./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-divine/condvar.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b5237d83 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_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-divine/condvar.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a --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 08550a9d023a2de1ac334a3445fa7327c26092d061f764efe50453540d837a7a --- 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-b5237d8 [2022-11-21 16:35:55,150 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:35:55,152 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:35:55,172 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:35:55,172 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:35:55,174 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:35:55,175 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:35:55,177 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:35:55,179 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:35:55,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:35:55,182 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:35:55,183 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:35:55,184 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:35:55,185 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:35:55,186 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:35:55,188 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:35:55,189 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:35:55,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:35:55,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:35:55,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:35:55,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:35:55,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:35:55,198 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:35:55,199 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:35:55,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:35:55,204 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:35:55,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:35:55,205 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:35:55,206 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:35:55,207 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:35:55,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:35:55,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:35:55,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:35:55,209 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:35:55,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:35:55,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:35:55,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:35:55,212 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:35:55,212 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:35:55,214 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:35:55,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:35:55,215 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-21 16:35:55,239 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:35:55,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:35:55,240 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:35:55,240 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:35:55,241 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:35:55,242 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:35:55,242 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:35:55,243 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:35:55,243 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:35:55,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:35:55,244 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:35:55,244 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:35:55,244 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:35:55,244 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:35:55,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:35:55,245 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:35:55,245 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:35:55,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:35:55,246 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-21 16:35:55,246 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:35:55,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:35:55,247 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:35:55,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:35:55,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:35:55,247 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:35:55,248 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:35:55,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:35:55,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:35:55,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:35:55,249 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:35:55,249 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:35:55,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:35:55,249 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:35:55,250 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:35:55,250 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:35:55,250 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_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08550a9d023a2de1ac334a3445fa7327c26092d061f764efe50453540d837a7a [2022-11-21 16:35:55,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:35:55,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:35:55,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:35:55,561 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:35:55,561 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:35:55,562 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/pthread-divine/condvar.i [2022-11-21 16:35:58,703 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:35:58,943 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:35:58,943 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/sv-benchmarks/c/pthread-divine/condvar.i [2022-11-21 16:35:58,955 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/data/0464eae46/1c0469b860c9452caf729f73b22c462a/FLAG7d57b2131 [2022-11-21 16:35:58,976 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/data/0464eae46/1c0469b860c9452caf729f73b22c462a [2022-11-21 16:35:58,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:35:58,982 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:35:58,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:35:58,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:35:58,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:35:58,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:35:58" (1/1) ... [2022-11-21 16:35:58,995 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3909a432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:58, skipping insertion in model container [2022-11-21 16:35:58,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:35:58" (1/1) ... [2022-11-21 16:35:59,006 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:35:59,041 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:35:59,197 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 16:35:59,439 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_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/sv-benchmarks/c/pthread-divine/condvar.i[30458,30471] [2022-11-21 16:35:59,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:35:59,469 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:35:59,480 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 16:35:59,510 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_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/sv-benchmarks/c/pthread-divine/condvar.i[30458,30471] [2022-11-21 16:35:59,515 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:35:59,556 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:35:59,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:59 WrapperNode [2022-11-21 16:35:59,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:35:59,558 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:35:59,558 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:35:59,558 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:35:59,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:59" (1/1) ... [2022-11-21 16:35:59,580 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:59" (1/1) ... [2022-11-21 16:35:59,614 INFO L138 Inliner]: procedures = 169, calls = 35, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 69 [2022-11-21 16:35:59,615 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:35:59,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:35:59,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:35:59,616 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:35:59,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:59" (1/1) ... [2022-11-21 16:35:59,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:59" (1/1) ... [2022-11-21 16:35:59,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:59" (1/1) ... [2022-11-21 16:35:59,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:59" (1/1) ... [2022-11-21 16:35:59,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:59" (1/1) ... [2022-11-21 16:35:59,666 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:59" (1/1) ... [2022-11-21 16:35:59,669 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:59" (1/1) ... [2022-11-21 16:35:59,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:59" (1/1) ... [2022-11-21 16:35:59,673 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:35:59,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:35:59,674 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:35:59,674 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:35:59,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:59" (1/1) ... [2022-11-21 16:35:59,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:35:59,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:35:59,710 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:35:59,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:35:59,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 16:35:59,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:35:59,753 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-21 16:35:59,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:35:59,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:35:59,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:35:59,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:35:59,754 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2022-11-21 16:35:59,754 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2022-11-21 16:35:59,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:35:59,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:35:59,756 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 16:35:59,976 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:35:59,979 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:36:00,332 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:36:00,349 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:36:00,349 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 16:36:00,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:36:00 BoogieIcfgContainer [2022-11-21 16:36:00,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:36:00,354 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:36:00,354 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:36:00,360 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:36:00,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:35:58" (1/3) ... [2022-11-21 16:36:00,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c8bd66e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:36:00, skipping insertion in model container [2022-11-21 16:36:00,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:59" (2/3) ... [2022-11-21 16:36:00,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c8bd66e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:36:00, skipping insertion in model container [2022-11-21 16:36:00,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:36:00" (3/3) ... [2022-11-21 16:36:00,365 INFO L112 eAbstractionObserver]: Analyzing ICFG condvar.i [2022-11-21 16:36:00,375 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-21 16:36:00,387 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:36:00,387 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-11-21 16:36:00,388 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 16:36:00,490 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-21 16:36:00,527 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 98 places, 99 transitions, 206 flow [2022-11-21 16:36:00,581 INFO L130 PetriNetUnfolder]: 5/98 cut-off events. [2022-11-21 16:36:00,582 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-21 16:36:00,587 INFO L83 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 98 events. 5/98 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 116 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 49. Up to 2 conditions per place. [2022-11-21 16:36:00,587 INFO L82 GeneralOperation]: Start removeDead. Operand has 98 places, 99 transitions, 206 flow [2022-11-21 16:36:00,592 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 90 places, 91 transitions, 185 flow [2022-11-21 16:36:00,603 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:36:00,610 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;@6e1ea3a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:36:00,611 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-21 16:36:00,629 INFO L130 PetriNetUnfolder]: 1/56 cut-off events. [2022-11-21 16:36:00,630 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 16:36:00,630 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:36:00,631 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] [2022-11-21 16:36:00,631 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-21 16:36:00,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:36:00,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1555367986, now seen corresponding path program 1 times [2022-11-21 16:36:00,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:36:00,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739925935] [2022-11-21 16:36:00,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:36:00,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:36:00,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:00,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:36:00,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:36:00,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739925935] [2022-11-21 16:36:00,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739925935] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:36:00,999 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:36:00,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:36:01,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871282902] [2022-11-21 16:36:01,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:36:01,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:36:01,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:36:01,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:36:01,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:36:01,047 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 99 [2022-11-21 16:36:01,050 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 91 transitions, 185 flow. Second operand has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 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) [2022-11-21 16:36:01,051 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:36:01,051 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 99 [2022-11-21 16:36:01,052 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:36:01,135 INFO L130 PetriNetUnfolder]: 17/173 cut-off events. [2022-11-21 16:36:01,141 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-21 16:36:01,143 INFO L83 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 173 events. 17/173 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 582 event pairs, 2 based on Foata normal form. 10/156 useless extension candidates. Maximal degree in co-relation 167. Up to 22 conditions per place. [2022-11-21 16:36:01,147 INFO L137 encePairwiseOnDemand]: 92/99 looper letters, 9 selfloop transitions, 3 changer transitions 0/93 dead transitions. [2022-11-21 16:36:01,150 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 93 transitions, 213 flow [2022-11-21 16:36:01,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:36:01,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:36:01,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 283 transitions. [2022-11-21 16:36:01,173 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9528619528619529 [2022-11-21 16:36:01,174 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 283 transitions. [2022-11-21 16:36:01,175 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 283 transitions. [2022-11-21 16:36:01,180 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:36:01,183 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 283 transitions. [2022-11-21 16:36:01,191 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 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) [2022-11-21 16:36:01,200 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 99.0) internal successors, (396), 4 states have internal predecessors, (396), 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) [2022-11-21 16:36:01,201 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 99.0) internal successors, (396), 4 states have internal predecessors, (396), 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) [2022-11-21 16:36:01,203 INFO L175 Difference]: Start difference. First operand has 90 places, 91 transitions, 185 flow. Second operand 3 states and 283 transitions. [2022-11-21 16:36:01,205 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 93 transitions, 213 flow [2022-11-21 16:36:01,209 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 93 transitions, 212 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:36:01,224 INFO L231 Difference]: Finished difference. Result has 93 places, 91 transitions, 204 flow [2022-11-21 16:36:01,226 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=204, PETRI_PLACES=93, PETRI_TRANSITIONS=91} [2022-11-21 16:36:01,234 INFO L288 CegarLoopForPetriNet]: 90 programPoint places, 3 predicate places. [2022-11-21 16:36:01,235 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 91 transitions, 204 flow [2022-11-21 16:36:01,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 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) [2022-11-21 16:36:01,236 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:36:01,236 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] [2022-11-21 16:36:01,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:36:01,237 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-21 16:36:01,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:36:01,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1860223654, now seen corresponding path program 1 times [2022-11-21 16:36:01,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:36:01,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145607786] [2022-11-21 16:36:01,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:36:01,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:36:01,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:01,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:36:01,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:36:01,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145607786] [2022-11-21 16:36:01,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145607786] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:36:01,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:36:01,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:36:01,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683800671] [2022-11-21 16:36:01,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:36:01,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:36:01,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:36:01,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:36:01,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:36:01,430 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 99 [2022-11-21 16:36:01,431 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 91 transitions, 204 flow. Second operand has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 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) [2022-11-21 16:36:01,431 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:36:01,432 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 99 [2022-11-21 16:36:01,432 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:36:01,494 INFO L130 PetriNetUnfolder]: 17/211 cut-off events. [2022-11-21 16:36:01,495 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-11-21 16:36:01,496 INFO L83 FinitePrefix]: Finished finitePrefix Result has 274 conditions, 211 events. 17/211 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 726 event pairs, 2 based on Foata normal form. 0/180 useless extension candidates. Maximal degree in co-relation 225. Up to 19 conditions per place. [2022-11-21 16:36:01,497 INFO L137 encePairwiseOnDemand]: 95/99 looper letters, 8 selfloop transitions, 3 changer transitions 0/95 dead transitions. [2022-11-21 16:36:01,497 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 95 transitions, 234 flow [2022-11-21 16:36:01,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:36:01,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:36:01,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 276 transitions. [2022-11-21 16:36:01,499 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9292929292929293 [2022-11-21 16:36:01,500 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 276 transitions. [2022-11-21 16:36:01,500 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 276 transitions. [2022-11-21 16:36:01,500 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:36:01,500 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 276 transitions. [2022-11-21 16:36:01,501 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 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) [2022-11-21 16:36:01,503 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 99.0) internal successors, (396), 4 states have internal predecessors, (396), 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) [2022-11-21 16:36:01,503 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 99.0) internal successors, (396), 4 states have internal predecessors, (396), 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) [2022-11-21 16:36:01,504 INFO L175 Difference]: Start difference. First operand has 93 places, 91 transitions, 204 flow. Second operand 3 states and 276 transitions. [2022-11-21 16:36:01,504 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 95 transitions, 234 flow [2022-11-21 16:36:01,505 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 95 transitions, 228 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:36:01,507 INFO L231 Difference]: Finished difference. Result has 95 places, 93 transitions, 220 flow [2022-11-21 16:36:01,508 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=220, PETRI_PLACES=95, PETRI_TRANSITIONS=93} [2022-11-21 16:36:01,508 INFO L288 CegarLoopForPetriNet]: 90 programPoint places, 5 predicate places. [2022-11-21 16:36:01,509 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 93 transitions, 220 flow [2022-11-21 16:36:01,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 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) [2022-11-21 16:36:01,509 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:36:01,510 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] [2022-11-21 16:36:01,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:36:01,510 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-21 16:36:01,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:36:01,511 INFO L85 PathProgramCache]: Analyzing trace with hash -794083085, now seen corresponding path program 1 times [2022-11-21 16:36:01,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:36:01,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510476275] [2022-11-21 16:36:01,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:36:01,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:36:01,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:01,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:36:01,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:36:01,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510476275] [2022-11-21 16:36:01,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510476275] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:36:01,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:36:01,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:36:01,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019823837] [2022-11-21 16:36:01,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:36:01,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:36:01,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:36:01,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:36:01,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:36:01,627 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 99 [2022-11-21 16:36:01,628 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 93 transitions, 220 flow. Second operand has 3 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 states have internal predecessors, (265), 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) [2022-11-21 16:36:01,628 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:36:01,628 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 99 [2022-11-21 16:36:01,629 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:36:01,688 INFO L130 PetriNetUnfolder]: 12/217 cut-off events. [2022-11-21 16:36:01,688 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-11-21 16:36:01,690 INFO L83 FinitePrefix]: Finished finitePrefix Result has 295 conditions, 217 events. 