./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc8066f-6848-403c-b134-c68306c568d7/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc8066f-6848-403c-b134-c68306c568d7/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc8066f-6848-403c-b134-c68306c568d7/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc8066f-6848-403c-b134-c68306c568d7/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc8066f-6848-403c-b134-c68306c568d7/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc8066f-6848-403c-b134-c68306c568d7/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5fedede1a0cf545b0a275694256164e3eb4f49b22c80042adac647157728b27d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 09:06:42,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 09:06:42,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 09:06:42,998 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 09:06:42,998 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 09:06:43,008 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 09:06:43,012 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 09:06:43,017 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 09:06:43,019 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 09:06:43,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 09:06:43,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 09:06:43,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 09:06:43,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 09:06:43,026 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 09:06:43,027 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 09:06:43,028 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 09:06:43,029 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 09:06:43,030 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 09:06:43,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 09:06:43,043 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 09:06:43,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 09:06:43,055 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 09:06:43,057 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 09:06:43,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 09:06:43,062 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 09:06:43,062 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 09:06:43,063 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 09:06:43,064 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 09:06:43,064 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 09:06:43,065 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 09:06:43,066 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 09:06:43,067 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 09:06:43,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 09:06:43,076 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 09:06:43,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 09:06:43,078 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 09:06:43,079 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 09:06:43,079 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 09:06:43,079 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 09:06:43,083 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 09:06:43,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 09:06:43,085 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc8066f-6848-403c-b134-c68306c568d7/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-21 09:06:43,141 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 09:06:43,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 09:06:43,142 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 09:06:43,142 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 09:06:43,144 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 09:06:43,144 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 09:06:43,145 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 09:06:43,146 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 09:06:43,146 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 09:06:43,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 09:06:43,148 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 09:06:43,148 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 09:06:43,149 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 09:06:43,149 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 09:06:43,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 09:06:43,149 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 09:06:43,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 09:06:43,150 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 09:06:43,150 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-21 09:06:43,151 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 09:06:43,151 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 09:06:43,151 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 09:06:43,152 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 09:06:43,152 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 09:06:43,152 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 09:06:43,153 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 09:06:43,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 09:06:43,153 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 09:06:43,154 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 09:06:43,155 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 09:06:43,155 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 09:06:43,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 09:06:43,156 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 09:06:43,156 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 09:06:43,157 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 09:06:43,157 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_3cc8066f-6848-403c-b134-c68306c568d7/bin/uautomizer-vX5HgA9Q3a/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc8066f-6848-403c-b134-c68306c568d7/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5fedede1a0cf545b0a275694256164e3eb4f49b22c80042adac647157728b27d [2022-11-21 09:06:43,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 09:06:43,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 09:06:43,511 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 09:06:43,512 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 09:06:43,513 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 09:06:43,514 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc8066f-6848-403c-b134-c68306c568d7/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c [2022-11-21 09:06:47,113 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 09:06:47,405 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 09:06:47,407 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc8066f-6848-403c-b134-c68306c568d7/sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c [2022-11-21 09:06:47,424 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc8066f-6848-403c-b134-c68306c568d7/bin/uautomizer-vX5HgA9Q3a/data/8f53bf0dd/c9dbefd7b3124d199c0b67e6a4571a1f/FLAGe4e970465 [2022-11-21 09:06:47,448 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc8066f-6848-403c-b134-c68306c568d7/bin/uautomizer-vX5HgA9Q3a/data/8f53bf0dd/c9dbefd7b3124d199c0b67e6a4571a1f [2022-11-21 09:06:47,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 09:06:47,458 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 09:06:47,460 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 09:06:47,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 09:06:47,465 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 09:06:47,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:06:47" (1/1) ... [2022-11-21 09:06:47,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50bec7f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:06:47, skipping insertion in model container [2022-11-21 09:06:47,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:06:47" (1/1) ... [2022-11-21 09:06:47,479 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 09:06:47,504 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 09:06:47,843 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc8066f-6848-403c-b134-c68306c568d7/sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c[4085,4098] [2022-11-21 09:06:47,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:06:47,882 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 09:06:47,978 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc8066f-6848-403c-b134-c68306c568d7/sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c[4085,4098] [2022-11-21 09:06:47,993 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:06:48,028 INFO L208 MainTranslator]: Completed translation [2022-11-21 09:06:48,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:06:48 WrapperNode [2022-11-21 09:06:48,028 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 09:06:48,030 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 09:06:48,030 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 09:06:48,030 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 09:06:48,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:06:48" (1/1) ... [2022-11-21 09:06:48,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:06:48" (1/1) ... [2022-11-21 09:06:48,134 INFO L138 Inliner]: procedures = 25, calls = 63, calls flagged for inlining = 16, calls inlined = 20, statements flattened = 628 [2022-11-21 09:06:48,135 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 09:06:48,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 09:06:48,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 09:06:48,136 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 09:06:48,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:06:48" (1/1) ... [2022-11-21 09:06:48,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:06:48" (1/1) ... [2022-11-21 09:06:48,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:06:48" (1/1) ... [2022-11-21 09:06:48,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:06:48" (1/1) ... [2022-11-21 09:06:48,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:06:48" (1/1) ... [2022-11-21 09:06:48,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:06:48" (1/1) ... [2022-11-21 09:06:48,225 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:06:48" (1/1) ... [2022-11-21 09:06:48,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:06:48" (1/1) ... [2022-11-21 09:06:48,233 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 09:06:48,234 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 09:06:48,234 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 09:06:48,234 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 09:06:48,235 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:06:48" (1/1) ... [2022-11-21 09:06:48,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 09:06:48,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc8066f-6848-403c-b134-c68306c568d7/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:06:48,287 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc8066f-6848-403c-b134-c68306c568d7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 09:06:48,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc8066f-6848-403c-b134-c68306c568d7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 09:06:48,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 09:06:48,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 09:06:48,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 09:06:48,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 09:06:48,339 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 09:06:48,341 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 09:06:48,341 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 09:06:48,341 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 09:06:48,342 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-21 09:06:48,342 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-21 09:06:48,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 09:06:48,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 09:06:48,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 09:06:48,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 09:06:48,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 09:06:48,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 09:06:48,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 09:06:48,346 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 09:06:48,589 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 09:06:48,607 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 09:06:49,892 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 09:06:50,735 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 09:06:50,736 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-21 09:06:50,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:06:50 BoogieIcfgContainer [2022-11-21 09:06:50,744 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 09:06:50,749 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 09:06:50,749 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 09:06:50,753 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 09:06:50,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:06:47" (1/3) ... [2022-11-21 09:06:50,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1302d330 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:06:50, skipping insertion in model container [2022-11-21 09:06:50,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:06:48" (2/3) ... [2022-11-21 09:06:50,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1302d330 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:06:50, skipping insertion in model container [2022-11-21 09:06:50,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:06:50" (3/3) ... [2022-11-21 09:06:50,763 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-ring-nondet.wvr.c [2022-11-21 09:06:50,776 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-21 09:06:50,790 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 09:06:50,791 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 93 error locations. [2022-11-21 09:06:50,791 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 09:06:51,002 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-21 09:06:51,080 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 485 places, 501 transitions, 1026 flow [2022-11-21 09:06:51,306 INFO L130 PetriNetUnfolder]: 26/498 cut-off events. [2022-11-21 09:06:51,306 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-21 09:06:51,316 INFO L83 FinitePrefix]: Finished finitePrefix Result has 511 conditions, 498 events. 