./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-time-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b9dc60-3597-4f19-9668-173ff4726758/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b9dc60-3597-4f19-9668-173ff4726758/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b9dc60-3597-4f19-9668-173ff4726758/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b9dc60-3597-4f19-9668-173ff4726758/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-time-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b9dc60-3597-4f19-9668-173ff4726758/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b9dc60-3597-4f19-9668-173ff4726758/bin/uautomizer-Dbtcem3rbc --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 72bbcf79bf9ab9dc66dc1f84247eb131a6de5c94da8e4a071481d48ca23ad8fa --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 21:11:16,131 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:11:16,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:11:16,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:11:16,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:11:16,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:11:16,200 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:11:16,203 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:11:16,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:11:16,209 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:11:16,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:11:16,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:11:16,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:11:16,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:11:16,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:11:16,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:11:16,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:11:16,236 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:11:16,238 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:11:16,240 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:11:16,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:11:16,250 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:11:16,251 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:11:16,252 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:11:16,256 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:11:16,257 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:11:16,257 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:11:16,258 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:11:16,259 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:11:16,260 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:11:16,260 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:11:16,261 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:11:16,262 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:11:16,263 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:11:16,264 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:11:16,264 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:11:16,268 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:11:16,268 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:11:16,269 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:11:16,270 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:11:16,271 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:11:16,272 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b9dc60-3597-4f19-9668-173ff4726758/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-02 21:11:16,323 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:11:16,323 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:11:16,324 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:11:16,324 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:11:16,325 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 21:11:16,326 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 21:11:16,327 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:11:16,327 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:11:16,327 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:11:16,327 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:11:16,328 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 21:11:16,329 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 21:11:16,329 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:11:16,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 21:11:16,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:11:16,330 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 21:11:16,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 21:11:16,330 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 21:11:16,330 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-02 21:11:16,330 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 21:11:16,331 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:11:16,331 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:11:16,331 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 21:11:16,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:11:16,332 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:11:16,332 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 21:11:16,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:11:16,334 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:11:16,334 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 21:11:16,334 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 21:11:16,335 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:11:16,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 21:11:16,336 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 21:11:16,337 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 21:11:16,337 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 21:11:16,337 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b9dc60-3597-4f19-9668-173ff4726758/bin/uautomizer-Dbtcem3rbc/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b9dc60-3597-4f19-9668-173ff4726758/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72bbcf79bf9ab9dc66dc1f84247eb131a6de5c94da8e4a071481d48ca23ad8fa [2022-11-02 21:11:16,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:11:16,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:11:16,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:11:16,767 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:11:16,768 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:11:16,769 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b9dc60-3597-4f19-9668-173ff4726758/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/weaver/chl-time-symm.wvr.c [2022-11-02 21:11:16,846 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b9dc60-3597-4f19-9668-173ff4726758/bin/uautomizer-Dbtcem3rbc/data/ed16e3b53/b5884dec36634524a3edea60a65dfdd8/FLAG2c159517e [2022-11-02 21:11:17,415 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:11:17,416 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b9dc60-3597-4f19-9668-173ff4726758/sv-benchmarks/c/weaver/chl-time-symm.wvr.c [2022-11-02 21:11:17,424 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b9dc60-3597-4f19-9668-173ff4726758/bin/uautomizer-Dbtcem3rbc/data/ed16e3b53/b5884dec36634524a3edea60a65dfdd8/FLAG2c159517e [2022-11-02 21:11:17,726 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b9dc60-3597-4f19-9668-173ff4726758/bin/uautomizer-Dbtcem3rbc/data/ed16e3b53/b5884dec36634524a3edea60a65dfdd8 [2022-11-02 21:11:17,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:11:17,734 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:11:17,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:11:17,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:11:17,742 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:11:17,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:11:17" (1/1) ... [2022-11-02 21:11:17,746 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18dc46ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:11:17, skipping insertion in model container [2022-11-02 21:11:17,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:11:17" (1/1) ... [2022-11-02 21:11:17,756 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:11:17,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:11:18,058 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b9dc60-3597-4f19-9668-173ff4726758/sv-benchmarks/c/weaver/chl-time-symm.wvr.c[2494,2507] [2022-11-02 21:11:18,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:11:18,087 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:11:18,145 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b9dc60-3597-4f19-9668-173ff4726758/sv-benchmarks/c/weaver/chl-time-symm.wvr.c[2494,2507] [2022-11-02 21:11:18,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:11:18,184 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:11:18,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:11:18 WrapperNode [2022-11-02 21:11:18,185 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:11:18,187 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:11:18,187 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:11:18,187 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:11:18,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:11:18" (1/1) ... [2022-11-02 21:11:18,224 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:11:18" (1/1) ... [2022-11-02 21:11:18,270 INFO L138 Inliner]: procedures = 22, calls = 29, calls flagged for inlining = 9, calls inlined = 15, statements flattened = 246 [2022-11-02 21:11:18,272 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:11:18,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:11:18,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:11:18,274 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:11:18,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:11:18" (1/1) ... [2022-11-02 21:11:18,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:11:18" (1/1) ... [2022-11-02 21:11:18,304 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:11:18" (1/1) ... [2022-11-02 21:11:18,309 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:11:18" (1/1) ... [2022-11-02 21:11:18,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:11:18" (1/1) ... [2022-11-02 21:11:18,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:11:18" (1/1) ... [2022-11-02 21:11:18,331 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:11:18" (1/1) ... [2022-11-02 21:11:18,340 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:11:18" (1/1) ... [2022-11-02 21:11:18,343 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:11:18,344 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:11:18,344 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:11:18,344 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:11:18,349 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:11:18" (1/1) ... [2022-11-02 21:11:18,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:11:18,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b9dc60-3597-4f19-9668-173ff4726758/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:18,389 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b9dc60-3597-4f19-9668-173ff4726758/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:18,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b9dc60-3597-4f19-9668-173ff4726758/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 21:11:18,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 21:11:18,454 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-02 21:11:18,454 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-02 21:11:18,454 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-02 21:11:18,455 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-02 21:11:18,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 21:11:18,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 21:11:18,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 21:11:18,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-02 21:11:18,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-02 21:11:18,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:11:18,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:11:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 21:11:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 21:11:18,462 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-02 21:11:18,657 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:11:18,660 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:11:19,315 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:11:19,622 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:11:19,622 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 21:11:19,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:11:19 BoogieIcfgContainer [2022-11-02 21:11:19,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:11:19,628 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 21:11:19,628 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 21:11:19,633 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 21:11:19,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:11:17" (1/3) ... [2022-11-02 21:11:19,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77905d38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:11:19, skipping insertion in model container [2022-11-02 21:11:19,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:11:18" (2/3) ... [2022-11-02 21:11:19,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77905d38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:11:19, skipping insertion in model container [2022-11-02 21:11:19,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:11:19" (3/3) ... [2022-11-02 21:11:19,636 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-time-symm.wvr.c [2022-11-02 21:11:19,647 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-02 21:11:19,657 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 21:11:19,657 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-11-02 21:11:19,657 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-02 21:11:19,730 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-02 21:11:19,777 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 173 places, 171 transitions, 358 flow [2022-11-02 21:11:19,856 INFO L130 PetriNetUnfolder]: 5/169 cut-off events. [2022-11-02 21:11:19,857 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-02 21:11:19,860 INFO L83 FinitePrefix]: Finished finitePrefix Result has 178 conditions, 169 events. 5/169 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 155 event pairs, 0 based on Foata normal form. 0/136 useless extension candidates. Maximal degree in co-relation 71. Up to 2 conditions per place. [2022-11-02 21:11:19,860 INFO L82 GeneralOperation]: Start removeDead. Operand has 173 places, 171 transitions, 358 flow [2022-11-02 21:11:19,866 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 145 places, 140 transitions, 292 flow [2022-11-02 21:11:19,878 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 21:11:19,886 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;@1e55e3a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 21:11:19,886 INFO L358 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2022-11-02 21:11:19,893 INFO L130 PetriNetUnfolder]: 0/24 cut-off events. [2022-11-02 21:11:19,894 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 21:11:19,894 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:11:19,895 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:11:19,895 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2022-11-02 21:11:19,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:19,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1855638365, now seen corresponding path program 1 times [2022-11-02 21:11:19,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:11:19,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860129139] [2022-11-02 21:11:19,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:19,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:11:20,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:20,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:11:20,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:11:20,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860129139] [2022-11-02 21:11:20,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860129139] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:11:20,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:11:20,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:11:20,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34729070] [2022-11-02 21:11:20,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:11:20,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:11:20,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:11:20,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:11:20,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:11:20,214 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 171 [2022-11-02 21:11:20,219 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 140 transitions, 292 flow. Second operand has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:20,220 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:11:20,220 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 171 [2022-11-02 21:11:20,221 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:11:20,329 INFO L130 PetriNetUnfolder]: 5/135 cut-off events. [2022-11-02 21:11:20,330 INFO L131 PetriNetUnfolder]: For 15/18 co-relation queries the response was YES. [2022-11-02 21:11:20,332 INFO L83 FinitePrefix]: Finished finitePrefix Result has 165 conditions, 135 events. 5/135 cut-off events. For 15/18 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 82 event pairs, 3 based on Foata normal form. 0/121 useless extension candidates. Maximal degree in co-relation 41. Up to 16 conditions per place. [2022-11-02 21:11:20,335 INFO L137 encePairwiseOnDemand]: 152/171 looper letters, 9 selfloop transitions, 2 changer transitions 0/123 dead transitions. [2022-11-02 21:11:20,335 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 123 transitions, 280 flow [2022-11-02 21:11:20,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:11:20,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:11:20,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 451 transitions. [2022-11-02 21:11:20,355 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8791423001949318 [2022-11-02 21:11:20,356 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 451 transitions. [2022-11-02 21:11:20,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 451 transitions. [2022-11-02 21:11:20,359 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:11:20,362 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 451 transitions. [2022-11-02 21:11:20,368 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 150.33333333333334) internal successors, (451), 3 states have internal predecessors, (451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:20,376 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:20,377 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:20,380 INFO L175 Difference]: Start difference. First operand has 145 places, 140 transitions, 292 flow. Second operand 3 states and 451 transitions. [2022-11-02 21:11:20,381 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 123 transitions, 280 flow [2022-11-02 21:11:20,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 123 transitions, 272 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-02 21:11:20,391 INFO L231 Difference]: Finished difference. Result has 126 places, 123 transitions, 254 flow [2022-11-02 21:11:20,394 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=250, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=254, PETRI_PLACES=126, PETRI_TRANSITIONS=123} [2022-11-02 21:11:20,398 INFO L287 CegarLoopForPetriNet]: 145 programPoint places, -19 predicate places. [2022-11-02 21:11:20,399 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 123 transitions, 254 flow [2022-11-02 21:11:20,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:20,400 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:11:20,400 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:11:20,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 21:11:20,401 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2022-11-02 21:11:20,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:20,403 INFO L85 PathProgramCache]: Analyzing trace with hash -2052343394, now seen corresponding path program 1 times [2022-11-02 21:11:20,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:11:20,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722515446] [2022-11-02 21:11:20,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:20,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:11:20,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:20,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:11:20,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:11:20,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722515446] [2022-11-02 21:11:20,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722515446] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:11:20,478 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:11:20,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:11:20,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732063493] [2022-11-02 21:11:20,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:11:20,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:11:20,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:11:20,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:11:20,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:11:20,484 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 171 [2022-11-02 21:11:20,485 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 123 transitions, 254 flow. Second operand has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:20,486 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:11:20,486 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 171 [2022-11-02 21:11:20,486 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:11:20,554 INFO L130 PetriNetUnfolder]: 5/134 cut-off events. [2022-11-02 21:11:20,554 INFO L131 PetriNetUnfolder]: For 3/6 co-relation queries the response was YES. [2022-11-02 21:11:20,555 INFO L83 FinitePrefix]: Finished finitePrefix Result has 159 conditions, 134 events. 5/134 cut-off events. For 3/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 84 event pairs, 3 based on Foata normal form. 0/121 useless extension candidates. Maximal degree in co-relation 126. Up to 16 conditions per place. [2022-11-02 21:11:20,556 INFO L137 encePairwiseOnDemand]: 168/171 looper letters, 9 selfloop transitions, 2 changer transitions 0/122 dead transitions. [2022-11-02 21:11:20,556 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 122 transitions, 274 flow [2022-11-02 21:11:20,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:11:20,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:11:20,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 435 transitions. [2022-11-02 21:11:20,560 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.847953216374269 [2022-11-02 21:11:20,560 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 435 transitions. [2022-11-02 21:11:20,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 435 transitions. [2022-11-02 21:11:20,561 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:11:20,562 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 435 transitions. [2022-11-02 21:11:20,564 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:20,566 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:20,566 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:20,567 INFO L175 Difference]: Start difference. First operand has 126 places, 123 transitions, 254 flow. Second operand 3 states and 435 transitions. [2022-11-02 21:11:20,567 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 122 transitions, 274 flow [2022-11-02 21:11:20,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 122 transitions, 270 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:11:20,572 INFO L231 Difference]: Finished difference. Result has 125 places, 122 transitions, 252 flow [2022-11-02 21:11:20,573 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=252, PETRI_PLACES=125, PETRI_TRANSITIONS=122} [2022-11-02 21:11:20,574 INFO L287 CegarLoopForPetriNet]: 145 programPoint places, -20 predicate places. [2022-11-02 21:11:20,574 INFO L495 AbstractCegarLoop]: Abstraction has has 125 places, 122 transitions, 252 flow [2022-11-02 21:11:20,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:20,575 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:11:20,575 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:11:20,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 21:11:20,576 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2022-11-02 21:11:20,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:20,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1443813871, now seen corresponding path program 1 times [2022-11-02 21:11:20,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:11:20,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858848217] [2022-11-02 21:11:20,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:20,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:11:20,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:20,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:11:20,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:11:20,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858848217] [2022-11-02 21:11:20,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858848217] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:11:20,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:11:20,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:11:20,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118287] [2022-11-02 21:11:20,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:11:20,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:11:20,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:11:20,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:11:20,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:11:20,679 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 171 [2022-11-02 21:11:20,681 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 122 transitions, 252 flow. Second operand has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:20,682 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:11:20,682 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 171 [2022-11-02 21:11:20,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:11:20,744 INFO L130 PetriNetUnfolder]: 5/133 cut-off events. [2022-11-02 21:11:20,745 INFO L131 PetriNetUnfolder]: For 3/6 co-relation queries the response was YES. [2022-11-02 21:11:20,745 INFO L83 FinitePrefix]: Finished finitePrefix Result has 158 conditions, 133 events. 5/133 cut-off events. For 3/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 83 event pairs, 3 based on Foata normal form. 0/121 useless extension candidates. Maximal degree in co-relation 118. Up to 16 conditions per place. [2022-11-02 21:11:20,746 INFO L137 encePairwiseOnDemand]: 168/171 looper letters, 9 selfloop transitions, 2 changer transitions 0/121 dead transitions. [2022-11-02 21:11:20,747 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 121 transitions, 272 flow [2022-11-02 21:11:20,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:11:20,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:11:20,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 435 transitions. [2022-11-02 21:11:20,749 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.847953216374269 [2022-11-02 21:11:20,750 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 435 transitions. [2022-11-02 21:11:20,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 435 transitions. [2022-11-02 21:11:20,751 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:11:20,751 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 435 transitions. [2022-11-02 21:11:20,753 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:20,755 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:20,756 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:20,756 INFO L175 Difference]: Start difference. First operand has 125 places, 122 transitions, 252 flow. Second operand 3 states and 435 transitions. [2022-11-02 21:11:20,756 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 121 transitions, 272 flow [2022-11-02 21:11:20,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 121 transitions, 268 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:11:20,760 INFO L231 Difference]: Finished difference. Result has 124 places, 121 transitions, 250 flow [2022-11-02 21:11:20,761 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=246, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=250, PETRI_PLACES=124, PETRI_TRANSITIONS=121} [2022-11-02 21:11:20,762 INFO L287 CegarLoopForPetriNet]: 145 programPoint places, -21 predicate places. [2022-11-02 21:11:20,762 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 121 transitions, 250 flow [2022-11-02 21:11:20,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:20,763 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:11:20,764 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:11:20,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 21:11:20,764 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2022-11-02 21:11:20,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:20,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1830019025, now seen corresponding path program 1 times [2022-11-02 21:11:20,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:11:20,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741910153] [2022-11-02 21:11:20,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:20,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:11:20,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:20,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:11:20,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:11:20,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741910153] [2022-11-02 21:11:20,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741910153] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:11:20,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:11:20,843 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:11:20,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865753641] [2022-11-02 21:11:20,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:11:20,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:11:20,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:11:20,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:11:20,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:11:20,851 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 171 [2022-11-02 21:11:20,852 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 121 transitions, 250 flow. Second operand has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:20,853 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:11:20,853 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 171 [2022-11-02 21:11:20,853 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:11:20,939 INFO L130 PetriNetUnfolder]: 5/132 cut-off events. [2022-11-02 21:11:20,939 INFO L131 PetriNetUnfolder]: For 3/6 co-relation queries the response was YES. [2022-11-02 21:11:20,940 INFO L83 FinitePrefix]: Finished finitePrefix Result has 157 conditions, 132 events. 5/132 cut-off events. For 3/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 81 event pairs, 3 based on Foata normal form. 0/121 useless extension candidates. Maximal degree in co-relation 110. Up to 16 conditions per place. [2022-11-02 21:11:20,941 INFO L137 encePairwiseOnDemand]: 168/171 looper letters, 9 selfloop transitions, 2 changer transitions 0/120 dead transitions. [2022-11-02 21:11:20,941 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 120 transitions, 270 flow [2022-11-02 21:11:20,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:11:20,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:11:20,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 435 transitions. [2022-11-02 21:11:20,944 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.847953216374269 [2022-11-02 21:11:20,944 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 435 transitions. [2022-11-02 21:11:20,944 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 435 transitions. [2022-11-02 21:11:20,945 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:11:20,945 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 435 transitions. [2022-11-02 21:11:20,946 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:20,948 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:20,949 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:20,949 INFO L175 Difference]: Start difference. First operand has 124 places, 121 transitions, 250 flow. Second operand 3 states and 435 transitions. [2022-11-02 21:11:20,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 120 transitions, 270 flow [2022-11-02 21:11:20,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 120 transitions, 266 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:11:20,953 INFO L231 Difference]: Finished difference. Result has 123 places, 120 transitions, 248 flow [2022-11-02 21:11:20,953 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=244, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=248, PETRI_PLACES=123, PETRI_TRANSITIONS=120} [2022-11-02 21:11:20,954 INFO L287 CegarLoopForPetriNet]: 145 programPoint places, -22 predicate places. [2022-11-02 21:11:20,955 INFO L495 AbstractCegarLoop]: Abstraction has has 123 places, 120 transitions, 248 flow [2022-11-02 21:11:20,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:20,955 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:11:20,956 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:11:20,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 21:11:20,956 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2022-11-02 21:11:20,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:20,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1966849974, now seen corresponding path program 1 times [2022-11-02 21:11:20,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:11:20,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372251370] [2022-11-02 21:11:20,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:20,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:11:20,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:21,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:11:21,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:11:21,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372251370] [2022-11-02 21:11:21,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372251370] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:11:21,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:11:21,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:11:21,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307745812] [2022-11-02 21:11:21,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:11:21,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:11:21,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:11:21,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:11:21,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:11:21,023 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 171 [2022-11-02 21:11:21,024 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 120 transitions, 248 flow. Second operand has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:21,024 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:11:21,024 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 171 [2022-11-02 21:11:21,024 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:11:21,114 INFO L130 PetriNetUnfolder]: 5/131 cut-off events. [2022-11-02 21:11:21,117 INFO L131 PetriNetUnfolder]: For 3/6 co-relation queries the response was YES. [2022-11-02 21:11:21,117 INFO L83 FinitePrefix]: Finished finitePrefix Result has 162 conditions, 131 events. 5/131 cut-off events. For 3/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 76 event pairs, 3 based on Foata normal form. 0/121 useless extension candidates. Maximal degree in co-relation 108. Up to 22 conditions per place. [2022-11-02 21:11:21,118 INFO L137 encePairwiseOnDemand]: 168/171 looper letters, 15 selfloop transitions, 2 changer transitions 0/119 dead transitions. [2022-11-02 21:11:21,118 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 119 transitions, 280 flow [2022-11-02 21:11:21,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:11:21,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:11:21,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 423 transitions. [2022-11-02 21:11:21,121 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8245614035087719 [2022-11-02 21:11:21,122 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 423 transitions. [2022-11-02 21:11:21,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 423 transitions. [2022-11-02 21:11:21,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:11:21,123 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 423 transitions. [2022-11-02 21:11:21,124 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:21,126 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:21,126 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:21,127 INFO L175 Difference]: Start difference. First operand has 123 places, 120 transitions, 248 flow. Second operand 3 states and 423 transitions. [2022-11-02 21:11:21,127 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 119 transitions, 280 flow [2022-11-02 21:11:21,128 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 119 transitions, 276 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:11:21,131 INFO L231 Difference]: Finished difference. Result has 122 places, 119 transitions, 246 flow [2022-11-02 21:11:21,131 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=246, PETRI_PLACES=122, PETRI_TRANSITIONS=119} [2022-11-02 21:11:21,135 INFO L287 CegarLoopForPetriNet]: 145 programPoint places, -23 predicate places. [2022-11-02 21:11:21,135 INFO L495 AbstractCegarLoop]: Abstraction has has 122 places, 119 transitions, 246 flow [2022-11-02 21:11:21,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:21,136 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:11:21,137 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:11:21,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 21:11:21,137 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2022-11-02 21:11:21,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:21,141 INFO L85 PathProgramCache]: Analyzing trace with hash -203900382, now seen corresponding path program 1 times [2022-11-02 21:11:21,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:11:21,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882414506] [2022-11-02 21:11:21,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:21,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:11:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:21,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:11:21,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:11:21,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882414506] [2022-11-02 21:11:21,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882414506] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:11:21,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:11:21,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:11:21,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499923610] [2022-11-02 21:11:21,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:11:21,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:11:21,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:11:21,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:11:21,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:11:21,282 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 171 [2022-11-02 21:11:21,283 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 119 transitions, 246 flow. Second operand has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:21,283 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:11:21,283 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 171 [2022-11-02 21:11:21,284 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:11:21,363 INFO L130 PetriNetUnfolder]: 5/130 cut-off events. [2022-11-02 21:11:21,363 INFO L131 PetriNetUnfolder]: For 3/6 co-relation queries the response was YES. [2022-11-02 21:11:21,364 INFO L83 FinitePrefix]: Finished finitePrefix Result has 160 conditions, 130 events. 5/130 cut-off events. For 3/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 79 event pairs, 3 based on Foata normal form. 0/121 useless extension candidates. Maximal degree in co-relation 99. Up to 21 conditions per place. [2022-11-02 21:11:21,366 INFO L137 encePairwiseOnDemand]: 168/171 looper letters, 14 selfloop transitions, 2 changer transitions 0/118 dead transitions. [2022-11-02 21:11:21,366 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 118 transitions, 276 flow [2022-11-02 21:11:21,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:11:21,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:11:21,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 422 transitions. [2022-11-02 21:11:21,369 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8226120857699805 [2022-11-02 21:11:21,369 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 422 transitions. [2022-11-02 21:11:21,369 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 422 transitions. [2022-11-02 21:11:21,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:11:21,370 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 422 transitions. [2022-11-02 21:11:21,372 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:21,373 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:21,374 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:21,374 INFO L175 Difference]: Start difference. First operand has 122 places, 119 transitions, 246 flow. Second operand 3 states and 422 transitions. [2022-11-02 21:11:21,375 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 118 transitions, 276 flow [2022-11-02 21:11:21,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 118 transitions, 272 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:11:21,379 INFO L231 Difference]: Finished difference. Result has 121 places, 118 transitions, 244 flow [2022-11-02 21:11:21,379 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=244, PETRI_PLACES=121, PETRI_TRANSITIONS=118} [2022-11-02 21:11:21,383 INFO L287 CegarLoopForPetriNet]: 145 programPoint places, -24 predicate places. [2022-11-02 21:11:21,383 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 118 transitions, 244 flow [2022-11-02 21:11:21,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:21,384 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:11:21,385 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:11:21,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 21:11:21,387 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2022-11-02 21:11:21,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:21,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1719504548, now seen corresponding path program 1 times [2022-11-02 21:11:21,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:11:21,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698610720] [2022-11-02 21:11:21,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:21,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:11:21,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:22,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:11:22,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:11:22,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698610720] [2022-11-02 21:11:22,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698610720] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:11:22,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:11:22,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:11:22,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721746315] [2022-11-02 21:11:22,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:11:22,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:11:22,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:11:22,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:11:22,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:11:22,223 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 171 [2022-11-02 21:11:22,226 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 118 transitions, 244 flow. Second operand has 6 states, 6 states have (on average 130.83333333333334) internal successors, (785), 6 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:22,227 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:11:22,227 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 171 [2022-11-02 21:11:22,228 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:11:22,424 INFO L130 PetriNetUnfolder]: 35/189 cut-off events. [2022-11-02 21:11:22,425 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 21:11:22,426 INFO L83 FinitePrefix]: Finished finitePrefix Result has 278 conditions, 189 events. 35/189 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 243 event pairs, 6 based on Foata normal form. 0/178 useless extension candidates. Maximal degree in co-relation 209. Up to 38 conditions per place. [2022-11-02 21:11:22,429 INFO L137 encePairwiseOnDemand]: 166/171 looper letters, 25 selfloop transitions, 4 changer transitions 0/125 dead transitions. [2022-11-02 21:11:22,430 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 125 transitions, 316 flow [2022-11-02 21:11:22,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:11:22,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 21:11:22,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 804 transitions. [2022-11-02 21:11:22,434 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.783625730994152 [2022-11-02 21:11:22,435 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 804 transitions. [2022-11-02 21:11:22,435 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 804 transitions. [2022-11-02 21:11:22,436 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:11:22,436 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 804 transitions. [2022-11-02 21:11:22,439 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 134.0) internal successors, (804), 6 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:22,441 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 171.0) internal successors, (1197), 7 states have internal predecessors, (1197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:22,442 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 171.0) internal successors, (1197), 7 states have internal predecessors, (1197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:22,442 INFO L175 Difference]: Start difference. First operand has 121 places, 118 transitions, 244 flow. Second operand 6 states and 804 transitions. [2022-11-02 21:11:22,442 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 125 transitions, 316 flow [2022-11-02 21:11:22,444 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 125 transitions, 312 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:11:22,446 INFO L231 Difference]: Finished difference. Result has 123 places, 117 transitions, 246 flow [2022-11-02 21:11:22,447 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=238, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=246, PETRI_PLACES=123, PETRI_TRANSITIONS=117} [2022-11-02 21:11:22,448 INFO L287 CegarLoopForPetriNet]: 145 programPoint places, -22 predicate places. [2022-11-02 21:11:22,449 INFO L495 AbstractCegarLoop]: Abstraction has has 123 places, 117 transitions, 246 flow [2022-11-02 21:11:22,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 130.83333333333334) internal successors, (785), 6 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:22,450 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:11:22,451 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:11:22,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 21:11:22,451 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2022-11-02 21:11:22,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:22,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1739926068, now seen corresponding path program 1 times [2022-11-02 21:11:22,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:11:22,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357621012] [2022-11-02 21:11:22,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:22,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:11:22,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:23,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:11:23,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:11:23,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357621012] [2022-11-02 21:11:23,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357621012] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:11:23,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:11:23,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:11:23,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808523662] [2022-11-02 21:11:23,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:11:23,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:11:23,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:11:23,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:11:23,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:11:23,213 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 171 [2022-11-02 21:11:23,215 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 117 transitions, 246 flow. Second operand has 6 states, 6 states have (on average 132.0) internal successors, (792), 6 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:23,215 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:11:23,215 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 171 [2022-11-02 21:11:23,215 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:11:23,360 INFO L130 PetriNetUnfolder]: 32/183 cut-off events. [2022-11-02 21:11:23,360 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-11-02 21:11:23,361 INFO L83 FinitePrefix]: Finished finitePrefix Result has 280 conditions, 183 events. 32/183 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 217 event pairs, 25 based on Foata normal form. 0/175 useless extension candidates. Maximal degree in co-relation 110. Up to 60 conditions per place. [2022-11-02 21:11:23,362 INFO L137 encePairwiseOnDemand]: 166/171 looper letters, 20 selfloop transitions, 4 changer transitions 0/120 dead transitions. [2022-11-02 21:11:23,362 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 120 transitions, 300 flow [2022-11-02 21:11:23,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:11:23,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 21:11:23,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 799 transitions. [2022-11-02 21:11:23,366 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7787524366471735 [2022-11-02 21:11:23,366 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 799 transitions. [2022-11-02 21:11:23,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 799 transitions. [2022-11-02 21:11:23,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:11:23,367 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 799 transitions. [2022-11-02 21:11:23,369 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 133.16666666666666) internal successors, (799), 6 states have internal predecessors, (799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:23,372 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 171.0) internal successors, (1197), 7 states have internal predecessors, (1197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:23,372 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 171.0) internal successors, (1197), 7 states have internal predecessors, (1197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:23,373 INFO L175 Difference]: Start difference. First operand has 123 places, 117 transitions, 246 flow. Second operand 6 states and 799 transitions. [2022-11-02 21:11:23,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 120 transitions, 300 flow [2022-11-02 21:11:23,375 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 120 transitions, 293 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-02 21:11:23,377 INFO L231 Difference]: Finished difference. Result has 123 places, 116 transitions, 245 flow [2022-11-02 21:11:23,378 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=237, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=245, PETRI_PLACES=123, PETRI_TRANSITIONS=116} [2022-11-02 21:11:23,381 INFO L287 CegarLoopForPetriNet]: 145 programPoint places, -22 predicate places. [2022-11-02 21:11:23,381 INFO L495 AbstractCegarLoop]: Abstraction has has 123 places, 116 transitions, 245 flow [2022-11-02 21:11:23,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 132.0) internal successors, (792), 6 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:23,382 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:11:23,382 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:11:23,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 21:11:23,383 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2022-11-02 21:11:23,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:23,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1622956341, now seen corresponding path program 1 times [2022-11-02 21:11:23,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:11:23,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332054830] [2022-11-02 21:11:23,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:23,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:11:23,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:23,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:11:23,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:11:23,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332054830] [2022-11-02 21:11:23,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332054830] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:11:23,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:11:23,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:11:23,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110530535] [2022-11-02 21:11:23,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:11:23,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:11:23,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:11:23,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:11:23,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:11:23,493 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 171 [2022-11-02 21:11:23,494 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 116 transitions, 245 flow. Second operand has 3 states, 3 states have (on average 141.33333333333334) internal successors, (424), 3 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:23,494 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:11:23,494 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 171 [2022-11-02 21:11:23,494 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:11:23,564 INFO L130 PetriNetUnfolder]: 5/126 cut-off events. [2022-11-02 21:11:23,564 INFO L131 PetriNetUnfolder]: For 3/6 co-relation queries the response was YES. [2022-11-02 21:11:23,567 INFO L83 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 126 events. 5/126 cut-off events. For 3/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 69 event pairs, 3 based on Foata normal form. 0/121 useless extension candidates. Maximal degree in co-relation 118. Up to 15 conditions per place. [2022-11-02 21:11:23,568 INFO L137 encePairwiseOnDemand]: 168/171 looper letters, 11 selfloop transitions, 1 changer transitions 0/114 dead transitions. [2022-11-02 21:11:23,568 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 114 transitions, 265 flow [2022-11-02 21:11:23,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:11:23,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:11:23,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 428 transitions. [2022-11-02 21:11:23,573 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.834307992202729 [2022-11-02 21:11:23,574 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 428 transitions. [2022-11-02 21:11:23,574 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 428 transitions. [2022-11-02 21:11:23,574 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:11:23,575 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 428 transitions. [2022-11-02 21:11:23,576 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:23,578 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:23,578 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:23,579 INFO L175 Difference]: Start difference. First operand has 123 places, 116 transitions, 245 flow. Second operand 3 states and 428 transitions. [2022-11-02 21:11:23,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 114 transitions, 265 flow [2022-11-02 21:11:23,580 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 114 transitions, 258 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-02 21:11:23,583 INFO L231 Difference]: Finished difference. Result has 119 places, 114 transitions, 236 flow [2022-11-02 21:11:23,583 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=236, PETRI_PLACES=119, PETRI_TRANSITIONS=114} [2022-11-02 21:11:23,584 INFO L287 CegarLoopForPetriNet]: 145 programPoint places, -26 predicate places. [2022-11-02 21:11:23,584 INFO L495 AbstractCegarLoop]: Abstraction has has 119 places, 114 transitions, 236 flow [2022-11-02 21:11:23,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 141.33333333333334) internal successors, (424), 3 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:23,585 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:11:23,585 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:11:23,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-02 21:11:23,586 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2022-11-02 21:11:23,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:23,587 INFO L85 PathProgramCache]: Analyzing trace with hash -498849890, now seen corresponding path program 1 times [2022-11-02 21:11:23,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:11:23,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839551669] [2022-11-02 21:11:23,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:23,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:11:23,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:23,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:11:23,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:11:23,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839551669] [2022-11-02 21:11:23,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839551669] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:11:23,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:11:23,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:11:23,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446714676] [2022-11-02 21:11:23,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:11:23,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:11:23,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:11:23,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:11:23,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:11:23,714 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 171 [2022-11-02 21:11:23,715 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 114 transitions, 236 flow. Second operand has 3 states, 3 states have (on average 141.33333333333334) internal successors, (424), 3 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:23,715 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:11:23,716 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 171 [2022-11-02 21:11:23,716 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:11:23,764 INFO L130 PetriNetUnfolder]: 5/124 cut-off events. [2022-11-02 21:11:23,764 INFO L131 PetriNetUnfolder]: For 3/6 co-relation queries the response was YES. [2022-11-02 21:11:23,765 INFO L83 FinitePrefix]: Finished finitePrefix Result has 150 conditions, 124 events. 5/124 cut-off events. For 3/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 63 event pairs, 3 based on Foata normal form. 1/121 useless extension candidates. Maximal degree in co-relation 127. Up to 15 conditions per place. [2022-11-02 21:11:23,765 INFO L137 encePairwiseOnDemand]: 168/171 looper letters, 0 selfloop transitions, 0 changer transitions 112/112 dead transitions. [2022-11-02 21:11:23,766 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 112 transitions, 254 flow [2022-11-02 21:11:23,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:11:23,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:11:23,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 427 transitions. [2022-11-02 21:11:23,768 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8323586744639376 [2022-11-02 21:11:23,768 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 427 transitions. [2022-11-02 21:11:23,769 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 427 transitions. [2022-11-02 21:11:23,769 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:11:23,769 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 427 transitions. [2022-11-02 21:11:23,771 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:23,772 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:23,772 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:23,773 INFO L175 Difference]: Start difference. First operand has 119 places, 114 transitions, 236 flow. Second operand 3 states and 427 transitions. [2022-11-02 21:11:23,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 112 transitions, 254 flow [2022-11-02 21:11:23,774 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 112 transitions, 253 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 21:11:23,775 INFO L231 Difference]: Finished difference. Result has 118 places, 0 transitions, 0 flow [2022-11-02 21:11:23,776 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=231, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=118, PETRI_TRANSITIONS=0} [2022-11-02 21:11:23,776 INFO L287 CegarLoopForPetriNet]: 145 programPoint places, -27 predicate places. [2022-11-02 21:11:23,777 INFO L495 AbstractCegarLoop]: Abstraction has has 118 places, 0 transitions, 0 flow [2022-11-02 21:11:23,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 141.33333333333334) internal successors, (424), 3 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:23,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (45 of 46 remaining) [2022-11-02 21:11:23,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (44 of 46 remaining) [2022-11-02 21:11:23,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (43 of 46 remaining) [2022-11-02 21:11:23,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (42 of 46 remaining) [2022-11-02 21:11:23,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (41 of 46 remaining) [2022-11-02 21:11:23,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (40 of 46 remaining) [2022-11-02 21:11:23,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (39 of 46 remaining) [2022-11-02 21:11:23,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (38 of 46 remaining) [2022-11-02 21:11:23,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (37 of 46 remaining) [2022-11-02 21:11:23,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (36 of 46 remaining) [2022-11-02 21:11:23,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (35 of 46 remaining) [2022-11-02 21:11:23,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (34 of 46 remaining) [2022-11-02 21:11:23,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (33 of 46 remaining) [2022-11-02 21:11:23,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (32 of 46 remaining) [2022-11-02 21:11:23,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (31 of 46 remaining) [2022-11-02 21:11:23,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (30 of 46 remaining) [2022-11-02 21:11:23,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (29 of 46 remaining) [2022-11-02 21:11:23,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (28 of 46 remaining) [2022-11-02 21:11:23,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (27 of 46 remaining) [2022-11-02 21:11:23,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (26 of 46 remaining) [2022-11-02 21:11:23,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (25 of 46 remaining) [2022-11-02 21:11:23,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (24 of 46 remaining) [2022-11-02 21:11:23,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (23 of 46 remaining) [2022-11-02 21:11:23,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (22 of 46 remaining) [2022-11-02 21:11:23,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (21 of 46 remaining) [2022-11-02 21:11:23,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (20 of 46 remaining) [2022-11-02 21:11:23,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (19 of 46 remaining) [2022-11-02 21:11:23,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (18 of 46 remaining) [2022-11-02 21:11:23,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 46 remaining) [2022-11-02 21:11:23,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 46 remaining) [2022-11-02 21:11:23,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (15 of 46 remaining) [2022-11-02 21:11:23,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (14 of 46 remaining) [2022-11-02 21:11:23,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (13 of 46 remaining) [2022-11-02 21:11:23,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (12 of 46 remaining) [2022-11-02 21:11:23,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (11 of 46 remaining) [2022-11-02 21:11:23,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (10 of 46 remaining) [2022-11-02 21:11:23,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (9 of 46 remaining) [2022-11-02 21:11:23,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (8 of 46 remaining) [2022-11-02 21:11:23,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (7 of 46 remaining) [2022-11-02 21:11:23,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (6 of 46 remaining) [2022-11-02 21:11:23,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (5 of 46 remaining) [2022-11-02 21:11:23,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (4 of 46 remaining) [2022-11-02 21:11:23,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (3 of 46 remaining) [2022-11-02 21:11:23,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (2 of 46 remaining) [2022-11-02 21:11:23,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (1 of 46 remaining) [2022-11-02 21:11:23,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (0 of 46 remaining) [2022-11-02 21:11:23,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-02 21:11:23,793 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:11:23,800 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-02 21:11:23,800 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 21:11:23,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 09:11:23 BasicIcfg [2022-11-02 21:11:23,806 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 21:11:23,807 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 21:11:23,807 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 21:11:23,808 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 21:11:23,808 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:11:19" (3/4) ... [2022-11-02 21:11:23,812 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 21:11:23,818 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-02 21:11:23,819 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-02 21:11:23,825 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-11-02 21:11:23,825 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-02 21:11:23,826 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 21:11:23,826 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 21:11:23,872 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b9dc60-3597-4f19-9668-173ff4726758/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 21:11:23,872 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 21:11:23,873 INFO L158 Benchmark]: Toolchain (without parser) took 6139.79ms. Allocated memory was 117.4MB in the beginning and 182.5MB in the end (delta: 65.0MB). Free memory was 78.2MB in the beginning and 107.4MB in the end (delta: -29.1MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2022-11-02 21:11:23,874 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory was 94.9MB in the beginning and 94.9MB in the end (delta: 73.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:11:23,874 INFO L158 Benchmark]: CACSL2BoogieTranslator took 448.77ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 90.2MB in the end (delta: -12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 21:11:23,875 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.83ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 87.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 21:11:23,875 INFO L158 Benchmark]: Boogie Preprocessor took 69.51ms. Allocated memory is still 117.4MB. Free memory was 87.8MB in the beginning and 86.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 21:11:23,875 INFO L158 Benchmark]: RCFGBuilder took 1281.64ms. Allocated memory is still 117.4MB. Free memory was 86.0MB in the beginning and 71.7MB in the end (delta: 14.3MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. [2022-11-02 21:11:23,876 INFO L158 Benchmark]: TraceAbstraction took 4178.73ms. Allocated memory was 117.4MB in the beginning and 182.5MB in the end (delta: 65.0MB). Free memory was 71.3MB in the beginning and 111.5MB in the end (delta: -40.2MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2022-11-02 21:11:23,876 INFO L158 Benchmark]: Witness Printer took 65.45ms. Allocated memory is still 182.5MB. Free memory was 111.5MB in the beginning and 107.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 21:11:23,878 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory was 94.9MB in the beginning and 94.9MB in the end (delta: 73.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 448.77ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 90.2MB in the end (delta: -12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.83ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 87.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.51ms. Allocated memory is still 117.4MB. Free memory was 87.8MB in the beginning and 86.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1281.64ms. Allocated memory is still 117.4MB. Free memory was 86.0MB in the beginning and 71.7MB in the end (delta: 14.3MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. * TraceAbstraction took 4178.73ms. Allocated memory was 117.4MB in the beginning and 182.5MB in the end (delta: 65.0MB). Free memory was 71.3MB in the beginning and 111.5MB in the end (delta: -40.2MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. * Witness Printer took 65.45ms. Allocated memory is still 182.5MB. Free memory was 111.5MB in the beginning and 107.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 193 locations, 46 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.0s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 58 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 73 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 257 IncrementalHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 58 mSDtfsCounter, 257 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=292occurred in iteration=0, InterpolantAutomatonStates: 36, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 626 NumberOfCodeBlocks, 626 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 616 ConstructedInterpolants, 0 QuantifiedInterpolants, 794 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 - AllSpecificationsHoldResult: All specifications hold 28 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-02 21:11:23,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b9dc60-3597-4f19-9668-173ff4726758/bin/uautomizer-Dbtcem3rbc/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 Result: TRUE