12/217 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 847 event pairs, 3 based on Foata normal form. 0/188 useless extension candidates. Maximal degree in co-relation 244. Up to 21 conditions per place. [2022-11-21 16:36:01,691 INFO L137 encePairwiseOnDemand]: 96/99 looper letters, 10 selfloop transitions, 2 changer transitions 0/97 dead transitions. [2022-11-21 16:36:01,691 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 97 transitions, 252 flow [2022-11-21 16:36:01,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:36:01,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:36:01,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 274 transitions. [2022-11-21 16:36:01,693 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9225589225589226 [2022-11-21 16:36:01,693 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 274 transitions. [2022-11-21 16:36:01,694 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 274 transitions. [2022-11-21 16:36:01,730 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:36:01,730 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 274 transitions. [2022-11-21 16:36:01,731 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 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) [2022-11-21 16:36:01,733 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 99.0) internal successors, (396), 4 states have internal predecessors, (396), 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) [2022-11-21 16:36:01,733 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 99.0) internal successors, (396), 4 states have internal predecessors, (396), 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) [2022-11-21 16:36:01,734 INFO L175 Difference]: Start difference. First operand has 95 places, 93 transitions, 220 flow. Second operand 3 states and 274 transitions. [2022-11-21 16:36:01,734 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 97 transitions, 252 flow [2022-11-21 16:36:01,736 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 97 transitions, 246 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:36:01,738 INFO L231 Difference]: Finished difference. Result has 96 places, 94 transitions, 226 flow [2022-11-21 16:36:01,738 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=226, PETRI_PLACES=96, PETRI_TRANSITIONS=94} [2022-11-21 16:36:01,754 INFO L288 CegarLoopForPetriNet]: 90 programPoint places, 6 predicate places. [2022-11-21 16:36:01,754 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 94 transitions, 226 flow [2022-11-21 16:36:01,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 states have internal predecessors, (265), 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) [2022-11-21 16:36:01,755 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:36:01,755 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] [2022-11-21 16:36:01,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:36:01,756 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-21 16:36:01,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:36:01,757 INFO L85 PathProgramCache]: Analyzing trace with hash -794843301, now seen corresponding path program 1 times [2022-11-21 16:36:01,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:36:01,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147243015] [2022-11-21 16:36:01,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:36:01,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:36:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:01,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:36:01,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:36:01,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147243015] [2022-11-21 16:36:01,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147243015] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:36:01,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:36:01,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:36:01,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766136288] [2022-11-21 16:36:01,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:36:01,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:36:01,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:36:01,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:36:01,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:36:01,848 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 99 [2022-11-21 16:36:01,848 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 94 transitions, 226 flow. Second operand has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 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) [2022-11-21 16:36:01,848 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:36:01,849 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 99 [2022-11-21 16:36:01,849 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:36:01,936 INFO L130 PetriNetUnfolder]: 39/335 cut-off events. [2022-11-21 16:36:01,936 INFO L131 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2022-11-21 16:36:01,941 INFO L83 FinitePrefix]: Finished finitePrefix Result has 514 conditions, 335 events. 39/335 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1690 event pairs, 13 based on Foata normal form. 0/294 useless extension candidates. Maximal degree in co-relation 462. Up to 60 conditions per place. [2022-11-21 16:36:01,943 INFO L137 encePairwiseOnDemand]: 94/99 looper letters, 13 selfloop transitions, 5 changer transitions 0/100 dead transitions. [2022-11-21 16:36:01,943 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 100 transitions, 282 flow [2022-11-21 16:36:01,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:36:01,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:36:01,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 271 transitions. [2022-11-21 16:36:01,946 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9124579124579124 [2022-11-21 16:36:01,946 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 271 transitions. [2022-11-21 16:36:01,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 271 transitions. [2022-11-21 16:36:01,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:36:01,948 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 271 transitions. [2022-11-21 16:36:01,951 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 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) [2022-11-21 16:36:01,954 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 99.0) internal successors, (396), 4 states have internal predecessors, (396), 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) [2022-11-21 16:36:01,954 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 99.0) internal successors, (396), 4 states have internal predecessors, (396), 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) [2022-11-21 16:36:01,955 INFO L175 Difference]: Start difference. First operand has 96 places, 94 transitions, 226 flow. Second operand 3 states and 271 transitions. [2022-11-21 16:36:01,955 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 100 transitions, 282 flow [2022-11-21 16:36:01,958 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 100 transitions, 280 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:36:01,961 INFO L231 Difference]: Finished difference. Result has 99 places, 97 transitions, 260 flow [2022-11-21 16:36:01,961 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=260, PETRI_PLACES=99, PETRI_TRANSITIONS=97} [2022-11-21 16:36:01,964 INFO L288 CegarLoopForPetriNet]: 90 programPoint places, 9 predicate places. [2022-11-21 16:36:01,970 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 97 transitions, 260 flow [2022-11-21 16:36:01,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 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) [2022-11-21 16:36:01,971 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:36:01,972 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] [2022-11-21 16:36:01,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 16:36:01,974 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-21 16:36:01,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:36:01,979 INFO L85 PathProgramCache]: Analyzing trace with hash 160342075, now seen corresponding path program 1 times [2022-11-21 16:36:01,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:36:01,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555032291] [2022-11-21 16:36:01,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:36:01,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:36:02,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:02,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:36:02,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:36:02,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555032291] [2022-11-21 16:36:02,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555032291] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:36:02,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:36:02,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:36:02,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506577809] [2022-11-21 16:36:02,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:36:02,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:36:02,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:36:02,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:36:02,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:36:02,124 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 99 [2022-11-21 16:36:02,125 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 97 transitions, 260 flow. Second operand has 3 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 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) [2022-11-21 16:36:02,125 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:36:02,125 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 99 [2022-11-21 16:36:02,125 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:36:02,156 INFO L130 PetriNetUnfolder]: 6/148 cut-off events. [2022-11-21 16:36:02,156 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-11-21 16:36:02,157 INFO L83 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 148 events. 