./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f1d916-30f1-4e71-81d2-1646d5cbcd2a/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f1d916-30f1-4e71-81d2-1646d5cbcd2a/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f1d916-30f1-4e71-81d2-1646d5cbcd2a/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f1d916-30f1-4e71-81d2-1646d5cbcd2a/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f1d916-30f1-4e71-81d2-1646d5cbcd2a/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f1d916-30f1-4e71-81d2-1646d5cbcd2a/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c328ca6a6071aea6db12d1e311bd2e5e22fce6c700c884e61df52925e139f834 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:33:05,357 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:33:05,358 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:33:05,379 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:33:05,379 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:33:05,380 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:33:05,382 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:33:05,384 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:33:05,386 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:33:05,387 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:33:05,388 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:33:05,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:33:05,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:33:05,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:33:05,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:33:05,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:33:05,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:33:05,395 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:33:05,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:33:05,399 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:33:05,401 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:33:05,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:33:05,404 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:33:05,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:33:05,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:33:05,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:33:05,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:33:05,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:33:05,411 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:33:05,412 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:33:05,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:33:05,413 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:33:05,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:33:05,415 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:33:05,417 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:33:05,417 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:33:05,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:33:05,418 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:33:05,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:33:05,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:33:05,421 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:33:05,422 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f1d916-30f1-4e71-81d2-1646d5cbcd2a/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-16 12:33:05,448 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:33:05,449 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:33:05,449 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:33:05,449 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:33:05,450 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:33:05,450 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:33:05,451 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:33:05,451 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:33:05,451 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:33:05,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:33:05,456 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:33:05,456 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:33:05,456 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:33:05,456 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:33:05,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:33:05,457 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:33:05,457 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:33:05,457 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:33:05,458 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 12:33:05,458 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:33:05,458 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:33:05,458 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:33:05,458 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:33:05,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:33:05,459 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:33:05,459 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:33:05,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:33:05,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:33:05,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:33:05,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:33:05,461 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:33:05,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:33:05,462 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:33:05,462 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:33:05,462 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:33:05,462 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_44f1d916-30f1-4e71-81d2-1646d5cbcd2a/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f1d916-30f1-4e71-81d2-1646d5cbcd2a/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c328ca6a6071aea6db12d1e311bd2e5e22fce6c700c884e61df52925e139f834 [2022-11-16 12:33:05,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:33:05,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:33:05,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:33:05,780 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:33:05,786 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:33:05,788 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f1d916-30f1-4e71-81d2-1646d5cbcd2a/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c [2022-11-16 12:33:05,858 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f1d916-30f1-4e71-81d2-1646d5cbcd2a/bin/uautomizer-tPACEb0tL8/data/8fb2446b7/4990f853217a479c946c1df06aecbc14/FLAG0426df90a [2022-11-16 12:33:06,368 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:33:06,369 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f1d916-30f1-4e71-81d2-1646d5cbcd2a/sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c [2022-11-16 12:33:06,376 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f1d916-30f1-4e71-81d2-1646d5cbcd2a/bin/uautomizer-tPACEb0tL8/data/8fb2446b7/4990f853217a479c946c1df06aecbc14/FLAG0426df90a [2022-11-16 12:33:06,716 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f1d916-30f1-4e71-81d2-1646d5cbcd2a/bin/uautomizer-tPACEb0tL8/data/8fb2446b7/4990f853217a479c946c1df06aecbc14 [2022-11-16 12:33:06,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:33:06,720 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:33:06,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:33:06,728 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:33:06,732 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:33:06,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:33:06" (1/1) ... [2022-11-16 12:33:06,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71cbeaff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:06, skipping insertion in model container [2022-11-16 12:33:06,734 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:33:06" (1/1) ... [2022-11-16 12:33:06,742 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:33:06,771 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:33:07,015 WARN L229 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_44f1d916-30f1-4e71-81d2-1646d5cbcd2a/sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c[2835,2848] [2022-11-16 12:33:07,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:33:07,049 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:33:07,088 WARN L229 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_44f1d916-30f1-4e71-81d2-1646d5cbcd2a/sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c[2835,2848] [2022-11-16 12:33:07,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:33:07,106 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:33:07,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:07 WrapperNode [2022-11-16 12:33:07,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:33:07,108 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:33:07,108 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:33:07,108 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:33:07,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:07" (1/1) ... [2022-11-16 12:33:07,127 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:07" (1/1) ... [2022-11-16 12:33:07,166 INFO L138 Inliner]: procedures = 25, calls = 58, calls flagged for inlining = 16, calls inlined = 28, statements flattened = 411 [2022-11-16 12:33:07,167 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:33:07,167 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:33:07,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:33:07,168 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:33:07,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:07" (1/1) ... [2022-11-16 12:33:07,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:07" (1/1) ... [2022-11-16 12:33:07,184 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:07" (1/1) ... [2022-11-16 12:33:07,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:07" (1/1) ... [2022-11-16 12:33:07,202 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:07" (1/1) ... [2022-11-16 12:33:07,207 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:07" (1/1) ... [2022-11-16 12:33:07,209 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:07" (1/1) ... [2022-11-16 12:33:07,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:07" (1/1) ... [2022-11-16 12:33:07,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:33:07,217 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:33:07,217 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:33:07,217 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:33:07,218 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:07" (1/1) ... [2022-11-16 12:33:07,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:33:07,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f1d916-30f1-4e71-81d2-1646d5cbcd2a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:33:07,250 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f1d916-30f1-4e71-81d2-1646d5cbcd2a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:33:07,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f1d916-30f1-4e71-81d2-1646d5cbcd2a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:33:07,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:33:07,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:33:07,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:33:07,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:33:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 12:33:07,298 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 12:33:07,298 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 12:33:07,299 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 12:33:07,299 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-16 12:33:07,299 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-16 12:33:07,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:33:07,300 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 12:33:07,300 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 12:33:07,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 12:33:07,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:33:07,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:33:07,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:33:07,303 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 12:33:07,498 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:33:07,500 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:33:08,390 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:33:08,757 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:33:08,757 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-16 12:33:08,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:33:08 BoogieIcfgContainer [2022-11-16 12:33:08,762 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:33:08,766 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:33:08,767 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:33:08,770 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:33:08,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:33:06" (1/3) ... [2022-11-16 12:33:08,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fbedb8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:33:08, skipping insertion in model container [2022-11-16 12:33:08,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:07" (2/3) ... [2022-11-16 12:33:08,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fbedb8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:33:08, skipping insertion in model container [2022-11-16 12:33:08,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:33:08" (3/3) ... [2022-11-16 12:33:08,773 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum.wvr.c [2022-11-16 12:33:08,782 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 12:33:08,792 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:33:08,793 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2022-11-16 12:33:08,793 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 12:33:08,903 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-16 12:33:08,954 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 298 places, 305 transitions, 634 flow [2022-11-16 12:33:09,098 INFO L130 PetriNetUnfolder]: 17/302 cut-off events. [2022-11-16 12:33:09,098 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-16 12:33:09,103 INFO L83 FinitePrefix]: Finished finitePrefix Result has 315 conditions, 302 events. 17/302 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 306 event pairs, 0 based on Foata normal form. 0/247 useless extension candidates. Maximal degree in co-relation 228. Up to 2 conditions per place. [2022-11-16 12:33:09,103 INFO L82 GeneralOperation]: Start removeDead. Operand has 298 places, 305 transitions, 634 flow [2022-11-16 12:33:09,110 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 276 places, 282 transitions, 582 flow [2022-11-16 12:33:09,119 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:33:09,125 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;@5fb950ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:33:09,126 INFO L358 AbstractCegarLoop]: Starting to check reachability of 63 error locations. [2022-11-16 12:33:09,130 INFO L130 PetriNetUnfolder]: 0/25 cut-off events. [2022-11-16 12:33:09,130 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 12:33:09,131 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:33:09,131 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:33:09,133 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-16 12:33:09,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:33:09,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1324450215, now seen corresponding path program 1 times [2022-11-16 12:33:09,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:33:09,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516940891] [2022-11-16 12:33:09,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:33:09,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:33:09,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:09,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:33:09,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:33:09,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516940891] [2022-11-16 12:33:09,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516940891] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:33:09,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:33:09,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:33:09,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085642172] [2022-11-16 12:33:09,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:33:09,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:33:09,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:33:09,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:33:09,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:33:09,431 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 305 [2022-11-16 12:33:09,440 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 282 transitions, 582 flow. Second operand has 3 states, 3 states have (on average 246.33333333333334) internal successors, (739), 3 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:09,440 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:33:09,440 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 305 [2022-11-16 12:33:09,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:33:09,933 INFO L130 PetriNetUnfolder]: 373/1086 cut-off events. [2022-11-16 12:33:09,934 INFO L131 PetriNetUnfolder]: For 291/323 co-relation queries the response was YES. [2022-11-16 12:33:09,942 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1740 conditions, 1086 events. 373/1086 cut-off events. For 291/323 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 5898 event pairs, 239 based on Foata normal form. 108/970 useless extension candidates. Maximal degree in co-relation 1476. Up to 525 conditions per place. [2022-11-16 12:33:09,995 INFO L137 encePairwiseOnDemand]: 274/305 looper letters, 27 selfloop transitions, 2 changer transitions 5/253 dead transitions. [2022-11-16 12:33:09,995 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 253 transitions, 582 flow [2022-11-16 12:33:09,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:33:10,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:33:10,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 793 transitions. [2022-11-16 12:33:10,017 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8666666666666667 [2022-11-16 12:33:10,018 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 793 transitions. [2022-11-16 12:33:10,019 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 793 transitions. [2022-11-16 12:33:10,023 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:33:10,025 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 793 transitions. [2022-11-16 12:33:10,031 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 264.3333333333333) internal successors, (793), 3 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:10,039 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:10,040 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:10,042 INFO L175 Difference]: Start difference. First operand has 276 places, 282 transitions, 582 flow. Second operand 3 states and 793 transitions. [2022-11-16 12:33:10,043 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 253 transitions, 582 flow [2022-11-16 12:33:10,050 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 253 transitions, 570 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-11-16 12:33:10,055 INFO L231 Difference]: Finished difference. Result has 253 places, 248 transitions, 506 flow [2022-11-16 12:33:10,058 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=512, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=251, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=506, PETRI_PLACES=253, PETRI_TRANSITIONS=248} [2022-11-16 12:33:10,066 INFO L288 CegarLoopForPetriNet]: 276 programPoint places, -23 predicate places. [2022-11-16 12:33:10,067 INFO L495 AbstractCegarLoop]: Abstraction has has 253 places, 248 transitions, 506 flow [2022-11-16 12:33:10,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 246.33333333333334) internal successors, (739), 3 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:10,068 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:33:10,068 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:33:10,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:33:10,069 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-16 12:33:10,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:33:10,070 INFO L85 PathProgramCache]: Analyzing trace with hash 600152106, now seen corresponding path program 1 times [2022-11-16 12:33:10,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:33:10,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210250370] [2022-11-16 12:33:10,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:33:10,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:33:10,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:10,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:33:10,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:33:10,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210250370] [2022-11-16 12:33:10,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210250370] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:33:10,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:33:10,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:33:10,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830979244] [2022-11-16 12:33:10,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:33:10,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:33:10,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:33:10,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:33:10,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:33:10,190 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 242 out of 305 [2022-11-16 12:33:10,191 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 248 transitions, 506 flow. Second operand has 3 states, 3 states have (on average 243.33333333333334) internal successors, (730), 3 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:10,192 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:33:10,192 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 242 of 305 [2022-11-16 12:33:10,192 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:33:10,585 INFO L130 PetriNetUnfolder]: 310/1071 cut-off events. [2022-11-16 12:33:10,585 INFO L131 PetriNetUnfolder]: For 31/66 co-relation queries the response was YES. [2022-11-16 12:33:10,589 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1576 conditions, 1071 events. 310/1071 cut-off events. For 31/66 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 6059 event pairs, 209 based on Foata normal form. 0/886 useless extension candidates. Maximal degree in co-relation 1542. Up to 474 conditions per place. [2022-11-16 12:33:10,595 INFO L137 encePairwiseOnDemand]: 302/305 looper letters, 30 selfloop transitions, 2 changer transitions 0/247 dead transitions. [2022-11-16 12:33:10,596 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 247 transitions, 568 flow [2022-11-16 12:33:10,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:33:10,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:33:10,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 759 transitions. [2022-11-16 12:33:10,599 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8295081967213115 [2022-11-16 12:33:10,599 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 759 transitions. [2022-11-16 12:33:10,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 759 transitions. [2022-11-16 12:33:10,600 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:33:10,600 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 759 transitions. [2022-11-16 12:33:10,602 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 253.0) internal successors, (759), 3 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:10,604 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:10,605 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:10,606 INFO L175 Difference]: Start difference. First operand has 253 places, 248 transitions, 506 flow. Second operand 3 states and 759 transitions. [2022-11-16 12:33:10,606 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 247 transitions, 568 flow [2022-11-16 12:33:10,608 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 247 transitions, 564 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:33:10,612 INFO L231 Difference]: Finished difference. Result has 247 places, 247 transitions, 504 flow [2022-11-16 12:33:10,613 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=500, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=245, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=504, PETRI_PLACES=247, PETRI_TRANSITIONS=247} [2022-11-16 12:33:10,614 INFO L288 CegarLoopForPetriNet]: 276 programPoint places, -29 predicate places. [2022-11-16 12:33:10,614 INFO L495 AbstractCegarLoop]: Abstraction has has 247 places, 247 transitions, 504 flow [2022-11-16 12:33:10,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 243.33333333333334) internal successors, (730), 3 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:10,615 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:33:10,615 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:33:10,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:33:10,616 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-16 12:33:10,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:33:10,617 INFO L85 PathProgramCache]: Analyzing trace with hash 458307240, now seen corresponding path program 1 times [2022-11-16 12:33:10,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:33:10,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399412636] [2022-11-16 12:33:10,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:33:10,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:33:10,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:10,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:33:10,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:33:10,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399412636] [2022-11-16 12:33:10,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399412636] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:33:10,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:33:10,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:33:10,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044182945] [2022-11-16 12:33:10,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:33:10,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:33:10,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:33:10,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:33:10,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:33:10,672 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 305 [2022-11-16 12:33:10,673 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 247 transitions, 504 flow. Second operand has 3 states, 3 states have (on average 246.33333333333334) internal successors, (739), 3 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:10,674 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:33:10,674 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 305 [2022-11-16 12:33:10,674 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:33:10,948 INFO L130 PetriNetUnfolder]: 229/895 cut-off events. [2022-11-16 12:33:10,948 INFO L131 PetriNetUnfolder]: For 27/51 co-relation queries the response was YES. [2022-11-16 12:33:10,951 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1268 conditions, 895 events. 229/895 cut-off events. For 27/51 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 4743 event pairs, 148 based on Foata normal form. 0/784 useless extension candidates. Maximal degree in co-relation 1226. Up to 345 conditions per place. [2022-11-16 12:33:10,955 INFO L137 encePairwiseOnDemand]: 299/305 looper letters, 23 selfloop transitions, 1 changer transitions 0/242 dead transitions. [2022-11-16 12:33:10,956 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 242 transitions, 542 flow [2022-11-16 12:33:10,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:33:10,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:33:10,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 764 transitions. [2022-11-16 12:33:10,958 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8349726775956284 [2022-11-16 12:33:10,959 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 764 transitions. [2022-11-16 12:33:10,959 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 764 transitions. [2022-11-16 12:33:10,959 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:33:10,960 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 764 transitions. [2022-11-16 12:33:10,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 254.66666666666666) internal successors, (764), 3 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:10,964 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:10,965 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:10,965 INFO L175 Difference]: Start difference. First operand has 247 places, 247 transitions, 504 flow. Second operand 3 states and 764 transitions. [2022-11-16 12:33:10,965 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 242 transitions, 542 flow [2022-11-16 12:33:10,967 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 242 transitions, 538 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:33:10,970 INFO L231 Difference]: Finished difference. Result has 242 places, 242 transitions, 492 flow [2022-11-16 12:33:10,970 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=490, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=492, PETRI_PLACES=242, PETRI_TRANSITIONS=242} [2022-11-16 12:33:10,971 INFO L288 CegarLoopForPetriNet]: 276 programPoint places, -34 predicate places. [2022-11-16 12:33:10,971 INFO L495 AbstractCegarLoop]: Abstraction has has 242 places, 242 transitions, 492 flow [2022-11-16 12:33:10,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 246.33333333333334) internal successors, (739), 3 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:10,972 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:33:10,972 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:33:10,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:33:10,973 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-16 12:33:10,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:33:10,973 INFO L85 PathProgramCache]: Analyzing trace with hash 300362526, now seen corresponding path program 1 times [2022-11-16 12:33:10,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:33:10,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439415771] [2022-11-16 12:33:10,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:33:10,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:33:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:11,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:33:11,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:33:11,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439415771] [2022-11-16 12:33:11,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439415771] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:33:11,038 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:33:11,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:33:11,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288353374] [2022-11-16 12:33:11,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:33:11,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:33:11,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:33:11,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:33:11,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:33:11,042 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 257 out of 305 [2022-11-16 12:33:11,043 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 242 transitions, 492 flow. Second operand has 3 states, 3 states have (on average 258.3333333333333) internal successors, (775), 3 states have internal predecessors, (775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:11,043 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:33:11,043 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 257 of 305 [2022-11-16 12:33:11,043 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:33:11,237 INFO L130 PetriNetUnfolder]: 113/622 cut-off events. [2022-11-16 12:33:11,237 INFO L131 PetriNetUnfolder]: For 26/31 co-relation queries the response was YES. [2022-11-16 12:33:11,239 INFO L83 FinitePrefix]: Finished finitePrefix Result has 803 conditions, 622 events. 113/622 cut-off events. For 26/31 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2617 event pairs, 56 based on Foata normal form. 0/547 useless extension candidates. Maximal degree in co-relation 762. Up to 163 conditions per place. [2022-11-16 12:33:11,242 INFO L137 encePairwiseOnDemand]: 302/305 looper letters, 15 selfloop transitions, 2 changer transitions 0/241 dead transitions. [2022-11-16 12:33:11,243 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 241 transitions, 524 flow [2022-11-16 12:33:11,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:33:11,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:33:11,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 789 transitions. [2022-11-16 12:33:11,245 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8622950819672132 [2022-11-16 12:33:11,246 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 789 transitions. [2022-11-16 12:33:11,246 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 789 transitions. [2022-11-16 12:33:11,246 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:33:11,247 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 789 transitions. [2022-11-16 12:33:11,248 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 263.0) internal successors, (789), 3 states have internal predecessors, (789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:11,250 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:11,251 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:11,252 INFO L175 Difference]: Start difference. First operand has 242 places, 242 transitions, 492 flow. Second operand 3 states and 789 transitions. [2022-11-16 12:33:11,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 241 transitions, 524 flow [2022-11-16 12:33:11,254 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 241 transitions, 523 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 12:33:11,257 INFO L231 Difference]: Finished difference. Result has 242 places, 241 transitions, 493 flow [2022-11-16 12:33:11,257 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=489, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=241, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=493, PETRI_PLACES=242, PETRI_TRANSITIONS=241} [2022-11-16 12:33:11,258 INFO L288 CegarLoopForPetriNet]: 276 programPoint places, -34 predicate places. [2022-11-16 12:33:11,258 INFO L495 AbstractCegarLoop]: Abstraction has has 242 places, 241 transitions, 493 flow [2022-11-16 12:33:11,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 258.3333333333333) internal successors, (775), 3 states have internal predecessors, (775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:11,259 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:33:11,259 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:33:11,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 12:33:11,260 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-16 12:33:11,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:33:11,260 INFO L85 PathProgramCache]: Analyzing trace with hash -2106742542, now seen corresponding path program 1 times [2022-11-16 12:33:11,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:33:11,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225042613] [2022-11-16 12:33:11,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:33:11,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:33:11,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:11,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:33:11,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:33:11,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225042613] [2022-11-16 12:33:11,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225042613] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:33:11,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:33:11,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:33:11,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367878592] [2022-11-16 12:33:11,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:33:11,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:33:11,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:33:11,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:33:11,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:33:11,825 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 211 out of 305 [2022-11-16 12:33:11,827 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 241 transitions, 493 flow. Second operand has 6 states, 6 states have (on average 212.83333333333334) internal successors, (1277), 6 states have internal predecessors, (1277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:11,827 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:33:11,828 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 211 of 305 [2022-11-16 12:33:11,828 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:33:12,564 INFO L130 PetriNetUnfolder]: 725/1947 cut-off events. [2022-11-16 12:33:12,564 INFO L131 PetriNetUnfolder]: For 7/17 co-relation queries the response was YES. [2022-11-16 12:33:12,570 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3003 conditions, 1947 events. 725/1947 cut-off events. For 7/17 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 12994 event pairs, 464 based on Foata normal form. 0/1759 useless extension candidates. Maximal degree in co-relation 2963. Up to 1028 conditions per place. [2022-11-16 12:33:12,582 INFO L137 encePairwiseOnDemand]: 293/305 looper letters, 52 selfloop transitions, 10 changer transitions 0/239 dead transitions. [2022-11-16 12:33:12,582 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 239 transitions, 613 flow [2022-11-16 12:33:12,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:33:12,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:33:12,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1330 transitions. [2022-11-16 12:33:12,587 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.726775956284153 [2022-11-16 12:33:12,587 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1330 transitions. [2022-11-16 12:33:12,587 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1330 transitions. [2022-11-16 12:33:12,588 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:33:12,588 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1330 transitions. [2022-11-16 12:33:12,592 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 221.66666666666666) internal successors, (1330), 6 states have internal predecessors, (1330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:12,596 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:12,598 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:12,598 INFO L175 Difference]: Start difference. First operand has 242 places, 241 transitions, 493 flow. Second operand 6 states and 1330 transitions. [2022-11-16 12:33:12,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 239 transitions, 613 flow [2022-11-16 12:33:12,600 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 239 transitions, 609 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:33:12,604 INFO L231 Difference]: Finished difference. Result has 243 places, 239 transitions, 505 flow [2022-11-16 12:33:12,605 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=485, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=505, PETRI_PLACES=243, PETRI_TRANSITIONS=239} [2022-11-16 12:33:12,606 INFO L288 CegarLoopForPetriNet]: 276 programPoint places, -33 predicate places. [2022-11-16 12:33:12,606 INFO L495 AbstractCegarLoop]: Abstraction has has 243 places, 239 transitions, 505 flow [2022-11-16 12:33:12,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 212.83333333333334) internal successors, (1277), 6 states have internal predecessors, (1277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:12,607 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:33:12,607 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:33:12,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 12:33:12,608 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-16 12:33:12,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:33:12,609 INFO L85 PathProgramCache]: Analyzing trace with hash -864216542, now seen corresponding path program 1 times [2022-11-16 12:33:12,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:33:12,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726054255] [2022-11-16 12:33:12,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:33:12,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:33:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:12,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:33:12,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:33:12,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726054255] [2022-11-16 12:33:12,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726054255] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:33:12,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:33:12,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:33:12,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083151389] [2022-11-16 12:33:12,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:33:12,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:33:12,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:33:12,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:33:12,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:33:12,698 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 257 out of 305 [2022-11-16 12:33:12,700 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 239 transitions, 505 flow. Second operand has 3 states, 3 states have (on average 258.3333333333333) internal successors, (775), 3 states have internal predecessors, (775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:12,701 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:33:12,701 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 257 of 305 [2022-11-16 12:33:12,701 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:33:12,880 INFO L130 PetriNetUnfolder]: 113/619 cut-off events. [2022-11-16 12:33:12,881 INFO L131 PetriNetUnfolder]: For 26/31 co-relation queries the response was YES. [2022-11-16 12:33:12,883 INFO L83 FinitePrefix]: Finished finitePrefix Result has 810 conditions, 619 events. 113/619 cut-off events. For 26/31 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2626 event pairs, 56 based on Foata normal form. 0/547 useless extension candidates. Maximal degree in co-relation 777. Up to 163 conditions per place. [2022-11-16 12:33:12,886 INFO L137 encePairwiseOnDemand]: 302/305 looper letters, 15 selfloop transitions, 2 changer transitions 0/238 dead transitions. [2022-11-16 12:33:12,886 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 238 transitions, 537 flow [2022-11-16 12:33:12,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:33:12,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:33:12,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 789 transitions. [2022-11-16 12:33:12,889 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8622950819672132 [2022-11-16 12:33:12,889 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 789 transitions. [2022-11-16 12:33:12,889 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 789 transitions. [2022-11-16 12:33:12,889 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:33:12,890 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 789 transitions. [2022-11-16 12:33:12,892 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 263.0) internal successors, (789), 3 states have internal predecessors, (789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:12,894 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:12,894 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:12,894 INFO L175 Difference]: Start difference. First operand has 243 places, 239 transitions, 505 flow. Second operand 3 states and 789 transitions. [2022-11-16 12:33:12,895 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 238 transitions, 537 flow [2022-11-16 12:33:12,897 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 238 transitions, 517 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-16 12:33:12,899 INFO L231 Difference]: Finished difference. Result has 239 places, 238 transitions, 487 flow [2022-11-16 12:33:12,900 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=483, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=487, PETRI_PLACES=239, PETRI_TRANSITIONS=238} [2022-11-16 12:33:12,903 INFO L288 CegarLoopForPetriNet]: 276 programPoint places, -37 predicate places. [2022-11-16 12:33:12,903 INFO L495 AbstractCegarLoop]: Abstraction has has 239 places, 238 transitions, 487 flow [2022-11-16 12:33:12,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 258.3333333333333) internal successors, (775), 3 states have internal predecessors, (775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:12,904 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:33:12,904 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:33:12,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 12:33:12,904 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-16 12:33:12,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:33:12,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1206215106, now seen corresponding path program 1 times [2022-11-16 12:33:12,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:33:12,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937376888] [2022-11-16 12:33:12,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:33:12,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:33:12,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:12,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:33:12,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:33:12,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937376888] [2022-11-16 12:33:12,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937376888] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:33:12,968 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:33:12,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:33:12,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098453780] [2022-11-16 12:33:12,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:33:12,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:33:12,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:33:12,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:33:12,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:33:12,976 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 305 [2022-11-16 12:33:12,977 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 238 transitions, 487 flow. Second operand has 3 states, 3 states have (on average 249.33333333333334) internal successors, (748), 3 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:12,977 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:33:12,977 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 305 [2022-11-16 12:33:12,977 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:33:13,167 INFO L130 PetriNetUnfolder]: 267/852 cut-off events. [2022-11-16 12:33:13,168 INFO L131 PetriNetUnfolder]: For 56/78 co-relation queries the response was YES. [2022-11-16 12:33:13,171 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1248 conditions, 852 events. 267/852 cut-off events. For 56/78 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 4216 event pairs, 164 based on Foata normal form. 0/759 useless extension candidates. Maximal degree in co-relation 1206. Up to 369 conditions per place. [2022-11-16 12:33:13,174 INFO L137 encePairwiseOnDemand]: 300/305 looper letters, 21 selfloop transitions, 1 changer transitions 0/234 dead transitions. [2022-11-16 12:33:13,175 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 234 transitions, 523 flow [2022-11-16 12:33:13,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:33:13,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:33:13,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 770 transitions. [2022-11-16 12:33:13,177 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8415300546448088 [2022-11-16 12:33:13,177 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 770 transitions. [2022-11-16 12:33:13,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 770 transitions. [2022-11-16 12:33:13,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:33:13,178 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 770 transitions. [2022-11-16 12:33:13,182 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 256.6666666666667) internal successors, (770), 3 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:13,184 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:13,184 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:13,184 INFO L175 Difference]: Start difference. First operand has 239 places, 238 transitions, 487 flow. Second operand 3 states and 770 transitions. [2022-11-16 12:33:13,185 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 234 transitions, 523 flow [2022-11-16 12:33:13,186 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 234 transitions, 519 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:33:13,189 INFO L231 Difference]: Finished difference. Result has 235 places, 234 transitions, 477 flow [2022-11-16 12:33:13,189 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=475, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=234, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=477, PETRI_PLACES=235, PETRI_TRANSITIONS=234} [2022-11-16 12:33:13,190 INFO L288 CegarLoopForPetriNet]: 276 programPoint places, -41 predicate places. [2022-11-16 12:33:13,191 INFO L495 AbstractCegarLoop]: Abstraction has has 235 places, 234 transitions, 477 flow [2022-11-16 12:33:13,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 249.33333333333334) internal successors, (748), 3 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:13,192 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:33:13,192 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:33:13,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 12:33:13,192 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-16 12:33:13,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:33:13,193 INFO L85 PathProgramCache]: Analyzing trace with hash 105263125, now seen corresponding path program 1 times [2022-11-16 12:33:13,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:33:13,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26161886] [2022-11-16 12:33:13,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:33:13,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:33:13,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:13,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:33:13,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:33:13,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26161886] [2022-11-16 12:33:13,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26161886] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:33:13,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:33:13,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:33:13,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384643989] [2022-11-16 12:33:13,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:33:13,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:33:13,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:33:13,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:33:13,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:33:13,877 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 305 [2022-11-16 12:33:13,878 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 234 transitions, 477 flow. Second operand has 6 states, 6 states have (on average 229.0) internal successors, (1374), 6 states have internal predecessors, (1374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:13,878 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:33:13,878 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 305 [2022-11-16 12:33:13,879 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:33:14,823 INFO L130 PetriNetUnfolder]: 725/1687 cut-off events. [2022-11-16 12:33:14,823 INFO L131 PetriNetUnfolder]: For 1/11 co-relation queries the response was YES. [2022-11-16 12:33:14,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2723 conditions, 1687 events. 725/1687 cut-off events. For 1/11 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 9815 event pairs, 96 based on Foata normal form. 4/1586 useless extension candidates. Maximal degree in co-relation 2681. Up to 461 conditions per place. [2022-11-16 12:33:14,836 INFO L137 encePairwiseOnDemand]: 300/305 looper letters, 63 selfloop transitions, 4 changer transitions 0/257 dead transitions. [2022-11-16 12:33:14,836 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 257 transitions, 657 flow [2022-11-16 12:33:14,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:33:14,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:33:14,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1430 transitions. [2022-11-16 12:33:14,840 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7814207650273224 [2022-11-16 12:33:14,843 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1430 transitions. [2022-11-16 12:33:14,844 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1430 transitions. [2022-11-16 12:33:14,845 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:33:14,845 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1430 transitions. [2022-11-16 12:33:14,848 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 238.33333333333334) internal successors, (1430), 6 states have internal predecessors, (1430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:14,851 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:14,852 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:14,852 INFO L175 Difference]: Start difference. First operand has 235 places, 234 transitions, 477 flow. Second operand 6 states and 1430 transitions. [2022-11-16 12:33:14,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 257 transitions, 657 flow [2022-11-16 12:33:14,858 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 257 transitions, 656 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 12:33:14,862 INFO L231 Difference]: Finished difference. Result has 238 places, 233 transitions, 482 flow [2022-11-16 12:33:14,863 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=474, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=482, PETRI_PLACES=238, PETRI_TRANSITIONS=233} [2022-11-16 12:33:14,864 INFO L288 CegarLoopForPetriNet]: 276 programPoint places, -38 predicate places. [2022-11-16 12:33:14,864 INFO L495 AbstractCegarLoop]: Abstraction has has 238 places, 233 transitions, 482 flow [2022-11-16 12:33:14,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 229.0) internal successors, (1374), 6 states have internal predecessors, (1374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:14,865 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:33:14,865 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:33:14,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 12:33:14,866 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-16 12:33:14,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:33:14,866 INFO L85 PathProgramCache]: Analyzing trace with hash -750474313, now seen corresponding path program 1 times [2022-11-16 12:33:14,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:33:14,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434622017] [2022-11-16 12:33:14,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:33:14,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:33:14,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:15,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:33:15,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:33:15,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434622017] [2022-11-16 12:33:15,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434622017] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:33:15,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:33:15,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:33:15,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694293146] [2022-11-16 12:33:15,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:33:15,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:33:15,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:33:15,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:33:15,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:33:15,421 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 305 [2022-11-16 12:33:15,423 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 233 transitions, 482 flow. Second operand has 6 states, 6 states have (on average 230.0) internal successors, (1380), 6 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:15,423 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:33:15,423 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 305 [2022-11-16 12:33:15,423 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:33:16,248 INFO L130 PetriNetUnfolder]: 647/1757 cut-off events. [2022-11-16 12:33:16,248 INFO L131 PetriNetUnfolder]: For 68/77 co-relation queries the response was YES. [2022-11-16 12:33:16,254 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2796 conditions, 1757 events. 647/1757 cut-off events. For 68/77 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 11108 event pairs, 338 based on Foata normal form. 0/1624 useless extension candidates. Maximal degree in co-relation 2754. Up to 732 conditions per place. [2022-11-16 12:33:16,264 INFO L137 encePairwiseOnDemand]: 300/305 looper letters, 54 selfloop transitions, 4 changer transitions 0/248 dead transitions. [2022-11-16 12:33:16,264 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 248 transitions, 628 flow [2022-11-16 12:33:16,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:33:16,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:33:16,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1421 transitions. [2022-11-16 12:33:16,269 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7765027322404372 [2022-11-16 12:33:16,269 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1421 transitions. [2022-11-16 12:33:16,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1421 transitions. [2022-11-16 12:33:16,270 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:33:16,270 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1421 transitions. [2022-11-16 12:33:16,276 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 236.83333333333334) internal successors, (1421), 6 states have internal predecessors, (1421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:16,279 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:16,280 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:16,280 INFO L175 Difference]: Start difference. First operand has 238 places, 233 transitions, 482 flow. Second operand 6 states and 1421 transitions. [2022-11-16 12:33:16,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 248 transitions, 628 flow [2022-11-16 12:33:16,283 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 248 transitions, 621 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 12:33:16,287 INFO L231 Difference]: Finished difference. Result has 238 places, 232 transitions, 481 flow [2022-11-16 12:33:16,287 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=473, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=481, PETRI_PLACES=238, PETRI_TRANSITIONS=232} [2022-11-16 12:33:16,288 INFO L288 CegarLoopForPetriNet]: 276 programPoint places, -38 predicate places. [2022-11-16 12:33:16,289 INFO L495 AbstractCegarLoop]: Abstraction has has 238 places, 232 transitions, 481 flow [2022-11-16 12:33:16,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 230.0) internal successors, (1380), 6 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:16,289 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:33:16,290 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:33:16,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 12:33:16,290 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-16 12:33:16,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:33:16,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1818917665, now seen corresponding path program 1 times [2022-11-16 12:33:16,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:33:16,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186060720] [2022-11-16 12:33:16,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:33:16,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:33:16,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:16,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:33:16,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:33:16,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186060720] [2022-11-16 12:33:16,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186060720] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:33:16,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:33:16,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:33:16,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823593242] [2022-11-16 12:33:16,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:33:16,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:33:16,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:33:16,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:33:16,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:33:16,978 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 305 [2022-11-16 12:33:16,980 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 232 transitions, 481 flow. Second operand has 6 states, 6 states have (on average 231.0) internal successors, (1386), 6 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:16,980 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:33:16,980 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 305 [2022-11-16 12:33:16,980 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:33:17,673 INFO L130 PetriNetUnfolder]: 644/1772 cut-off events. [2022-11-16 12:33:17,674 INFO L131 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2022-11-16 12:33:17,680 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2757 conditions, 1772 events. 644/1772 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 11159 event pairs, 400 based on Foata normal form. 0/1637 useless extension candidates. Maximal degree in co-relation 2715. Up to 873 conditions per place. [2022-11-16 12:33:17,687 INFO L137 encePairwiseOnDemand]: 300/305 looper letters, 45 selfloop transitions, 4 changer transitions 0/239 dead transitions. [2022-11-16 12:33:17,687 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 239 transitions, 593 flow [2022-11-16 12:33:17,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:33:17,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:33:17,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1412 transitions. [2022-11-16 12:33:17,691 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7715846994535519 [2022-11-16 12:33:17,691 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1412 transitions. [2022-11-16 12:33:17,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1412 transitions. [2022-11-16 12:33:17,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:33:17,693 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1412 transitions. [2022-11-16 12:33:17,696 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 235.33333333333334) internal successors, (1412), 6 states have internal predecessors, (1412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:17,699 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:17,700 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:17,701 INFO L175 Difference]: Start difference. First operand has 238 places, 232 transitions, 481 flow. Second operand 6 states and 1412 transitions. [2022-11-16 12:33:17,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 239 transitions, 593 flow [2022-11-16 12:33:17,703 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 239 transitions, 586 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 12:33:17,706 INFO L231 Difference]: Finished difference. Result has 238 places, 231 transitions, 480 flow [2022-11-16 12:33:17,706 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=472, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=480, PETRI_PLACES=238, PETRI_TRANSITIONS=231} [2022-11-16 12:33:17,707 INFO L288 CegarLoopForPetriNet]: 276 programPoint places, -38 predicate places. [2022-11-16 12:33:17,707 INFO L495 AbstractCegarLoop]: Abstraction has has 238 places, 231 transitions, 480 flow [2022-11-16 12:33:17,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 231.0) internal successors, (1386), 6 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:17,708 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:33:17,708 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:33:17,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 12:33:17,709 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-16 12:33:17,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:33:17,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1662059347, now seen corresponding path program 1 times [2022-11-16 12:33:17,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:33:17,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856415032] [2022-11-16 12:33:17,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:33:17,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:33:17,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:17,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:33:17,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:33:17,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856415032] [2022-11-16 12:33:17,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856415032] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:33:17,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:33:17,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:33:17,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339114601] [2022-11-16 12:33:17,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:33:17,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:33:17,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:33:17,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:33:17,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:33:17,787 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 260 out of 305 [2022-11-16 12:33:17,788 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 231 transitions, 480 flow. Second operand has 3 states, 3 states have (on average 262.6666666666667) internal successors, (788), 3 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:17,788 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:33:17,789 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 260 of 305 [2022-11-16 12:33:17,789 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:33:17,942 INFO L130 PetriNetUnfolder]: 111/546 cut-off events. [2022-11-16 12:33:17,942 INFO L131 PetriNetUnfolder]: For 26/31 co-relation queries the response was YES. [2022-11-16 12:33:17,944 INFO L83 FinitePrefix]: Finished finitePrefix Result has 729 conditions, 546 events. 111/546 cut-off events. For 26/31 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1956 event pairs, 38 based on Foata normal form. 1/500 useless extension candidates. Maximal degree in co-relation 706. Up to 110 conditions per place. [2022-11-16 12:33:17,947 INFO L137 encePairwiseOnDemand]: 301/305 looper letters, 17 selfloop transitions, 3 changer transitions 0/236 dead transitions. [2022-11-16 12:33:17,947 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 236 transitions, 532 flow [2022-11-16 12:33:17,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:33:17,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:33:17,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 801 transitions. [2022-11-16 12:33:17,950 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8754098360655738 [2022-11-16 12:33:17,950 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 801 transitions. [2022-11-16 12:33:17,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 801 transitions. [2022-11-16 12:33:17,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:33:17,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 801 transitions. [2022-11-16 12:33:17,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 267.0) internal successors, (801), 3 states have internal predecessors, (801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:17,955 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:17,955 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:17,956 INFO L175 Difference]: Start difference. First operand has 238 places, 231 transitions, 480 flow. Second operand 3 states and 801 transitions. [2022-11-16 12:33:17,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 236 transitions, 532 flow [2022-11-16 12:33:17,957 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 236 transitions, 525 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 12:33:17,960 INFO L231 Difference]: Finished difference. Result has 235 places, 230 transitions, 477 flow [2022-11-16 12:33:17,961 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=471, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=477, PETRI_PLACES=235, PETRI_TRANSITIONS=230} [2022-11-16 12:33:17,962 INFO L288 CegarLoopForPetriNet]: 276 programPoint places, -41 predicate places. [2022-11-16 12:33:17,962 INFO L495 AbstractCegarLoop]: Abstraction has has 235 places, 230 transitions, 477 flow [2022-11-16 12:33:17,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 262.6666666666667) internal successors, (788), 3 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:17,963 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:33:17,963 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:33:17,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 12:33:17,963 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-16 12:33:17,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:33:17,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1853493449, now seen corresponding path program 1 times [2022-11-16 12:33:17,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:33:17,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163845575] [2022-11-16 12:33:17,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:33:17,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:33:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:18,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:33:18,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:33:18,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163845575] [2022-11-16 12:33:18,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163845575] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:33:18,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:33:18,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:33:18,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89718277] [2022-11-16 12:33:18,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:33:18,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:33:18,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:33:18,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:33:18,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:33:18,053 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 260 out of 305 [2022-11-16 12:33:18,054 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 230 transitions, 477 flow. Second operand has 3 states, 3 states have (on average 262.6666666666667) internal successors, (788), 3 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:18,055 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:33:18,055 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 260 of 305 [2022-11-16 12:33:18,055 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:33:18,212 INFO L130 PetriNetUnfolder]: 125/621 cut-off events. [2022-11-16 12:33:18,213 INFO L131 PetriNetUnfolder]: For 70/73 co-relation queries the response was YES. [2022-11-16 12:33:18,215 INFO L83 FinitePrefix]: Finished finitePrefix Result has 873 conditions, 621 events. 125/621 cut-off events. For 70/73 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2465 event pairs, 22 based on Foata normal form. 1/582 useless extension candidates. Maximal degree in co-relation 833. Up to 93 conditions per place. [2022-11-16 12:33:18,216 INFO L137 encePairwiseOnDemand]: 299/305 looper letters, 0 selfloop transitions, 0 changer transitions 238/238 dead transitions. [2022-11-16 12:33:18,216 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 238 transitions, 544 flow [2022-11-16 12:33:18,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:33:18,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:33:18,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 803 transitions. [2022-11-16 12:33:18,219 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8775956284153006 [2022-11-16 12:33:18,219 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 803 transitions. [2022-11-16 12:33:18,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 803 transitions. [2022-11-16 12:33:18,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:33:18,220 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 803 transitions. [2022-11-16 12:33:18,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 267.6666666666667) internal successors, (803), 3 states have internal predecessors, (803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:18,224 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:18,225 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:18,225 INFO L175 Difference]: Start difference. First operand has 235 places, 230 transitions, 477 flow. Second operand 3 states and 803 transitions. [2022-11-16 12:33:18,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 238 transitions, 544 flow [2022-11-16 12:33:18,227 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 238 transitions, 534 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:33:18,228 INFO L231 Difference]: Finished difference. Result has 234 places, 0 transitions, 0 flow [2022-11-16 12:33:18,229 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=469, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=229, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=234, PETRI_TRANSITIONS=0} [2022-11-16 12:33:18,229 INFO L288 CegarLoopForPetriNet]: 276 programPoint places, -42 predicate places. [2022-11-16 12:33:18,229 INFO L495 AbstractCegarLoop]: Abstraction has has 234 places, 0 transitions, 0 flow [2022-11-16 12:33:18,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 262.6666666666667) internal successors, (788), 3 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:18,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (62 of 63 remaining) [2022-11-16 12:33:18,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (61 of 63 remaining) [2022-11-16 12:33:18,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (60 of 63 remaining) [2022-11-16 12:33:18,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (59 of 63 remaining) [2022-11-16 12:33:18,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (58 of 63 remaining) [2022-11-16 12:33:18,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (57 of 63 remaining) [2022-11-16 12:33:18,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (56 of 63 remaining) [2022-11-16 12:33:18,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (55 of 63 remaining) [2022-11-16 12:33:18,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (54 of 63 remaining) [2022-11-16 12:33:18,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (53 of 63 remaining) [2022-11-16 12:33:18,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (52 of 63 remaining) [2022-11-16 12:33:18,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (51 of 63 remaining) [2022-11-16 12:33:18,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (50 of 63 remaining) [2022-11-16 12:33:18,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (49 of 63 remaining) [2022-11-16 12:33:18,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (48 of 63 remaining) [2022-11-16 12:33:18,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (47 of 63 remaining) [2022-11-16 12:33:18,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (46 of 63 remaining) [2022-11-16 12:33:18,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (45 of 63 remaining) [2022-11-16 12:33:18,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (44 of 63 remaining) [2022-11-16 12:33:18,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (43 of 63 remaining) [2022-11-16 12:33:18,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (42 of 63 remaining) [2022-11-16 12:33:18,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (41 of 63 remaining) [2022-11-16 12:33:18,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (40 of 63 remaining) [2022-11-16 12:33:18,237 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (39 of 63 remaining) [2022-11-16 12:33:18,237 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (38 of 63 remaining) [2022-11-16 12:33:18,237 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (37 of 63 remaining) [2022-11-16 12:33:18,237 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (36 of 63 remaining) [2022-11-16 12:33:18,237 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (35 of 63 remaining) [2022-11-16 12:33:18,237 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (34 of 63 remaining) [2022-11-16 12:33:18,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (33 of 63 remaining) [2022-11-16 12:33:18,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (32 of 63 remaining) [2022-11-16 12:33:18,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (31 of 63 remaining) [2022-11-16 12:33:18,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (30 of 63 remaining) [2022-11-16 12:33:18,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (29 of 63 remaining) [2022-11-16 12:33:18,239 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (28 of 63 remaining) [2022-11-16 12:33:18,239 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (27 of 63 remaining) [2022-11-16 12:33:18,239 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (26 of 63 remaining) [2022-11-16 12:33:18,239 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (25 of 63 remaining) [2022-11-16 12:33:18,239 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 63 remaining) [2022-11-16 12:33:18,239 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 63 remaining) [2022-11-16 12:33:18,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 63 remaining) [2022-11-16 12:33:18,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 63 remaining) [2022-11-16 12:33:18,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 63 remaining) [2022-11-16 12:33:18,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 63 remaining) [2022-11-16 12:33:18,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 63 remaining) [2022-11-16 12:33:18,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (17 of 63 remaining) [2022-11-16 12:33:18,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (16 of 63 remaining) [2022-11-16 12:33:18,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (15 of 63 remaining) [2022-11-16 12:33:18,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 63 remaining) [2022-11-16 12:33:18,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 63 remaining) [2022-11-16 12:33:18,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 63 remaining) [2022-11-16 12:33:18,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 63 remaining) [2022-11-16 12:33:18,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 63 remaining) [2022-11-16 12:33:18,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (9 of 63 remaining) [2022-11-16 12:33:18,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (8 of 63 remaining) [2022-11-16 12:33:18,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (7 of 63 remaining) [2022-11-16 12:33:18,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 63 remaining) [2022-11-16 12:33:18,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (5 of 63 remaining) [2022-11-16 12:33:18,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (4 of 63 remaining) [2022-11-16 12:33:18,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 63 remaining) [2022-11-16 12:33:18,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (2 of 63 remaining) [2022-11-16 12:33:18,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (1 of 63 remaining) [2022-11-16 12:33:18,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 63 remaining) [2022-11-16 12:33:18,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-16 12:33:18,244 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:33:18,250 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 12:33:18,250 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:33:18,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:33:18 BasicIcfg [2022-11-16 12:33:18,255 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:33:18,256 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:33:18,256 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:33:18,256 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:33:18,256 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:33:08" (3/4) ... [2022-11-16 12:33:18,259 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 12:33:18,264 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-16 12:33:18,264 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-16 12:33:18,264 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-16 12:33:18,270 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-11-16 12:33:18,270 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-16 12:33:18,271 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 12:33:18,271 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 12:33:18,311 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f1d916-30f1-4e71-81d2-1646d5cbcd2a/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:33:18,312 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:33:18,312 INFO L158 Benchmark]: Toolchain (without parser) took 11592.66ms. Allocated memory was 130.0MB in the beginning and 385.9MB in the end (delta: 255.9MB). Free memory was 93.7MB in the beginning and 270.0MB in the end (delta: -176.2MB). Peak memory consumption was 79.4MB. Max. memory is 16.1GB. [2022-11-16 12:33:18,313 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 130.0MB. Free memory was 103.2MB in the beginning and 103.1MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:33:18,313 INFO L158 Benchmark]: CACSL2BoogieTranslator took 378.99ms. Allocated memory is still 130.0MB. Free memory was 93.7MB in the beginning and 100.7MB in the end (delta: -7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 12:33:18,313 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.15ms. Allocated memory is still 130.0MB. Free memory was 100.7MB in the beginning and 97.0MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 12:33:18,314 INFO L158 Benchmark]: Boogie Preprocessor took 48.57ms. Allocated memory is still 130.0MB. Free memory was 97.0MB in the beginning and 93.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:33:18,314 INFO L158 Benchmark]: RCFGBuilder took 1545.83ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 93.9MB in the beginning and 120.8MB in the end (delta: -26.9MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. [2022-11-16 12:33:18,314 INFO L158 Benchmark]: TraceAbstraction took 9488.73ms. Allocated memory was 157.3MB in the beginning and 385.9MB in the end (delta: 228.6MB). Free memory was 119.8MB in the beginning and 275.2MB in the end (delta: -155.4MB). Peak memory consumption was 73.2MB. Max. memory is 16.1GB. [2022-11-16 12:33:18,315 INFO L158 Benchmark]: Witness Printer took 56.30ms. Allocated memory is still 385.9MB. Free memory was 275.2MB in the beginning and 270.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 12:33:18,316 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 130.0MB. Free memory was 103.2MB in the beginning and 103.1MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 378.99ms. Allocated memory is still 130.0MB. Free memory was 93.7MB in the beginning and 100.7MB in the end (delta: -7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.15ms. Allocated memory is still 130.0MB. Free memory was 100.7MB in the beginning and 97.0MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.57ms. Allocated memory is still 130.0MB. Free memory was 97.0MB in the beginning and 93.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1545.83ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 93.9MB in the beginning and 120.8MB in the end (delta: -26.9MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. * TraceAbstraction took 9488.73ms. Allocated memory was 157.3MB in the beginning and 385.9MB in the end (delta: 228.6MB). Free memory was 119.8MB in the beginning and 275.2MB in the end (delta: -155.4MB). Peak memory consumption was 73.2MB. Max. memory is 16.1GB. * Witness Printer took 56.30ms. Allocated memory is still 385.9MB. Free memory was 275.2MB in the beginning and 270.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: 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: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: 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: 76]: 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: 76]: 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: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: 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 7 procedures, 352 locations, 63 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: 9.3s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 92 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 92 mSDsluCounter, 160 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 86 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 790 IncrementalHoareTripleChecker+Invalid, 876 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 86 mSolverCounterUnsat, 160 mSDtfsCounter, 790 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=582occurred in iteration=0, InterpolantAutomatonStates: 48, 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, 2.8s InterpolantComputationTime, 1235 NumberOfCodeBlocks, 1235 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1223 ConstructedInterpolants, 0 QuantifiedInterpolants, 1597 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 38 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 12:33:18,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f1d916-30f1-4e71-81d2-1646d5cbcd2a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE