./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/02-base_24-malloc_races.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4e7fbc69 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_3ef69e02-bcc2-407f-8457-dbdd3f43a191/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef69e02-bcc2-407f-8457-dbdd3f43a191/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef69e02-bcc2-407f-8457-dbdd3f43a191/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef69e02-bcc2-407f-8457-dbdd3f43a191/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/02-base_24-malloc_races.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef69e02-bcc2-407f-8457-dbdd3f43a191/bin/uautomizer-QkZJyEgLgS/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef69e02-bcc2-407f-8457-dbdd3f43a191/bin/uautomizer-QkZJyEgLgS --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 10776deb9ece8603196e8eecaf972964a6cae8e272af6ac2269e1894470ceda6 --- 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-4e7fbc6 [2022-11-23 03:17:52,104 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 03:17:52,106 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 03:17:52,132 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 03:17:52,132 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 03:17:52,136 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 03:17:52,142 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 03:17:52,146 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 03:17:52,148 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 03:17:52,156 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 03:17:52,158 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 03:17:52,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 03:17:52,160 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 03:17:52,167 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 03:17:52,168 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 03:17:52,169 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 03:17:52,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 03:17:52,171 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 03:17:52,172 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 03:17:52,174 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 03:17:52,175 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 03:17:52,176 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 03:17:52,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 03:17:52,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 03:17:52,181 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 03:17:52,182 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 03:17:52,182 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 03:17:52,183 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 03:17:52,184 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 03:17:52,184 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 03:17:52,185 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 03:17:52,186 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 03:17:52,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 03:17:52,187 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 03:17:52,188 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 03:17:52,188 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 03:17:52,189 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 03:17:52,189 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 03:17:52,189 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 03:17:52,190 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 03:17:52,191 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 03:17:52,192 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef69e02-bcc2-407f-8457-dbdd3f43a191/bin/uautomizer-QkZJyEgLgS/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-23 03:17:52,216 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 03:17:52,217 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 03:17:52,217 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 03:17:52,217 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 03:17:52,218 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 03:17:52,218 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 03:17:52,219 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 03:17:52,219 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 03:17:52,219 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 03:17:52,219 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 03:17:52,219 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 03:17:52,220 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 03:17:52,220 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 03:17:52,220 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 03:17:52,220 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 03:17:52,220 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 03:17:52,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 03:17:52,221 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 03:17:52,221 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-23 03:17:52,221 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 03:17:52,221 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 03:17:52,221 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 03:17:52,222 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 03:17:52,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 03:17:52,222 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 03:17:52,222 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 03:17:52,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:17:52,223 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 03:17:52,223 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 03:17:52,223 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 03:17:52,223 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 03:17:52,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 03:17:52,223 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 03:17:52,224 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 03:17:52,224 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 03:17:52,224 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 03:17:52,224 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_3ef69e02-bcc2-407f-8457-dbdd3f43a191/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef69e02-bcc2-407f-8457-dbdd3f43a191/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10776deb9ece8603196e8eecaf972964a6cae8e272af6ac2269e1894470ceda6 [2022-11-23 03:17:52,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 03:17:52,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 03:17:52,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 03:17:52,527 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 03:17:52,527 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 03:17:52,529 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef69e02-bcc2-407f-8457-dbdd3f43a191/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/goblint-regression/02-base_24-malloc_races.i [2022-11-23 03:17:55,623 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 03:17:55,949 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 03:17:55,949 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef69e02-bcc2-407f-8457-dbdd3f43a191/sv-benchmarks/c/goblint-regression/02-base_24-malloc_races.i [2022-11-23 03:17:55,995 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef69e02-bcc2-407f-8457-dbdd3f43a191/bin/uautomizer-QkZJyEgLgS/data/b4ee08515/a9fc4e5abef049ea8340a10d3067aeb0/FLAG4c4ff91e0 [2022-11-23 03:17:56,013 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef69e02-bcc2-407f-8457-dbdd3f43a191/bin/uautomizer-QkZJyEgLgS/data/b4ee08515/a9fc4e5abef049ea8340a10d3067aeb0 [2022-11-23 03:17:56,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 03:17:56,021 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 03:17:56,024 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 03:17:56,024 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 03:17:56,028 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 03:17:56,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:17:56" (1/1) ... [2022-11-23 03:17:56,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bfdb22c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:56, skipping insertion in model container [2022-11-23 03:17:56,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:17:56" (1/1) ... [2022-11-23 03:17:56,038 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 03:17:56,103 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 03:17:56,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:17:56,812 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 03:17:56,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:17:56,953 INFO L208 MainTranslator]: Completed translation [2022-11-23 03:17:56,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:56 WrapperNode [2022-11-23 03:17:56,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 03:17:56,955 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 03:17:56,956 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 03:17:56,956 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 03:17:56,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:56" (1/1) ... [2022-11-23 03:17:56,983 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:56" (1/1) ... [2022-11-23 03:17:57,006 INFO L138 Inliner]: procedures = 365, calls = 21, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2022-11-23 03:17:57,007 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 03:17:57,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 03:17:57,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 03:17:57,008 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 03:17:57,017 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:56" (1/1) ... [2022-11-23 03:17:57,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:56" (1/1) ... [2022-11-23 03:17:57,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:56" (1/1) ... [2022-11-23 03:17:57,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:56" (1/1) ... [2022-11-23 03:17:57,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:56" (1/1) ... [2022-11-23 03:17:57,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:56" (1/1) ... [2022-11-23 03:17:57,035 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:56" (1/1) ... [2022-11-23 03:17:57,036 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:56" (1/1) ... [2022-11-23 03:17:57,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 03:17:57,040 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 03:17:57,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 03:17:57,041 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 03:17:57,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:56" (1/1) ... [2022-11-23 03:17:57,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:17:57,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef69e02-bcc2-407f-8457-dbdd3f43a191/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:17:57,087 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef69e02-bcc2-407f-8457-dbdd3f43a191/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 03:17:57,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef69e02-bcc2-407f-8457-dbdd3f43a191/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 03:17:57,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 03:17:57,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 03:17:57,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 03:17:57,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 03:17:57,136 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-23 03:17:57,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 03:17:57,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 03:17:57,138 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-23 03:17:57,139 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-23 03:17:57,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 03:17:57,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 03:17:57,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 03:17:57,141 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 03:17:57,371 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 03:17:57,373 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 03:17:57,644 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 03:17:57,666 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 03:17:57,667 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 03:17:57,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:17:57 BoogieIcfgContainer [2022-11-23 03:17:57,669 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 03:17:57,672 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 03:17:57,672 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 03:17:57,675 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 03:17:57,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:17:56" (1/3) ... [2022-11-23 03:17:57,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25d065f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:17:57, skipping insertion in model container [2022-11-23 03:17:57,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:56" (2/3) ... [2022-11-23 03:17:57,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25d065f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:17:57, skipping insertion in model container [2022-11-23 03:17:57,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:17:57" (3/3) ... [2022-11-23 03:17:57,679 INFO L112 eAbstractionObserver]: Analyzing ICFG 02-base_24-malloc_races.i [2022-11-23 03:17:57,688 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-23 03:17:57,714 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 03:17:57,714 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-11-23 03:17:57,714 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 03:17:57,772 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-23 03:17:57,821 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 108 places, 104 transitions, 213 flow [2022-11-23 03:17:57,871 INFO L130 PetriNetUnfolder]: 0/103 cut-off events. [2022-11-23 03:17:57,871 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 03:17:57,874 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 103 events. 0/103 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 78 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-11-23 03:17:57,875 INFO L82 GeneralOperation]: Start removeDead. Operand has 108 places, 104 transitions, 213 flow [2022-11-23 03:17:57,879 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 107 places, 103 transitions, 209 flow [2022-11-23 03:17:57,883 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-23 03:17:57,911 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 103 transitions, 209 flow [2022-11-23 03:17:57,914 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 107 places, 103 transitions, 209 flow [2022-11-23 03:17:57,914 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 107 places, 103 transitions, 209 flow [2022-11-23 03:17:57,946 INFO L130 PetriNetUnfolder]: 0/103 cut-off events. [2022-11-23 03:17:57,947 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 03:17:57,947 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 103 events. 0/103 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 78 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-11-23 03:17:57,949 INFO L119 LiptonReduction]: Number of co-enabled transitions 2100 [2022-11-23 03:18:02,173 INFO L134 LiptonReduction]: Checked pairs total: 14178 [2022-11-23 03:18:02,174 INFO L136 LiptonReduction]: Total number of compositions: 93 [2022-11-23 03:18:02,189 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 03:18:02,212 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;@58389edd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 03:18:02,226 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-11-23 03:18:02,227 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-11-23 03:18:02,228 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 03:18:02,228 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 03:18:02,229 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-11-23 03:18:02,229 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-11-23 03:18:02,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:18:02,237 INFO L85 PathProgramCache]: Analyzing trace with hash 352, now seen corresponding path program 1 times [2022-11-23 03:18:02,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:18:02,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939058870] [2022-11-23 03:18:02,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:18:02,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:18:02,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:18:02,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:18:02,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:18:02,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939058870] [2022-11-23 03:18:02,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939058870] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:18:02,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:18:02,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-23 03:18:02,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527523066] [2022-11-23 03:18:02,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:18:02,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 03:18:02,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:18:02,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 03:18:02,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 03:18:02,427 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 197 [2022-11-23 03:18:02,431 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 40 transitions, 83 flow. Second operand has 2 states, 2 states have (on average 103.5) internal successors, (207), 2 states have internal predecessors, (207), 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) [2022-11-23 03:18:02,431 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 03:18:02,431 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 197 [2022-11-23 03:18:02,433 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 03:18:02,565 INFO L130 PetriNetUnfolder]: 42/185 cut-off events. [2022-11-23 03:18:02,565 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 03:18:02,567 INFO L83 FinitePrefix]: Finished finitePrefix Result has 289 conditions, 185 events. 42/185 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 746 event pairs, 42 based on Foata normal form. 0/179 useless extension candidates. Maximal degree in co-relation 280. Up to 100 conditions per place. [2022-11-23 03:18:02,571 INFO L137 encePairwiseOnDemand]: 191/197 looper letters, 15 selfloop transitions, 0 changer transitions 0/34 dead transitions. [2022-11-23 03:18:02,572 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 34 transitions, 101 flow [2022-11-23 03:18:02,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 03:18:02,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-23 03:18:02,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 227 transitions. [2022-11-23 03:18:02,588 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5761421319796954 [2022-11-23 03:18:02,589 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 227 transitions. [2022-11-23 03:18:02,589 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 227 transitions. [2022-11-23 03:18:02,591 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:18:02,594 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 227 transitions. [2022-11-23 03:18:02,601 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 113.5) internal successors, (227), 2 states have internal predecessors, (227), 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) [2022-11-23 03:18:02,609 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 197.0) internal successors, (591), 3 states have internal predecessors, (591), 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) [2022-11-23 03:18:02,610 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 197.0) internal successors, (591), 3 states have internal predecessors, (591), 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) [2022-11-23 03:18:02,612 INFO L175 Difference]: Start difference. First operand has 44 places, 40 transitions, 83 flow. Second operand 2 states and 227 transitions. [2022-11-23 03:18:02,614 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 34 transitions, 101 flow [2022-11-23 03:18:02,616 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 34 transitions, 100 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-23 03:18:02,619 INFO L231 Difference]: Finished difference. Result has 38 places, 34 transitions, 70 flow [2022-11-23 03:18:02,622 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=70, PETRI_PLACES=38, PETRI_TRANSITIONS=34} [2022-11-23 03:18:02,629 INFO L288 CegarLoopForPetriNet]: 44 programPoint places, -6 predicate places. [2022-11-23 03:18:02,629 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 34 transitions, 70 flow [2022-11-23 03:18:02,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 103.5) internal successors, (207), 2 states have internal predecessors, (207), 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) [2022-11-23 03:18:02,630 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 03:18:02,630 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:18:02,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 03:18:02,630 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-11-23 03:18:02,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:18:02,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1770072002, now seen corresponding path program 1 times [2022-11-23 03:18:02,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:18:02,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157279526] [2022-11-23 03:18:02,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:18:02,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:18:02,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:18:03,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:18:03,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:18:03,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157279526] [2022-11-23 03:18:03,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157279526] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:18:03,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:18:03,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 03:18:03,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7594152] [2022-11-23 03:18:03,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:18:03,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:18:03,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:18:03,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:18:03,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:18:03,550 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 197 [2022-11-23 03:18:03,551 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 34 transitions, 70 flow. Second operand has 6 states, 6 states have (on average 87.5) internal successors, (525), 6 states have internal predecessors, (525), 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) [2022-11-23 03:18:03,552 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 03:18:03,552 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 197 [2022-11-23 03:18:03,552 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 03:18:03,841 INFO L130 PetriNetUnfolder]: 271/712 cut-off events. [2022-11-23 03:18:03,841 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 03:18:03,844 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1314 conditions, 712 events. 271/712 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 3987 event pairs, 38 based on Foata normal form. 0/686 useless extension candidates. Maximal degree in co-relation 1311. Up to 302 conditions per place. [2022-11-23 03:18:03,848 INFO L137 encePairwiseOnDemand]: 182/197 looper letters, 74 selfloop transitions, 37 changer transitions 0/118 dead transitions. [2022-11-23 03:18:03,849 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 118 transitions, 460 flow [2022-11-23 03:18:03,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 03:18:03,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-23 03:18:03,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 628 transitions. [2022-11-23 03:18:03,852 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5313028764805414 [2022-11-23 03:18:03,853 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 628 transitions. [2022-11-23 03:18:03,853 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 628 transitions. [2022-11-23 03:18:03,853 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:18:03,854 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 628 transitions. [2022-11-23 03:18:03,856 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 104.66666666666667) internal successors, (628), 6 states have internal predecessors, (628), 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) [2022-11-23 03:18:03,859 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 197.0) internal successors, (1379), 7 states have internal predecessors, (1379), 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) [2022-11-23 03:18:03,860 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 197.0) internal successors, (1379), 7 states have internal predecessors, (1379), 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) [2022-11-23 03:18:03,860 INFO L175 Difference]: Start difference. First operand has 38 places, 34 transitions, 70 flow. Second operand 6 states and 628 transitions. [2022-11-23 03:18:03,860 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 118 transitions, 460 flow [2022-11-23 03:18:03,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 118 transitions, 460 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-23 03:18:03,863 INFO L231 Difference]: Finished difference. Result has 47 places, 72 transitions, 306 flow [2022-11-23 03:18:03,863 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=306, PETRI_PLACES=47, PETRI_TRANSITIONS=72} [2022-11-23 03:18:03,864 INFO L288 CegarLoopForPetriNet]: 44 programPoint places, 3 predicate places. [2022-11-23 03:18:03,864 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 72 transitions, 306 flow [2022-11-23 03:18:03,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 87.5) internal successors, (525), 6 states have internal predecessors, (525), 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) [2022-11-23 03:18:03,865 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 03:18:03,865 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:18:03,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 03:18:03,866 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-11-23 03:18:03,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:18:03,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1304889625, now seen corresponding path program 1 times [2022-11-23 03:18:03,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:18:03,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537941824] [2022-11-23 03:18:03,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:18:03,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:18:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:18:04,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:18:04,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:18:04,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537941824] [2022-11-23 03:18:04,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537941824] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:18:04,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:18:04,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 03:18:04,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666105724] [2022-11-23 03:18:04,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:18:04,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:18:04,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:18:04,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:18:04,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:18:04,275 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 197 [2022-11-23 03:18:04,276 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 72 transitions, 306 flow. Second operand has 6 states, 6 states have (on average 81.5) internal successors, (489), 6 states have internal predecessors, (489), 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) [2022-11-23 03:18:04,277 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 03:18:04,277 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 197 [2022-11-23 03:18:04,277 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 03:18:04,654 INFO L130 PetriNetUnfolder]: 497/1121 cut-off events. [2022-11-23 03:18:04,654 INFO L131 PetriNetUnfolder]: For 440/450 co-relation queries the response was YES. [2022-11-23 03:18:04,658 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2999 conditions, 1121 events. 497/1121 cut-off events. For 440/450 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 6231 event pairs, 221 based on Foata normal form. 28/1149 useless extension candidates. Maximal degree in co-relation 2991. Up to 883 conditions per place. [2022-11-23 03:18:04,663 INFO L137 encePairwiseOnDemand]: 182/197 looper letters, 102 selfloop transitions, 45 changer transitions 0/150 dead transitions. [2022-11-23 03:18:04,663 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 150 transitions, 860 flow [2022-11-23 03:18:04,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 03:18:04,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-23 03:18:04,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 584 transitions. [2022-11-23 03:18:04,666 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.494077834179357 [2022-11-23 03:18:04,666 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 584 transitions. [2022-11-23 03:18:04,666 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 584 transitions. [2022-11-23 03:18:04,667 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:18:04,667 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 584 transitions. [2022-11-23 03:18:04,668 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 97.33333333333333) internal successors, (584), 6 states have internal predecessors, (584), 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) [2022-11-23 03:18:04,672 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 197.0) internal successors, (1379), 7 states have internal predecessors, (1379), 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) [2022-11-23 03:18:04,672 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 197.0) internal successors, (1379), 7 states have internal predecessors, (1379), 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) [2022-11-23 03:18:04,673 INFO L175 Difference]: Start difference. First operand has 47 places, 72 transitions, 306 flow. Second operand 6 states and 584 transitions. [2022-11-23 03:18:04,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 150 transitions, 860 flow [2022-11-23 03:18:04,678 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 150 transitions, 860 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-23 03:18:04,680 INFO L231 Difference]: Finished difference. Result has 56 places, 114 transitions, 647 flow [2022-11-23 03:18:04,680 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=306, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=647, PETRI_PLACES=56, PETRI_TRANSITIONS=114} [2022-11-23 03:18:04,681 INFO L288 CegarLoopForPetriNet]: 44 programPoint places, 12 predicate places. [2022-11-23 03:18:04,681 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 114 transitions, 647 flow [2022-11-23 03:18:04,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 81.5) internal successors, (489), 6 states have internal predecessors, (489), 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) [2022-11-23 03:18:04,682 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 03:18:04,682 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:18:04,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 03:18:04,683 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-11-23 03:18:04,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:18:04,683 INFO L85 PathProgramCache]: Analyzing trace with hash 206310479, now seen corresponding path program 1 times [2022-11-23 03:18:04,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:18:04,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729993143] [2022-11-23 03:18:04,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:18:04,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:18:04,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:18:04,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:18:04,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:18:04,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729993143] [2022-11-23 03:18:04,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729993143] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:18:04,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:18:04,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 03:18:04,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358173094] [2022-11-23 03:18:04,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:18:04,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 03:18:04,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:18:04,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 03:18:04,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:18:04,771 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 197 [2022-11-23 03:18:04,771 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 114 transitions, 647 flow. Second operand has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 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) [2022-11-23 03:18:04,772 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 03:18:04,772 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 197 [2022-11-23 03:18:04,772 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 03:18:04,831 INFO L130 PetriNetUnfolder]: 47/193 cut-off events. [2022-11-23 03:18:04,832 INFO L131 PetriNetUnfolder]: For 124/130 co-relation queries the response was YES. [2022-11-23 03:18:04,832 INFO L83 FinitePrefix]: Finished finitePrefix Result has 544 conditions, 193 events. 