26/498 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 774 event pairs, 0 based on Foata normal form. 0/379 useless extension candidates. Maximal degree in co-relation 420. Up to 4 conditions per place. [2022-11-21 09:06:51,317 INFO L82 GeneralOperation]: Start removeDead. Operand has 485 places, 501 transitions, 1026 flow [2022-11-21 09:06:51,330 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 463 places, 478 transitions, 974 flow [2022-11-21 09:06:51,342 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 09:06:51,350 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;@7b083fbd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 09:06:51,351 INFO L358 AbstractCegarLoop]: Starting to check reachability of 162 error locations. [2022-11-21 09:06:51,358 INFO L130 PetriNetUnfolder]: 0/33 cut-off events. [2022-11-21 09:06:51,358 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 09:06:51,358 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:06:51,359 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:06:51,360 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-21 09:06:51,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:06:51,367 INFO L85 PathProgramCache]: Analyzing trace with hash -937126247, now seen corresponding path program 1 times [2022-11-21 09:06:51,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:06:51,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488687691] [2022-11-21 09:06:51,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:06:51,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:06:51,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:51,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:06:51,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:06:51,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488687691] [2022-11-21 09:06:51,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488687691] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:06:51,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:06:51,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:06:51,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115041146] [2022-11-21 09:06:51,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:06:51,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:06:51,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:06:51,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:06:51,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:06:51,780 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 399 out of 501 [2022-11-21 09:06:51,786 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 463 places, 478 transitions, 974 flow. Second operand has 3 states, 3 states have (on average 400.3333333333333) internal successors, (1201), 3 states have internal predecessors, (1201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:51,786 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:06:51,786 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 399 of 501 [2022-11-21 09:06:51,787 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:06:52,518 INFO L130 PetriNetUnfolder]: 222/1180 cut-off events. [2022-11-21 09:06:52,519 INFO L131 PetriNetUnfolder]: For 67/86 co-relation queries the response was YES. [2022-11-21 09:06:52,525 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1570 conditions, 1180 events. 222/1180 cut-off events. For 67/86 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 5939 event pairs, 127 based on Foata normal form. 111/1085 useless extension candidates. Maximal degree in co-relation 1121. Up to 315 conditions per place. [2022-11-21 09:06:52,533 INFO L137 encePairwiseOnDemand]: 424/501 looper letters, 23 selfloop transitions, 2 changer transitions 7/403 dead transitions. [2022-11-21 09:06:52,533 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 403 transitions, 874 flow [2022-11-21 09:06:52,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:06:52,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:06:52,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1297 transitions. [2022-11-21 09:06:52,559 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8629407850964738 [2022-11-21 09:06:52,560 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1297 transitions. [2022-11-21 09:06:52,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1297 transitions. [2022-11-21 09:06:52,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:06:52,569 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1297 transitions. [2022-11-21 09:06:52,577 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 432.3333333333333) internal successors, (1297), 3 states have internal predecessors, (1297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:52,589 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:52,591 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:52,593 INFO L175 Difference]: Start difference. First operand has 463 places, 478 transitions, 974 flow. Second operand 3 states and 1297 transitions. [2022-11-21 09:06:52,595 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 406 places, 403 transitions, 874 flow [2022-11-21 09:06:52,604 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 403 transitions, 862 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-11-21 09:06:52,618 INFO L231 Difference]: Finished difference. Result has 400 places, 396 transitions, 802 flow [2022-11-21 09:06:52,621 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=812, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=403, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=401, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=802, PETRI_PLACES=400, PETRI_TRANSITIONS=396} [2022-11-21 09:06:52,628 INFO L288 CegarLoopForPetriNet]: 463 programPoint places, -63 predicate places. [2022-11-21 09:06:52,628 INFO L495 AbstractCegarLoop]: Abstraction has has 400 places, 396 transitions, 802 flow [2022-11-21 09:06:52,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 400.3333333333333) internal successors, (1201), 3 states have internal predecessors, (1201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:52,630 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:06:52,630 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:06:52,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 09:06:52,630 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-21 09:06:52,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:06:52,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1526265235, now seen corresponding path program 1 times [2022-11-21 09:06:52,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:06:52,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638104100] [2022-11-21 09:06:52,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:06:52,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:06:52,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:52,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:06:52,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:06:52,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638104100] [2022-11-21 09:06:52,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638104100] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:06:52,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:06:52,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:06:52,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115831582] [2022-11-21 09:06:52,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:06:52,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:06:52,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:06:52,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:06:52,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:06:52,787 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 399 out of 501 [2022-11-21 09:06:52,789 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 396 transitions, 802 flow. Second operand has 3 states, 3 states have (on average 400.3333333333333) internal successors, (1201), 3 states have internal predecessors, (1201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:52,789 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:06:52,790 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 399 of 501 [2022-11-21 09:06:52,790 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:06:53,350 INFO L130 PetriNetUnfolder]: 235/1094 cut-off events. [2022-11-21 09:06:53,351 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-21 09:06:53,356 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1456 conditions, 1094 events. 235/1094 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 5654 event pairs, 127 based on Foata normal form. 0/926 useless extension candidates. Maximal degree in co-relation 1414. Up to 328 conditions per place. [2022-11-21 09:06:53,365 INFO L137 encePairwiseOnDemand]: 498/501 looper letters, 23 selfloop transitions, 2 changer transitions 0/395 dead transitions. [2022-11-21 09:06:53,366 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 395 transitions, 850 flow [2022-11-21 09:06:53,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:06:53,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:06:53,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1223 transitions. [2022-11-21 09:06:53,370 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8137059214903526 [2022-11-21 09:06:53,370 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1223 transitions. [2022-11-21 09:06:53,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1223 transitions. [2022-11-21 09:06:53,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:06:53,371 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1223 transitions. [2022-11-21 09:06:53,375 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 407.6666666666667) internal successors, (1223), 3 states have internal predecessors, (1223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:53,379 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:53,381 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:53,381 INFO L175 Difference]: Start difference. First operand has 400 places, 396 transitions, 802 flow. Second operand 3 states and 1223 transitions. [2022-11-21 09:06:53,381 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 394 places, 395 transitions, 850 flow [2022-11-21 09:06:53,385 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 392 places, 395 transitions, 846 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:06:53,390 INFO L231 Difference]: Finished difference. Result has 392 places, 395 transitions, 800 flow [2022-11-21 09:06:53,391 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=796, PETRI_DIFFERENCE_MINUEND_PLACES=390, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=395, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=800, PETRI_PLACES=392, PETRI_TRANSITIONS=395} [2022-11-21 09:06:53,393 INFO L288 CegarLoopForPetriNet]: 463 programPoint places, -71 predicate places. [2022-11-21 09:06:53,393 INFO L495 AbstractCegarLoop]: Abstraction has has 392 places, 395 transitions, 800 flow [2022-11-21 09:06:53,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 400.3333333333333) internal successors, (1201), 3 states have internal predecessors, (1201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:53,395 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:06:53,395 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:06:53,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 09:06:53,396 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-21 09:06:53,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:06:53,397 INFO L85 PathProgramCache]: Analyzing trace with hash -92856137, now seen corresponding path program 1 times [2022-11-21 09:06:53,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:06:53,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121624830] [2022-11-21 09:06:53,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:06:53,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:06:53,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:53,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:06:53,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:06:53,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121624830] [2022-11-21 09:06:53,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121624830] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:06:53,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:06:53,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:06:53,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3838747] [2022-11-21 09:06:53,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:06:53,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:06:53,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:06:53,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:06:53,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:06:53,517 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 501 [2022-11-21 09:06:53,519 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 392 places, 395 transitions, 800 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:53,519 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:06:53,519 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 501 [2022-11-21 09:06:53,520 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:06:53,917 INFO L130 PetriNetUnfolder]: 152/826 cut-off events. [2022-11-21 09:06:53,917 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-21 09:06:53,921 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1056 conditions, 826 events. 