./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-match-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 38b53e6a 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_7f5093df-52d8-4f1d-93c3-b9e0c17433df/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f5093df-52d8-4f1d-93c3-b9e0c17433df/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f5093df-52d8-4f1d-93c3-b9e0c17433df/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f5093df-52d8-4f1d-93c3-b9e0c17433df/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-match-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f5093df-52d8-4f1d-93c3-b9e0c17433df/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f5093df-52d8-4f1d-93c3-b9e0c17433df/bin/uautomizer-ZsLfNo2U6R --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 3c2ccb27a3ce50ce458a10a4aa8fbbd4d9c9d88060b8c7df98385ed8946afbfa --- 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-38b53e6 [2022-11-25 15:49:00,459 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:49:00,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:49:00,486 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:49:00,487 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:49:00,488 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:49:00,489 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:49:00,491 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:49:00,493 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:49:00,493 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:49:00,494 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:49:00,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:49:00,496 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:49:00,497 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:49:00,498 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:49:00,499 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:49:00,500 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:49:00,501 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:49:00,503 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:49:00,505 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:49:00,506 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:49:00,512 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:49:00,514 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:49:00,515 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:49:00,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:49:00,525 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:49:00,526 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:49:00,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:49:00,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:49:00,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:49:00,528 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:49:00,529 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:49:00,535 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:49:00,536 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:49:00,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:49:00,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:49:00,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:49:00,538 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:49:00,539 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:49:00,540 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:49:00,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:49:00,543 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f5093df-52d8-4f1d-93c3-b9e0c17433df/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-25 15:49:00,587 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:49:00,588 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:49:00,588 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:49:00,588 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:49:00,589 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 15:49:00,589 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 15:49:00,590 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:49:00,590 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:49:00,590 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:49:00,590 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:49:00,591 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 15:49:00,591 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 15:49:00,591 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 15:49:00,591 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 15:49:00,591 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:49:00,592 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 15:49:00,592 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 15:49:00,592 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 15:49:00,592 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 15:49:00,592 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 15:49:00,593 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:49:00,593 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:49:00,593 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 15:49:00,593 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:49:00,594 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:49:00,594 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 15:49:00,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:49:00,594 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:49:00,594 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 15:49:00,595 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 15:49:00,595 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 15:49:00,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 15:49:00,595 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 15:49:00,595 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 15:49:00,596 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 15:49:00,596 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 15:49:00,596 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f5093df-52d8-4f1d-93c3-b9e0c17433df/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f5093df-52d8-4f1d-93c3-b9e0c17433df/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c2ccb27a3ce50ce458a10a4aa8fbbd4d9c9d88060b8c7df98385ed8946afbfa [2022-11-25 15:49:00,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:49:00,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:49:00,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:49:00,857 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:49:00,857 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:49:00,858 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f5093df-52d8-4f1d-93c3-b9e0c17433df/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/weaver/chl-match-subst.wvr.c [2022-11-25 15:49:04,139 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:49:04,492 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:49:04,493 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f5093df-52d8-4f1d-93c3-b9e0c17433df/sv-benchmarks/c/weaver/chl-match-subst.wvr.c [2022-11-25 15:49:04,501 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f5093df-52d8-4f1d-93c3-b9e0c17433df/bin/uautomizer-ZsLfNo2U6R/data/2c9231447/6c61e2e1710c45098db842c3c0734e3b/FLAG2e7af76b8 [2022-11-25 15:49:04,519 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f5093df-52d8-4f1d-93c3-b9e0c17433df/bin/uautomizer-ZsLfNo2U6R/data/2c9231447/6c61e2e1710c45098db842c3c0734e3b [2022-11-25 15:49:04,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:49:04,524 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:49:04,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:49:04,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:49:04,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:49:04,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:49:04" (1/1) ... [2022-11-25 15:49:04,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1654d42f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:04, skipping insertion in model container [2022-11-25 15:49:04,533 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:49:04" (1/1) ... [2022-11-25 15:49:04,543 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:49:04,566 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:49:04,905 WARN L237 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_7f5093df-52d8-4f1d-93c3-b9e0c17433df/sv-benchmarks/c/weaver/chl-match-subst.wvr.c[3017,3030] [2022-11-25 15:49:04,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:49:04,924 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:49:04,979 WARN L237 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_7f5093df-52d8-4f1d-93c3-b9e0c17433df/sv-benchmarks/c/weaver/chl-match-subst.wvr.c[3017,3030] [2022-11-25 15:49:04,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:49:04,999 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:49:05,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:04 WrapperNode [2022-11-25 15:49:05,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:49:05,001 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:49:05,001 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:49:05,001 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:49:05,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:04" (1/1) ... [2022-11-25 15:49:05,022 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:04" (1/1) ... [2022-11-25 15:49:05,059 INFO L138 Inliner]: procedures = 23, calls = 34, calls flagged for inlining = 12, calls inlined = 22, statements flattened = 343 [2022-11-25 15:49:05,059 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:49:05,060 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:49:05,060 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:49:05,060 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:49:05,072 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:04" (1/1) ... [2022-11-25 15:49:05,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:04" (1/1) ... [2022-11-25 15:49:05,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:04" (1/1) ... [2022-11-25 15:49:05,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:04" (1/1) ... [2022-11-25 15:49:05,107 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:04" (1/1) ... [2022-11-25 15:49:05,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:04" (1/1) ... [2022-11-25 15:49:05,112 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:04" (1/1) ... [2022-11-25 15:49:05,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:04" (1/1) ... [2022-11-25 15:49:05,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:49:05,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:49:05,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:49:05,122 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:49:05,123 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:04" (1/1) ... [2022-11-25 15:49:05,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:49:05,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f5093df-52d8-4f1d-93c3-b9e0c17433df/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:49:05,179 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f5093df-52d8-4f1d-93c3-b9e0c17433df/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 15:49:05,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f5093df-52d8-4f1d-93c3-b9e0c17433df/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 15:49:05,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 15:49:05,253 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-25 15:49:05,253 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-25 15:49:05,253 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-25 15:49:05,255 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-25 15:49:05,255 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-25 15:49:05,256 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-25 15:49:05,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 15:49:05,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 15:49:05,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 15:49:05,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:49:05,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:49:05,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 15:49:05,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 15:49:05,259 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 15:49:05,428 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:49:05,432 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:49:06,228 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:49:06,262 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:49:06,262 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 15:49:06,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:49:06 BoogieIcfgContainer [2022-11-25 15:49:06,265 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:49:06,268 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 15:49:06,268 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 15:49:06,273 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 15:49:06,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 03:49:04" (1/3) ... [2022-11-25 15:49:06,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24792b13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:49:06, skipping insertion in model container [2022-11-25 15:49:06,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:04" (2/3) ... [2022-11-25 15:49:06,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24792b13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:49:06, skipping insertion in model container [2022-11-25 15:49:06,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:49:06" (3/3) ... [2022-11-25 15:49:06,276 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-match-subst.wvr.c [2022-11-25 15:49:06,304 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 15:49:06,315 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 15:49:06,315 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2022-11-25 15:49:06,316 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 15:49:06,511 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-25 15:49:06,602 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 465 places, 473 transitions, 970 flow [2022-11-25 15:49:07,020 INFO L130 PetriNetUnfolder]: 18/470 cut-off events. [2022-11-25 15:49:07,021 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-25 15:49:07,044 INFO L83 FinitePrefix]: Finished finitePrefix Result has 483 conditions, 470 events. 18/470 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 813 event pairs, 0 based on Foata normal form. 0/408 useless extension candidates. Maximal degree in co-relation 308. Up to 2 conditions per place. [2022-11-25 15:49:07,044 INFO L82 GeneralOperation]: Start removeDead. Operand has 465 places, 473 transitions, 970 flow [2022-11-25 15:49:07,071 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 441 places, 447 transitions, 912 flow [2022-11-25 15:49:07,076 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 15:49:07,109 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 441 places, 447 transitions, 912 flow [2022-11-25 15:49:07,118 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 441 places, 447 transitions, 912 flow [2022-11-25 15:49:07,119 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 441 places, 447 transitions, 912 flow [2022-11-25 15:49:07,294 INFO L130 PetriNetUnfolder]: 16/447 cut-off events. [2022-11-25 15:49:07,295 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-25 15:49:07,304 INFO L83 FinitePrefix]: Finished finitePrefix Result has 460 conditions, 447 events. 16/447 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 799 event pairs, 0 based on Foata normal form. 0/388 useless extension candidates. Maximal degree in co-relation 308. Up to 2 conditions per place. [2022-11-25 15:49:07,341 INFO L119 LiptonReduction]: Number of co-enabled transitions 65286 [2022-11-25 15:49:22,209 INFO L134 LiptonReduction]: Checked pairs total: 111787 [2022-11-25 15:49:22,210 INFO L136 LiptonReduction]: Total number of compositions: 583 [2022-11-25 15:49:22,229 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 15:49:22,237 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;@a6c0457, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 15:49:22,237 INFO L358 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2022-11-25 15:49:22,239 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-11-25 15:49:22,240 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 15:49:22,240 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 15:49:22,241 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-11-25 15:49:22,241 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-25 15:49:22,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:49:22,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1861, now seen corresponding path program 1 times [2022-11-25 15:49:22,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:49:22,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506830403] [2022-11-25 15:49:22,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:49:22,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:49:22,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:22,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:49:22,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:49:22,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506830403] [2022-11-25 15:49:22,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506830403] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:49:22,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:49:22,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-25 15:49:22,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773125386] [2022-11-25 15:49:22,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:49:22,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 15:49:22,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:49:22,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 15:49:22,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 15:49:22,471 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 452 out of 1056 [2022-11-25 15:49:22,479 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 95 transitions, 208 flow. Second operand has 2 states, 2 states have (on average 452.5) internal successors, (905), 2 states have internal predecessors, (905), 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) [2022-11-25 15:49:22,480 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 15:49:22,480 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 452 of 1056 [2022-11-25 15:49:22,481 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 15:49:24,133 INFO L130 PetriNetUnfolder]: 7651/11050 cut-off events. [2022-11-25 15:49:24,133 INFO L131 PetriNetUnfolder]: For 484/484 co-relation queries the response was YES. [2022-11-25 15:49:24,151 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22300 conditions, 11050 events. 7651/11050 cut-off events. For 484/484 co-relation queries the response was YES. Maximal size of possible extension queue 291. Compared 56863 event pairs, 6833 based on Foata normal form. 819/11040 useless extension candidates. Maximal degree in co-relation 20471. Up to 10840 conditions per place. [2022-11-25 15:49:24,208 INFO L137 encePairwiseOnDemand]: 1011/1056 looper letters, 42 selfloop transitions, 0 changer transitions 3/50 dead transitions. [2022-11-25 15:49:24,209 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 50 transitions, 208 flow [2022-11-25 15:49:24,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 15:49:24,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-25 15:49:24,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 994 transitions. [2022-11-25 15:49:24,234 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4706439393939394 [2022-11-25 15:49:24,235 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 994 transitions. [2022-11-25 15:49:24,236 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 994 transitions. [2022-11-25 15:49:24,242 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:49:24,245 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 994 transitions. [2022-11-25 15:49:24,252 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 497.0) internal successors, (994), 2 states have internal predecessors, (994), 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) [2022-11-25 15:49:24,266 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1056.0) internal successors, (3168), 3 states have internal predecessors, (3168), 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) [2022-11-25 15:49:24,268 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1056.0) internal successors, (3168), 3 states have internal predecessors, (3168), 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) [2022-11-25 15:49:24,271 INFO L175 Difference]: Start difference. First operand has 99 places, 95 transitions, 208 flow. Second operand 2 states and 994 transitions. [2022-11-25 15:49:24,272 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 50 transitions, 208 flow [2022-11-25 15:49:24,287 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 50 transitions, 196 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-11-25 15:49:24,289 INFO L231 Difference]: Finished difference. Result has 52 places, 47 transitions, 98 flow [2022-11-25 15:49:24,292 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1056, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=98, PETRI_PLACES=52, PETRI_TRANSITIONS=47} [2022-11-25 15:49:24,296 INFO L288 CegarLoopForPetriNet]: 99 programPoint places, -47 predicate places. [2022-11-25 15:49:24,297 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 47 transitions, 98 flow [2022-11-25 15:49:24,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 452.5) internal successors, (905), 2 states have internal predecessors, (905), 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) [2022-11-25 15:49:24,298 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 15:49:24,298 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:49:24,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 15:49:24,301 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-25 15:49:24,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:49:24,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1499180247, now seen corresponding path program 1 times [2022-11-25 15:49:24,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:49:24,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982672113] [2022-11-25 15:49:24,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:49:24,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:49:24,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:24,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:49:24,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:49:24,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982672113] [2022-11-25 15:49:24,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982672113] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:49:24,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:49:24,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:49:24,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662253763] [2022-11-25 15:49:24,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:49:24,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:49:24,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:49:24,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:49:24,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:49:24,547 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 446 out of 1056 [2022-11-25 15:49:24,550 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 47 transitions, 98 flow. Second operand has 3 states, 3 states have (on average 449.0) internal successors, (1347), 3 states have internal predecessors, (1347), 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) [2022-11-25 15:49:24,550 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 15:49:24,550 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 446 of 1056 [2022-11-25 15:49:24,551 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 15:49:25,983 INFO L130 PetriNetUnfolder]: 7629/10947 cut-off events. [2022-11-25 15:49:25,984 INFO L131 PetriNetUnfolder]: For 117/117 co-relation queries the response was YES. [2022-11-25 15:49:25,998 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21875 conditions, 10947 events. 7629/10947 cut-off events. For 117/117 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 56259 event pairs, 6151 based on Foata normal form. 0/10120 useless extension candidates. Maximal degree in co-relation 21872. Up to 9505 conditions per place. [2022-11-25 15:49:26,048 INFO L137 encePairwiseOnDemand]: 1052/1056 looper letters, 65 selfloop transitions, 3 changer transitions 2/74 dead transitions. [2022-11-25 15:49:26,048 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 74 transitions, 294 flow [2022-11-25 15:49:26,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:49:26,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-25 15:49:26,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1409 transitions. [2022-11-25 15:49:26,053 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.444760101010101 [2022-11-25 15:49:26,053 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1409 transitions. [2022-11-25 15:49:26,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1409 transitions. [2022-11-25 15:49:26,055 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:49:26,055 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1409 transitions. [2022-11-25 15:49:26,059 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 469.6666666666667) internal successors, (1409), 3 states have internal predecessors, (1409), 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) [2022-11-25 15:49:26,066 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1056.0) internal successors, (4224), 4 states have internal predecessors, (4224), 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) [2022-11-25 15:49:26,069 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1056.0) internal successors, (4224), 4 states have internal predecessors, (4224), 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) [2022-11-25 15:49:26,070 INFO L175 Difference]: Start difference. First operand has 52 places, 47 transitions, 98 flow. Second operand 3 states and 1409 transitions. [2022-11-25 15:49:26,070 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 74 transitions, 294 flow [2022-11-25 15:49:26,071 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 74 transitions, 294 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-25 15:49:26,074 INFO L231 Difference]: Finished difference. Result has 50 places, 45 transitions, 100 flow [2022-11-25 15:49:26,074 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1056, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=100, PETRI_PLACES=50, PETRI_TRANSITIONS=45} [2022-11-25 15:49:26,077 INFO L288 CegarLoopForPetriNet]: 99 programPoint places, -49 predicate places. [2022-11-25 15:49:26,077 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 45 transitions, 100 flow [2022-11-25 15:49:26,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 449.0) internal successors, (1347), 3 states have internal predecessors, (1347), 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) [2022-11-25 15:49:26,079 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 15:49:26,079 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:49:26,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 15:49:26,080 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-25 15:49:26,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:49:26,083 INFO L85 PathProgramCache]: Analyzing trace with hash -239668642, now seen corresponding path program 1 times [2022-11-25 15:49:26,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:49:26,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513805577] [2022-11-25 15:49:26,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:49:26,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:49:26,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:26,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:49:26,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:49:26,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513805577] [2022-11-25 15:49:26,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513805577] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:49:26,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:49:26,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:49:26,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831908326] [2022-11-25 15:49:26,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:49:26,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:49:26,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:49:26,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:49:26,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:49:26,292 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 445 out of 1056 [2022-11-25 15:49:26,294 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 45 transitions, 100 flow. Second operand has 3 states, 3 states have (on average 449.3333333333333) internal successors, (1348), 3 states have internal predecessors, (1348), 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) [2022-11-25 15:49:26,294 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 15:49:26,295 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 445 of 1056 [2022-11-25 15:49:26,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 15:49:27,489 INFO L130 PetriNetUnfolder]: 6995/9907 cut-off events. [2022-11-25 15:49:27,489 INFO L131 PetriNetUnfolder]: For 765/765 co-relation queries the response was YES. [2022-11-25 15:49:27,503 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20728 conditions, 9907 events. 6995/9907 cut-off events. For 765/765 co-relation queries the response was YES. Maximal size of possible extension queue 256. Compared 48600 event pairs, 5637 based on Foata normal form. 262/9654 useless extension candidates. Maximal degree in co-relation 20724. Up to 8741 conditions per place. [2022-11-25 15:49:27,510 INFO L137 encePairwiseOnDemand]: 1053/1056 looper letters, 0 selfloop transitions, 0 changer transitions 70/70 dead transitions. [2022-11-25 15:49:27,510 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 70 transitions, 292 flow [2022-11-25 15:49:27,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:49:27,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-25 15:49:27,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1403 transitions. [2022-11-25 15:49:27,515 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4428661616161616 [2022-11-25 15:49:27,516 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1403 transitions. [2022-11-25 15:49:27,516 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1403 transitions. [2022-11-25 15:49:27,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:49:27,517 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1403 transitions. [2022-11-25 15:49:27,521 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 467.6666666666667) internal successors, (1403), 3 states have internal predecessors, (1403), 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) [2022-11-25 15:49:27,529 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1056.0) internal successors, (4224), 4 states have internal predecessors, (4224), 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) [2022-11-25 15:49:27,532 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1056.0) internal successors, (4224), 4 states have internal predecessors, (4224), 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) [2022-11-25 15:49:27,532 INFO L175 Difference]: Start difference. First operand has 50 places, 45 transitions, 100 flow. Second operand 3 states and 1403 transitions. [2022-11-25 15:49:27,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 70 transitions, 292 flow [2022-11-25 15:49:27,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 70 transitions, 280 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-25 15:49:27,562 INFO L231 Difference]: Finished difference. Result has 48 places, 0 transitions, 0 flow [2022-11-25 15:49:27,563 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1056, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=48, PETRI_TRANSITIONS=0} [2022-11-25 15:49:27,564 INFO L288 CegarLoopForPetriNet]: 99 programPoint places, -51 predicate places. [2022-11-25 15:49:27,564 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 0 transitions, 0 flow [2022-11-25 15:49:27,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 449.3333333333333) internal successors, (1348), 3 states have internal predecessors, (1348), 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) [2022-11-25 15:49:27,568 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (73 of 74 remaining) [2022-11-25 15:49:27,568 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (72 of 74 remaining) [2022-11-25 15:49:27,569 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (71 of 74 remaining) [2022-11-25 15:49:27,569 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (70 of 74 remaining) [2022-11-25 15:49:27,569 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (69 of 74 remaining) [2022-11-25 15:49:27,569 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (68 of 74 remaining) [2022-11-25 15:49:27,570 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (67 of 74 remaining) [2022-11-25 15:49:27,570 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (66 of 74 remaining) [2022-11-25 15:49:27,570 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (65 of 74 remaining) [2022-11-25 15:49:27,571 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (64 of 74 remaining) [2022-11-25 15:49:27,571 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (63 of 74 remaining) [2022-11-25 15:49:27,571 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (62 of 74 remaining) [2022-11-25 15:49:27,571 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (61 of 74 remaining) [2022-11-25 15:49:27,572 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (60 of 74 remaining) [2022-11-25 15:49:27,572 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (59 of 74 remaining) [2022-11-25 15:49:27,572 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (58 of 74 remaining) [2022-11-25 15:49:27,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (57 of 74 remaining) [2022-11-25 15:49:27,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (56 of 74 remaining) [2022-11-25 15:49:27,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (55 of 74 remaining) [2022-11-25 15:49:27,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (54 of 74 remaining) [2022-11-25 15:49:27,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (53 of 74 remaining) [2022-11-25 15:49:27,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (52 of 74 remaining) [2022-11-25 15:49:27,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (51 of 74 remaining) [2022-11-25 15:49:27,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (50 of 74 remaining) [2022-11-25 15:49:27,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (49 of 74 remaining) [2022-11-25 15:49:27,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (48 of 74 remaining) [2022-11-25 15:49:27,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (47 of 74 remaining) [2022-11-25 15:49:27,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (46 of 74 remaining) [2022-11-25 15:49:27,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (45 of 74 remaining) [2022-11-25 15:49:27,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (44 of 74 remaining) [2022-11-25 15:49:27,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (43 of 74 remaining) [2022-11-25 15:49:27,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (42 of 74 remaining) [2022-11-25 15:49:27,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (41 of 74 remaining) [2022-11-25 15:49:27,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (40 of 74 remaining) [2022-11-25 15:49:27,578 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (39 of 74 remaining) [2022-11-25 15:49:27,578 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (38 of 74 remaining) [2022-11-25 15:49:27,578 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (37 of 74 remaining) [2022-11-25 15:49:27,579 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (36 of 74 remaining) [2022-11-25 15:49:27,579 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (35 of 74 remaining) [2022-11-25 15:49:27,579 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (34 of 74 remaining) [2022-11-25 15:49:27,579 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (33 of 74 remaining) [2022-11-25 15:49:27,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (32 of 74 remaining) [2022-11-25 15:49:27,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (31 of 74 remaining) [2022-11-25 15:49:27,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (30 of 74 remaining) [2022-11-25 15:49:27,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 74 remaining) [2022-11-25 15:49:27,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 74 remaining) [2022-11-25 15:49:27,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 74 remaining) [2022-11-25 15:49:27,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (26 of 74 remaining) [2022-11-25 15:49:27,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (25 of 74 remaining) [2022-11-25 15:49:27,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (24 of 74 remaining) [2022-11-25 15:49:27,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (23 of 74 remaining) [2022-11-25 15:49:27,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (22 of 74 remaining) [2022-11-25 15:49:27,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (21 of 74 remaining) [2022-11-25 15:49:27,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (20 of 74 remaining) [2022-11-25 15:49:27,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (19 of 74 remaining) [2022-11-25 15:49:27,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (18 of 74 remaining) [2022-11-25 15:49:27,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (17 of 74 remaining) [2022-11-25 15:49:27,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (16 of 74 remaining) [2022-11-25 15:49:27,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (15 of 74 remaining) [2022-11-25 15:49:27,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (14 of 74 remaining) [2022-11-25 15:49:27,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (13 of 74 remaining) [2022-11-25 15:49:27,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (12 of 74 remaining) [2022-11-25 15:49:27,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (11 of 74 remaining) [2022-11-25 15:49:27,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (10 of 74 remaining) [2022-11-25 15:49:27,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (9 of 74 remaining) [2022-11-25 15:49:27,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (8 of 74 remaining) [2022-11-25 15:49:27,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (7 of 74 remaining) [2022-11-25 15:49:27,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (6 of 74 remaining) [2022-11-25 15:49:27,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (5 of 74 remaining) [2022-11-25 15:49:27,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (4 of 74 remaining) [2022-11-25 15:49:27,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (3 of 74 remaining) [2022-11-25 15:49:27,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (2 of 74 remaining) [2022-11-25 15:49:27,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (1 of 74 remaining) [2022-11-25 15:49:27,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (0 of 74 remaining) [2022-11-25 15:49:27,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 15:49:27,590 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-25 15:49:27,597 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-25 15:49:27,597 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 15:49:27,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 03:49:27 BasicIcfg [2022-11-25 15:49:27,609 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 15:49:27,610 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 15:49:27,610 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 15:49:27,615 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 15:49:27,616 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:49:06" (3/4) ... [2022-11-25 15:49:27,619 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 15:49:27,627 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-25 15:49:27,631 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-25 15:49:27,631 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-25 15:49:27,648 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-11-25 15:49:27,648 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-25 15:49:27,649 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 15:49:27,649 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 15:49:27,747 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f5093df-52d8-4f1d-93c3-b9e0c17433df/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 15:49:27,747 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 15:49:27,748 INFO L158 Benchmark]: Toolchain (without parser) took 23224.15ms. Allocated memory was 165.7MB in the beginning and 471.9MB in the end (delta: 306.2MB). Free memory was 132.6MB in the beginning and 191.2MB in the end (delta: -58.5MB). Peak memory consumption was 250.0MB. Max. memory is 16.1GB. [2022-11-25 15:49:27,749 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 165.7MB. Free memory is still 133.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:49:27,749 INFO L158 Benchmark]: CACSL2BoogieTranslator took 474.39ms. Allocated memory is still 165.7MB. Free memory was 132.0MB in the beginning and 120.2MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 15:49:27,749 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.26ms. Allocated memory is still 165.7MB. Free memory was 119.6MB in the beginning and 117.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:49:27,750 INFO L158 Benchmark]: Boogie Preprocessor took 61.01ms. Allocated memory is still 165.7MB. Free memory was 117.2MB in the beginning and 115.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:49:27,750 INFO L158 Benchmark]: RCFGBuilder took 1143.66ms. Allocated memory is still 165.7MB. Free memory was 114.5MB in the beginning and 85.1MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-25 15:49:27,751 INFO L158 Benchmark]: TraceAbstraction took 21341.15ms. Allocated memory was 165.7MB in the beginning and 471.9MB in the end (delta: 306.2MB). Free memory was 84.5MB in the beginning and 198.7MB in the end (delta: -114.1MB). Peak memory consumption was 310.8MB. Max. memory is 16.1GB. [2022-11-25 15:49:27,751 INFO L158 Benchmark]: Witness Printer took 137.72ms. Allocated memory is still 471.9MB. Free memory was 198.7MB in the beginning and 191.2MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-25 15:49:27,754 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 165.7MB. Free memory is still 133.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 474.39ms. Allocated memory is still 165.7MB. Free memory was 132.0MB in the beginning and 120.2MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.26ms. Allocated memory is still 165.7MB. Free memory was 119.6MB in the beginning and 117.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.01ms. Allocated memory is still 165.7MB. Free memory was 117.2MB in the beginning and 115.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1143.66ms. Allocated memory is still 165.7MB. Free memory was 114.5MB in the beginning and 85.1MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 21341.15ms. Allocated memory was 165.7MB in the beginning and 471.9MB in the end (delta: 306.2MB). Free memory was 84.5MB in the beginning and 198.7MB in the end (delta: -114.1MB). Peak memory consumption was 310.8MB. Max. memory is 16.1GB. * Witness Printer took 137.72ms. Allocated memory is still 471.9MB. Free memory was 198.7MB in the beginning and 191.2MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15.1s, 441 PlacesBefore, 99 PlacesAfterwards, 447 TransitionsBefore, 95 TransitionsAfterwards, 65286 CoEnabledTransitionPairs, 11 FixpointIterations, 162 TrivialSequentialCompositions, 351 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 59 ConcurrentYvCompositions, 10 ChoiceCompositions, 583 TotalNumberOfCompositions, 111787 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 79550, independent: 78894, independent conditional: 0, independent unconditional: 78894, dependent: 656, dependent conditional: 0, dependent unconditional: 656, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 51366, independent: 51262, independent conditional: 0, independent unconditional: 51262, dependent: 104, dependent conditional: 0, dependent unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 51366, independent: 50854, independent conditional: 0, independent unconditional: 50854, dependent: 512, dependent conditional: 0, dependent unconditional: 512, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 512, independent: 408, independent conditional: 0, independent unconditional: 408, dependent: 104, dependent conditional: 0, dependent unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 527, independent: 367, independent conditional: 0, independent unconditional: 367, dependent: 161, dependent conditional: 0, dependent unconditional: 161, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 79550, independent: 27632, independent conditional: 0, independent unconditional: 27632, dependent: 552, dependent conditional: 0, dependent unconditional: 552, unknown: 51366, unknown conditional: 0, unknown unconditional: 51366] , Statistics on independence cache: Total cache size (in pairs): 1398, Positive cache size: 1365, Positive conditional cache size: 0, Positive unconditional cache size: 1365, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: 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: 53]: 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: 53]: 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: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: 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: 61]: 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: 61]: 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: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: 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: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: 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, 726 locations, 74 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: 21.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 15.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 87 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 63 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 286 IncrementalHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 8 mSDtfsCounter, 286 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=208occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 26 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 44 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-25 15:49:27,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f5093df-52d8-4f1d-93c3-b9e0c17433df/bin/uautomizer-ZsLfNo2U6R/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