6/148 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 357 event pairs, 0 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 148. Up to 8 conditions per place. [2022-11-21 16:36:02,158 INFO L137 encePairwiseOnDemand]: 96/99 looper letters, 4 selfloop transitions, 2 changer transitions 0/91 dead transitions. [2022-11-21 16:36:02,158 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 91 transitions, 236 flow [2022-11-21 16:36:02,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:36:02,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:36:02,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 277 transitions. [2022-11-21 16:36:02,160 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9326599326599326 [2022-11-21 16:36:02,160 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 277 transitions. [2022-11-21 16:36:02,160 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 277 transitions. [2022-11-21 16:36:02,160 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:36:02,161 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 277 transitions. [2022-11-21 16:36:02,162 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 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) [2022-11-21 16:36:02,162 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 99.0) internal successors, (396), 4 states have internal predecessors, (396), 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) [2022-11-21 16:36:02,163 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 99.0) internal successors, (396), 4 states have internal predecessors, (396), 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) [2022-11-21 16:36:02,163 INFO L175 Difference]: Start difference. First operand has 99 places, 97 transitions, 260 flow. Second operand 3 states and 277 transitions. [2022-11-21 16:36:02,163 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 91 transitions, 236 flow [2022-11-21 16:36:02,167 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 91 transitions, 218 flow, removed 4 selfloop flow, removed 6 redundant places. [2022-11-21 16:36:02,169 INFO L231 Difference]: Finished difference. Result has 94 places, 90 transitions, 212 flow [2022-11-21 16:36:02,170 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=212, PETRI_PLACES=94, PETRI_TRANSITIONS=90} [2022-11-21 16:36:02,173 INFO L288 CegarLoopForPetriNet]: 90 programPoint places, 4 predicate places. [2022-11-21 16:36:02,173 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 90 transitions, 212 flow [2022-11-21 16:36:02,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 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) [2022-11-21 16:36:02,174 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:36:02,174 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] [2022-11-21 16:36:02,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 16:36:02,175 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-21 16:36:02,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:36:02,180 INFO L85 PathProgramCache]: Analyzing trace with hash 832672352, now seen corresponding path program 1 times [2022-11-21 16:36:02,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:36:02,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890290682] [2022-11-21 16:36:02,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:36:02,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:36:02,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:02,368 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:36:02,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:36:02,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890290682] [2022-11-21 16:36:02,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890290682] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:36:02,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454234908] [2022-11-21 16:36:02,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:36:02,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:36:02,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:36:02,378 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:36:02,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-21 16:36:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:02,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-21 16:36:02,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:36:02,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 16:36:02,549 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:36:02,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [454234908] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:36:02,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 16:36:02,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-21 16:36:02,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812558988] [2022-11-21 16:36:02,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:36:02,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:36:02,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:36:02,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:36:02,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:36:02,555 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 99 [2022-11-21 16:36:02,584 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 90 transitions, 212 flow. Second operand has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 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) [2022-11-21 16:36:02,585 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:36:02,585 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 99 [2022-11-21 16:36:02,585 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:36:02,658 INFO L130 PetriNetUnfolder]: 25/231 cut-off events. [2022-11-21 16:36:02,658 INFO L131 PetriNetUnfolder]: For 20/24 co-relation queries the response was YES. [2022-11-21 16:36:02,659 INFO L83 FinitePrefix]: Finished finitePrefix Result has 339 conditions, 231 events. 25/231 cut-off events. For 20/24 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 941 event pairs, 5 based on Foata normal form. 1/212 useless extension candidates. Maximal degree in co-relation 286. Up to 40 conditions per place. [2022-11-21 16:36:02,661 INFO L137 encePairwiseOnDemand]: 94/99 looper letters, 14 selfloop transitions, 6 changer transitions 0/97 dead transitions. [2022-11-21 16:36:02,661 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 97 transitions, 276 flow [2022-11-21 16:36:02,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:36:02,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:36:02,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 271 transitions. [2022-11-21 16:36:02,664 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9124579124579124 [2022-11-21 16:36:02,664 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 271 transitions. [2022-11-21 16:36:02,664 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 271 transitions. [2022-11-21 16:36:02,665 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:36:02,665 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 271 transitions. [2022-11-21 16:36:02,666 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 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) [2022-11-21 16:36:02,667 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 99.0) internal successors, (396), 4 states have internal predecessors, (396), 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) [2022-11-21 16:36:02,667 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 99.0) internal successors, (396), 4 states have internal predecessors, (396), 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) [2022-11-21 16:36:02,668 INFO L175 Difference]: Start difference. First operand has 94 places, 90 transitions, 212 flow. Second operand 3 states and 271 transitions. [2022-11-21 16:36:02,668 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 97 transitions, 276 flow [2022-11-21 16:36:02,671 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 97 transitions, 272 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:36:02,675 INFO L231 Difference]: Finished difference. Result has 96 places, 94 transitions, 254 flow [2022-11-21 16:36:02,675 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=254, PETRI_PLACES=96, PETRI_TRANSITIONS=94} [2022-11-21 16:36:02,678 INFO L288 CegarLoopForPetriNet]: 90 programPoint places, 6 predicate places. [2022-11-21 16:36:02,679 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 94 transitions, 254 flow [2022-11-21 16:36:02,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 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) [2022-11-21 16:36:02,684 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:36:02,684 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:36:02,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-21 16:36:02,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-21 16:36:02,891 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-21 16:36:02,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:36:02,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1500992215, now seen corresponding path program 1 times [2022-11-21 16:36:02,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:36:02,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139313221] [2022-11-21 16:36:02,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:36:02,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:36:02,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:03,066 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:36:03,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:36:03,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139313221] [2022-11-21 16:36:03,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139313221] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:36:03,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1957202125] [2022-11-21 16:36:03,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:36:03,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:36:03,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:36:03,072 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:36:03,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-21 16:36:03,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:03,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 16:36:03,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:36:03,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:36:03,273 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:36:03,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:36:03,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1957202125] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:36:03,334 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 16:36:03,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-21 16:36:03,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454763136] [2022-11-21 16:36:03,335 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 16:36:03,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-21 16:36:03,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:36:03,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-21 16:36:03,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:36:03,340 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 99 [2022-11-21 16:36:03,342 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 94 transitions, 254 flow. Second operand has 10 states, 10 states have (on average 88.1) internal successors, (881), 10 states have internal predecessors, (881), 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) [2022-11-21 16:36:03,342 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:36:03,343 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 99 [2022-11-21 16:36:03,343 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:36:03,474 INFO L130 PetriNetUnfolder]: 15/195 cut-off events. [2022-11-21 16:36:03,474 INFO L131 PetriNetUnfolder]: For 37/40 co-relation queries the response was YES. [2022-11-21 16:36:03,475 INFO L83 FinitePrefix]: Finished finitePrefix Result has 304 conditions, 195 events. 15/195 cut-off events. For 37/40 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 579 event pairs, 0 based on Foata normal form. 2/185 useless extension candidates. Maximal degree in co-relation 251. Up to 23 conditions per place. [2022-11-21 16:36:03,476 INFO L137 encePairwiseOnDemand]: 93/99 looper letters, 11 selfloop transitions, 9 changer transitions 0/104 dead transitions. [2022-11-21 16:36:03,476 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 104 transitions, 316 flow [2022-11-21 16:36:03,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 16:36:03,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-11-21 16:36:03,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 796 transitions. [2022-11-21 16:36:03,479 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8933782267115601 [2022-11-21 16:36:03,480 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 796 transitions. [2022-11-21 16:36:03,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 796 transitions. [2022-11-21 16:36:03,480 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:36:03,481 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 796 transitions. [2022-11-21 16:36:03,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 88.44444444444444) internal successors, (796), 9 states have internal predecessors, (796), 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) [2022-11-21 16:36:03,485 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 99.0) internal successors, (990), 10 states have internal predecessors, (990), 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) [2022-11-21 16:36:03,486 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 99.0) internal successors, (990), 10 states have internal predecessors, (990), 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) [2022-11-21 16:36:03,486 INFO L175 Difference]: Start difference. First operand has 96 places, 94 transitions, 254 flow. Second operand 9 states and 796 transitions. [2022-11-21 16:36:03,486 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 104 transitions, 316 flow [2022-11-21 16:36:03,490 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 104 transitions, 304 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:36:03,492 INFO L231 Difference]: Finished difference. Result has 105 places, 100 transitions, 292 flow [2022-11-21 16:36:03,492 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=292, PETRI_PLACES=105, PETRI_TRANSITIONS=100} [2022-11-21 16:36:03,494 INFO L288 CegarLoopForPetriNet]: 90 programPoint places, 15 predicate places. [2022-11-21 16:36:03,494 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 100 transitions, 292 flow [2022-11-21 16:36:03,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 88.1) internal successors, (881), 10 states have internal predecessors, (881), 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) [2022-11-21 16:36:03,495 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:36:03,495 INFO L209 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:36:03,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-21 16:36:03,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-21 16:36:03,701 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-21 16:36:03,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:36:03,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1375735579, now seen corresponding path program 2 times [2022-11-21 16:36:03,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:36:03,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130121874] [2022-11-21 16:36:03,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:36:03,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:36:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:03,918 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:36:03,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:36:03,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130121874] [2022-11-21 16:36:03,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130121874] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:36:03,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1714811655] [2022-11-21 16:36:03,919 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-21 16:36:03,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:36:03,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:36:03,921 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:36:03,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-21 16:36:04,033 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-21 16:36:04,033 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 16:36:04,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 16:36:04,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:36:04,140 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:36:04,140 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:36:04,276 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:36:04,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1714811655] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:36:04,276 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 16:36:04,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-11-21 16:36:04,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061624437] [2022-11-21 16:36:04,277 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 16:36:04,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-21 16:36:04,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:36:04,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-21 16:36:04,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-11-21 16:36:04,296 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 99 [2022-11-21 16:36:04,298 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 100 transitions, 292 flow. Second operand has 18 states, 18 states have (on average 88.27777777777777) internal successors, (1589), 18 states have internal predecessors, (1589), 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) [2022-11-21 16:36:04,298 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:36:04,298 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 99 [2022-11-21 16:36:04,298 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:36:04,568 INFO L130 PetriNetUnfolder]: 15/231 cut-off events. [2022-11-21 16:36:04,569 INFO L131 PetriNetUnfolder]: For 47/50 co-relation queries the response was YES. [2022-11-21 16:36:04,570 INFO L83 FinitePrefix]: Finished finitePrefix Result has 395 conditions, 231 events. 15/231 cut-off events. For 47/50 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 575 event pairs, 0 based on Foata normal form. 4/222 useless extension candidates. Maximal degree in co-relation 340. Up to 23 conditions per place. [2022-11-21 16:36:04,571 INFO L137 encePairwiseOnDemand]: 93/99 looper letters, 19 selfloop transitions, 21 changer transitions 0/124 dead transitions. [2022-11-21 16:36:04,571 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 124 transitions, 480 flow [2022-11-21 16:36:04,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-21 16:36:04,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2022-11-21 16:36:04,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1850 transitions. [2022-11-21 16:36:04,576 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8898508898508899 [2022-11-21 16:36:04,576 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1850 transitions. [2022-11-21 16:36:04,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1850 transitions. [2022-11-21 16:36:04,578 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:36:04,578 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1850 transitions. [2022-11-21 16:36:04,582 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 88.0952380952381) internal successors, (1850), 21 states have internal predecessors, (1850), 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) [2022-11-21 16:36:04,587 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 99.0) internal successors, (2178), 22 states have internal predecessors, (2178), 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) [2022-11-21 16:36:04,588 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 99.0) internal successors, (2178), 22 states have internal predecessors, (2178), 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) [2022-11-21 16:36:04,588 INFO L175 Difference]: Start difference. First operand has 105 places, 100 transitions, 292 flow. Second operand 21 states and 1850 transitions. [2022-11-21 16:36:04,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 124 transitions, 480 flow [2022-11-21 16:36:04,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 124 transitions, 466 flow, removed 6 selfloop flow, removed 1 redundant places. [2022-11-21 16:36:04,592 INFO L231 Difference]: Finished difference. Result has 129 places, 113 transitions, 416 flow [2022-11-21 16:36:04,593 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=416, PETRI_PLACES=129, PETRI_TRANSITIONS=113} [2022-11-21 16:36:04,593 INFO L288 CegarLoopForPetriNet]: 90 programPoint places, 39 predicate places. [2022-11-21 16:36:04,594 INFO L495 AbstractCegarLoop]: Abstraction has has 129 places, 113 transitions, 416 flow [2022-11-21 16:36:04,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 88.27777777777777) internal successors, (1589), 18 states have internal predecessors, (1589), 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) [2022-11-21 16:36:04,595 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:36:04,595 INFO L209 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:36:04,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-21 16:36:04,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:36:04,811 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-21 16:36:04,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:36:04,812 INFO L85 PathProgramCache]: Analyzing trace with hash 145926911, now seen corresponding path program 3 times [2022-11-21 16:36:04,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:36:04,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348083559] [2022-11-21 16:36:04,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:36:04,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:36:04,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:05,185 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:36:05,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:36:05,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348083559] [2022-11-21 16:36:05,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348083559] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:36:05,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [723723361] [2022-11-21 16:36:05,187 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-21 16:36:05,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:36:05,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:36:05,188 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:36:05,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-21 16:36:05,302 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-11-21 16:36:05,302 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 16:36:05,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-21 16:36:05,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:36:05,468 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:36:05,468 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:36:05,861 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:36:05,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [723723361] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:36:05,862 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 16:36:05,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2022-11-21 16:36:05,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257595889] [2022-11-21 16:36:05,862 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 16:36:05,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-11-21 16:36:05,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:36:05,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-11-21 16:36:05,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2022-11-21 16:36:05,868 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 99 [2022-11-21 16:36:05,872 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 113 transitions, 416 flow. Second operand has 34 states, 34 states have (on average 88.38235294117646) internal successors, (3005), 34 states have internal predecessors, (3005), 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) [2022-11-21 16:36:05,873 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:36:05,873 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 99 [2022-11-21 16:36:05,873 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:36:06,622 INFO L130 PetriNetUnfolder]: 15/303 cut-off events. [2022-11-21 16:36:06,622 INFO L131 PetriNetUnfolder]: For 279/282 co-relation queries the response was YES. [2022-11-21 16:36:06,623 INFO L83 FinitePrefix]: Finished finitePrefix Result has 638 conditions, 303 events. 15/303 cut-off events. For 279/282 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 575 event pairs, 0 based on Foata normal form. 8/298 useless extension candidates. Maximal degree in co-relation 578. Up to 27 conditions per place. [2022-11-21 16:36:06,625 INFO L137 encePairwiseOnDemand]: 93/99 looper letters, 35 selfloop transitions, 45 changer transitions 0/164 dead transitions. [2022-11-21 16:36:06,625 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 164 transitions, 892 flow [2022-11-21 16:36:06,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-11-21 16:36:06,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2022-11-21 16:36:06,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 3958 transitions. [2022-11-21 16:36:06,634 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8884399551066218 [2022-11-21 16:36:06,634 INFO L72 ComplementDD]: Start complementDD. Operand 45 states and 3958 transitions. [2022-11-21 16:36:06,634 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 3958 transitions. [2022-11-21 16:36:06,637 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:36:06,637 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 45 states and 3958 transitions. [2022-11-21 16:36:06,647 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 46 states, 45 states have (on average 87.95555555555555) internal successors, (3958), 45 states have internal predecessors, (3958), 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) [2022-11-21 16:36:06,657 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 46 states, 46 states have (on average 99.0) internal successors, (4554), 46 states have internal predecessors, (4554), 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) [2022-11-21 16:36:06,660 INFO L81 ComplementDD]: Finished complementDD. Result has 46 states, 46 states have (on average 99.0) internal successors, (4554), 46 states have internal predecessors, (4554), 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) [2022-11-21 16:36:06,660 INFO L175 Difference]: Start difference. First operand has 129 places, 113 transitions, 416 flow. Second operand 45 states and 3958 transitions. [2022-11-21 16:36:06,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 164 transitions, 892 flow [2022-11-21 16:36:06,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 164 transitions, 852 flow, removed 14 selfloop flow, removed 6 redundant places. [2022-11-21 16:36:06,668 INFO L231 Difference]: Finished difference. Result has 176 places, 138 transitions, 694 flow [2022-11-21 16:36:06,668 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=392, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=694, PETRI_PLACES=176, PETRI_TRANSITIONS=138} [2022-11-21 16:36:06,669 INFO L288 CegarLoopForPetriNet]: 90 programPoint places, 86 predicate places. [2022-11-21 16:36:06,670 INFO L495 AbstractCegarLoop]: Abstraction has has 176 places, 138 transitions, 694 flow [2022-11-21 16:36:06,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 88.38235294117646) internal successors, (3005), 34 states have internal predecessors, (3005), 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) [2022-11-21 16:36:06,671 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:36:06,672 INFO L209 CegarLoopForPetriNet]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:36:06,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-21 16:36:06,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:36:06,883 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-21 16:36:06,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:36:06,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1866871937, now seen corresponding path program 4 times [2022-11-21 16:36:06,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:36:06,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297481295] [2022-11-21 16:36:06,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:36:06,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:36:06,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:08,056 INFO L134 CoverageAnalysis]: Checked inductivity of 960 backedges. 0 proven. 960 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:36:08,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:36:08,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297481295] [2022-11-21 16:36:08,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297481295] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:36:08,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [770745029] [2022-11-21 16:36:08,057 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-21 16:36:08,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:36:08,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:36:08,059 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:36:08,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-21 16:36:08,184 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-21 16:36:08,184 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 16:36:08,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-21 16:36:08,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:36:08,429 INFO L134 CoverageAnalysis]: Checked inductivity of 960 backedges. 0 proven. 960 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:36:08,429 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:36:09,703 INFO L134 CoverageAnalysis]: Checked inductivity of 960 backedges. 0 proven. 960 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:36:09,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [770745029] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:36:09,704 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 16:36:09,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 66 [2022-11-21 16:36:09,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131558361] [2022-11-21 16:36:09,704 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 16:36:09,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2022-11-21 16:36:09,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:36:09,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2022-11-21 16:36:09,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1122, Invalid=3168, Unknown=0, NotChecked=0, Total=4290 [2022-11-21 16:36:09,714 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 99 [2022-11-21 16:36:09,721 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 138 transitions, 694 flow. Second operand has 66 states, 66 states have (on average 88.43939393939394) internal successors, (5837), 66 states have internal predecessors, (5837), 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) [2022-11-21 16:36:09,721 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:36:09,721 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 99 [2022-11-21 16:36:09,721 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:36:12,017 INFO L130 PetriNetUnfolder]: 15/447 cut-off events. [2022-11-21 16:36:12,017 INFO L131 PetriNetUnfolder]: For 2211/2214 co-relation queries the response was YES. [2022-11-21 16:36:12,020 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1196 conditions, 447 events. 15/447 cut-off events. For 2211/2214 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 573 event pairs, 0 based on Foata normal form. 16/450 useless extension candidates. Maximal degree in co-relation 1127. Up to 58 conditions per place. [2022-11-21 16:36:12,022 INFO L137 encePairwiseOnDemand]: 93/99 looper letters, 67 selfloop transitions, 93 changer transitions 0/244 dead transitions. [2022-11-21 16:36:12,022 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 244 transitions, 1862 flow [2022-11-21 16:36:12,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2022-11-21 16:36:12,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2022-11-21 16:36:12,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 8174 transitions. [2022-11-21 16:36:12,043 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8878027587705007 [2022-11-21 16:36:12,043 INFO L72 ComplementDD]: Start complementDD. Operand 93 states and 8174 transitions. [2022-11-21 16:36:12,044 INFO L73 IsDeterministic]: Start isDeterministic. Operand 93 states and 8174 transitions. [2022-11-21 16:36:12,052 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:36:12,052 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 93 states and 8174 transitions. [2022-11-21 16:36:12,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 94 states, 93 states have (on average 87.89247311827957) internal successors, (8174), 93 states have internal predecessors, (8174), 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) [2022-11-21 16:36:12,104 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 94 states, 94 states have (on average 99.0) internal successors, (9306), 94 states have internal predecessors, (9306), 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) [2022-11-21 16:36:12,108 INFO L81 ComplementDD]: Finished complementDD. Result has 94 states, 94 states have (on average 99.0) internal successors, (9306), 94 states have internal predecessors, (9306), 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) [2022-11-21 16:36:12,109 INFO L175 Difference]: Start difference. First operand has 176 places, 138 transitions, 694 flow. Second operand 93 states and 8174 transitions. [2022-11-21 16:36:12,109 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 244 transitions, 1862 flow [2022-11-21 16:36:12,117 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 244 transitions, 1774 flow, removed 26 selfloop flow, removed 18 redundant places. [2022-11-21 16:36:12,121 INFO L231 Difference]: Finished difference. Result has 267 places, 187 transitions, 1328 flow [2022-11-21 16:36:12,122 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=638, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=93, PETRI_FLOW=1328, PETRI_PLACES=267, PETRI_TRANSITIONS=187} [2022-11-21 16:36:12,123 INFO L288 CegarLoopForPetriNet]: 90 programPoint places, 177 predicate places. [2022-11-21 16:36:12,123 INFO L495 AbstractCegarLoop]: Abstraction has has 267 places, 187 transitions, 1328 flow [2022-11-21 16:36:12,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 88.43939393939394) internal successors, (5837), 66 states have internal predecessors, (5837), 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) [2022-11-21 16:36:12,126 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:36:12,126 INFO L209 CegarLoopForPetriNet]: trace histogram [31, 31, 31, 31, 31, 31, 31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:36:12,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-21 16:36:12,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:36:12,332 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-21 16:36:12,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:36:12,333 INFO L85 PathProgramCache]: Analyzing trace with hash -188576641, now seen corresponding path program 5 times [2022-11-21 16:36:12,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:36:12,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445257497] [2022-11-21 16:36:12,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:36:12,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:36:12,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:15,894 INFO L134 CoverageAnalysis]: Checked inductivity of 4216 backedges. 0 proven. 4216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:36:15,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:36:15,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445257497] [2022-11-21 16:36:15,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445257497] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:36:15,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344853774] [2022-11-21 16:36:15,895 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-21 16:36:15,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:36:15,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:36:15,896 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:36:15,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-21 16:36:16,079 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 32 check-sat command(s) [2022-11-21 16:36:16,079 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 16:36:16,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 64 conjunts are in the unsatisfiable core [2022-11-21 16:36:16,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:36:16,588 INFO L134 CoverageAnalysis]: Checked inductivity of 4216 backedges. 0 proven. 4216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:36:16,588 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:36:19,466 INFO L134 CoverageAnalysis]: Checked inductivity of 4216 backedges. 0 proven. 4216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:36:19,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [344853774] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:36:19,466 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 16:36:19,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 65, 65] total 89 [2022-11-21 16:36:19,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718814462] [2022-11-21 16:36:19,469 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 16:36:19,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2022-11-21 16:36:19,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:36:19,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2022-11-21 16:36:19,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2024, Invalid=5808, Unknown=0, NotChecked=0, Total=7832 [2022-11-21 16:36:19,481 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 99 [2022-11-21 16:36:19,488 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 187 transitions, 1328 flow. Second operand has 89 states, 89 states have (on average 88.48314606741573) internal successors, (7875), 89 states have internal predecessors, (7875), 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) [2022-11-21 16:36:19,488 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:36:19,488 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 99 [2022-11-21 16:36:19,489 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:36:23,762 INFO L130 PetriNetUnfolder]: 15/555 cut-off events. [2022-11-21 16:36:23,763 INFO L131 PetriNetUnfolder]: For 7134/7137 co-relation queries the response was YES. [2022-11-21 16:36:23,766 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1746 conditions, 555 events. 15/555 cut-off events. For 7134/7137 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 573 event pairs, 0 based on Foata normal form. 12/554 useless extension candidates. Maximal degree in co-relation 1660. Up to 82 conditions per place. [2022-11-21 16:36:23,768 INFO L137 encePairwiseOnDemand]: 93/99 looper letters, 91 selfloop transitions, 129 changer transitions 0/304 dead transitions. [2022-11-21 16:36:23,768 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 395 places, 304 transitions, 2832 flow [2022-11-21 16:36:23,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2022-11-21 16:36:23,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2022-11-21 16:36:23,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 11326 transitions. [2022-11-21 16:36:23,792 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8868530263879101 [2022-11-21 16:36:23,793 INFO L72 ComplementDD]: Start complementDD. Operand 129 states and 11326 transitions. [2022-11-21 16:36:23,793 INFO L73 IsDeterministic]: Start isDeterministic. Operand 129 states and 11326 transitions. [2022-11-21 16:36:23,800 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:36:23,800 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 129 states and 11326 transitions. [2022-11-21 16:36:23,825 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 130 states, 129 states have (on average 87.7984496124031) internal successors, (11326), 129 states have internal predecessors, (11326), 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) [2022-11-21 16:36:23,850 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 130 states, 130 states have (on average 99.0) internal successors, (12870), 130 states have internal predecessors, (12870), 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) [2022-11-21 16:36:23,855 INFO L81 ComplementDD]: Finished complementDD. Result has 130 states, 130 states have (on average 99.0) internal successors, (12870), 130 states have internal predecessors, (12870), 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) [2022-11-21 16:36:23,855 INFO L175 Difference]: Start difference. First operand has 267 places, 187 transitions, 1328 flow. Second operand 129 states and 11326 transitions. [2022-11-21 16:36:23,855 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 395 places, 304 transitions, 2832 flow [2022-11-21 16:36:23,880 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 353 places, 304 transitions, 2688 flow, removed 30 selfloop flow, removed 42 redundant places. [2022-11-21 16:36:23,891 INFO L231 Difference]: Finished difference. Result has 366 places, 224 transitions, 1926 flow [2022-11-21 16:36:23,891 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=1208, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=94, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=129, PETRI_FLOW=1926, PETRI_PLACES=366, PETRI_TRANSITIONS=224} [2022-11-21 16:36:23,892 INFO L288 CegarLoopForPetriNet]: 90 programPoint places, 276 predicate places. [2022-11-21 16:36:23,892 INFO L495 AbstractCegarLoop]: Abstraction has has 366 places, 224 transitions, 1926 flow [2022-11-21 16:36:23,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 89 states, 89 states have (on average 88.48314606741573) internal successors, (7875), 89 states have internal predecessors, (7875), 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) [2022-11-21 16:36:23,894 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:36:23,895 INFO L209 CegarLoopForPetriNet]: trace histogram [43, 43, 43, 43, 43, 43, 43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:36:23,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-21 16:36:24,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:36:24,102 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-21 16:36:24,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:36:24,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1833153217, now seen corresponding path program 6 times [2022-11-21 16:36:24,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:36:24,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992947229] [2022-11-21 16:36:24,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:36:24,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:36:24,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:36:24,209 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:36:24,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:36:24,483 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:36:24,483 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-21 16:36:24,484 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location threadErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-11-21 16:36:24,487 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-11-21 16:36:24,487 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-11-21 16:36:24,487 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining) [2022-11-21 16:36:24,487 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 8 remaining) [2022-11-21 16:36:24,488 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-11-21 16:36:24,488 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-11-21 16:36:24,489 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-11-21 16:36:24,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-21 16:36:24,490 INFO L444 BasicCegarLoop]: Path program histogram: [6, 1, 1, 1, 1, 1, 1] [2022-11-21 16:36:24,499 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-21 16:36:24,499 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 16:36:24,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 04:36:24 BasicIcfg [2022-11-21 16:36:24,715 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 16:36:24,716 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:36:24,716 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:36:24,716 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:36:24,717 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:36:00" (3/4) ... [2022-11-21 16:36:24,720 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 16:36:24,726 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:36:24,726 INFO L158 Benchmark]: Toolchain (without parser) took 25744.74ms. Allocated memory was 134.2MB in the beginning and 360.7MB in the end (delta: 226.5MB). Free memory was 72.7MB in the beginning and 141.3MB in the end (delta: -68.6MB). Peak memory consumption was 160.0MB. Max. memory is 16.1GB. [2022-11-21 16:36:24,727 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 134.2MB. Free memory was 107.8MB in the beginning and 107.7MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:36:24,728 INFO L158 Benchmark]: CACSL2BoogieTranslator took 570.76ms. Allocated memory was 134.2MB in the beginning and 172.0MB in the end (delta: 37.7MB). Free memory was 72.5MB in the beginning and 133.7MB in the end (delta: -61.1MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2022-11-21 16:36:24,729 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.42ms. Allocated memory is still 172.0MB. Free memory was 133.7MB in the beginning and 131.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:36:24,730 INFO L158 Benchmark]: Boogie Preprocessor took 57.68ms. Allocated memory is still 172.0MB. Free memory was 131.6MB in the beginning and 129.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:36:24,731 INFO L158 Benchmark]: RCFGBuilder took 677.42ms. Allocated memory is still 172.0MB. Free memory was 129.4MB in the beginning and 114.6MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 16:36:24,731 INFO L158 Benchmark]: TraceAbstraction took 24361.82ms. Allocated memory was 172.0MB in the beginning and 360.7MB in the end (delta: 188.7MB). Free memory was 114.6MB in the beginning and 141.3MB in the end (delta: -26.7MB). Peak memory consumption was 161.9MB. Max. memory is 16.1GB. [2022-11-21 16:36:24,732 INFO L158 Benchmark]: Witness Printer took 9.66ms. Allocated memory is still 360.7MB. Free memory is still 141.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:36:24,734 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 134.2MB. Free memory was 107.8MB in the beginning and 107.7MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 570.76ms. Allocated memory was 134.2MB in the beginning and 172.0MB in the end (delta: 37.7MB). Free memory was 72.5MB in the beginning and 133.7MB in the end (delta: -61.1MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.42ms. Allocated memory is still 172.0MB. Free memory was 133.7MB in the beginning and 131.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.68ms. Allocated memory is still 172.0MB. Free memory was 131.6MB in the beginning and 129.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 677.42ms. Allocated memory is still 172.0MB. Free memory was 129.4MB in the beginning and 114.6MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 24361.82ms. Allocated memory was 172.0MB in the beginning and 360.7MB in the end (delta: 188.7MB). Free memory was 114.6MB in the beginning and 141.3MB in the end (delta: -26.7MB). Peak memory consumption was 161.9MB. Max. memory is 16.1GB. * Witness Printer took 9.66ms. Allocated memory is still 360.7MB. Free memory is still 141.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 704]: Data race detected Data race detected The following path leads to a data race: [L697] 0 pthread_mutex_t lock; VAL [lock={3:0}] [L698] 0 pthread_cond_t cond; VAL [cond={4:0}, lock={3:0}] [L699] 0 int x; VAL [cond={4:0}, lock={3:0}, x=0] [L700] 0 _Bool x_set = 0; VAL [cond={4:0}, lock={3:0}, x=0, x_set=0] [L711] 0 pthread_t t; VAL [cond={4:0}, lock={3:0}, t={7:0}, x=0, x_set=0] [L712] FCALL, FORK 0 pthread_create( &t, ((void *)0), thread, ((void *)0) ) VAL [arg={0:0}, cond={4:0}, lock={3:0}, pthread_create( &t, ((void *)0), thread, ((void *)0) )=-1, t={7:0}, x=0, x_set=0] [L704] 1 !x_set VAL [arg={0:0}, arg={0:0}, cond={4:0}, lock={3:0}, x=0, x_set=0] [L713] 0 int i = 0; VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=0, lock={3:0}, t={7:0}, x=0, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=0, lock={3:0}, t={7:0}, x=0, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=0, lock={3:0}, t={7:0}, x=0, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=1, lock={3:0}, t={7:0}, x=0, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=1, lock={3:0}, t={7:0}, x=0, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=1, lock={3:0}, t={7:0}, x=1, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=2, lock={3:0}, t={7:0}, x=1, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=2, lock={3:0}, t={7:0}, x=1, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=2, lock={3:0}, t={7:0}, x=2, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=3, lock={3:0}, t={7:0}, x=2, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=3, lock={3:0}, t={7:0}, x=2, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=3, lock={3:0}, t={7:0}, x=3, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=4, lock={3:0}, t={7:0}, x=3, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=4, lock={3:0}, t={7:0}, x=3, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=4, lock={3:0}, t={7:0}, x=4, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=5, lock={3:0}, t={7:0}, x=4, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=5, lock={3:0}, t={7:0}, x=4, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=5, lock={3:0}, t={7:0}, x=5, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=6, lock={3:0}, t={7:0}, x=5, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=6, lock={3:0}, t={7:0}, x=5, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=6, lock={3:0}, t={7:0}, x=6, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=7, lock={3:0}, t={7:0}, x=6, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=7, lock={3:0}, t={7:0}, x=6, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=7, lock={3:0}, t={7:0}, x=7, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=8, lock={3:0}, t={7:0}, x=7, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=8, lock={3:0}, t={7:0}, x=7, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=8, lock={3:0}, t={7:0}, x=8, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=9, lock={3:0}, t={7:0}, x=8, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=9, lock={3:0}, t={7:0}, x=8, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=9, lock={3:0}, t={7:0}, x=9, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=10, lock={3:0}, t={7:0}, x=9, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=10, lock={3:0}, t={7:0}, x=9, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=10, lock={3:0}, t={7:0}, x=10, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=11, lock={3:0}, t={7:0}, x=10, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=11, lock={3:0}, t={7:0}, x=10, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=11, lock={3:0}, t={7:0}, x=11, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=12, lock={3:0}, t={7:0}, x=11, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=12, lock={3:0}, t={7:0}, x=11, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=12, lock={3:0}, t={7:0}, x=12, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=13, lock={3:0}, t={7:0}, x=12, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=13, lock={3:0}, t={7:0}, x=12, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=13, lock={3:0}, t={7:0}, x=13, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=14, lock={3:0}, t={7:0}, x=13, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=14, lock={3:0}, t={7:0}, x=13, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=14, lock={3:0}, t={7:0}, x=14, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=15, lock={3:0}, t={7:0}, x=14, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=15, lock={3:0}, t={7:0}, x=14, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=15, lock={3:0}, t={7:0}, x=15, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=16, lock={3:0}, t={7:0}, x=15, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=16, lock={3:0}, t={7:0}, x=15, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=16, lock={3:0}, t={7:0}, x=16, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=17, lock={3:0}, t={7:0}, x=16, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=17, lock={3:0}, t={7:0}, x=16, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=17, lock={3:0}, t={7:0}, x=17, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=18, lock={3:0}, t={7:0}, x=17, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=18, lock={3:0}, t={7:0}, x=17, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=18, lock={3:0}, t={7:0}, x=18, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=19, lock={3:0}, t={7:0}, x=18, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=19, lock={3:0}, t={7:0}, x=18, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=19, lock={3:0}, t={7:0}, x=19, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=20, lock={3:0}, t={7:0}, x=19, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=20, lock={3:0}, t={7:0}, x=19, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=20, lock={3:0}, t={7:0}, x=20, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=21, lock={3:0}, t={7:0}, x=20, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=21, lock={3:0}, t={7:0}, x=20, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=21, lock={3:0}, t={7:0}, x=21, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=22, lock={3:0}, t={7:0}, x=21, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=22, lock={3:0}, t={7:0}, x=21, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=22, lock={3:0}, t={7:0}, x=22, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=23, lock={3:0}, t={7:0}, x=22, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=23, lock={3:0}, t={7:0}, x=22, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=23, lock={3:0}, t={7:0}, x=23, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=24, lock={3:0}, t={7:0}, x=23, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=24, lock={3:0}, t={7:0}, x=23, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=24, lock={3:0}, t={7:0}, x=24, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=25, lock={3:0}, t={7:0}, x=24, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=25, lock={3:0}, t={7:0}, x=24, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=25, lock={3:0}, t={7:0}, x=25, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=26, lock={3:0}, t={7:0}, x=25, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=26, lock={3:0}, t={7:0}, x=25, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=26, lock={3:0}, t={7:0}, x=26, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=27, lock={3:0}, t={7:0}, x=26, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=27, lock={3:0}, t={7:0}, x=26, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=27, lock={3:0}, t={7:0}, x=27, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=28, lock={3:0}, t={7:0}, x=27, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=28, lock={3:0}, t={7:0}, x=27, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=28, lock={3:0}, t={7:0}, x=28, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=29, lock={3:0}, t={7:0}, x=28, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=29, lock={3:0}, t={7:0}, x=28, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=29, lock={3:0}, t={7:0}, x=29, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=30, lock={3:0}, t={7:0}, x=29, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=30, lock={3:0}, t={7:0}, x=29, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=30, lock={3:0}, t={7:0}, x=30, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=31, lock={3:0}, t={7:0}, x=30, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=31, lock={3:0}, t={7:0}, x=30, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=31, lock={3:0}, t={7:0}, x=31, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=32, lock={3:0}, t={7:0}, x=31, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=32, lock={3:0}, t={7:0}, x=31, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=32, lock={3:0}, t={7:0}, x=32, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=33, lock={3:0}, t={7:0}, x=32, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=33, lock={3:0}, t={7:0}, x=32, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=33, lock={3:0}, t={7:0}, x=33, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=34, lock={3:0}, t={7:0}, x=33, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=34, lock={3:0}, t={7:0}, x=33, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=34, lock={3:0}, t={7:0}, x=34, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=35, lock={3:0}, t={7:0}, x=34, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=35, lock={3:0}, t={7:0}, x=34, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=35, lock={3:0}, t={7:0}, x=35, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=36, lock={3:0}, t={7:0}, x=35, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=36, lock={3:0}, t={7:0}, x=35, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=36, lock={3:0}, t={7:0}, x=36, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=37, lock={3:0}, t={7:0}, x=36, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=37, lock={3:0}, t={7:0}, x=36, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=37, lock={3:0}, t={7:0}, x=37, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=38, lock={3:0}, t={7:0}, x=37, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=38, lock={3:0}, t={7:0}, x=37, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=38, lock={3:0}, t={7:0}, x=38, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=39, lock={3:0}, t={7:0}, x=38, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=39, lock={3:0}, t={7:0}, x=38, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=39, lock={3:0}, t={7:0}, x=39, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=40, lock={3:0}, t={7:0}, x=39, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=40, lock={3:0}, t={7:0}, x=39, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=40, lock={3:0}, t={7:0}, x=40, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=41, lock={3:0}, t={7:0}, x=40, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=41, lock={3:0}, t={7:0}, x=40, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=41, lock={3:0}, t={7:0}, x=41, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=42, lock={3:0}, t={7:0}, x=41, x_set=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=42, lock={3:0}, t={7:0}, x=41, x_set=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=42, lock={3:0}, t={7:0}, x=42, x_set=0] [L713] 0 i++ VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=43, lock={3:0}, t={7:0}, x=42, x_set=0] [L713] COND FALSE 0 !(i <= 42) VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=43, lock={3:0}, t={7:0}, x=42, x_set=0] [L715] 0 x_set = 1 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=43, lock={3:0}, t={7:0}, x=42, x_set=1, x_set = 1=128] [L704] 1 !x_set VAL [arg={0:0}, arg={0:0}, cond={4:0}, lock={3:0}, x=42, x_set=1] Now there is a data race on ~x_set~0 between C: x_set = 1 [715] and C: !x_set [704] - UnprovableResult [Line: 715]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 714]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 717]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 712]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 115 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 24.0s, OverallIterations: 12, TraceHistogramMax: 43, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 8.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 834 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 834 mSDsluCounter, 207 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 151 mSDsCounter, 58 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 857 IncrementalHoareTripleChecker+Invalid, 915 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 58 mSolverCounterUnsat, 56 mSDtfsCounter, 857 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1948 GetRequests, 1503 SyntacticMatches, 41 SemanticMatches, 404 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13224 ImplicationChecksByTransitivity, 12.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1926occurred in iteration=11, InterpolantAutomatonStates: 315, 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, 0.7s SatisfiabilityAnalysisTime, 11.8s InterpolantComputationTime, 2379 NumberOfCodeBlocks, 2379 NumberOfCodeBlocksAsserted, 58 NumberOfCheckSat, 2699 ConstructedInterpolants, 0 QuantifiedInterpolants, 5877 SizeOfPredicates, 114 NumberOfNonLiveVariables, 1625 ConjunctsInSsa, 127 ConjunctsInUnsatCore, 22 InterpolantComputations, 6 PerfectInterpolantSequences, 1/16211 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-21 16:36:25,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4aca3e-3ef0-4d0d-9f7d-8320baef4bf1/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE