./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15759096-a039-46bc-8fa0-fada0121eba0/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15759096-a039-46bc-8fa0-fada0121eba0/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15759096-a039-46bc-8fa0-fada0121eba0/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15759096-a039-46bc-8fa0-fada0121eba0/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15759096-a039-46bc-8fa0-fada0121eba0/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15759096-a039-46bc-8fa0-fada0121eba0/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 83dad307cba3d7607e136206fd160e874fd8a32bc88cbef3e5973f117a7651cc --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 21:10:57,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:10:57,193 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:10:57,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:10:57,238 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:10:57,240 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:10:57,241 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:10:57,243 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:10:57,248 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:10:57,256 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:10:57,257 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:10:57,258 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:10:57,258 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:10:57,260 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:10:57,261 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:10:57,264 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:10:57,265 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:10:57,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:10:57,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:10:57,273 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:10:57,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:10:57,282 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:10:57,283 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:10:57,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:10:57,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:10:57,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:10:57,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:10:57,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:10:57,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:10:57,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:10:57,301 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:10:57,302 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:10:57,303 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:10:57,304 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:10:57,305 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:10:57,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:10:57,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:10:57,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:10:57,309 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:10:57,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:10:57,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:10:57,311 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15759096-a039-46bc-8fa0-fada0121eba0/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-02 21:10:57,345 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:10:57,345 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:10:57,346 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:10:57,346 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:10:57,347 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 21:10:57,347 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 21:10:57,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:10:57,348 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:10:57,348 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:10:57,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:10:57,350 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 21:10:57,350 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 21:10:57,350 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:10:57,350 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 21:10:57,351 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:10:57,351 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 21:10:57,351 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 21:10:57,351 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 21:10:57,351 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-02 21:10:57,352 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 21:10:57,352 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:10:57,352 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:10:57,352 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 21:10:57,353 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:10:57,353 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:10:57,353 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 21:10:57,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:10:57,353 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:10:57,354 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 21:10:57,354 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 21:10:57,355 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:10:57,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 21:10:57,356 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 21:10:57,356 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 21:10:57,356 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 21:10:57,357 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_15759096-a039-46bc-8fa0-fada0121eba0/bin/uautomizer-Dbtcem3rbc/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15759096-a039-46bc-8fa0-fada0121eba0/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83dad307cba3d7607e136206fd160e874fd8a32bc88cbef3e5973f117a7651cc [2022-11-02 21:10:57,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:10:57,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:10:57,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:10:57,686 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:10:57,687 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:10:57,688 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15759096-a039-46bc-8fa0-fada0121eba0/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c [2022-11-02 21:10:57,766 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15759096-a039-46bc-8fa0-fada0121eba0/bin/uautomizer-Dbtcem3rbc/data/3059809a1/e2f2bf5543494b6c82f162818a1887e5/FLAG7096d34bf [2022-11-02 21:10:58,281 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:10:58,281 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15759096-a039-46bc-8fa0-fada0121eba0/sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c [2022-11-02 21:10:58,298 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15759096-a039-46bc-8fa0-fada0121eba0/bin/uautomizer-Dbtcem3rbc/data/3059809a1/e2f2bf5543494b6c82f162818a1887e5/FLAG7096d34bf [2022-11-02 21:10:58,608 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15759096-a039-46bc-8fa0-fada0121eba0/bin/uautomizer-Dbtcem3rbc/data/3059809a1/e2f2bf5543494b6c82f162818a1887e5 [2022-11-02 21:10:58,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:10:58,612 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:10:58,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:10:58,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:10:58,617 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:10:58,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:10:58" (1/1) ... [2022-11-02 21:10:58,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eb79223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:58, skipping insertion in model container [2022-11-02 21:10:58,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:10:58" (1/1) ... [2022-11-02 21:10:58,627 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:10:58,666 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:10:59,124 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15759096-a039-46bc-8fa0-fada0121eba0/sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c[12821,12834] [2022-11-02 21:10:59,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:10:59,148 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:10:59,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15759096-a039-46bc-8fa0-fada0121eba0/sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c[12821,12834] [2022-11-02 21:10:59,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:10:59,301 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:10:59,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:59 WrapperNode [2022-11-02 21:10:59,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:10:59,303 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:10:59,303 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:10:59,303 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:10:59,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:59" (1/1) ... [2022-11-02 21:10:59,345 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:59" (1/1) ... [2022-11-02 21:10:59,568 INFO L138 Inliner]: procedures = 25, calls = 307, calls flagged for inlining = 69, calls inlined = 97, statements flattened = 3248 [2022-11-02 21:10:59,569 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:10:59,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:10:59,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:10:59,570 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:10:59,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:59" (1/1) ... [2022-11-02 21:10:59,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:59" (1/1) ... [2022-11-02 21:10:59,613 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:59" (1/1) ... [2022-11-02 21:10:59,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:59" (1/1) ... [2022-11-02 21:10:59,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:59" (1/1) ... [2022-11-02 21:10:59,763 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:59" (1/1) ... [2022-11-02 21:10:59,772 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:59" (1/1) ... [2022-11-02 21:10:59,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:59" (1/1) ... [2022-11-02 21:10:59,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:10:59,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:10:59,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:10:59,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:10:59,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:59" (1/1) ... [2022-11-02 21:10:59,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:10:59,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15759096-a039-46bc-8fa0-fada0121eba0/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:10:59,833 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15759096-a039-46bc-8fa0-fada0121eba0/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 21:10:59,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15759096-a039-46bc-8fa0-fada0121eba0/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 21:10:59,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 21:10:59,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 21:10:59,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 21:10:59,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 21:10:59,885 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-02 21:10:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-02 21:10:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-02 21:10:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-02 21:10:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 21:10:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-02 21:10:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-02 21:10:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 21:10:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:10:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:10:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 21:10:59,892 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-02 21:11:00,145 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:11:00,147 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:11:03,943 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:11:27,498 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:11:27,498 INFO L300 CfgBuilder]: Removed 12 assume(true) statements. [2022-11-02 21:11:27,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:11:27 BoogieIcfgContainer [2022-11-02 21:11:27,502 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:11:27,506 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 21:11:27,507 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 21:11:27,518 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 21:11:27,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:10:58" (1/3) ... [2022-11-02 21:11:27,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a458d3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:11:27, skipping insertion in model container [2022-11-02 21:11:27,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:59" (2/3) ... [2022-11-02 21:11:27,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a458d3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:11:27, skipping insertion in model container [2022-11-02 21:11:27,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:11:27" (3/3) ... [2022-11-02 21:11:27,525 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-symm.wvr.c [2022-11-02 21:11:27,534 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-02 21:11:27,542 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 21:11:27,542 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 496 error locations. [2022-11-02 21:11:27,542 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-02 21:11:32,945 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-02 21:11:32,997 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1047 places, 1097 transitions, 2210 flow [2022-11-02 21:11:35,242 INFO L130 PetriNetUnfolder]: 57/1095 cut-off events. [2022-11-02 21:11:35,242 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-02 21:11:35,268 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1104 conditions, 1095 events. 57/1095 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 5467 event pairs, 0 based on Foata normal form. 0/542 useless extension candidates. Maximal degree in co-relation 743. Up to 7 conditions per place. [2022-11-02 21:11:35,268 INFO L82 GeneralOperation]: Start removeDead. Operand has 1047 places, 1097 transitions, 2210 flow [2022-11-02 21:11:35,317 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1019 places, 1066 transitions, 2144 flow [2022-11-02 21:11:35,328 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 21:11:35,340 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;@2ef73c5f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 21:11:35,340 INFO L358 AbstractCegarLoop]: Starting to check reachability of 972 error locations. [2022-11-02 21:11:35,350 INFO L130 PetriNetUnfolder]: 3/72 cut-off events. [2022-11-02 21:11:35,351 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 21:11:35,351 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:11:35,352 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:11:35,352 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 968 more)] === [2022-11-02 21:11:35,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:35,358 INFO L85 PathProgramCache]: Analyzing trace with hash 848254549, now seen corresponding path program 1 times [2022-11-02 21:11:35,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:11:35,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399590799] [2022-11-02 21:11:35,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:35,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:11:35,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:11:35,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:11:35,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399590799] [2022-11-02 21:11:35,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399590799] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:11:35,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:11:35,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:11:35,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047999499] [2022-11-02 21:11:35,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:11:35,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-02 21:11:35,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:11:35,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 21:11:35,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 21:11:35,959 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 567 out of 1097 [2022-11-02 21:11:35,970 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1019 places, 1066 transitions, 2144 flow. Second operand has 2 states, 2 states have (on average 567.5) internal successors, (1135), 2 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:35,970 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:11:35,970 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 567 of 1097 [2022-11-02 21:11:35,972 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:11:38,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:11:41,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:11:43,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:11:45,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:11:47,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:11:50,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:11:52,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:11:55,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:11:58,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:12:00,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:12:03,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:12:04,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:12:05,956 INFO L130 PetriNetUnfolder]: 105/749 cut-off events. [2022-11-02 21:12:05,956 INFO L131 PetriNetUnfolder]: For 28/36 co-relation queries the response was YES. [2022-11-02 21:12:05,958 INFO L83 FinitePrefix]: Finished finitePrefix Result has 888 conditions, 749 events. 105/749 cut-off events. For 28/36 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1533 event pairs, 15 based on Foata normal form. 44/692 useless extension candidates. Maximal degree in co-relation 492. Up to 121 conditions per place. [2022-11-02 21:12:05,962 INFO L137 encePairwiseOnDemand]: 595/1097 looper letters, 26 selfloop transitions, 0 changer transitions 16/564 dead transitions. [2022-11-02 21:12:05,963 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 564 transitions, 1192 flow [2022-11-02 21:12:05,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 21:12:05,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-02 21:12:05,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1662 transitions. [2022-11-02 21:12:05,983 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7575205104831358 [2022-11-02 21:12:05,984 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1662 transitions. [2022-11-02 21:12:05,985 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1662 transitions. [2022-11-02 21:12:05,989 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:12:05,992 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1662 transitions. [2022-11-02 21:12:05,999 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 831.0) internal successors, (1662), 2 states have internal predecessors, (1662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:12:06,010 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1097.0) internal successors, (3291), 3 states have internal predecessors, (3291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:12:06,013 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1097.0) internal successors, (3291), 3 states have internal predecessors, (3291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:12:06,015 INFO L175 Difference]: Start difference. First operand has 1019 places, 1066 transitions, 2144 flow. Second operand 2 states and 1662 transitions. [2022-11-02 21:12:06,016 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 546 places, 564 transitions, 1192 flow [2022-11-02 21:12:06,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 542 places, 564 transitions, 1184 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-02 21:12:06,033 INFO L231 Difference]: Finished difference. Result has 542 places, 548 transitions, 1100 flow [2022-11-02 21:12:06,036 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=1097, PETRI_DIFFERENCE_MINUEND_FLOW=1132, PETRI_DIFFERENCE_MINUEND_PLACES=541, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=564, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=564, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1100, PETRI_PLACES=542, PETRI_TRANSITIONS=548} [2022-11-02 21:12:06,040 INFO L287 CegarLoopForPetriNet]: 1019 programPoint places, -477 predicate places. [2022-11-02 21:12:06,041 INFO L495 AbstractCegarLoop]: Abstraction has has 542 places, 548 transitions, 1100 flow [2022-11-02 21:12:06,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 567.5) internal successors, (1135), 2 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:12:06,042 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:12:06,042 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:12:06,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 21:12:06,043 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 968 more)] === [2022-11-02 21:12:06,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:06,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1703902412, now seen corresponding path program 1 times [2022-11-02 21:12:06,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:06,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103411069] [2022-11-02 21:12:06,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:06,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:06,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:06,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:12:06,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:12:06,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103411069] [2022-11-02 21:12:06,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103411069] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:12:06,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:12:06,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:12:06,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638607506] [2022-11-02 21:12:06,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:12:06,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:12:06,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:12:06,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:12:06,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:12:06,297 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 561 out of 1097 [2022-11-02 21:12:06,299 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 542 places, 548 transitions, 1100 flow. Second operand has 3 states, 3 states have (on average 562.3333333333334) internal successors, (1687), 3 states have internal predecessors, (1687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:12:06,300 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:12:06,300 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 561 of 1097 [2022-11-02 21:12:06,300 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:12:08,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:12:10,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:12:12,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:12:14,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:12:17,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:12:19,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:12:23,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:12:25,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:12:27,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:12:29,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:12:32,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:12:34,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:12:36,915 INFO L130 PetriNetUnfolder]: 105/732 cut-off events. [2022-11-02 21:12:36,915 INFO L131 PetriNetUnfolder]: For 5/13 co-relation queries the response was YES. [2022-11-02 21:12:36,917 INFO L83 FinitePrefix]: Finished finitePrefix Result has 865 conditions, 732 events. 105/732 cut-off events. For 5/13 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1522 event pairs, 15 based on Foata normal form. 0/648 useless extension candidates. Maximal degree in co-relation 862. Up to 124 conditions per place. [2022-11-02 21:12:36,920 INFO L137 encePairwiseOnDemand]: 1094/1097 looper letters, 29 selfloop transitions, 2 changer transitions 0/547 dead transitions. [2022-11-02 21:12:36,920 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 527 places, 547 transitions, 1160 flow [2022-11-02 21:12:36,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:12:36,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:12:36,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1715 transitions. [2022-11-02 21:12:36,928 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.5211182011546642 [2022-11-02 21:12:36,929 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1715 transitions. [2022-11-02 21:12:36,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1715 transitions. [2022-11-02 21:12:36,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:12:36,931 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1715 transitions. [2022-11-02 21:12:36,936 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 571.6666666666666) internal successors, (1715), 3 states have internal predecessors, (1715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:12:36,946 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1097.0) internal successors, (4388), 4 states have internal predecessors, (4388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:12:36,949 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1097.0) internal successors, (4388), 4 states have internal predecessors, (4388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:12:36,949 INFO L175 Difference]: Start difference. First operand has 542 places, 548 transitions, 1100 flow. Second operand 3 states and 1715 transitions. [2022-11-02 21:12:36,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 527 places, 547 transitions, 1160 flow [2022-11-02 21:12:36,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 527 places, 547 transitions, 1160 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-02 21:12:36,963 INFO L231 Difference]: Finished difference. Result has 527 places, 547 transitions, 1102 flow [2022-11-02 21:12:36,964 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=1097, PETRI_DIFFERENCE_MINUEND_FLOW=1098, PETRI_DIFFERENCE_MINUEND_PLACES=525, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=547, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=545, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1102, PETRI_PLACES=527, PETRI_TRANSITIONS=547} [2022-11-02 21:12:36,965 INFO L287 CegarLoopForPetriNet]: 1019 programPoint places, -492 predicate places. [2022-11-02 21:12:36,965 INFO L495 AbstractCegarLoop]: Abstraction has has 527 places, 547 transitions, 1102 flow [2022-11-02 21:12:36,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 562.3333333333334) internal successors, (1687), 3 states have internal predecessors, (1687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:12:36,967 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:12:36,967 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:12:36,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 21:12:36,968 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 968 more)] === [2022-11-02 21:12:36,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:36,969 INFO L85 PathProgramCache]: Analyzing trace with hash 566316830, now seen corresponding path program 1 times [2022-11-02 21:12:36,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:36,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732413659] [2022-11-02 21:12:36,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:36,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:37,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:38,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:12:38,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:12:38,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732413659] [2022-11-02 21:12:38,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732413659] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:12:38,069 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:12:38,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:12:38,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996229032] [2022-11-02 21:12:38,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:12:38,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:12:38,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:12:38,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:12:38,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:12:38,076 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 419 out of 1097 [2022-11-02 21:12:38,081 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 527 places, 547 transitions, 1102 flow. Second operand has 6 states, 6 states have (on average 420.8333333333333) internal successors, (2525), 6 states have internal predecessors, (2525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:12:38,081 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:12:38,081 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 419 of 1097 [2022-11-02 21:12:38,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:12:41,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:12:43,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:12:45,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:12:47,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:12:49,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:12:52,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:12:56,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:12:58,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:13:01,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:13:04,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:13:06,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:13:08,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:13:10,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:13:14,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:13:17,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:13:19,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:13:25,653 INFO L130 PetriNetUnfolder]: 699/1424 cut-off events. [2022-11-02 21:13:25,653 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 21:13:25,655 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2397 conditions, 1424 events. 699/1424 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 4186 event pairs, 177 based on Foata normal form. 0/1236 useless extension candidates. Maximal degree in co-relation 2393. Up to 923 conditions per place. [2022-11-02 21:13:25,663 INFO L137 encePairwiseOnDemand]: 1049/1097 looper letters, 126 selfloop transitions, 40 changer transitions 0/539 dead transitions. [2022-11-02 21:13:25,663 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 524 places, 539 transitions, 1418 flow [2022-11-02 21:13:25,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:13:25,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 21:13:25,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2688 transitions. [2022-11-02 21:13:25,671 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.4083865086599818 [2022-11-02 21:13:25,671 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2688 transitions. [2022-11-02 21:13:25,672 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2688 transitions. [2022-11-02 21:13:25,673 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:13:25,674 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2688 transitions. [2022-11-02 21:13:25,680 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 448.0) internal successors, (2688), 6 states have internal predecessors, (2688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:13:25,691 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1097.0) internal successors, (7679), 7 states have internal predecessors, (7679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:13:25,696 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1097.0) internal successors, (7679), 7 states have internal predecessors, (7679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:13:25,696 INFO L175 Difference]: Start difference. First operand has 527 places, 547 transitions, 1102 flow. Second operand 6 states and 2688 transitions. [2022-11-02 21:13:25,696 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 524 places, 539 transitions, 1418 flow [2022-11-02 21:13:25,700 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 522 places, 539 transitions, 1414 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:13:25,708 INFO L231 Difference]: Finished difference. Result has 522 places, 539 transitions, 1162 flow [2022-11-02 21:13:25,709 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=1097, PETRI_DIFFERENCE_MINUEND_FLOW=1082, PETRI_DIFFERENCE_MINUEND_PLACES=517, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=539, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=499, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1162, PETRI_PLACES=522, PETRI_TRANSITIONS=539} [2022-11-02 21:13:25,710 INFO L287 CegarLoopForPetriNet]: 1019 programPoint places, -497 predicate places. [2022-11-02 21:13:25,710 INFO L495 AbstractCegarLoop]: Abstraction has has 522 places, 539 transitions, 1162 flow [2022-11-02 21:13:25,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 420.8333333333333) internal successors, (2525), 6 states have internal predecessors, (2525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:13:25,712 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:13:25,712 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:13:25,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 21:13:25,713 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 968 more)] === [2022-11-02 21:13:25,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:13:25,713 INFO L85 PathProgramCache]: Analyzing trace with hash -2089666357, now seen corresponding path program 1 times [2022-11-02 21:13:25,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:13:25,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404888115] [2022-11-02 21:13:25,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:13:25,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:13:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:25,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:13:25,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:13:25,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404888115] [2022-11-02 21:13:25,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404888115] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:13:25,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:13:25,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:13:25,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971659915] [2022-11-02 21:13:25,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:13:25,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:13:25,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:13:25,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:13:25,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:13:25,882 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 561 out of 1097 [2022-11-02 21:13:25,884 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 522 places, 539 transitions, 1162 flow. Second operand has 3 states, 3 states have (on average 562.3333333333334) internal successors, (1687), 3 states have internal predecessors, (1687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:13:25,885 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:13:25,885 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 561 of 1097 [2022-11-02 21:13:25,885 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:13:28,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:13:30,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:13:32,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:13:34,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:13:36,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:13:39,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:13:41,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:13:43,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:13:45,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:13:47,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:13:49,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:13:52,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:13:53,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:13:55,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:13:57,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:13:58,304 INFO L130 PetriNetUnfolder]: 105/723 cut-off events. [2022-11-02 21:13:58,304 INFO L131 PetriNetUnfolder]: For 5/13 co-relation queries the response was YES. [2022-11-02 21:13:58,306 INFO L83 FinitePrefix]: Finished finitePrefix Result has 897 conditions, 723 events. 105/723 cut-off events. For 5/13 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1479 event pairs, 15 based on Foata normal form. 0/648 useless extension candidates. Maximal degree in co-relation 893. Up to 124 conditions per place. [2022-11-02 21:13:58,309 INFO L137 encePairwiseOnDemand]: 1094/1097 looper letters, 29 selfloop transitions, 2 changer transitions 0/538 dead transitions. [2022-11-02 21:13:58,310 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 523 places, 538 transitions, 1222 flow [2022-11-02 21:13:58,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:13:58,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:13:58,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1715 transitions. [2022-11-02 21:13:58,316 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.5211182011546642 [2022-11-02 21:13:58,316 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1715 transitions. [2022-11-02 21:13:58,316 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1715 transitions. [2022-11-02 21:13:58,318 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:13:58,318 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1715 transitions. [2022-11-02 21:13:58,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 571.6666666666666) internal successors, (1715), 3 states have internal predecessors, (1715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:13:58,331 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1097.0) internal successors, (4388), 4 states have internal predecessors, (4388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:13:58,334 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1097.0) internal successors, (4388), 4 states have internal predecessors, (4388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:13:58,334 INFO L175 Difference]: Start difference. First operand has 522 places, 539 transitions, 1162 flow. Second operand 3 states and 1715 transitions. [2022-11-02 21:13:58,335 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 523 places, 538 transitions, 1222 flow [2022-11-02 21:13:58,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 518 places, 538 transitions, 1142 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-02 21:13:58,348 INFO L231 Difference]: Finished difference. Result has 518 places, 538 transitions, 1084 flow [2022-11-02 21:13:58,349 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=1097, PETRI_DIFFERENCE_MINUEND_FLOW=1080, PETRI_DIFFERENCE_MINUEND_PLACES=516, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=538, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=536, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1084, PETRI_PLACES=518, PETRI_TRANSITIONS=538} [2022-11-02 21:13:58,350 INFO L287 CegarLoopForPetriNet]: 1019 programPoint places, -501 predicate places. [2022-11-02 21:13:58,350 INFO L495 AbstractCegarLoop]: Abstraction has has 518 places, 538 transitions, 1084 flow [2022-11-02 21:13:58,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 562.3333333333334) internal successors, (1687), 3 states have internal predecessors, (1687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:13:58,352 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:13:58,353 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:13:58,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 21:13:58,353 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 968 more)] === [2022-11-02 21:13:58,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:13:58,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1010036557, now seen corresponding path program 1 times [2022-11-02 21:13:58,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:13:58,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3798148] [2022-11-02 21:13:58,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:13:58,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:13:58,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:58,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:13:58,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:13:58,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3798148] [2022-11-02 21:13:58,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3798148] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:13:58,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:13:58,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:13:58,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602834926] [2022-11-02 21:13:58,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:13:58,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:13:58,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:13:58,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:13:58,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:13:58,690 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 423 out of 1097 [2022-11-02 21:13:58,694 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 518 places, 538 transitions, 1084 flow. Second operand has 5 states, 5 states have (on average 427.8) internal successors, (2139), 5 states have internal predecessors, (2139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:13:58,695 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:13:58,695 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 423 of 1097 [2022-11-02 21:13:58,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:14:01,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:14:03,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:14:05,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:14:08,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:14:10,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:14:13,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:14:14,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:14:15,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:14:17,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:14:19,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:14:21,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:14:25,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:14:27,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:14:29,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:14:31,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:14:34,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:14:35,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:14:37,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:14:41,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:14:41,721 INFO L130 PetriNetUnfolder]: 105/775 cut-off events. [2022-11-02 21:14:41,722 INFO L131 PetriNetUnfolder]: For 5/13 co-relation queries the response was YES. [2022-11-02 21:14:41,723 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1078 conditions, 775 events. 105/775 cut-off events. For 5/13 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1486 event pairs, 15 based on Foata normal form. 0/700 useless extension candidates. Maximal degree in co-relation 1074. Up to 188 conditions per place. [2022-11-02 21:14:41,725 INFO L137 encePairwiseOnDemand]: 1075/1097 looper letters, 180 selfloop transitions, 18 changer transitions 0/574 dead transitions. [2022-11-02 21:14:41,725 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 523 places, 574 transitions, 1552 flow [2022-11-02 21:14:41,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:14:41,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 21:14:41,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2740 transitions. [2022-11-02 21:14:41,732 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.41628684290489215 [2022-11-02 21:14:41,733 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2740 transitions. [2022-11-02 21:14:41,733 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2740 transitions. [2022-11-02 21:14:41,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:14:41,735 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2740 transitions. [2022-11-02 21:14:41,741 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 456.6666666666667) internal successors, (2740), 6 states have internal predecessors, (2740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:14:41,751 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1097.0) internal successors, (7679), 7 states have internal predecessors, (7679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:14:41,754 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1097.0) internal successors, (7679), 7 states have internal predecessors, (7679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:14:41,754 INFO L175 Difference]: Start difference. First operand has 518 places, 538 transitions, 1084 flow. Second operand 6 states and 2740 transitions. [2022-11-02 21:14:41,754 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 523 places, 574 transitions, 1552 flow [2022-11-02 21:14:41,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 521 places, 574 transitions, 1548 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:14:41,767 INFO L231 Difference]: Finished difference. Result has 522 places, 542 transitions, 1148 flow [2022-11-02 21:14:41,768 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=1097, PETRI_DIFFERENCE_MINUEND_FLOW=1080, PETRI_DIFFERENCE_MINUEND_PLACES=516, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=538, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=520, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1148, PETRI_PLACES=522, PETRI_TRANSITIONS=542} [2022-11-02 21:14:41,769 INFO L287 CegarLoopForPetriNet]: 1019 programPoint places, -497 predicate places. [2022-11-02 21:14:41,769 INFO L495 AbstractCegarLoop]: Abstraction has has 522 places, 542 transitions, 1148 flow [2022-11-02 21:14:41,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 427.8) internal successors, (2139), 5 states have internal predecessors, (2139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:14:41,770 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:14:41,770 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:14:41,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 21:14:41,771 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 968 more)] === [2022-11-02 21:14:41,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:14:41,771 INFO L85 PathProgramCache]: Analyzing trace with hash -157318689, now seen corresponding path program 1 times [2022-11-02 21:14:41,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:14:41,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709770215] [2022-11-02 21:14:41,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:14:41,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:14:41,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:41,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 21:14:41,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:14:41,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709770215] [2022-11-02 21:14:41,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709770215] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:14:41,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:14:41,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:14:41,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614322295] [2022-11-02 21:14:41,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:14:41,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:14:41,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:14:41,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:14:41,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:14:41,936 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 561 out of 1097 [2022-11-02 21:14:41,946 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 522 places, 542 transitions, 1148 flow. Second operand has 3 states, 3 states have (on average 562.3333333333334) internal successors, (1687), 3 states have internal predecessors, (1687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:14:41,954 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:14:41,954 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 561 of 1097 [2022-11-02 21:14:41,954 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:14:44,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:14:46,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:14:48,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:14:50,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:14:52,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:14:55,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:14:57,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:14:59,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:15:01,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:15:03,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:15:05,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:15:07,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:15:08,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:15:10,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:15:12,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []