./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_08-glob_fld_2_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abd6e4d-e25b-4683-87f6-b889b80282f6/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abd6e4d-e25b-4683-87f6-b889b80282f6/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abd6e4d-e25b-4683-87f6-b889b80282f6/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abd6e4d-e25b-4683-87f6-b889b80282f6/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_08-glob_fld_2_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abd6e4d-e25b-4683-87f6-b889b80282f6/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abd6e4d-e25b-4683-87f6-b889b80282f6/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9df11a052e2c7230e1edfb210274e89333c68b57c4137552a35d25fe623d9561 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:27:26,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:27:26,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:27:26,378 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:27:26,379 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:27:26,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:27:26,388 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:27:26,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:27:26,396 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:27:26,403 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:27:26,405 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:27:26,408 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:27:26,409 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:27:26,413 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:27:26,415 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:27:26,417 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:27:26,419 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:27:26,420 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:27:26,422 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:27:26,434 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:27:26,436 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:27:26,437 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:27:26,440 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:27:26,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:27:26,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:27:26,453 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:27:26,453 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:27:26,455 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:27:26,456 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:27:26,457 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:27:26,458 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:27:26,459 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:27:26,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:27:26,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:27:26,466 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:27:26,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:27:26,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:27:26,468 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:27:26,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:27:26,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:27:26,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:27:26,471 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abd6e4d-e25b-4683-87f6-b889b80282f6/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-16 11:27:26,516 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:27:26,517 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:27:26,518 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:27:26,518 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:27:26,519 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:27:26,520 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:27:26,521 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:27:26,521 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:27:26,521 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:27:26,534 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:27:26,535 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:27:26,535 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:27:26,535 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:27:26,536 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:27:26,536 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:27:26,536 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:27:26,537 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:27:26,537 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:27:26,537 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 11:27:26,538 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:27:26,538 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:27:26,538 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:27:26,539 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:27:26,539 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:27:26,539 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:27:26,540 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:27:26,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:27:26,540 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:27:26,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:27:26,541 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:27:26,541 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:27:26,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:27:26,543 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:27:26,543 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:27:26,544 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:27:26,544 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_6abd6e4d-e25b-4683-87f6-b889b80282f6/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abd6e4d-e25b-4683-87f6-b889b80282f6/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9df11a052e2c7230e1edfb210274e89333c68b57c4137552a35d25fe623d9561 [2022-11-16 11:27:26,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:27:26,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:27:26,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:27:26,985 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:27:26,986 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:27:26,987 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abd6e4d-e25b-4683-87f6-b889b80282f6/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/goblint-regression/05-lval_ls_08-glob_fld_2_rc.i [2022-11-16 11:27:27,076 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abd6e4d-e25b-4683-87f6-b889b80282f6/bin/uautomizer-tPACEb0tL8/data/2e2272673/6e233efa918a47749f5145e1f5eaee74/FLAG088daa85a [2022-11-16 11:27:27,895 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:27:27,896 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abd6e4d-e25b-4683-87f6-b889b80282f6/sv-benchmarks/c/goblint-regression/05-lval_ls_08-glob_fld_2_rc.i [2022-11-16 11:27:27,929 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abd6e4d-e25b-4683-87f6-b889b80282f6/bin/uautomizer-tPACEb0tL8/data/2e2272673/6e233efa918a47749f5145e1f5eaee74/FLAG088daa85a [2022-11-16 11:27:28,095 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abd6e4d-e25b-4683-87f6-b889b80282f6/bin/uautomizer-tPACEb0tL8/data/2e2272673/6e233efa918a47749f5145e1f5eaee74 [2022-11-16 11:27:28,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:27:28,103 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:27:28,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:27:28,107 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:27:28,137 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:27:28,138 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:27:28" (1/1) ... [2022-11-16 11:27:28,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b6a6142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:27:28, skipping insertion in model container [2022-11-16 11:27:28,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:27:28" (1/1) ... [2022-11-16 11:27:28,150 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:27:28,215 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:27:28,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:27:28,770 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:27:28,850 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:27:28,908 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:27:28,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:27:28 WrapperNode [2022-11-16 11:27:28,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:27:28,911 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:27:28,911 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:27:28,911 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:27:28,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:27:28" (1/1) ... [2022-11-16 11:27:28,961 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:27:28" (1/1) ... [2022-11-16 11:27:28,996 INFO L138 Inliner]: procedures = 161, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 50 [2022-11-16 11:27:28,997 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:27:28,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:27:28,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:27:28,999 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:27:29,010 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:27:28" (1/1) ... [2022-11-16 11:27:29,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:27:28" (1/1) ... [2022-11-16 11:27:29,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:27:28" (1/1) ... [2022-11-16 11:27:29,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:27:28" (1/1) ... [2022-11-16 11:27:29,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:27:28" (1/1) ... [2022-11-16 11:27:29,051 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:27:28" (1/1) ... [2022-11-16 11:27:29,053 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:27:28" (1/1) ... [2022-11-16 11:27:29,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:27:28" (1/1) ... [2022-11-16 11:27:29,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:27:29,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:27:29,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:27:29,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:27:29,070 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:27:28" (1/1) ... [2022-11-16 11:27:29,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:27:29,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abd6e4d-e25b-4683-87f6-b889b80282f6/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:27:29,110 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abd6e4d-e25b-4683-87f6-b889b80282f6/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:27:29,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abd6e4d-e25b-4683-87f6-b889b80282f6/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:27:29,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:27:29,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:27:29,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:27:29,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:27:29,172 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-16 11:27:29,172 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-16 11:27:29,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:27:29,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:27:29,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:27:29,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:27:29,175 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 11:27:29,344 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:27:29,346 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:27:29,595 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:27:29,603 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:27:29,604 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 11:27:29,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:27:29 BoogieIcfgContainer [2022-11-16 11:27:29,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:27:29,609 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:27:29,610 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:27:29,614 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:27:29,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:27:28" (1/3) ... [2022-11-16 11:27:29,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73b0f5d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:27:29, skipping insertion in model container [2022-11-16 11:27:29,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:27:28" (2/3) ... [2022-11-16 11:27:29,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73b0f5d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:27:29, skipping insertion in model container [2022-11-16 11:27:29,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:27:29" (3/3) ... [2022-11-16 11:27:29,617 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_08-glob_fld_2_rc.i [2022-11-16 11:27:29,628 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 11:27:29,641 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:27:29,642 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-16 11:27:29,642 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 11:27:29,808 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-16 11:27:29,864 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 106 places, 99 transitions, 208 flow [2022-11-16 11:27:29,971 INFO L130 PetriNetUnfolder]: 0/97 cut-off events. [2022-11-16 11:27:29,971 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:27:29,976 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 97 events. 0/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 138 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-11-16 11:27:29,976 INFO L82 GeneralOperation]: Start removeDead. Operand has 106 places, 99 transitions, 208 flow [2022-11-16 11:27:29,981 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 104 places, 97 transitions, 200 flow [2022-11-16 11:27:29,995 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:27:30,004 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;@a518d8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:27:30,004 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-11-16 11:27:30,020 INFO L130 PetriNetUnfolder]: 0/32 cut-off events. [2022-11-16 11:27:30,021 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:27:30,021 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:27:30,022 INFO L209 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] [2022-11-16 11:27:30,023 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2022-11-16 11:27:30,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:27:30,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1717480794, now seen corresponding path program 1 times [2022-11-16 11:27:30,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:27:30,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627786224] [2022-11-16 11:27:30,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:27:30,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:27:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:27:31,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:27:31,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:27:31,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627786224] [2022-11-16 11:27:31,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627786224] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:27:31,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:27:31,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:27:31,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55794636] [2022-11-16 11:27:31,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:27:31,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:27:31,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:27:31,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:27:31,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:27:31,106 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 99 [2022-11-16 11:27:31,110 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 97 transitions, 200 flow. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:27:31,110 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:27:31,111 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 99 [2022-11-16 11:27:31,112 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:27:35,345 INFO L130 PetriNetUnfolder]: 10312/20345 cut-off events. [2022-11-16 11:27:35,345 INFO L131 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2022-11-16 11:27:35,393 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36438 conditions, 20345 events. 10312/20345 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 612. Compared 177540 event pairs, 2955 based on Foata normal form. 0/18026 useless extension candidates. Maximal degree in co-relation 36410. Up to 6352 conditions per place. [2022-11-16 11:27:35,523 INFO L137 encePairwiseOnDemand]: 77/99 looper letters, 175 selfloop transitions, 42 changer transitions 0/267 dead transitions. [2022-11-16 11:27:35,523 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 267 transitions, 986 flow [2022-11-16 11:27:35,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:27:35,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:27:35,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 531 transitions. [2022-11-16 11:27:35,553 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8939393939393939 [2022-11-16 11:27:35,554 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 531 transitions. [2022-11-16 11:27:35,555 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 531 transitions. [2022-11-16 11:27:35,561 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:27:35,564 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 531 transitions. [2022-11-16 11:27:35,571 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 88.5) internal successors, (531), 6 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:27:35,577 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 99.0) internal successors, (693), 7 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:27:35,578 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 99.0) internal successors, (693), 7 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:27:35,580 INFO L175 Difference]: Start difference. First operand has 104 places, 97 transitions, 200 flow. Second operand 6 states and 531 transitions. [2022-11-16 11:27:35,581 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 267 transitions, 986 flow [2022-11-16 11:27:35,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 267 transitions, 980 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:27:35,599 INFO L231 Difference]: Finished difference. Result has 112 places, 143 transitions, 514 flow [2022-11-16 11:27:35,602 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=514, PETRI_PLACES=112, PETRI_TRANSITIONS=143} [2022-11-16 11:27:35,609 INFO L288 CegarLoopForPetriNet]: 104 programPoint places, 8 predicate places. [2022-11-16 11:27:35,610 INFO L495 AbstractCegarLoop]: Abstraction has has 112 places, 143 transitions, 514 flow [2022-11-16 11:27:35,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:27:35,611 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:27:35,612 INFO L209 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] [2022-11-16 11:27:35,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:27:35,613 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2022-11-16 11:27:35,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:27:35,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1637372685, now seen corresponding path program 1 times [2022-11-16 11:27:35,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:27:35,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960639258] [2022-11-16 11:27:35,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:27:35,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:27:35,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:27:36,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:27:36,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:27:36,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960639258] [2022-11-16 11:27:36,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960639258] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:27:36,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:27:36,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:27:36,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239556365] [2022-11-16 11:27:36,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:27:36,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:27:36,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:27:36,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:27:36,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:27:36,114 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 99 [2022-11-16 11:27:36,115 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 143 transitions, 514 flow. Second operand has 6 states, 6 states have (on average 53.833333333333336) internal successors, (323), 6 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:27:36,115 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:27:36,115 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 99 [2022-11-16 11:27:36,116 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:27:39,712 INFO L130 PetriNetUnfolder]: 9600/19690 cut-off events. [2022-11-16 11:27:39,713 INFO L131 PetriNetUnfolder]: For 12085/12085 co-relation queries the response was YES. [2022-11-16 11:27:39,774 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46076 conditions, 19690 events. 9600/19690 cut-off events. For 12085/12085 co-relation queries the response was YES. Maximal size of possible extension queue 508. Compared 176509 event pairs, 4048 based on Foata normal form. 0/19300 useless extension candidates. Maximal degree in co-relation 46045. Up to 8402 conditions per place. [2022-11-16 11:27:39,860 INFO L137 encePairwiseOnDemand]: 93/99 looper letters, 383 selfloop transitions, 5 changer transitions 0/438 dead transitions. [2022-11-16 11:27:39,861 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 438 transitions, 2776 flow [2022-11-16 11:27:39,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:27:39,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:27:39,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 471 transitions. [2022-11-16 11:27:39,863 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7929292929292929 [2022-11-16 11:27:39,863 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 471 transitions. [2022-11-16 11:27:39,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 471 transitions. [2022-11-16 11:27:39,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:27:39,864 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 471 transitions. [2022-11-16 11:27:39,866 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 78.5) internal successors, (471), 6 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:27:39,869 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 99.0) internal successors, (693), 7 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:27:39,869 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 99.0) internal successors, (693), 7 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:27:39,870 INFO L175 Difference]: Start difference. First operand has 112 places, 143 transitions, 514 flow. Second operand 6 states and 471 transitions. [2022-11-16 11:27:39,870 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 438 transitions, 2776 flow [2022-11-16 11:27:39,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 438 transitions, 2776 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 11:27:39,896 INFO L231 Difference]: Finished difference. Result has 116 places, 142 transitions, 522 flow [2022-11-16 11:27:39,896 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=512, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=522, PETRI_PLACES=116, PETRI_TRANSITIONS=142} [2022-11-16 11:27:39,897 INFO L288 CegarLoopForPetriNet]: 104 programPoint places, 12 predicate places. [2022-11-16 11:27:39,898 INFO L495 AbstractCegarLoop]: Abstraction has has 116 places, 142 transitions, 522 flow [2022-11-16 11:27:39,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.833333333333336) internal successors, (323), 6 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:27:39,898 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:27:39,898 INFO L209 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] [2022-11-16 11:27:39,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:27:39,900 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2022-11-16 11:27:39,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:27:39,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1794345567, now seen corresponding path program 1 times [2022-11-16 11:27:39,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:27:39,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493659150] [2022-11-16 11:27:39,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:27:39,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:27:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:27:40,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:27:40,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:27:40,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493659150] [2022-11-16 11:27:40,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493659150] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:27:40,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:27:40,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:27:40,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377508503] [2022-11-16 11:27:40,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:27:40,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:27:40,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:27:40,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:27:40,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:27:40,381 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 99 [2022-11-16 11:27:40,382 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 142 transitions, 522 flow. Second operand has 6 states, 6 states have (on average 52.833333333333336) internal successors, (317), 6 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:27:40,383 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:27:40,383 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 99 [2022-11-16 11:27:40,383 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:27:44,667 INFO L130 PetriNetUnfolder]: 14399/27990 cut-off events. [2022-11-16 11:27:44,667 INFO L131 PetriNetUnfolder]: For 13932/13950 co-relation queries the response was YES. [2022-11-16 11:27:44,752 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68809 conditions, 27990 events. 14399/27990 cut-off events. For 13932/13950 co-relation queries the response was YES. Maximal size of possible extension queue 778. Compared 253099 event pairs, 7038 based on Foata normal form. 341/27728 useless extension candidates. Maximal degree in co-relation 68777. Up to 14920 conditions per place. [2022-11-16 11:27:44,897 INFO L137 encePairwiseOnDemand]: 82/99 looper letters, 188 selfloop transitions, 53 changer transitions 0/289 dead transitions. [2022-11-16 11:27:44,897 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 289 transitions, 1540 flow [2022-11-16 11:27:44,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:27:44,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:27:44,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 481 transitions. [2022-11-16 11:27:44,901 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8097643097643098 [2022-11-16 11:27:44,901 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 481 transitions. [2022-11-16 11:27:44,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 481 transitions. [2022-11-16 11:27:44,903 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:27:44,903 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 481 transitions. [2022-11-16 11:27:44,905 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 80.16666666666667) internal successors, (481), 6 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:27:44,907 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 99.0) internal successors, (693), 7 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:27:44,910 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 99.0) internal successors, (693), 7 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:27:44,910 INFO L175 Difference]: Start difference. First operand has 116 places, 142 transitions, 522 flow. Second operand 6 states and 481 transitions. [2022-11-16 11:27:44,910 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 289 transitions, 1540 flow [2022-11-16 11:27:44,923 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 289 transitions, 1490 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-16 11:27:44,929 INFO L231 Difference]: Finished difference. Result has 121 places, 195 transitions, 1028 flow [2022-11-16 11:27:44,930 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=512, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1028, PETRI_PLACES=121, PETRI_TRANSITIONS=195} [2022-11-16 11:27:44,932 INFO L288 CegarLoopForPetriNet]: 104 programPoint places, 17 predicate places. [2022-11-16 11:27:44,932 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 195 transitions, 1028 flow [2022-11-16 11:27:44,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 52.833333333333336) internal successors, (317), 6 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:27:44,933 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:27:44,933 INFO L209 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] [2022-11-16 11:27:44,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:27:44,934 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2022-11-16 11:27:44,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:27:44,937 INFO L85 PathProgramCache]: Analyzing trace with hash 517297037, now seen corresponding path program 1 times [2022-11-16 11:27:44,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:27:44,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303290966] [2022-11-16 11:27:44,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:27:44,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:27:44,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:27:45,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:27:45,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:27:45,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303290966] [2022-11-16 11:27:45,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303290966] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:27:45,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:27:45,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:27:45,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124382599] [2022-11-16 11:27:45,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:27:45,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:27:45,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:27:45,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:27:45,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:27:45,396 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 99 [2022-11-16 11:27:45,397 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 195 transitions, 1028 flow. Second operand has 6 states, 6 states have (on average 53.0) internal successors, (318), 6 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:27:45,397 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:27:45,397 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 99 [2022-11-16 11:27:45,398 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:27:50,206 INFO L130 PetriNetUnfolder]: 17969/33769 cut-off events. [2022-11-16 11:27:50,206 INFO L131 PetriNetUnfolder]: For 33418/33439 co-relation queries the response was YES. [2022-11-16 11:27:50,480 INFO L83 FinitePrefix]: Finished finitePrefix Result has 95679 conditions, 33769 events. 17969/33769 cut-off events. For 33418/33439 co-relation queries the response was YES. Maximal size of possible extension queue 991. Compared 305089 event pairs, 8803 based on Foata normal form. 392/33334 useless extension candidates. Maximal degree in co-relation 95643. Up to 19243 conditions per place. [2022-11-16 11:27:50,631 INFO L137 encePairwiseOnDemand]: 82/99 looper letters, 229 selfloop transitions, 68 changer transitions 0/349 dead transitions. [2022-11-16 11:27:50,632 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 349 transitions, 2294 flow [2022-11-16 11:27:50,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:27:50,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:27:50,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 477 transitions. [2022-11-16 11:27:50,640 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.803030303030303 [2022-11-16 11:27:50,640 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 477 transitions. [2022-11-16 11:27:50,640 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 477 transitions. [2022-11-16 11:27:50,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:27:50,641 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 477 transitions. [2022-11-16 11:27:50,644 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 79.5) internal successors, (477), 6 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:27:50,646 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 99.0) internal successors, (693), 7 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:27:50,647 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 99.0) internal successors, (693), 7 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:27:50,649 INFO L175 Difference]: Start difference. First operand has 121 places, 195 transitions, 1028 flow. Second operand 6 states and 477 transitions. [2022-11-16 11:27:50,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 349 transitions, 2294 flow [2022-11-16 11:27:50,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 349 transitions, 2286 flow, removed 4 selfloop flow, removed 0 redundant places. [2022-11-16 11:27:50,845 INFO L231 Difference]: Finished difference. Result has 131 places, 256 transitions, 1740 flow [2022-11-16 11:27:50,846 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=1020, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1740, PETRI_PLACES=131, PETRI_TRANSITIONS=256} [2022-11-16 11:27:50,848 INFO L288 CegarLoopForPetriNet]: 104 programPoint places, 27 predicate places. [2022-11-16 11:27:50,849 INFO L495 AbstractCegarLoop]: Abstraction has has 131 places, 256 transitions, 1740 flow [2022-11-16 11:27:50,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.0) internal successors, (318), 6 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:27:50,849 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:27:50,850 INFO L209 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] [2022-11-16 11:27:50,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:27:50,853 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2022-11-16 11:27:50,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:27:50,854 INFO L85 PathProgramCache]: Analyzing trace with hash -372314589, now seen corresponding path program 1 times [2022-11-16 11:27:50,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:27:50,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156269365] [2022-11-16 11:27:50,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:27:50,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:27:50,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:27:51,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:27:51,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:27:51,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156269365] [2022-11-16 11:27:51,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156269365] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:27:51,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:27:51,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:27:51,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118625918] [2022-11-16 11:27:51,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:27:51,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:27:51,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:27:51,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:27:51,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:27:51,172 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 99 [2022-11-16 11:27:51,172 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 256 transitions, 1740 flow. Second operand has 6 states, 6 states have (on average 52.166666666666664) internal successors, (313), 6 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:27:51,173 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:27:51,173 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 99 [2022-11-16 11:27:51,173 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:27:56,407 INFO L130 PetriNetUnfolder]: 17259/32395 cut-off events. [2022-11-16 11:27:56,407 INFO L131 PetriNetUnfolder]: For 75708/75781 co-relation queries the response was YES. [2022-11-16 11:27:56,521 INFO L83 FinitePrefix]: Finished finitePrefix Result has 108229 conditions, 32395 events. 17259/32395 cut-off events. For 75708/75781 co-relation queries the response was YES. Maximal size of possible extension queue 908. Compared 293495 event pairs, 7397 based on Foata normal form. 0/32356 useless extension candidates. Maximal degree in co-relation 108187. Up to 17480 conditions per place. [2022-11-16 11:27:56,630 INFO L137 encePairwiseOnDemand]: 93/99 looper letters, 745 selfloop transitions, 5 changer transitions 172/975 dead transitions. [2022-11-16 11:27:56,630 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 975 transitions, 9770 flow [2022-11-16 11:27:56,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:27:56,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:27:56,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 455 transitions. [2022-11-16 11:27:56,634 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.765993265993266 [2022-11-16 11:27:56,635 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 455 transitions. [2022-11-16 11:27:56,635 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 455 transitions. [2022-11-16 11:27:56,635 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:27:56,636 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 455 transitions. [2022-11-16 11:27:56,637 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 75.83333333333333) internal successors, (455), 6 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:27:56,639 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 99.0) internal successors, (693), 7 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:27:56,640 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 99.0) internal successors, (693), 7 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:27:56,640 INFO L175 Difference]: Start difference. First operand has 131 places, 256 transitions, 1740 flow. Second operand 6 states and 455 transitions. [2022-11-16 11:27:56,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 975 transitions, 9770 flow [2022-11-16 11:27:57,005 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 975 transitions, 9690 flow, removed 40 selfloop flow, removed 0 redundant places. [2022-11-16 11:27:57,014 INFO L231 Difference]: Finished difference. Result has 135 places, 219 transitions, 1436 flow [2022-11-16 11:27:57,015 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=1722, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1436, PETRI_PLACES=135, PETRI_TRANSITIONS=219} [2022-11-16 11:27:57,016 INFO L288 CegarLoopForPetriNet]: 104 programPoint places, 31 predicate places. [2022-11-16 11:27:57,016 INFO L495 AbstractCegarLoop]: Abstraction has has 135 places, 219 transitions, 1436 flow [2022-11-16 11:27:57,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 52.166666666666664) internal successors, (313), 6 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:27:57,016 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:27:57,017 INFO L209 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] [2022-11-16 11:27:57,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:27:57,017 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2022-11-16 11:27:57,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:27:57,018 INFO L85 PathProgramCache]: Analyzing trace with hash 118850398, now seen corresponding path program 1 times [2022-11-16 11:27:57,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:27:57,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853371170] [2022-11-16 11:27:57,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:27:57,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:27:57,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:27:57,040 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:27:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:27:57,095 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:27:57,095 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 11:27:57,096 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2022-11-16 11:27:57,100 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2022-11-16 11:27:57,100 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2022-11-16 11:27:57,101 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 10 remaining) [2022-11-16 11:27:57,101 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining) [2022-11-16 11:27:57,101 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining) [2022-11-16 11:27:57,101 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2022-11-16 11:27:57,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2022-11-16 11:27:57,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2022-11-16 11:27:57,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2022-11-16 11:27:57,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 11:27:57,104 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-16 11:27:57,112 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 11:27:57,112 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:27:57,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:27:57 BasicIcfg [2022-11-16 11:27:57,167 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:27:57,168 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:27:57,168 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:27:57,169 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:27:57,169 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:27:29" (3/4) ... [2022-11-16 11:27:57,172 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:27:57,173 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:27:57,174 INFO L158 Benchmark]: Toolchain (without parser) took 29070.30ms. Allocated memory was 100.7MB in the beginning and 7.7GB in the end (delta: 7.6GB). Free memory was 56.6MB in the beginning and 6.6GB in the end (delta: -6.6GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2022-11-16 11:27:57,174 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 100.7MB. Free memory was 73.8MB in the beginning and 73.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:27:57,178 INFO L158 Benchmark]: CACSL2BoogieTranslator took 802.77ms. Allocated memory is still 100.7MB. Free memory was 56.4MB in the beginning and 66.9MB in the end (delta: -10.5MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2022-11-16 11:27:57,179 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.55ms. Allocated memory is still 100.7MB. Free memory was 66.9MB in the beginning and 64.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:27:57,185 INFO L158 Benchmark]: Boogie Preprocessor took 64.43ms. Allocated memory is still 100.7MB. Free memory was 64.8MB in the beginning and 63.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:27:57,188 INFO L158 Benchmark]: RCFGBuilder took 542.77ms. Allocated memory is still 100.7MB. Free memory was 63.0MB in the beginning and 49.3MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 11:27:57,189 INFO L158 Benchmark]: TraceAbstraction took 27558.37ms. Allocated memory was 100.7MB in the beginning and 7.7GB in the end (delta: 7.6GB). Free memory was 48.6MB in the beginning and 6.6GB in the end (delta: -6.6GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2022-11-16 11:27:57,190 INFO L158 Benchmark]: Witness Printer took 4.55ms. Allocated memory is still 7.7GB. Free memory was 6.6GB in the beginning and 6.6GB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:27:57,192 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 100.7MB. Free memory was 73.8MB in the beginning and 73.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 802.77ms. Allocated memory is still 100.7MB. Free memory was 56.4MB in the beginning and 66.9MB in the end (delta: -10.5MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.55ms. Allocated memory is still 100.7MB. Free memory was 66.9MB in the beginning and 64.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.43ms. Allocated memory is still 100.7MB. Free memory was 64.8MB in the beginning and 63.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 542.77ms. Allocated memory is still 100.7MB. Free memory was 63.0MB in the beginning and 49.3MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 27558.37ms. Allocated memory was 100.7MB in the beginning and 7.7GB in the end (delta: 7.6GB). Free memory was 48.6MB in the beginning and 6.6GB in the end (delta: -6.6GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * Witness Printer took 4.55ms. Allocated memory is still 7.7GB. Free memory was 6.6GB in the beginning and 6.6GB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 684]: Data race detected Data race detected The following path leads to a data race: [L679-L682] 0 struct { int x; int y; } data; VAL [data={1:0}] [L688] 0 pthread_t id, id2; VAL [data={1:0}, id={6:0}, id={5:0}] [L689] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, id={5:0}, id={6:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L690] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, id={6:0}, id={5:0}, pthread_create(&id2, ((void *)0), t_fun, ((void *)0))=0] [L684] 2 data.x VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0] [L684] EXPR 1 data.x VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0] [L684] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x++=9data.x++=0] Now there is a data race (on the heap) between C: data.x++ [684] and C: data.x++ [684] - UnprovableResult [Line: 691]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 690]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 689]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 684]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 125 locations, 10 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 27.2s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 24.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 263 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 263 mSDsluCounter, 195 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 344 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1574 IncrementalHoareTripleChecker+Invalid, 1918 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 344 mSolverCounterUnsat, 195 mSDtfsCounter, 1574 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1740occurred in iteration=4, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 211 NumberOfCodeBlocks, 211 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 585 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-16 11:27:57,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abd6e4d-e25b-4683-87f6-b889b80282f6/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE