunge_racing.i[30176,30189] [2022-10-17 10:43:59,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:43:59,973 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:43:59,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:43:59 WrapperNode [2022-10-17 10:43:59,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:43:59,975 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:43:59,975 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:43:59,976 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:43:59,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:43:59" (1/1) ... [2022-10-17 10:44:00,003 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:43:59" (1/1) ... [2022-10-17 10:44:00,054 INFO L138 Inliner]: procedures = 172, calls = 50, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 216 [2022-10-17 10:44:00,055 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:44:00,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:44:00,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:44:00,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:44:00,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:43:59" (1/1) ... [2022-10-17 10:44:00,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:43:59" (1/1) ... [2022-10-17 10:44:00,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:43:59" (1/1) ... [2022-10-17 10:44:00,082 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:43:59" (1/1) ... [2022-10-17 10:44:00,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:43:59" (1/1) ... [2022-10-17 10:44:00,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:43:59" (1/1) ... [2022-10-17 10:44:00,120 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:43:59" (1/1) ... [2022-10-17 10:44:00,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:43:59" (1/1) ... [2022-10-17 10:44:00,125 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:44:00,126 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:44:00,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:44:00,127 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:44:00,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:43:59" (1/1) ... [2022-10-17 10:44:00,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:44:00,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2810bd0-84e1-4886-9d4f-89b6174a6c6a/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:00,171 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2810bd0-84e1-4886-9d4f-89b6174a6c6a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:00,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2810bd0-84e1-4886-9d4f-89b6174a6c6a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:44:00,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:44:00,224 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2022-10-17 10:44:00,224 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2022-10-17 10:44:00,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:44:00,224 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-10-17 10:44:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:44:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:44:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2022-10-17 10:44:00,225 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2022-10-17 10:44:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:44:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:44:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:44:00,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:44:00,230 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 10:44:00,451 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:44:00,453 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:44:00,813 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:44:00,823 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:44:00,824 INFO L300 CfgBuilder]: Removed 24 assume(true) statements. [2022-10-17 10:44:00,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:44:00 BoogieIcfgContainer [2022-10-17 10:44:00,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:44:00,833 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:44:00,833 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:44:00,837 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:44:00,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:43:59" (1/3) ... [2022-10-17 10:44:00,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24bfbe9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:44:00, skipping insertion in model container [2022-10-17 10:44:00,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:43:59" (2/3) ... [2022-10-17 10:44:00,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24bfbe9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:44:00, skipping insertion in model container [2022-10-17 10:44:00,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:44:00" (3/3) ... [2022-10-17 10:44:00,840 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_09-ptrmunge_racing.i [2022-10-17 10:44:00,849 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-17 10:44:00,859 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:44:00,859 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-17 10:44:00,860 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-17 10:44:01,006 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-10-17 10:44:01,061 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 198 places, 225 transitions, 472 flow [2022-10-17 10:44:01,303 INFO L130 PetriNetUnfolder]: 58/396 cut-off events. [2022-10-17 10:44:01,303 INFO L131 PetriNetUnfolder]: For 8/13 co-relation queries the response was YES. [2022-10-17 10:44:01,320 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. [2022-10-17 10:44:01,320 INFO L82 GeneralOperation]: Start removeDead. Operand has 198 places, 225 transitions, 472 flow [2022-10-17 10:44:01,332 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 198 places, 225 transitions, 472 flow [2022-10-17 10:44:01,343 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:44:01,358 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;@2541fc9e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:44:01,359 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-10-17 10:44:01,394 INFO L130 PetriNetUnfolder]: 8/114 cut-off events. [2022-10-17 10:44:01,395 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-10-17 10:44:01,396 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:44:01,396 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] [2022-10-17 10:44:01,397 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)] === [2022-10-17 10:44:01,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:01,402 INFO L85 PathProgramCache]: Analyzing trace with hash 356695846, now seen corresponding path program 1 times [2022-10-17 10:44:01,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:01,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274062520] [2022-10-17 10:44:01,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:01,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:01,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:44:01,585 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:44:01,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:44:01,656 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:44:01,658 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-17 10:44:01,659 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 6 remaining) [2022-10-17 10:44:01,661 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2022-10-17 10:44:01,662 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2022-10-17 10:44:01,662 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2022-10-17 10:44:01,662 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2022-10-17 10:44:01,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2022-10-17 10:44:01,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:44:01,664 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-10-17 10:44:01,668 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-10-17 10:44:01,668 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-10-17 10:44:01,756 INFO L144 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2022-10-17 10:44:01,771 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 308 places, 359 transitions, 766 flow [2022-10-17 10:44:02,167 INFO L130 PetriNetUnfolder]: 197/1146 cut-off events. [2022-10-17 10:44:02,167 INFO L131 PetriNetUnfolder]: For 72/86 co-relation queries the response was YES. [2022-10-17 10:44:02,193 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. [2022-10-17 10:44:02,193 INFO L82 GeneralOperation]: Start removeDead. Operand has 308 places, 359 transitions, 766 flow [2022-10-17 10:44:02,216 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 308 places, 359 transitions, 766 flow [2022-10-17 10:44:02,219 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:44:02,221 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;@2541fc9e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:44:02,221 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-10-17 10:44:02,265 INFO L130 PetriNetUnfolder]: 28/287 cut-off events. [2022-10-17 10:44:02,266 INFO L131 PetriNetUnfolder]: For 7/10 co-relation queries the response was YES. [2022-10-17 10:44:02,266 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:44:02,266 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] [2022-10-17 10:44:02,266 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)] === [2022-10-17 10:44:02,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:02,267 INFO L85 PathProgramCache]: Analyzing trace with hash 2126199879, now seen corresponding path program 1 times [2022-10-17 10:44:02,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:02,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802200940] [2022-10-17 10:44:02,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:02,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:02,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:03,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:44:03,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:44:03,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802200940] [2022-10-17 10:44:03,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802200940] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:44:03,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:44:03,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-10-17 10:44:03,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618120682] [2022-10-17 10:44:03,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:44:03,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-17 10:44:03,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:44:03,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-17 10:44:03,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2022-10-17 10:44:03,505 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 359 [2022-10-17 10:44:03,517 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) [2022-10-17 10:44:03,517 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 10:44:03,517 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 359 [2022-10-17 10:44:03,518 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand