./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_09-ptrmunge_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c6c18-ab06-4abb-81b9-a209469c989e/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c6c18-ab06-4abb-81b9-a209469c989e/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c6c18-ab06-4abb-81b9-a209469c989e/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c6c18-ab06-4abb-81b9-a209469c989e/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_09-ptrmunge_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c6c18-ab06-4abb-81b9-a209469c989e/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c6c18-ab06-4abb-81b9-a209469c989e/bin/uautomizer-TMbwUNV5ro --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 970aeb05466fab8a4f1842e5a4212ccc8109141703ea02aad9a394d03dd3473a --- 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-8393723 [2022-11-18 19:38:42,943 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:38:42,949 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:38:42,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:38:42,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:38:42,974 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:38:42,977 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:38:42,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:38:42,985 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:38:42,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:38:42,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:38:42,996 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:38:42,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:38:42,999 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:38:43,001 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:38:43,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:38:43,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:38:43,007 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:38:43,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:38:43,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:38:43,014 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:38:43,015 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:38:43,018 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:38:43,019 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:38:43,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:38:43,030 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:38:43,030 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:38:43,031 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:38:43,033 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:38:43,034 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:38:43,035 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:38:43,036 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:38:43,037 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:38:43,038 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:38:43,040 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:38:43,041 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:38:43,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:38:43,042 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:38:43,042 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:38:43,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:38:43,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:38:43,044 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c6c18-ab06-4abb-81b9-a209469c989e/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-18 19:38:43,081 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:38:43,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:38:43,082 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:38:43,082 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:38:43,083 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:38:43,084 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:38:43,084 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:38:43,084 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:38:43,085 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:38:43,085 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:38:43,086 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 19:38:43,086 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 19:38:43,087 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:38:43,087 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 19:38:43,087 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:38:43,087 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:38:43,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:38:43,088 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:38:43,088 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-18 19:38:43,088 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 19:38:43,088 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:38:43,089 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:38:43,089 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:38:43,089 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:38:43,089 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:38:43,090 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:38:43,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:38:43,090 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:38:43,090 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:38:43,090 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:38:43,091 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:38:43,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 19:38:43,091 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:38:43,092 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:38:43,092 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:38:43,092 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_396c6c18-ab06-4abb-81b9-a209469c989e/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c6c18-ab06-4abb-81b9-a209469c989e/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 970aeb05466fab8a4f1842e5a4212ccc8109141703ea02aad9a394d03dd3473a [2022-11-18 19:38:43,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:38:43,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:38:43,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:38:43,378 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:38:43,379 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:38:43,380 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c6c18-ab06-4abb-81b9-a209469c989e/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/goblint-regression/04-mutex_09-ptrmunge_rc.i [2022-11-18 19:38:43,449 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c6c18-ab06-4abb-81b9-a209469c989e/bin/uautomizer-TMbwUNV5ro/data/ac7f797c0/575e528cbed64cc694e997c8c02b31c5/FLAG74ef6ebd4 [2022-11-18 19:38:43,974 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:38:43,975 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c6c18-ab06-4abb-81b9-a209469c989e/sv-benchmarks/c/goblint-regression/04-mutex_09-ptrmunge_rc.i [2022-11-18 19:38:43,992 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c6c18-ab06-4abb-81b9-a209469c989e/bin/uautomizer-TMbwUNV5ro/data/ac7f797c0/575e528cbed64cc694e997c8c02b31c5/FLAG74ef6ebd4 [2022-11-18 19:38:44,453 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c6c18-ab06-4abb-81b9-a209469c989e/bin/uautomizer-TMbwUNV5ro/data/ac7f797c0/575e528cbed64cc694e997c8c02b31c5 [2022-11-18 19:38:44,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:38:44,457 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:38:44,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:38:44,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:38:44,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:38:44,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:38:44" (1/1) ... [2022-11-18 19:38:44,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@749ac0d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:38:44, skipping insertion in model container [2022-11-18 19:38:44,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:38:44" (1/1) ... [2022-11-18 19:38:44,478 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:38:44,520 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:38:44,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:38:45,005 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:38:45,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:38:45,108 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:38:45,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:38:45 WrapperNode [2022-11-18 19:38:45,108 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:38:45,110 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:38:45,110 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:38:45,110 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:38:45,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:38:45" (1/1) ... [2022-11-18 19:38:45,135 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:38:45" (1/1) ... [2022-11-18 19:38:45,160 INFO L138 Inliner]: procedures = 263, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 89 [2022-11-18 19:38:45,161 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:38:45,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:38:45,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:38:45,162 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:38:45,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:38:45" (1/1) ... [2022-11-18 19:38:45,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:38:45" (1/1) ... [2022-11-18 19:38:45,175 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:38:45" (1/1) ... [2022-11-18 19:38:45,175 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:38:45" (1/1) ... [2022-11-18 19:38:45,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:38:45" (1/1) ... [2022-11-18 19:38:45,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:38:45" (1/1) ... [2022-11-18 19:38:45,186 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:38:45" (1/1) ... [2022-11-18 19:38:45,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:38:45" (1/1) ... [2022-11-18 19:38:45,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:38:45,192 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:38:45,192 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:38:45,192 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:38:45,199 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:38:45" (1/1) ... [2022-11-18 19:38:45,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:38:45,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c6c18-ab06-4abb-81b9-a209469c989e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:38:45,238 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c6c18-ab06-4abb-81b9-a209469c989e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:38:45,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c6c18-ab06-4abb-81b9-a209469c989e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:38:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 19:38:45,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 19:38:45,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 19:38:45,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 19:38:45,290 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-18 19:38:45,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:38:45,291 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-18 19:38:45,291 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-18 19:38:45,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 19:38:45,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:38:45,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:38:45,293 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 19:38:45,510 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:38:45,512 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:38:45,794 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:38:45,802 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:38:45,802 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 19:38:45,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:38:45 BoogieIcfgContainer [2022-11-18 19:38:45,805 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:38:45,807 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:38:45,807 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:38:45,811 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:38:45,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:38:44" (1/3) ... [2022-11-18 19:38:45,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16c763ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:38:45, skipping insertion in model container [2022-11-18 19:38:45,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:38:45" (2/3) ... [2022-11-18 19:38:45,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16c763ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:38:45, skipping insertion in model container [2022-11-18 19:38:45,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:38:45" (3/3) ... [2022-11-18 19:38:45,815 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_09-ptrmunge_rc.i [2022-11-18 19:38:45,824 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 19:38:45,835 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:38:45,836 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-11-18 19:38:45,836 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 19:38:45,927 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-18 19:38:45,964 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 108 places, 104 transitions, 216 flow [2022-11-18 19:38:46,012 INFO L130 PetriNetUnfolder]: 0/103 cut-off events. [2022-11-18 19:38:46,012 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-18 19:38:46,016 INFO L83 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 103 events. 0/103 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 68 event pairs, 0 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2022-11-18 19:38:46,016 INFO L82 GeneralOperation]: Start removeDead. Operand has 108 places, 104 transitions, 216 flow [2022-11-18 19:38:46,020 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 99 places, 95 transitions, 193 flow [2022-11-18 19:38:46,030 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:38:46,037 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;@1e4697d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:38:46,037 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-18 19:38:46,053 INFO L130 PetriNetUnfolder]: 0/57 cut-off events. [2022-11-18 19:38:46,053 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 19:38:46,054 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:38:46,054 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, 1, 1, 1] [2022-11-18 19:38:46,055 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-18 19:38:46,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:38:46,060 INFO L85 PathProgramCache]: Analyzing trace with hash 279138428, now seen corresponding path program 1 times [2022-11-18 19:38:46,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:38:46,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906861897] [2022-11-18 19:38:46,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:38:46,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:38:46,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:47,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:38:47,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:38:47,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906861897] [2022-11-18 19:38:47,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906861897] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:38:47,036 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:38:47,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 19:38:47,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28676431] [2022-11-18 19:38:47,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:38:47,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:38:47,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:38:47,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:38:47,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:38:47,109 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 104 [2022-11-18 19:38:47,112 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 95 transitions, 193 flow. Second operand has 6 states, 6 states have (on average 69.5) internal successors, (417), 6 states have internal predecessors, (417), 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) [2022-11-18 19:38:47,112 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:38:47,113 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 104 [2022-11-18 19:38:47,114 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:38:47,747 INFO L130 PetriNetUnfolder]: 347/959 cut-off events. [2022-11-18 19:38:47,747 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-18 19:38:47,755 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1699 conditions, 959 events. 347/959 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 5376 event pairs, 170 based on Foata normal form. 0/859 useless extension candidates. Maximal degree in co-relation 1662. Up to 526 conditions per place. [2022-11-18 19:38:47,764 INFO L137 encePairwiseOnDemand]: 93/104 looper letters, 91 selfloop transitions, 22 changer transitions 0/173 dead transitions. [2022-11-18 19:38:47,765 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 173 transitions, 575 flow [2022-11-18 19:38:47,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:38:47,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 19:38:47,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 522 transitions. [2022-11-18 19:38:47,797 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8365384615384616 [2022-11-18 19:38:47,798 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 522 transitions. [2022-11-18 19:38:47,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 522 transitions. [2022-11-18 19:38:47,804 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:38:47,807 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 522 transitions. [2022-11-18 19:38:47,813 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 87.0) internal successors, (522), 6 states have internal predecessors, (522), 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) [2022-11-18 19:38:47,827 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 104.0) internal successors, (728), 7 states have internal predecessors, (728), 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) [2022-11-18 19:38:47,828 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 104.0) internal successors, (728), 7 states have internal predecessors, (728), 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) [2022-11-18 19:38:47,830 INFO L175 Difference]: Start difference. First operand has 99 places, 95 transitions, 193 flow. Second operand 6 states and 522 transitions. [2022-11-18 19:38:47,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 173 transitions, 575 flow [2022-11-18 19:38:47,842 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 173 transitions, 574 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 19:38:47,847 INFO L231 Difference]: Finished difference. Result has 108 places, 116 transitions, 342 flow [2022-11-18 19:38:47,850 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=342, PETRI_PLACES=108, PETRI_TRANSITIONS=116} [2022-11-18 19:38:47,856 INFO L288 CegarLoopForPetriNet]: 99 programPoint places, 9 predicate places. [2022-11-18 19:38:47,857 INFO L495 AbstractCegarLoop]: Abstraction has has 108 places, 116 transitions, 342 flow [2022-11-18 19:38:47,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 69.5) internal successors, (417), 6 states have internal predecessors, (417), 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) [2022-11-18 19:38:47,857 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:38:47,858 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, 1, 1, 1, 1] [2022-11-18 19:38:47,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 19:38:47,860 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-18 19:38:47,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:38:47,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1107942548, now seen corresponding path program 1 times [2022-11-18 19:38:47,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:38:47,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339360471] [2022-11-18 19:38:47,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:38:47,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:38:47,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:48,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:38:48,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:38:48,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339360471] [2022-11-18 19:38:48,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339360471] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:38:48,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:38:48,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 19:38:48,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279286005] [2022-11-18 19:38:48,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:38:48,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:38:48,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:38:48,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:38:48,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:38:48,316 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 104 [2022-11-18 19:38:48,317 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 116 transitions, 342 flow. Second operand has 6 states, 6 states have (on average 69.5) internal successors, (417), 6 states have internal predecessors, (417), 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) [2022-11-18 19:38:48,317 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:38:48,318 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 104 [2022-11-18 19:38:48,319 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:38:48,848 INFO L130 PetriNetUnfolder]: 332/956 cut-off events. [2022-11-18 19:38:48,849 INFO L131 PetriNetUnfolder]: For 394/400 co-relation queries the response was YES. [2022-11-18 19:38:48,857 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2093 conditions, 956 events. 332/956 cut-off events. For 394/400 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 5436 event pairs, 155 based on Foata normal form. 0/879 useless extension candidates. Maximal degree in co-relation 2052. Up to 591 conditions per place. [2022-11-18 19:38:48,862 INFO L137 encePairwiseOnDemand]: 93/104 looper letters, 80 selfloop transitions, 26 changer transitions 0/166 dead transitions. [2022-11-18 19:38:48,862 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 166 transitions, 744 flow [2022-11-18 19:38:48,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:38:48,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 19:38:48,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 494 transitions. [2022-11-18 19:38:48,864 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7916666666666666 [2022-11-18 19:38:48,864 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 494 transitions. [2022-11-18 19:38:48,864 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 494 transitions. [2022-11-18 19:38:48,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:38:48,865 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 494 transitions. [2022-11-18 19:38:48,866 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 82.33333333333333) internal successors, (494), 6 states have internal predecessors, (494), 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) [2022-11-18 19:38:48,867 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 104.0) internal successors, (728), 7 states have internal predecessors, (728), 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) [2022-11-18 19:38:48,868 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 104.0) internal successors, (728), 7 states have internal predecessors, (728), 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) [2022-11-18 19:38:48,868 INFO L175 Difference]: Start difference. First operand has 108 places, 116 transitions, 342 flow. Second operand 6 states and 494 transitions. [2022-11-18 19:38:48,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 166 transitions, 744 flow [2022-11-18 19:38:48,874 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 166 transitions, 744 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 19:38:48,878 INFO L231 Difference]: Finished difference. Result has 118 places, 137 transitions, 526 flow [2022-11-18 19:38:48,878 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=526, PETRI_PLACES=118, PETRI_TRANSITIONS=137} [2022-11-18 19:38:48,879 INFO L288 CegarLoopForPetriNet]: 99 programPoint places, 19 predicate places. [2022-11-18 19:38:48,879 INFO L495 AbstractCegarLoop]: Abstraction has has 118 places, 137 transitions, 526 flow [2022-11-18 19:38:48,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 69.5) internal successors, (417), 6 states have internal predecessors, (417), 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) [2022-11-18 19:38:48,880 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:38:48,880 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:38:48,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 19:38:48,881 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-18 19:38:48,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:38:48,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1511989817, now seen corresponding path program 1 times [2022-11-18 19:38:48,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:38:48,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960784810] [2022-11-18 19:38:48,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:38:48,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:38:48,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:49,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:38:49,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:38:49,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960784810] [2022-11-18 19:38:49,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960784810] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:38:49,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:38:49,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 19:38:49,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871794308] [2022-11-18 19:38:49,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:38:49,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:38:49,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:38:49,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:38:49,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:38:49,238 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 104 [2022-11-18 19:38:49,239 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 137 transitions, 526 flow. Second operand has 6 states, 6 states have (on average 68.66666666666667) internal successors, (412), 6 states have internal predecessors, (412), 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) [2022-11-18 19:38:49,239 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:38:49,239 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 104 [2022-11-18 19:38:49,240 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:38:49,781 INFO L130 PetriNetUnfolder]: 502/1322 cut-off events. [2022-11-18 19:38:49,781 INFO L131 PetriNetUnfolder]: For 781/787 co-relation queries the response was YES. [2022-11-18 19:38:49,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3291 conditions, 1322 events. 502/1322 cut-off events. For 781/787 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 7787 event pairs, 196 based on Foata normal form. 0/1227 useless extension candidates. Maximal degree in co-relation 3245. Up to 895 conditions per place. [2022-11-18 19:38:49,791 INFO L137 encePairwiseOnDemand]: 85/104 looper letters, 94 selfloop transitions, 69 changer transitions 4/225 dead transitions. [2022-11-18 19:38:49,791 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 225 transitions, 1196 flow [2022-11-18 19:38:49,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:38:49,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 19:38:49,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 511 transitions. [2022-11-18 19:38:49,793 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8189102564102564 [2022-11-18 19:38:49,793 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 511 transitions. [2022-11-18 19:38:49,793 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 511 transitions. [2022-11-18 19:38:49,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:38:49,794 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 511 transitions. [2022-11-18 19:38:49,795 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 85.16666666666667) internal successors, (511), 6 states have internal predecessors, (511), 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) [2022-11-18 19:38:49,797 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 104.0) internal successors, (728), 7 states have internal predecessors, (728), 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) [2022-11-18 19:38:49,797 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 104.0) internal successors, (728), 7 states have internal predecessors, (728), 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) [2022-11-18 19:38:49,797 INFO L175 Difference]: Start difference. First operand has 118 places, 137 transitions, 526 flow. Second operand 6 states and 511 transitions. [2022-11-18 19:38:49,797 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 225 transitions, 1196 flow [2022-11-18 19:38:49,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 225 transitions, 1196 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 19:38:49,810 INFO L231 Difference]: Finished difference. Result has 128 places, 200 transitions, 1112 flow [2022-11-18 19:38:49,811 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=526, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1112, PETRI_PLACES=128, PETRI_TRANSITIONS=200} [2022-11-18 19:38:49,813 INFO L288 CegarLoopForPetriNet]: 99 programPoint places, 29 predicate places. [2022-11-18 19:38:49,814 INFO L495 AbstractCegarLoop]: Abstraction has has 128 places, 200 transitions, 1112 flow [2022-11-18 19:38:49,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 68.66666666666667) internal successors, (412), 6 states have internal predecessors, (412), 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) [2022-11-18 19:38:49,814 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:38:49,814 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:38:49,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 19:38:49,815 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-18 19:38:49,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:38:49,816 INFO L85 PathProgramCache]: Analyzing trace with hash -195917845, now seen corresponding path program 1 times [2022-11-18 19:38:49,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:38:49,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641879631] [2022-11-18 19:38:49,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:38:49,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:38:49,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:50,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:38:50,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:38:50,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641879631] [2022-11-18 19:38:50,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641879631] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:38:50,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:38:50,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 19:38:50,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278300371] [2022-11-18 19:38:50,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:38:50,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:38:50,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:38:50,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:38:50,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:38:50,155 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 104 [2022-11-18 19:38:50,155 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 200 transitions, 1112 flow. Second operand has 6 states, 6 states have (on average 68.66666666666667) internal successors, (412), 6 states have internal predecessors, (412), 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) [2022-11-18 19:38:50,155 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:38:50,156 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 104 [2022-11-18 19:38:50,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:38:50,599 INFO L130 PetriNetUnfolder]: 545/1419 cut-off events. [2022-11-18 19:38:50,600 INFO L131 PetriNetUnfolder]: For 1834/1845 co-relation queries the response was YES. [2022-11-18 19:38:50,604 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4541 conditions, 1419 events. 545/1419 cut-off events. For 1834/1845 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 8609 event pairs, 155 based on Foata normal form. 0/1365 useless extension candidates. Maximal degree in co-relation 4490. Up to 995 conditions per place. [2022-11-18 19:38:50,612 INFO L137 encePairwiseOnDemand]: 89/104 looper letters, 145 selfloop transitions, 67 changer transitions 0/271 dead transitions. [2022-11-18 19:38:50,612 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 271 transitions, 1954 flow [2022-11-18 19:38:50,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:38:50,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 19:38:50,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 487 transitions. [2022-11-18 19:38:50,614 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.780448717948718 [2022-11-18 19:38:50,614 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 487 transitions. [2022-11-18 19:38:50,615 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 487 transitions. [2022-11-18 19:38:50,615 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:38:50,616 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 487 transitions. [2022-11-18 19:38:50,618 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 81.16666666666667) internal successors, (487), 6 states have internal predecessors, (487), 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) [2022-11-18 19:38:50,620 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 104.0) internal successors, (728), 7 states have internal predecessors, (728), 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) [2022-11-18 19:38:50,621 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 104.0) internal successors, (728), 7 states have internal predecessors, (728), 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) [2022-11-18 19:38:50,625 INFO L175 Difference]: Start difference. First operand has 128 places, 200 transitions, 1112 flow. Second operand 6 states and 487 transitions. [2022-11-18 19:38:50,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 271 transitions, 1954 flow [2022-11-18 19:38:50,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 271 transitions, 1890 flow, removed 32 selfloop flow, removed 0 redundant places. [2022-11-18 19:38:50,648 INFO L231 Difference]: Finished difference. Result has 138 places, 253 transitions, 1700 flow [2022-11-18 19:38:50,649 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=1054, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=200, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1700, PETRI_PLACES=138, PETRI_TRANSITIONS=253} [2022-11-18 19:38:50,650 INFO L288 CegarLoopForPetriNet]: 99 programPoint places, 39 predicate places. [2022-11-18 19:38:50,650 INFO L495 AbstractCegarLoop]: Abstraction has has 138 places, 253 transitions, 1700 flow [2022-11-18 19:38:50,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 68.66666666666667) internal successors, (412), 6 states have internal predecessors, (412), 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) [2022-11-18 19:38:50,651 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:38:50,653 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:38:50,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 19:38:50,654 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-18 19:38:50,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:38:50,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1233384212, now seen corresponding path program 1 times [2022-11-18 19:38:50,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:38:50,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823188888] [2022-11-18 19:38:50,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:38:50,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:38:50,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:38:50,708 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:38:50,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:38:50,766 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:38:50,766 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 19:38:50,767 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-11-18 19:38:50,770 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-11-18 19:38:50,770 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-11-18 19:38:50,771 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2022-11-18 19:38:50,771 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2022-11-18 19:38:50,771 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-11-18 19:38:50,771 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-11-18 19:38:50,771 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-11-18 19:38:50,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 19:38:50,772 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-18 19:38:50,779 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-18 19:38:50,779 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 19:38:50,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 07:38:50 BasicIcfg [2022-11-18 19:38:50,863 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 19:38:50,865 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 19:38:50,865 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 19:38:50,865 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 19:38:50,866 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:38:45" (3/4) ... [2022-11-18 19:38:50,869 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 19:38:50,869 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 19:38:50,873 INFO L158 Benchmark]: Toolchain (without parser) took 6412.22ms. Allocated memory was 132.1MB in the beginning and 165.7MB in the end (delta: 33.6MB). Free memory was 96.2MB in the beginning and 88.2MB in the end (delta: 7.9MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2022-11-18 19:38:50,873 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 79.7MB. Free memory was 50.8MB in the beginning and 50.8MB in the end (delta: 29.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:38:50,874 INFO L158 Benchmark]: CACSL2BoogieTranslator took 649.49ms. Allocated memory is still 132.1MB. Free memory was 96.0MB in the beginning and 90.5MB in the end (delta: 5.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 19:38:50,875 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.53ms. Allocated memory is still 132.1MB. Free memory was 90.5MB in the beginning and 87.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 19:38:50,877 INFO L158 Benchmark]: Boogie Preprocessor took 29.50ms. Allocated memory is still 132.1MB. Free memory was 87.7MB in the beginning and 85.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 19:38:50,878 INFO L158 Benchmark]: RCFGBuilder took 613.17ms. Allocated memory is still 132.1MB. Free memory was 85.7MB in the beginning and 69.6MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-18 19:38:50,883 INFO L158 Benchmark]: TraceAbstraction took 5056.27ms. Allocated memory was 132.1MB in the beginning and 165.7MB in the end (delta: 33.6MB). Free memory was 68.9MB in the beginning and 88.2MB in the end (delta: -19.3MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2022-11-18 19:38:50,883 INFO L158 Benchmark]: Witness Printer took 3.94ms. Allocated memory is still 165.7MB. Free memory is still 88.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:38:50,885 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 79.7MB. Free memory was 50.8MB in the beginning and 50.8MB in the end (delta: 29.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 649.49ms. Allocated memory is still 132.1MB. Free memory was 96.0MB in the beginning and 90.5MB in the end (delta: 5.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.53ms. Allocated memory is still 132.1MB. Free memory was 90.5MB in the beginning and 87.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.50ms. Allocated memory is still 132.1MB. Free memory was 87.7MB in the beginning and 85.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 613.17ms. Allocated memory is still 132.1MB. Free memory was 85.7MB in the beginning and 69.6MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5056.27ms. Allocated memory was 132.1MB in the beginning and 165.7MB in the end (delta: 33.6MB). Free memory was 68.9MB in the beginning and 88.2MB in the end (delta: -19.3MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * Witness Printer took 3.94ms. Allocated memory is still 165.7MB. Free memory is still 88.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 923]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int myglobal1; VAL [myglobal1={1:0}] [L918] 0 int myglobal2; VAL [myglobal1={1:0}, myglobal2=0] [L920] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex2={2:0}, myglobal1={1:0}, myglobal2=0] [L919] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={3:0}, mutex2={2:0}, myglobal1={1:0}, myglobal2=0] [L931] 0 pthread_t id; VAL [id={5:0}, mutex1={3:0}, mutex2={2:0}, myglobal1={1:0}, myglobal2=0] [L932] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [id={5:0}, mutex1={3:0}, mutex2={2:0}, myglobal1={1:0}, myglobal2=0, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L927] CALL 1 munge(&mutex1, &myglobal1) [L923] EXPR 1 \read(*v) VAL [\read(*v)=0, m={3:0}, m={3:0}, mutex1={3:0}, mutex2={2:0}, myglobal1={1:0}, myglobal2=0, v={1:0}, v={1:0}] [L923] EXPR 1 *v+1 VAL [\read(*v)=0, m={3:0}, m={3:0}, mutex1={3:0}, mutex2={2:0}, myglobal1={1:0}, myglobal2=0, v={1:0}, v={1:0}] [L933] CALL 0 munge(&mutex2,&myglobal1) [L923] EXPR 0 \read(*v) VAL [\read(*v)=0, \read(*v)=0, m={3:0}, m={3:0}, m={2:0}, m={2:0}, mutex1={3:0}, mutex2={2:0}, myglobal1={1:0}, myglobal2=0, v={1:0}, v={1:0}, v={1:0}, v={1:0}] [L923] 0 *v+1 VAL [\read(*v)=0, \read(*v)=0, m={3:0}, m={2:0}, m={3:0}, m={2:0}, mutex1={3:0}, mutex2={2:0}, myglobal1={1:0}, myglobal2=0, v={1:0}, v={1:0}, v={1:0}, v={1:0}] [L923] 1 *v=*v+1 VAL [*v=*v+1=25, \read(*v)=0, \read(*v)=0, m={3:0}, m={2:0}, m={2:0}, m={3:0}, mutex1={3:0}, mutex2={2:0}, myglobal1={1:0}, myglobal2=0, v={1:0}, v={1:0}, v={1:0}, v={1:0}] [L923] 0 *v+1 VAL [*v=*v+1=25, \read(*v)=0, \read(*v)=0, m={2:0}, m={3:0}, m={2:0}, m={3:0}, mutex1={3:0}, mutex2={2:0}, myglobal1={1:0}, myglobal2=0, v={1:0}, v={1:0}, v={1:0}, v={1:0}] Now there is a data race (on the heap) between C: *v=*v+1 [923] and C: *v+1 [923] - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 934]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 932]: 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: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 923]: 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 3 procedures, 136 locations, 8 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: 4.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 89 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 89 mSDsluCounter, 118 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 74 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 877 IncrementalHoareTripleChecker+Invalid, 951 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 74 mSolverCounterUnsat, 118 mSDtfsCounter, 877 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1700occurred in iteration=4, InterpolantAutomatonStates: 24, 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, 0.1s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 259 NumberOfCodeBlocks, 259 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 516 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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! [2022-11-18 19:38:50,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c6c18-ab06-4abb-81b9-a209469c989e/bin/uautomizer-TMbwUNV5ro/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