47/193 cut-off events. For 124/130 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 759 event pairs, 6 based on Foata normal form. 12/202 useless extension candidates. Maximal degree in co-relation 531. Up to 60 conditions per place. [2022-11-23 03:18:04,833 INFO L137 encePairwiseOnDemand]: 193/197 looper letters, 15 selfloop transitions, 4 changer transitions 0/56 dead transitions. [2022-11-23 03:18:04,833 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 56 transitions, 291 flow [2022-11-23 03:18:04,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 03:18:04,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-23 03:18:04,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 313 transitions. [2022-11-23 03:18:04,835 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5296108291032149 [2022-11-23 03:18:04,835 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 313 transitions. [2022-11-23 03:18:04,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 313 transitions. [2022-11-23 03:18:04,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:18:04,836 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 313 transitions. [2022-11-23 03:18:04,837 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 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) [2022-11-23 03:18:04,838 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 197.0) internal successors, (788), 4 states have internal predecessors, (788), 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) [2022-11-23 03:18:04,839 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 197.0) internal successors, (788), 4 states have internal predecessors, (788), 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) [2022-11-23 03:18:04,839 INFO L175 Difference]: Start difference. First operand has 56 places, 114 transitions, 647 flow. Second operand 3 states and 313 transitions. [2022-11-23 03:18:04,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 56 transitions, 291 flow [2022-11-23 03:18:04,841 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 56 transitions, 245 flow, removed 16 selfloop flow, removed 7 redundant places. [2022-11-23 03:18:04,843 INFO L231 Difference]: Finished difference. Result has 50 places, 54 transitions, 211 flow [2022-11-23 03:18:04,843 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=203, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=211, PETRI_PLACES=50, PETRI_TRANSITIONS=54} [2022-11-23 03:18:04,844 INFO L288 CegarLoopForPetriNet]: 44 programPoint places, 6 predicate places. [2022-11-23 03:18:04,844 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 54 transitions, 211 flow [2022-11-23 03:18:04,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 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) [2022-11-23 03:18:04,844 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 03:18:04,844 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:18:04,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 03:18:04,845 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-11-23 03:18:04,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:18:04,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1892918937, now seen corresponding path program 1 times [2022-11-23 03:18:04,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:18:04,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685967192] [2022-11-23 03:18:04,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:18:04,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:18:04,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:18:05,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:18:05,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:18:05,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685967192] [2022-11-23 03:18:05,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685967192] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:18:05,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:18:05,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 03:18:05,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278927776] [2022-11-23 03:18:05,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:18:05,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:18:05,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:18:05,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:18:05,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:18:05,276 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 197 [2022-11-23 03:18:05,277 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 54 transitions, 211 flow. Second operand has 6 states, 6 states have (on average 82.5) internal successors, (495), 6 states have internal predecessors, (495), 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) [2022-11-23 03:18:05,277 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 03:18:05,277 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 197 [2022-11-23 03:18:05,277 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 03:18:05,438 INFO L130 PetriNetUnfolder]: 139/375 cut-off events. [2022-11-23 03:18:05,438 INFO L131 PetriNetUnfolder]: For 84/84 co-relation queries the response was YES. [2022-11-23 03:18:05,439 INFO L83 FinitePrefix]: Finished finitePrefix Result has 981 conditions, 375 events. 139/375 cut-off events. For 84/84 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1614 event pairs, 51 based on Foata normal form. 0/364 useless extension candidates. Maximal degree in co-relation 971. Up to 262 conditions per place. [2022-11-23 03:18:05,441 INFO L137 encePairwiseOnDemand]: 186/197 looper letters, 67 selfloop transitions, 21 changer transitions 4/94 dead transitions. [2022-11-23 03:18:05,441 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 94 transitions, 507 flow [2022-11-23 03:18:05,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 03:18:05,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-23 03:18:05,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 552 transitions. [2022-11-23 03:18:05,444 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.467005076142132 [2022-11-23 03:18:05,444 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 552 transitions. [2022-11-23 03:18:05,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 552 transitions. [2022-11-23 03:18:05,445 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:18:05,445 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 552 transitions. [2022-11-23 03:18:05,446 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 92.0) internal successors, (552), 6 states have internal predecessors, (552), 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) [2022-11-23 03:18:05,449 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 197.0) internal successors, (1379), 7 states have internal predecessors, (1379), 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) [2022-11-23 03:18:05,449 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 197.0) internal successors, (1379), 7 states have internal predecessors, (1379), 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) [2022-11-23 03:18:05,449 INFO L175 Difference]: Start difference. First operand has 50 places, 54 transitions, 211 flow. Second operand 6 states and 552 transitions. [2022-11-23 03:18:05,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 94 transitions, 507 flow [2022-11-23 03:18:05,451 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 94 transitions, 503 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-23 03:18:05,453 INFO L231 Difference]: Finished difference. Result has 58 places, 75 transitions, 370 flow [2022-11-23 03:18:05,453 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=207, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=370, PETRI_PLACES=58, PETRI_TRANSITIONS=75} [2022-11-23 03:18:05,454 INFO L288 CegarLoopForPetriNet]: 44 programPoint places, 14 predicate places. [2022-11-23 03:18:05,454 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 75 transitions, 370 flow [2022-11-23 03:18:05,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 82.5) internal successors, (495), 6 states have internal predecessors, (495), 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) [2022-11-23 03:18:05,455 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 03:18:05,455 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:18:05,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 03:18:05,455 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-11-23 03:18:05,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:18:05,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1622350332, now seen corresponding path program 1 times [2022-11-23 03:18:05,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:18:05,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70280491] [2022-11-23 03:18:05,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:18:05,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:18:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:18:05,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:18:05,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:18:05,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70280491] [2022-11-23 03:18:05,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70280491] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:18:05,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:18:05,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 03:18:05,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857186864] [2022-11-23 03:18:05,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:18:05,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:18:05,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:18:05,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:18:05,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:18:05,839 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 197 [2022-11-23 03:18:05,840 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 75 transitions, 370 flow. Second operand has 6 states, 6 states have (on average 88.0) internal successors, (528), 6 states have internal predecessors, (528), 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) [2022-11-23 03:18:05,840 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 03:18:05,841 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 197 [2022-11-23 03:18:05,841 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 03:18:06,111 INFO L130 PetriNetUnfolder]: 208/537 cut-off events. [2022-11-23 03:18:06,111 INFO L131 PetriNetUnfolder]: For 364/370 co-relation queries the response was YES. [2022-11-23 03:18:06,113 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1805 conditions, 537 events. 208/537 cut-off events. For 364/370 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 2649 event pairs, 33 based on Foata normal form. 17/554 useless extension candidates. Maximal degree in co-relation 1790. Up to 285 conditions per place. [2022-11-23 03:18:06,115 INFO L137 encePairwiseOnDemand]: 182/197 looper letters, 83 selfloop transitions, 48 changer transitions 16/153 dead transitions. [2022-11-23 03:18:06,116 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 153 transitions, 997 flow [2022-11-23 03:18:06,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 03:18:06,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-23 03:18:06,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 616 transitions. [2022-11-23 03:18:06,118 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5211505922165821 [2022-11-23 03:18:06,118 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 616 transitions. [2022-11-23 03:18:06,118 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 616 transitions. [2022-11-23 03:18:06,119 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:18:06,119 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 616 transitions. [2022-11-23 03:18:06,120 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 102.66666666666667) internal successors, (616), 6 states have internal predecessors, (616), 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) [2022-11-23 03:18:06,122 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 197.0) internal successors, (1379), 7 states have internal predecessors, (1379), 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) [2022-11-23 03:18:06,123 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 197.0) internal successors, (1379), 7 states have internal predecessors, (1379), 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) [2022-11-23 03:18:06,123 INFO L175 Difference]: Start difference. First operand has 58 places, 75 transitions, 370 flow. Second operand 6 states and 616 transitions. [2022-11-23 03:18:06,123 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 153 transitions, 997 flow [2022-11-23 03:18:06,127 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 153 transitions, 989 flow, removed 4 selfloop flow, removed 0 redundant places. [2022-11-23 03:18:06,130 INFO L231 Difference]: Finished difference. Result has 67 places, 109 transitions, 718 flow [2022-11-23 03:18:06,130 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=362, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=718, PETRI_PLACES=67, PETRI_TRANSITIONS=109} [2022-11-23 03:18:06,131 INFO L288 CegarLoopForPetriNet]: 44 programPoint places, 23 predicate places. [2022-11-23 03:18:06,131 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 109 transitions, 718 flow [2022-11-23 03:18:06,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 88.0) internal successors, (528), 6 states have internal predecessors, (528), 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) [2022-11-23 03:18:06,131 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 03:18:06,131 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:18:06,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 03:18:06,132 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-11-23 03:18:06,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:18:06,132 INFO L85 PathProgramCache]: Analyzing trace with hash 15603423, now seen corresponding path program 1 times [2022-11-23 03:18:06,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:18:06,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7634544] [2022-11-23 03:18:06,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:18:06,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:18:06,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:18:06,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:18:06,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:18:06,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7634544] [2022-11-23 03:18:06,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7634544] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:18:06,526 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:18:06,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 03:18:06,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692800179] [2022-11-23 03:18:06,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:18:06,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 03:18:06,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:18:06,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 03:18:06,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-11-23 03:18:06,766 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 197 [2022-11-23 03:18:06,767 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 109 transitions, 718 flow. Second operand has 8 states, 8 states have (on average 80.375) internal successors, (643), 8 states have internal predecessors, (643), 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) [2022-11-23 03:18:06,767 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 03:18:06,767 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 197 [2022-11-23 03:18:06,767 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 03:18:06,964 INFO L130 PetriNetUnfolder]: 185/477 cut-off events. [2022-11-23 03:18:06,965 INFO L131 PetriNetUnfolder]: For 883/897 co-relation queries the response was YES. [2022-11-23 03:18:06,966 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2062 conditions, 477 events. 185/477 cut-off events. For 883/897 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 2262 event pairs, 41 based on Foata normal form. 11/488 useless extension candidates. Maximal degree in co-relation 2042. Up to 322 conditions per place. [2022-11-23 03:18:06,969 INFO L137 encePairwiseOnDemand]: 190/197 looper letters, 106 selfloop transitions, 26 changer transitions 9/143 dead transitions. [2022-11-23 03:18:06,969 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 143 transitions, 1280 flow [2022-11-23 03:18:06,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 03:18:06,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-11-23 03:18:06,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 601 transitions. [2022-11-23 03:18:06,972 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.43582306018854244 [2022-11-23 03:18:06,973 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 601 transitions. [2022-11-23 03:18:06,973 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 601 transitions. [2022-11-23 03:18:06,973 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:18:06,973 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 601 transitions. [2022-11-23 03:18:06,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 85.85714285714286) internal successors, (601), 7 states have internal predecessors, (601), 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) [2022-11-23 03:18:06,978 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 197.0) internal successors, (1576), 8 states have internal predecessors, (1576), 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) [2022-11-23 03:18:06,979 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 197.0) internal successors, (1576), 8 states have internal predecessors, (1576), 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) [2022-11-23 03:18:06,979 INFO L175 Difference]: Start difference. First operand has 67 places, 109 transitions, 718 flow. Second operand 7 states and 601 transitions. [2022-11-23 03:18:06,979 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 143 transitions, 1280 flow [2022-11-23 03:18:06,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 143 transitions, 1238 flow, removed 15 selfloop flow, removed 2 redundant places. [2022-11-23 03:18:06,995 INFO L231 Difference]: Finished difference. Result has 70 places, 107 transitions, 717 flow [2022-11-23 03:18:06,995 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=672, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=717, PETRI_PLACES=70, PETRI_TRANSITIONS=107} [2022-11-23 03:18:06,996 INFO L288 CegarLoopForPetriNet]: 44 programPoint places, 26 predicate places. [2022-11-23 03:18:06,996 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 107 transitions, 717 flow [2022-11-23 03:18:06,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 80.375) internal successors, (643), 8 states have internal predecessors, (643), 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) [2022-11-23 03:18:06,997 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 03:18:06,997 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:18:06,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 03:18:06,997 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-11-23 03:18:06,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:18:06,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1433096543, now seen corresponding path program 1 times [2022-11-23 03:18:06,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:18:06,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413465541] [2022-11-23 03:18:06,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:18:06,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:18:07,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:18:07,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:18:07,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:18:07,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413465541] [2022-11-23 03:18:07,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413465541] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:18:07,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:18:07,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 03:18:07,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026755996] [2022-11-23 03:18:07,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:18:07,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 03:18:07,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:18:07,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 03:18:07,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-11-23 03:18:07,717 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 197 [2022-11-23 03:18:07,718 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 107 transitions, 717 flow. Second operand has 8 states, 8 states have (on average 85.875) internal successors, (687), 8 states have internal predecessors, (687), 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) [2022-11-23 03:18:07,718 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 03:18:07,718 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 197 [2022-11-23 03:18:07,718 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 03:18:08,053 INFO L130 PetriNetUnfolder]: 181/464 cut-off events. [2022-11-23 03:18:08,053 INFO L131 PetriNetUnfolder]: For 817/832 co-relation queries the response was YES. [2022-11-23 03:18:08,055 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2069 conditions, 464 events. 181/464 cut-off events. For 817/832 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2174 event pairs, 27 based on Foata normal form. 13/477 useless extension candidates. Maximal degree in co-relation 2050. Up to 152 conditions per place. [2022-11-23 03:18:08,058 INFO L137 encePairwiseOnDemand]: 185/197 looper letters, 109 selfloop transitions, 51 changer transitions 7/172 dead transitions. [2022-11-23 03:18:08,058 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 172 transitions, 1476 flow [2022-11-23 03:18:08,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 03:18:08,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-11-23 03:18:08,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 688 transitions. [2022-11-23 03:18:08,061 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.49891225525743294 [2022-11-23 03:18:08,061 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 688 transitions. [2022-11-23 03:18:08,061 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 688 transitions. [2022-11-23 03:18:08,062 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:18:08,062 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 688 transitions. [2022-11-23 03:18:08,064 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 98.28571428571429) internal successors, (688), 7 states have internal predecessors, (688), 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) [2022-11-23 03:18:08,067 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 197.0) internal successors, (1576), 8 states have internal predecessors, (1576), 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) [2022-11-23 03:18:08,068 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 197.0) internal successors, (1576), 8 states have internal predecessors, (1576), 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) [2022-11-23 03:18:08,068 INFO L175 Difference]: Start difference. First operand has 70 places, 107 transitions, 717 flow. Second operand 7 states and 688 transitions. [2022-11-23 03:18:08,068 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 172 transitions, 1476 flow [2022-11-23 03:18:08,076 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 172 transitions, 1318 flow, removed 18 selfloop flow, removed 7 redundant places. [2022-11-23 03:18:08,079 INFO L231 Difference]: Finished difference. Result has 73 places, 114 transitions, 883 flow [2022-11-23 03:18:08,080 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=641, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=883, PETRI_PLACES=73, PETRI_TRANSITIONS=114} [2022-11-23 03:18:08,080 INFO L288 CegarLoopForPetriNet]: 44 programPoint places, 29 predicate places. [2022-11-23 03:18:08,080 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 114 transitions, 883 flow [2022-11-23 03:18:08,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 85.875) internal successors, (687), 8 states have internal predecessors, (687), 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) [2022-11-23 03:18:08,081 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 03:18:08,081 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] [2022-11-23 03:18:08,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-23 03:18:08,082 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-11-23 03:18:08,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:18:08,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1325024623, now seen corresponding path program 1 times [2022-11-23 03:18:08,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:18:08,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139176376] [2022-11-23 03:18:08,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:18:08,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:18:08,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:18:08,110 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:18:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:18:08,147 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:18:08,148 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 03:18:08,149 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (14 of 15 remaining) [2022-11-23 03:18:08,151 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (13 of 15 remaining) [2022-11-23 03:18:08,152 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 15 remaining) [2022-11-23 03:18:08,152 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (11 of 15 remaining) [2022-11-23 03:18:08,152 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (10 of 15 remaining) [2022-11-23 03:18:08,152 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (9 of 15 remaining) [2022-11-23 03:18:08,153 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-11-23 03:18:08,153 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 15 remaining) [2022-11-23 03:18:08,153 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 15 remaining) [2022-11-23 03:18:08,154 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 15 remaining) [2022-11-23 03:18:08,154 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 15 remaining) [2022-11-23 03:18:08,154 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 15 remaining) [2022-11-23 03:18:08,154 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 15 remaining) [2022-11-23 03:18:08,155 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 15 remaining) [2022-11-23 03:18:08,155 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 15 remaining) [2022-11-23 03:18:08,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-23 03:18:08,155 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:18:08,163 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-23 03:18:08,163 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 03:18:08,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:18:08 BasicIcfg [2022-11-23 03:18:08,199 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 03:18:08,200 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 03:18:08,200 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 03:18:08,200 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 03:18:08,201 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:17:57" (3/4) ... [2022-11-23 03:18:08,204 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 03:18:08,204 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 03:18:08,205 INFO L158 Benchmark]: Toolchain (without parser) took 12184.21ms. Allocated memory was 136.3MB in the beginning and 237.0MB in the end (delta: 100.7MB). Free memory was 102.5MB in the beginning and 163.2MB in the end (delta: -60.7MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2022-11-23 03:18:08,205 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 113.2MB. Free memory was 66.4MB in the beginning and 66.4MB in the end (delta: 29.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:18:08,206 INFO L158 Benchmark]: CACSL2BoogieTranslator took 930.71ms. Allocated memory is still 136.3MB. Free memory was 102.1MB in the beginning and 64.9MB in the end (delta: 37.2MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-11-23 03:18:08,206 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.73ms. Allocated memory is still 136.3MB. Free memory was 64.9MB in the beginning and 62.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:18:08,206 INFO L158 Benchmark]: Boogie Preprocessor took 32.19ms. Allocated memory is still 136.3MB. Free memory was 62.4MB in the beginning and 60.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:18:08,207 INFO L158 Benchmark]: RCFGBuilder took 629.14ms. Allocated memory is still 136.3MB. Free memory was 60.3MB in the beginning and 105.7MB in the end (delta: -45.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-23 03:18:08,207 INFO L158 Benchmark]: TraceAbstraction took 10527.68ms. Allocated memory was 136.3MB in the beginning and 237.0MB in the end (delta: 100.7MB). Free memory was 105.0MB in the beginning and 163.2MB in the end (delta: -58.2MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2022-11-23 03:18:08,208 INFO L158 Benchmark]: Witness Printer took 4.35ms. Allocated memory is still 237.0MB. Free memory is still 163.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:18:08,210 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 113.2MB. Free memory was 66.4MB in the beginning and 66.4MB in the end (delta: 29.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 930.71ms. Allocated memory is still 136.3MB. Free memory was 102.1MB in the beginning and 64.9MB in the end (delta: 37.2MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.73ms. Allocated memory is still 136.3MB. Free memory was 64.9MB in the beginning and 62.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.19ms. Allocated memory is still 136.3MB. Free memory was 62.4MB in the beginning and 60.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 629.14ms. Allocated memory is still 136.3MB. Free memory was 60.3MB in the beginning and 105.7MB in the end (delta: -45.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 10527.68ms. Allocated memory was 136.3MB in the beginning and 237.0MB in the end (delta: 100.7MB). Free memory was 105.0MB in the beginning and 163.2MB in the end (delta: -58.2MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. * Witness Printer took 4.35ms. Allocated memory is still 237.0MB. Free memory is still 163.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.3s, 107 PlacesBefore, 44 PlacesAfterwards, 103 TransitionsBefore, 40 TransitionsAfterwards, 2100 CoEnabledTransitionPairs, 10 FixpointIterations, 44 TrivialSequentialCompositions, 49 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 93 TotalNumberOfCompositions, 14178 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3835, independent: 3185, independent conditional: 0, independent unconditional: 3185, dependent: 650, dependent conditional: 0, dependent unconditional: 650, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1583, independent: 1489, independent conditional: 0, independent unconditional: 1489, dependent: 94, dependent conditional: 0, dependent unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1583, independent: 1276, independent conditional: 0, independent unconditional: 1276, dependent: 307, dependent conditional: 0, dependent unconditional: 307, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 307, independent: 213, independent conditional: 0, independent unconditional: 213, dependent: 94, dependent conditional: 0, dependent unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 532, independent: 240, independent conditional: 0, independent unconditional: 240, dependent: 293, dependent conditional: 0, dependent unconditional: 293, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3835, independent: 1696, independent conditional: 0, independent unconditional: 1696, dependent: 556, dependent conditional: 0, dependent unconditional: 556, unknown: 1583, unknown conditional: 0, unknown unconditional: 1583] , Statistics on independence cache: Total cache size (in pairs): 231, Positive cache size: 176, Positive conditional cache size: 0, Positive unconditional cache size: 176, Negative cache size: 55, Negative conditional cache size: 0, Negative unconditional cache size: 55, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 1241]: Data race detected Data race detected The following path leads to a data race: [L1223] 0 int *x; [L1224] 0 int *y; [L1225] 0 pthread_mutex_t m = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1234] 0 pthread_t id; [L1235] 0 x = malloc(sizeof(int)) [L1236] 0 y = malloc(sizeof(int)) [L1237] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [#in~arg={0:0}, id={5:0}, m={1:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1, x={-3:0}, y={-2:0}] [L1239] EXPR 0 *x [L1239] EXPR 0 \read(*x) VAL [#in~arg={0:0}, \read(*x)=28, id={5:0}, m={1:0}, x={-3:0}, y={-2:0}] [L1239] 0 printf("%d\n",*x) [L1241] EXPR 0 *y VAL [#in~arg={0:0}, id={5:0}, m={1:0}, x={-3:0}, y={-2:0}] [L1228] EXPR 1 *x [L1228] 1 *x = 3 VAL [#in~arg={0:0}, arg={0:0}, m={1:0}, x={-3:0}, y={-2:0}] [L1241] EXPR 0 *y [L1241] EXPR 0 \read(*y) VAL [#in~arg={0:0}, \read(*y)=26, arg={0:0}, id={5:0}, m={1:0}, x={-3:0}, y={-2:0}] [L1229] EXPR 1 *y [L1229] 1 *y = 8 VAL [#in~arg={0:0}, arg={0:0}, m={1:0}, x={-3:0}, y={-2:0}] [L1229] 1 *y = 8 VAL [#in~arg={0:0}, *y = 8=27, arg={0:0}, m={1:0}, x={-3:0}, y={-2:0}] [L1241] 0 printf("%d\n",*y) VAL [#in~arg={0:0}, *y = 8=27, \read(*y)=26, arg={0:0}, id={5:0}, m={1:0}, x={-3:0}, y={-2:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: y = malloc(sizeof(int)) [1236] * C: *x = 3 [1228] * C: *x = 3 [1228] * C: *y = 8 [1229] * C: *x = 3 [1228] * C: x = malloc(sizeof(int)) [1235] * C: *x = 3 [1228] and C: printf("%d\n",*y) [1241] - UnprovableResult [Line: 1235]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1236]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1239]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1239]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1241]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1237]: 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: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: 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, 137 locations, 15 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: 10.3s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 674 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 442 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 260 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1932 IncrementalHoareTripleChecker+Invalid, 2192 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 260 mSolverCounterUnsat, 1 mSDtfsCounter, 1932 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=883occurred in iteration=8, InterpolantAutomatonStates: 43, 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, 2.1s InterpolantComputationTime, 125 NumberOfCodeBlocks, 125 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 764 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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! [2022-11-23 03:18:08,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef69e02-bcc2-407f-8457-dbdd3f43a191/bin/uautomizer-QkZJyEgLgS/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