152/826 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3300 event pairs, 73 based on Foata normal form. 0/708 useless extension candidates. Maximal degree in co-relation 1007. Up to 208 conditions per place. [2022-11-21 09:06:53,927 INFO L137 encePairwiseOnDemand]: 498/501 looper letters, 20 selfloop transitions, 2 changer transitions 0/394 dead transitions. [2022-11-21 09:06:53,927 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 394 transitions, 842 flow [2022-11-21 09:06:53,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:06:53,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:06:53,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1229 transitions. [2022-11-21 09:06:53,932 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8176979374584165 [2022-11-21 09:06:53,932 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1229 transitions. [2022-11-21 09:06:53,932 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1229 transitions. [2022-11-21 09:06:53,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:06:53,934 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1229 transitions. [2022-11-21 09:06:53,937 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 409.6666666666667) internal successors, (1229), 3 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:53,942 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:53,943 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:53,944 INFO L175 Difference]: Start difference. First operand has 392 places, 395 transitions, 800 flow. Second operand 3 states and 1229 transitions. [2022-11-21 09:06:53,944 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 394 transitions, 842 flow [2022-11-21 09:06:53,947 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 394 transitions, 838 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:06:53,954 INFO L231 Difference]: Finished difference. Result has 391 places, 394 transitions, 798 flow [2022-11-21 09:06:53,955 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=794, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=392, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=798, PETRI_PLACES=391, PETRI_TRANSITIONS=394} [2022-11-21 09:06:53,956 INFO L288 CegarLoopForPetriNet]: 463 programPoint places, -72 predicate places. [2022-11-21 09:06:53,956 INFO L495 AbstractCegarLoop]: Abstraction has has 391 places, 394 transitions, 798 flow [2022-11-21 09:06:53,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:53,957 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:06:53,958 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:06:53,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 09:06:53,958 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-21 09:06:53,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:06:53,959 INFO L85 PathProgramCache]: Analyzing trace with hash 833465110, now seen corresponding path program 1 times [2022-11-21 09:06:53,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:06:53,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766326485] [2022-11-21 09:06:53,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:06:53,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:06:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:54,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:06:54,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:06:54,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766326485] [2022-11-21 09:06:54,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766326485] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:06:54,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:06:54,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:06:54,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147114199] [2022-11-21 09:06:54,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:06:54,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:06:54,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:06:54,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:06:54,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:06:54,071 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 501 [2022-11-21 09:06:54,073 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 394 transitions, 798 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:54,074 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:06:54,074 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 501 [2022-11-21 09:06:54,074 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:06:54,468 INFO L130 PetriNetUnfolder]: 152/825 cut-off events. [2022-11-21 09:06:54,469 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-21 09:06:54,472 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1055 conditions, 825 events. 152/825 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3297 event pairs, 73 based on Foata normal form. 0/708 useless extension candidates. Maximal degree in co-relation 999. Up to 208 conditions per place. [2022-11-21 09:06:54,477 INFO L137 encePairwiseOnDemand]: 498/501 looper letters, 20 selfloop transitions, 2 changer transitions 0/393 dead transitions. [2022-11-21 09:06:54,478 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 392 places, 393 transitions, 840 flow [2022-11-21 09:06:54,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:06:54,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:06:54,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1229 transitions. [2022-11-21 09:06:54,483 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8176979374584165 [2022-11-21 09:06:54,486 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1229 transitions. [2022-11-21 09:06:54,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1229 transitions. [2022-11-21 09:06:54,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:06:54,487 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1229 transitions. [2022-11-21 09:06:54,491 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 409.6666666666667) internal successors, (1229), 3 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:54,495 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:54,497 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:54,497 INFO L175 Difference]: Start difference. First operand has 391 places, 394 transitions, 798 flow. Second operand 3 states and 1229 transitions. [2022-11-21 09:06:54,497 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 392 places, 393 transitions, 840 flow [2022-11-21 09:06:54,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 390 places, 393 transitions, 836 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:06:54,506 INFO L231 Difference]: Finished difference. Result has 390 places, 393 transitions, 796 flow [2022-11-21 09:06:54,507 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=792, PETRI_DIFFERENCE_MINUEND_PLACES=388, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=393, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=391, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=796, PETRI_PLACES=390, PETRI_TRANSITIONS=393} [2022-11-21 09:06:54,508 INFO L288 CegarLoopForPetriNet]: 463 programPoint places, -73 predicate places. [2022-11-21 09:06:54,509 INFO L495 AbstractCegarLoop]: Abstraction has has 390 places, 393 transitions, 796 flow [2022-11-21 09:06:54,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:54,510 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:06:54,510 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:06:54,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 09:06:54,511 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-21 09:06:54,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:06:54,511 INFO L85 PathProgramCache]: Analyzing trace with hash 18964724, now seen corresponding path program 1 times [2022-11-21 09:06:54,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:06:54,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133569500] [2022-11-21 09:06:54,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:06:54,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:06:54,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:54,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:06:54,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:06:54,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133569500] [2022-11-21 09:06:54,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133569500] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:06:54,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:06:54,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:06:54,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364465601] [2022-11-21 09:06:54,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:06:54,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:06:54,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:06:54,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:06:54,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:06:54,598 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 501 [2022-11-21 09:06:54,600 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 393 transitions, 796 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:54,600 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:06:54,600 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 501 [2022-11-21 09:06:54,601 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:06:54,994 INFO L130 PetriNetUnfolder]: 212/1055 cut-off events. [2022-11-21 09:06:54,994 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-21 09:06:54,999 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1373 conditions, 1055 events. 212/1055 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 5454 event pairs, 109 based on Foata normal form. 0/912 useless extension candidates. Maximal degree in co-relation 1309. Up to 287 conditions per place. [2022-11-21 09:06:55,005 INFO L137 encePairwiseOnDemand]: 498/501 looper letters, 19 selfloop transitions, 1 changer transitions 0/391 dead transitions. [2022-11-21 09:06:55,005 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 391 transitions, 832 flow [2022-11-21 09:06:55,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:06:55,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:06:55,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1228 transitions. [2022-11-21 09:06:55,010 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8170326014637392 [2022-11-21 09:06:55,010 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1228 transitions. [2022-11-21 09:06:55,010 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1228 transitions. [2022-11-21 09:06:55,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:06:55,012 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1228 transitions. [2022-11-21 09:06:55,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 409.3333333333333) internal successors, (1228), 3 states have internal predecessors, (1228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:55,021 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:55,022 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:55,023 INFO L175 Difference]: Start difference. First operand has 390 places, 393 transitions, 796 flow. Second operand 3 states and 1228 transitions. [2022-11-21 09:06:55,023 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 390 places, 391 transitions, 832 flow [2022-11-21 09:06:55,027 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 391 transitions, 828 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:06:55,034 INFO L231 Difference]: Finished difference. Result has 388 places, 391 transitions, 790 flow [2022-11-21 09:06:55,035 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=788, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=390, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=790, PETRI_PLACES=388, PETRI_TRANSITIONS=391} [2022-11-21 09:06:55,036 INFO L288 CegarLoopForPetriNet]: 463 programPoint places, -75 predicate places. [2022-11-21 09:06:55,036 INFO L495 AbstractCegarLoop]: Abstraction has has 388 places, 391 transitions, 790 flow [2022-11-21 09:06:55,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:55,037 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:06:55,038 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:06:55,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 09:06:55,038 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-21 09:06:55,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:06:55,039 INFO L85 PathProgramCache]: Analyzing trace with hash 919831977, now seen corresponding path program 1 times [2022-11-21 09:06:55,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:06:55,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378472402] [2022-11-21 09:06:55,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:06:55,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:06:55,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:55,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:06:55,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:06:55,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378472402] [2022-11-21 09:06:55,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378472402] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:06:55,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:06:55,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:06:55,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174321184] [2022-11-21 09:06:55,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:06:55,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:06:55,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:06:55,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:06:55,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:06:55,191 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 501 [2022-11-21 09:06:55,194 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 391 transitions, 790 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:55,194 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:06:55,194 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 501 [2022-11-21 09:06:55,195 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:06:55,648 INFO L130 PetriNetUnfolder]: 220/1315 cut-off events. [2022-11-21 09:06:55,649 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-21 09:06:55,653 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1637 conditions, 1315 events. 220/1315 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 7101 event pairs, 110 based on Foata normal form. 0/1076 useless extension candidates. Maximal degree in co-relation 1574. Up to 292 conditions per place. [2022-11-21 09:06:55,659 INFO L137 encePairwiseOnDemand]: 498/501 looper letters, 20 selfloop transitions, 2 changer transitions 0/390 dead transitions. [2022-11-21 09:06:55,660 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 390 transitions, 832 flow [2022-11-21 09:06:55,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:06:55,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:06:55,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1229 transitions. [2022-11-21 09:06:55,664 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8176979374584165 [2022-11-21 09:06:55,664 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1229 transitions. [2022-11-21 09:06:55,664 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1229 transitions. [2022-11-21 09:06:55,665 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:06:55,665 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1229 transitions. [2022-11-21 09:06:55,669 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 409.6666666666667) internal successors, (1229), 3 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:55,672 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:55,674 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:55,674 INFO L175 Difference]: Start difference. First operand has 388 places, 391 transitions, 790 flow. Second operand 3 states and 1229 transitions. [2022-11-21 09:06:55,674 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 390 transitions, 832 flow [2022-11-21 09:06:55,677 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 390 transitions, 831 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 09:06:55,682 INFO L231 Difference]: Finished difference. Result has 388 places, 390 transitions, 791 flow [2022-11-21 09:06:55,683 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=787, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=390, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=791, PETRI_PLACES=388, PETRI_TRANSITIONS=390} [2022-11-21 09:06:55,687 INFO L288 CegarLoopForPetriNet]: 463 programPoint places, -75 predicate places. [2022-11-21 09:06:55,688 INFO L495 AbstractCegarLoop]: Abstraction has has 388 places, 390 transitions, 791 flow [2022-11-21 09:06:55,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:55,690 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:06:55,690 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:06:55,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 09:06:55,690 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-21 09:06:55,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:06:55,691 INFO L85 PathProgramCache]: Analyzing trace with hash -154468341, now seen corresponding path program 1 times [2022-11-21 09:06:55,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:06:55,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762374017] [2022-11-21 09:06:55,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:06:55,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:06:55,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:56,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:06:56,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:06:56,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762374017] [2022-11-21 09:06:56,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762374017] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:06:56,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:06:56,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 09:06:56,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139349072] [2022-11-21 09:06:56,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:06:56,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 09:06:56,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:06:56,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 09:06:56,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 09:06:56,271 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 336 out of 501 [2022-11-21 09:06:56,274 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 390 transitions, 791 flow. Second operand has 6 states, 6 states have (on average 337.8333333333333) internal successors, (2027), 6 states have internal predecessors, (2027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:56,275 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:06:56,275 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 336 of 501 [2022-11-21 09:06:56,275 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:06:58,450 INFO L130 PetriNetUnfolder]: 2091/5451 cut-off events. [2022-11-21 09:06:58,450 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 09:06:58,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8242 conditions, 5451 events. 2091/5451 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 42560 event pairs, 1328 based on Foata normal form. 0/4582 useless extension candidates. Maximal degree in co-relation 8180. Up to 2734 conditions per place. [2022-11-21 09:06:58,503 INFO L137 encePairwiseOnDemand]: 483/501 looper letters, 71 selfloop transitions, 15 changer transitions 0/387 dead transitions. [2022-11-21 09:06:58,504 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 387 transitions, 957 flow [2022-11-21 09:06:58,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 09:06:58,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 09:06:58,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2105 transitions. [2022-11-21 09:06:58,510 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7002661343978709 [2022-11-21 09:06:58,510 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2105 transitions. [2022-11-21 09:06:58,510 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2105 transitions. [2022-11-21 09:06:58,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:06:58,512 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2105 transitions. [2022-11-21 09:06:58,519 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 350.8333333333333) internal successors, (2105), 6 states have internal predecessors, (2105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:58,524 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 501.0) internal successors, (3507), 7 states have internal predecessors, (3507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:58,526 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 501.0) internal successors, (3507), 7 states have internal predecessors, (3507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:58,526 INFO L175 Difference]: Start difference. First operand has 388 places, 390 transitions, 791 flow. Second operand 6 states and 2105 transitions. [2022-11-21 09:06:58,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 390 places, 387 transitions, 957 flow [2022-11-21 09:06:58,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 387 transitions, 953 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:06:58,534 INFO L231 Difference]: Finished difference. Result has 388 places, 387 transitions, 811 flow [2022-11-21 09:06:58,535 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=781, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=387, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=811, PETRI_PLACES=388, PETRI_TRANSITIONS=387} [2022-11-21 09:06:58,536 INFO L288 CegarLoopForPetriNet]: 463 programPoint places, -75 predicate places. [2022-11-21 09:06:58,536 INFO L495 AbstractCegarLoop]: Abstraction has has 388 places, 387 transitions, 811 flow [2022-11-21 09:06:58,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 337.8333333333333) internal successors, (2027), 6 states have internal predecessors, (2027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:58,537 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:06:58,538 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:06:58,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 09:06:58,539 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-21 09:06:58,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:06:58,539 INFO L85 PathProgramCache]: Analyzing trace with hash -197985190, now seen corresponding path program 1 times [2022-11-21 09:06:58,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:06:58,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049324757] [2022-11-21 09:06:58,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:06:58,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:06:58,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:58,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:06:58,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:06:58,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049324757] [2022-11-21 09:06:58,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049324757] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:06:58,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:06:58,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:06:58,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191962786] [2022-11-21 09:06:58,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:06:58,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:06:58,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:06:58,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:06:58,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:06:58,648 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 501 [2022-11-21 09:06:58,650 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 387 transitions, 811 flow. Second operand has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:58,650 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:06:58,650 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 501 [2022-11-21 09:06:58,650 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:06:58,915 INFO L130 PetriNetUnfolder]: 152/817 cut-off events. [2022-11-21 09:06:58,915 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-21 09:06:58,919 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1057 conditions, 817 events. 152/817 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3247 event pairs, 73 based on Foata normal form. 0/708 useless extension candidates. Maximal degree in co-relation 1009. Up to 203 conditions per place. [2022-11-21 09:06:58,923 INFO L137 encePairwiseOnDemand]: 499/501 looper letters, 17 selfloop transitions, 1 changer transitions 0/386 dead transitions. [2022-11-21 09:06:58,924 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 386 transitions, 845 flow [2022-11-21 09:06:58,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:06:58,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:06:58,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1234 transitions. [2022-11-21 09:06:58,928 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8210246174318031 [2022-11-21 09:06:58,932 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1234 transitions. [2022-11-21 09:06:58,932 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1234 transitions. [2022-11-21 09:06:58,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:06:58,933 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1234 transitions. [2022-11-21 09:06:58,936 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 411.3333333333333) internal successors, (1234), 3 states have internal predecessors, (1234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:58,939 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:58,940 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:58,941 INFO L175 Difference]: Start difference. First operand has 388 places, 387 transitions, 811 flow. Second operand 3 states and 1234 transitions. [2022-11-21 09:06:58,941 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 386 transitions, 845 flow [2022-11-21 09:06:58,944 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 386 transitions, 815 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-21 09:06:58,949 INFO L231 Difference]: Finished difference. Result has 384 places, 386 transitions, 781 flow [2022-11-21 09:06:58,950 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=779, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=386, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=385, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=781, PETRI_PLACES=384, PETRI_TRANSITIONS=386} [2022-11-21 09:06:58,953 INFO L288 CegarLoopForPetriNet]: 463 programPoint places, -79 predicate places. [2022-11-21 09:06:58,953 INFO L495 AbstractCegarLoop]: Abstraction has has 384 places, 386 transitions, 781 flow [2022-11-21 09:06:58,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:58,970 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:06:58,971 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:06:58,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 09:06:58,971 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-21 09:06:58,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:06:58,972 INFO L85 PathProgramCache]: Analyzing trace with hash 2027387833, now seen corresponding path program 1 times [2022-11-21 09:06:58,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:06:58,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436515968] [2022-11-21 09:06:58,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:06:58,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:06:58,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:59,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:06:59,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:06:59,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436515968] [2022-11-21 09:06:59,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436515968] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:06:59,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:06:59,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:06:59,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844416670] [2022-11-21 09:06:59,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:06:59,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:06:59,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:06:59,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:06:59,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:06:59,027 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 501 [2022-11-21 09:06:59,029 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 386 transitions, 781 flow. Second operand has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:59,029 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:06:59,030 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 501 [2022-11-21 09:06:59,030 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:06:59,338 INFO L130 PetriNetUnfolder]: 152/816 cut-off events. [2022-11-21 09:06:59,339 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-21 09:06:59,342 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1043 conditions, 816 events. 152/816 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3247 event pairs, 73 based on Foata normal form. 0/708 useless extension candidates. Maximal degree in co-relation 980. Up to 205 conditions per place. [2022-11-21 09:06:59,346 INFO L137 encePairwiseOnDemand]: 498/501 looper letters, 17 selfloop transitions, 2 changer transitions 0/385 dead transitions. [2022-11-21 09:06:59,346 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 385 transitions, 817 flow [2022-11-21 09:06:59,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:06:59,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:06:59,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1235 transitions. [2022-11-21 09:06:59,350 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8216899534264803 [2022-11-21 09:06:59,350 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1235 transitions. [2022-11-21 09:06:59,350 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1235 transitions. [2022-11-21 09:06:59,351 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:06:59,352 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1235 transitions. [2022-11-21 09:06:59,355 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 411.6666666666667) internal successors, (1235), 3 states have internal predecessors, (1235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:59,358 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:59,359 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:59,360 INFO L175 Difference]: Start difference. First operand has 384 places, 386 transitions, 781 flow. Second operand 3 states and 1235 transitions. [2022-11-21 09:06:59,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 385 transitions, 817 flow [2022-11-21 09:06:59,363 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 385 transitions, 816 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 09:06:59,369 INFO L231 Difference]: Finished difference. Result has 384 places, 385 transitions, 782 flow [2022-11-21 09:06:59,370 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=778, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=383, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=782, PETRI_PLACES=384, PETRI_TRANSITIONS=385} [2022-11-21 09:06:59,370 INFO L288 CegarLoopForPetriNet]: 463 programPoint places, -79 predicate places. [2022-11-21 09:06:59,371 INFO L495 AbstractCegarLoop]: Abstraction has has 384 places, 385 transitions, 782 flow [2022-11-21 09:06:59,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:59,372 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:06:59,372 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:06:59,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 09:06:59,372 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-21 09:06:59,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:06:59,373 INFO L85 PathProgramCache]: Analyzing trace with hash 137316523, now seen corresponding path program 1 times [2022-11-21 09:06:59,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:06:59,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529659667] [2022-11-21 09:06:59,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:06:59,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:06:59,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:59,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:06:59,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:06:59,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529659667] [2022-11-21 09:06:59,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529659667] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:06:59,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:06:59,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:06:59,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675519476] [2022-11-21 09:06:59,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:06:59,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:06:59,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:06:59,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:06:59,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:06:59,437 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 501 [2022-11-21 09:06:59,439 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 385 transitions, 782 flow. Second operand has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:59,439 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:06:59,439 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 501 [2022-11-21 09:06:59,439 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:06:59,714 INFO L130 PetriNetUnfolder]: 152/815 cut-off events. [2022-11-21 09:06:59,715 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-21 09:06:59,719 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1043 conditions, 815 events. 152/815 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3231 event pairs, 73 based on Foata normal form. 0/708 useless extension candidates. Maximal degree in co-relation 979. Up to 203 conditions per place. [2022-11-21 09:06:59,724 INFO L137 encePairwiseOnDemand]: 499/501 looper letters, 17 selfloop transitions, 1 changer transitions 0/384 dead transitions. [2022-11-21 09:06:59,724 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 384 transitions, 816 flow [2022-11-21 09:06:59,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:06:59,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:06:59,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1234 transitions. [2022-11-21 09:06:59,728 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8210246174318031 [2022-11-21 09:06:59,729 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1234 transitions. [2022-11-21 09:06:59,729 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1234 transitions. [2022-11-21 09:06:59,730 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:06:59,730 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1234 transitions. [2022-11-21 09:06:59,733 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 411.3333333333333) internal successors, (1234), 3 states have internal predecessors, (1234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:59,737 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:59,738 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:59,738 INFO L175 Difference]: Start difference. First operand has 384 places, 385 transitions, 782 flow. Second operand 3 states and 1234 transitions. [2022-11-21 09:06:59,738 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 384 transitions, 816 flow [2022-11-21 09:06:59,742 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 384 transitions, 812 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:06:59,747 INFO L231 Difference]: Finished difference. Result has 383 places, 384 transitions, 778 flow [2022-11-21 09:06:59,748 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=776, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=384, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=383, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=778, PETRI_PLACES=383, PETRI_TRANSITIONS=384} [2022-11-21 09:06:59,749 INFO L288 CegarLoopForPetriNet]: 463 programPoint places, -80 predicate places. [2022-11-21 09:06:59,749 INFO L495 AbstractCegarLoop]: Abstraction has has 383 places, 384 transitions, 778 flow [2022-11-21 09:06:59,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:59,750 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:06:59,751 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:06:59,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-21 09:06:59,751 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-21 09:06:59,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:06:59,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1473717602, now seen corresponding path program 1 times [2022-11-21 09:06:59,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:06:59,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080103124] [2022-11-21 09:06:59,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:06:59,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:06:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:59,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:06:59,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:06:59,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080103124] [2022-11-21 09:06:59,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080103124] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:06:59,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:06:59,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:06:59,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959387625] [2022-11-21 09:06:59,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:06:59,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:06:59,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:06:59,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:06:59,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:06:59,828 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 501 [2022-11-21 09:06:59,830 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 384 transitions, 778 flow. Second operand has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:06:59,830 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:06:59,830 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 501 [2022-11-21 09:06:59,831 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:07:00,161 INFO L130 PetriNetUnfolder]: 152/814 cut-off events. [2022-11-21 09:07:00,162 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-21 09:07:00,166 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1042 conditions, 814 events. 152/814 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3238 event pairs, 73 based on Foata normal form. 0/708 useless extension candidates. Maximal degree in co-relation 979. Up to 205 conditions per place. [2022-11-21 09:07:00,170 INFO L137 encePairwiseOnDemand]: 498/501 looper letters, 17 selfloop transitions, 2 changer transitions 0/383 dead transitions. [2022-11-21 09:07:00,171 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 383 transitions, 814 flow [2022-11-21 09:07:00,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:07:00,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:07:00,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1235 transitions. [2022-11-21 09:07:00,175 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8216899534264803 [2022-11-21 09:07:00,175 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1235 transitions. [2022-11-21 09:07:00,176 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1235 transitions. [2022-11-21 09:07:00,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:07:00,177 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1235 transitions. [2022-11-21 09:07:00,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 411.6666666666667) internal successors, (1235), 3 states have internal predecessors, (1235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:00,184 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:00,185 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:00,185 INFO L175 Difference]: Start difference. First operand has 383 places, 384 transitions, 778 flow. Second operand 3 states and 1235 transitions. [2022-11-21 09:07:00,185 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 383 transitions, 814 flow [2022-11-21 09:07:00,188 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 383 transitions, 813 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 09:07:00,194 INFO L231 Difference]: Finished difference. Result has 383 places, 383 transitions, 779 flow [2022-11-21 09:07:00,195 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=775, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=779, PETRI_PLACES=383, PETRI_TRANSITIONS=383} [2022-11-21 09:07:00,196 INFO L288 CegarLoopForPetriNet]: 463 programPoint places, -80 predicate places. [2022-11-21 09:07:00,196 INFO L495 AbstractCegarLoop]: Abstraction has has 383 places, 383 transitions, 779 flow [2022-11-21 09:07:00,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:00,197 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:07:00,197 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:07:00,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-21 09:07:00,197 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-21 09:07:00,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:07:00,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1875088679, now seen corresponding path program 1 times [2022-11-21 09:07:00,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:07:00,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174979923] [2022-11-21 09:07:00,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:07:00,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:07:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:00,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:07:00,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:07:00,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174979923] [2022-11-21 09:07:00,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174979923] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:07:00,275 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:07:00,275 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:07:00,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530933125] [2022-11-21 09:07:00,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:07:00,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:07:00,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:07:00,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:07:00,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:07:00,279 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 501 [2022-11-21 09:07:00,281 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 383 transitions, 779 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:00,281 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:07:00,281 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 501 [2022-11-21 09:07:00,281 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:07:00,592 INFO L130 PetriNetUnfolder]: 152/813 cut-off events. [2022-11-21 09:07:00,592 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-21 09:07:00,597 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1046 conditions, 813 events. 152/813 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3242 event pairs, 73 based on Foata normal form. 0/708 useless extension candidates. Maximal degree in co-relation 983. Up to 208 conditions per place. [2022-11-21 09:07:00,602 INFO L137 encePairwiseOnDemand]: 498/501 looper letters, 20 selfloop transitions, 2 changer transitions 0/382 dead transitions. [2022-11-21 09:07:00,602 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 382 transitions, 821 flow [2022-11-21 09:07:00,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:07:00,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:07:00,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1229 transitions. [2022-11-21 09:07:00,607 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8176979374584165 [2022-11-21 09:07:00,608 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1229 transitions. [2022-11-21 09:07:00,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1229 transitions. [2022-11-21 09:07:00,609 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:07:00,609 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1229 transitions. [2022-11-21 09:07:00,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 409.6666666666667) internal successors, (1229), 3 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:00,617 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:00,618 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:00,619 INFO L175 Difference]: Start difference. First operand has 383 places, 383 transitions, 779 flow. Second operand 3 states and 1229 transitions. [2022-11-21 09:07:00,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 382 transitions, 821 flow [2022-11-21 09:07:00,623 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 382 transitions, 817 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:07:00,629 INFO L231 Difference]: Finished difference. Result has 382 places, 382 transitions, 777 flow [2022-11-21 09:07:00,630 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=773, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=777, PETRI_PLACES=382, PETRI_TRANSITIONS=382} [2022-11-21 09:07:00,631 INFO L288 CegarLoopForPetriNet]: 463 programPoint places, -81 predicate places. [2022-11-21 09:07:00,631 INFO L495 AbstractCegarLoop]: Abstraction has has 382 places, 382 transitions, 777 flow [2022-11-21 09:07:00,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:00,632 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:07:00,632 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:07:00,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-21 09:07:00,633 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-21 09:07:00,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:07:00,634 INFO L85 PathProgramCache]: Analyzing trace with hash -134106418, now seen corresponding path program 1 times [2022-11-21 09:07:00,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:07:00,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258580253] [2022-11-21 09:07:00,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:07:00,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:07:00,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:00,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:07:00,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:07:00,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258580253] [2022-11-21 09:07:00,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258580253] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:07:00,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:07:00,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:07:00,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129577635] [2022-11-21 09:07:00,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:07:00,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:07:00,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:07:00,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:07:00,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:07:00,726 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 501 [2022-11-21 09:07:00,728 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 382 transitions, 777 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:00,729 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:07:00,729 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 501 [2022-11-21 09:07:00,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:07:01,051 INFO L130 PetriNetUnfolder]: 152/812 cut-off events. [2022-11-21 09:07:01,051 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-21 09:07:01,055 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1045 conditions, 812 events. 152/812 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3243 event pairs, 73 based on Foata normal form. 0/708 useless extension candidates. Maximal degree in co-relation 982. Up to 208 conditions per place. [2022-11-21 09:07:01,059 INFO L137 encePairwiseOnDemand]: 498/501 looper letters, 20 selfloop transitions, 2 changer transitions 0/381 dead transitions. [2022-11-21 09:07:01,059 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 381 transitions, 819 flow [2022-11-21 09:07:01,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:07:01,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:07:01,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1229 transitions. [2022-11-21 09:07:01,064 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8176979374584165 [2022-11-21 09:07:01,064 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1229 transitions. [2022-11-21 09:07:01,064 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1229 transitions. [2022-11-21 09:07:01,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:07:01,065 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1229 transitions. [2022-11-21 09:07:01,069 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 409.6666666666667) internal successors, (1229), 3 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:01,073 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:01,074 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:01,075 INFO L175 Difference]: Start difference. First operand has 382 places, 382 transitions, 777 flow. Second operand 3 states and 1229 transitions. [2022-11-21 09:07:01,075 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 381 transitions, 819 flow [2022-11-21 09:07:01,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 381 transitions, 815 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:07:01,084 INFO L231 Difference]: Finished difference. Result has 381 places, 381 transitions, 775 flow [2022-11-21 09:07:01,085 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=771, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=379, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=775, PETRI_PLACES=381, PETRI_TRANSITIONS=381} [2022-11-21 09:07:01,086 INFO L288 CegarLoopForPetriNet]: 463 programPoint places, -82 predicate places. [2022-11-21 09:07:01,086 INFO L495 AbstractCegarLoop]: Abstraction has has 381 places, 381 transitions, 775 flow [2022-11-21 09:07:01,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:01,087 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:07:01,087 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:07:01,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-21 09:07:01,088 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-21 09:07:01,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:07:01,089 INFO L85 PathProgramCache]: Analyzing trace with hash -236139500, now seen corresponding path program 1 times [2022-11-21 09:07:01,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:07:01,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134249193] [2022-11-21 09:07:01,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:07:01,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:07:01,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:01,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:07:01,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:07:01,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134249193] [2022-11-21 09:07:01,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134249193] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:07:01,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:07:01,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:07:01,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508155540] [2022-11-21 09:07:01,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:07:01,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:07:01,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:07:01,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:07:01,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:07:01,188 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 501 [2022-11-21 09:07:01,190 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 381 transitions, 775 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:01,191 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:07:01,191 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 501 [2022-11-21 09:07:01,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:07:01,475 INFO L130 PetriNetUnfolder]: 152/811 cut-off events. [2022-11-21 09:07:01,475 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-21 09:07:01,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1044 conditions, 811 events. 152/811 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3256 event pairs, 73 based on Foata normal form. 0/708 useless extension candidates. Maximal degree in co-relation 981. Up to 208 conditions per place. [2022-11-21 09:07:01,483 INFO L137 encePairwiseOnDemand]: 498/501 looper letters, 20 selfloop transitions, 2 changer transitions 0/380 dead transitions. [2022-11-21 09:07:01,483 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 380 transitions, 817 flow [2022-11-21 09:07:01,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:07:01,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:07:01,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1229 transitions. [2022-11-21 09:07:01,487 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8176979374584165 [2022-11-21 09:07:01,487 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1229 transitions. [2022-11-21 09:07:01,487 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1229 transitions. [2022-11-21 09:07:01,488 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:07:01,488 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1229 transitions. [2022-11-21 09:07:01,491 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 409.6666666666667) internal successors, (1229), 3 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:01,494 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:01,495 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:01,495 INFO L175 Difference]: Start difference. First operand has 381 places, 381 transitions, 775 flow. Second operand 3 states and 1229 transitions. [2022-11-21 09:07:01,495 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 380 transitions, 817 flow [2022-11-21 09:07:01,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 380 transitions, 813 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:07:01,503 INFO L231 Difference]: Finished difference. Result has 380 places, 380 transitions, 773 flow [2022-11-21 09:07:01,504 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=769, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=773, PETRI_PLACES=380, PETRI_TRANSITIONS=380} [2022-11-21 09:07:01,505 INFO L288 CegarLoopForPetriNet]: 463 programPoint places, -83 predicate places. [2022-11-21 09:07:01,505 INFO L495 AbstractCegarLoop]: Abstraction has has 380 places, 380 transitions, 773 flow [2022-11-21 09:07:01,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:01,506 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:07:01,506 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:07:01,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-21 09:07:01,506 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-21 09:07:01,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:07:01,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1529021287, now seen corresponding path program 1 times [2022-11-21 09:07:01,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:07:01,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435895488] [2022-11-21 09:07:01,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:07:01,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:07:01,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:01,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:07:01,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:07:01,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435895488] [2022-11-21 09:07:01,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435895488] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:07:01,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:07:01,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:07:01,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707571581] [2022-11-21 09:07:01,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:07:01,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:07:01,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:07:01,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:07:01,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:07:01,608 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 501 [2022-11-21 09:07:01,611 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 380 transitions, 773 flow. Second operand has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:01,611 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:07:01,611 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 501 [2022-11-21 09:07:01,611 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:07:01,877 INFO L130 PetriNetUnfolder]: 154/896 cut-off events. [2022-11-21 09:07:01,877 INFO L131 PetriNetUnfolder]: For 13/16 co-relation queries the response was YES. [2022-11-21 09:07:01,881 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1124 conditions, 896 events. 154/896 cut-off events. For 13/16 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 3888 event pairs, 48 based on Foata normal form. 0/767 useless extension candidates. Maximal degree in co-relation 1062. Up to 153 conditions per place. [2022-11-21 09:07:01,885 INFO L137 encePairwiseOnDemand]: 498/501 looper letters, 25 selfloop transitions, 2 changer transitions 0/388 dead transitions. [2022-11-21 09:07:01,885 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 388 transitions, 845 flow [2022-11-21 09:07:01,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:07:01,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:07:01,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1243 transitions. [2022-11-21 09:07:01,889 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8270126413838988 [2022-11-21 09:07:01,889 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1243 transitions. [2022-11-21 09:07:01,889 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1243 transitions. [2022-11-21 09:07:01,890 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:07:01,890 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1243 transitions. [2022-11-21 09:07:01,893 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 414.3333333333333) internal successors, (1243), 3 states have internal predecessors, (1243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:01,896 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:01,897 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:01,898 INFO L175 Difference]: Start difference. First operand has 380 places, 380 transitions, 773 flow. Second operand 3 states and 1243 transitions. [2022-11-21 09:07:01,898 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 388 transitions, 845 flow [2022-11-21 09:07:01,901 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 388 transitions, 841 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:07:01,906 INFO L231 Difference]: Finished difference. Result has 380 places, 380 transitions, 777 flow [2022-11-21 09:07:01,907 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=767, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=777, PETRI_PLACES=380, PETRI_TRANSITIONS=380} [2022-11-21 09:07:01,908 INFO L288 CegarLoopForPetriNet]: 463 programPoint places, -83 predicate places. [2022-11-21 09:07:01,908 INFO L495 AbstractCegarLoop]: Abstraction has has 380 places, 380 transitions, 777 flow [2022-11-21 09:07:01,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:01,909 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:07:01,909 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:07:01,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-21 09:07:01,910 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-21 09:07:01,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:07:01,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1160402788, now seen corresponding path program 1 times [2022-11-21 09:07:01,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:07:01,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845905173] [2022-11-21 09:07:01,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:07:01,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:07:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:01,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:07:01,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:07:01,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845905173] [2022-11-21 09:07:01,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845905173] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:07:01,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:07:01,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:07:01,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006755189] [2022-11-21 09:07:01,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:07:01,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:07:01,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:07:01,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:07:01,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:07:01,996 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 396 out of 501 [2022-11-21 09:07:01,998 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 380 transitions, 777 flow. Second operand has 3 states, 3 states have (on average 397.3333333333333) internal successors, (1192), 3 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:01,998 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:07:01,998 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 396 of 501 [2022-11-21 09:07:01,998 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:07:02,455 INFO L130 PetriNetUnfolder]: 373/1540 cut-off events. [2022-11-21 09:07:02,456 INFO L131 PetriNetUnfolder]: For 116/116 co-relation queries the response was YES. [2022-11-21 09:07:02,462 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2280 conditions, 1540 events. 373/1540 cut-off events. For 116/116 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 9061 event pairs, 218 based on Foata normal form. 0/1300 useless extension candidates. Maximal degree in co-relation 2216. Up to 529 conditions per place. [2022-11-21 09:07:02,469 INFO L137 encePairwiseOnDemand]: 498/501 looper letters, 27 selfloop transitions, 2 changer transitions 0/379 dead transitions. [2022-11-21 09:07:02,469 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 379 transitions, 833 flow [2022-11-21 09:07:02,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:07:02,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:07:02,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1217 transitions. [2022-11-21 09:07:02,473 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8097139055222887 [2022-11-21 09:07:02,473 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1217 transitions. [2022-11-21 09:07:02,473 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1217 transitions. [2022-11-21 09:07:02,474 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:07:02,474 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1217 transitions. [2022-11-21 09:07:02,477 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 405.6666666666667) internal successors, (1217), 3 states have internal predecessors, (1217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:02,480 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:02,480 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:02,482 INFO L175 Difference]: Start difference. First operand has 380 places, 380 transitions, 777 flow. Second operand 3 states and 1217 transitions. [2022-11-21 09:07:02,482 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 379 transitions, 833 flow [2022-11-21 09:07:02,485 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 379 transitions, 831 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 09:07:02,489 INFO L231 Difference]: Finished difference. Result has 380 places, 379 transitions, 777 flow [2022-11-21 09:07:02,490 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=773, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=777, PETRI_PLACES=380, PETRI_TRANSITIONS=379} [2022-11-21 09:07:02,491 INFO L288 CegarLoopForPetriNet]: 463 programPoint places, -83 predicate places. [2022-11-21 09:07:02,491 INFO L495 AbstractCegarLoop]: Abstraction has has 380 places, 379 transitions, 777 flow [2022-11-21 09:07:02,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 397.3333333333333) internal successors, (1192), 3 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:02,492 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:07:02,492 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:07:02,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-21 09:07:02,492 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-21 09:07:02,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:07:02,493 INFO L85 PathProgramCache]: Analyzing trace with hash -630622702, now seen corresponding path program 1 times [2022-11-21 09:07:02,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:07:02,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841394230] [2022-11-21 09:07:02,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:07:02,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:07:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:02,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:07:02,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:07:02,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841394230] [2022-11-21 09:07:02,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841394230] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:07:02,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:07:02,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:07:02,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427919072] [2022-11-21 09:07:02,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:07:02,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:07:02,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:07:02,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:07:02,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:07:02,564 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 501 [2022-11-21 09:07:02,566 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 379 transitions, 777 flow. Second operand has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:02,566 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:07:02,566 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 501 [2022-11-21 09:07:02,566 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:07:02,878 INFO L130 PetriNetUnfolder]: 161/1029 cut-off events. [2022-11-21 09:07:02,878 INFO L131 PetriNetUnfolder]: For 49/50 co-relation queries the response was YES. [2022-11-21 09:07:02,882 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1305 conditions, 1029 events. 161/1029 cut-off events. For 49/50 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 4695 event pairs, 34 based on Foata normal form. 0/875 useless extension candidates. Maximal degree in co-relation 1242. Up to 126 conditions per place. [2022-11-21 09:07:02,885 INFO L137 encePairwiseOnDemand]: 498/501 looper letters, 27 selfloop transitions, 2 changer transitions 0/388 dead transitions. [2022-11-21 09:07:02,886 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 388 transitions, 859 flow [2022-11-21 09:07:02,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:07:02,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:07:02,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1243 transitions. [2022-11-21 09:07:02,889 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8270126413838988 [2022-11-21 09:07:02,889 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1243 transitions. [2022-11-21 09:07:02,889 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1243 transitions. [2022-11-21 09:07:02,890 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:07:02,890 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1243 transitions. [2022-11-21 09:07:02,893 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 414.3333333333333) internal successors, (1243), 3 states have internal predecessors, (1243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:02,895 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:02,896 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:02,896 INFO L175 Difference]: Start difference. First operand has 380 places, 379 transitions, 777 flow. Second operand 3 states and 1243 transitions. [2022-11-21 09:07:02,897 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 388 transitions, 859 flow [2022-11-21 09:07:02,899 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 388 transitions, 855 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:07:02,904 INFO L231 Difference]: Finished difference. Result has 380 places, 379 transitions, 781 flow [2022-11-21 09:07:02,905 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=771, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=781, PETRI_PLACES=380, PETRI_TRANSITIONS=379} [2022-11-21 09:07:02,905 INFO L288 CegarLoopForPetriNet]: 463 programPoint places, -83 predicate places. [2022-11-21 09:07:02,905 INFO L495 AbstractCegarLoop]: Abstraction has has 380 places, 379 transitions, 781 flow [2022-11-21 09:07:02,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:02,906 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:07:02,906 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:07:02,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-21 09:07:02,907 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-21 09:07:02,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:07:02,908 INFO L85 PathProgramCache]: Analyzing trace with hash 17704102, now seen corresponding path program 1 times [2022-11-21 09:07:02,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:07:02,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362588011] [2022-11-21 09:07:02,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:07:02,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:07:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:02,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:07:02,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:07:02,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362588011] [2022-11-21 09:07:02,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362588011] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:07:02,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:07:02,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:07:02,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296866646] [2022-11-21 09:07:02,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:07:02,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:07:02,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:07:02,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:07:02,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:07:02,981 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 501 [2022-11-21 09:07:02,983 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 379 transitions, 781 flow. Second operand has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:02,983 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:07:02,983 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 501 [2022-11-21 09:07:02,983 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:07:03,215 INFO L130 PetriNetUnfolder]: 152/825 cut-off events. [2022-11-21 09:07:03,215 INFO L131 PetriNetUnfolder]: For 84/84 co-relation queries the response was YES. [2022-11-21 09:07:03,220 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1152 conditions, 825 events. 152/825 cut-off events. For 84/84 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 3400 event pairs, 73 based on Foata normal form. 0/726 useless extension candidates. Maximal degree in co-relation 1087. Up to 214 conditions per place. [2022-11-21 09:07:03,223 INFO L137 encePairwiseOnDemand]: 498/501 looper letters, 19 selfloop transitions, 2 changer transitions 0/378 dead transitions. [2022-11-21 09:07:03,224 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 378 transitions, 821 flow [2022-11-21 09:07:03,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:07:03,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:07:03,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1235 transitions. [2022-11-21 09:07:03,227 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8216899534264803 [2022-11-21 09:07:03,228 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1235 transitions. [2022-11-21 09:07:03,228 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1235 transitions. [2022-11-21 09:07:03,229 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:07:03,229 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1235 transitions. [2022-11-21 09:07:03,231 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 411.6666666666667) internal successors, (1235), 3 states have internal predecessors, (1235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:03,234 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:03,235 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:03,235 INFO L175 Difference]: Start difference. First operand has 380 places, 379 transitions, 781 flow. Second operand 3 states and 1235 transitions. [2022-11-21 09:07:03,236 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 378 transitions, 821 flow [2022-11-21 09:07:03,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 378 transitions, 819 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 09:07:03,244 INFO L231 Difference]: Finished difference. Result has 380 places, 378 transitions, 781 flow [2022-11-21 09:07:03,244 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=777, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=781, PETRI_PLACES=380, PETRI_TRANSITIONS=378} [2022-11-21 09:07:03,245 INFO L288 CegarLoopForPetriNet]: 463 programPoint places, -83 predicate places. [2022-11-21 09:07:03,245 INFO L495 AbstractCegarLoop]: Abstraction has has 380 places, 378 transitions, 781 flow [2022-11-21 09:07:03,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:03,246 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:07:03,246 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:07:03,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-21 09:07:03,247 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-21 09:07:03,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:07:03,247 INFO L85 PathProgramCache]: Analyzing trace with hash -856432899, now seen corresponding path program 1 times [2022-11-21 09:07:03,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:07:03,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742813112] [2022-11-21 09:07:03,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:07:03,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:07:03,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:03,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:07:03,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:07:03,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742813112] [2022-11-21 09:07:03,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742813112] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:07:03,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:07:03,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:07:03,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270523600] [2022-11-21 09:07:03,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:07:03,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:07:03,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:07:03,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:07:03,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:07:03,321 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 501 [2022-11-21 09:07:03,322 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 378 transitions, 781 flow. Second operand has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:03,322 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:07:03,322 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 501 [2022-11-21 09:07:03,323 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:07:03,707 INFO L130 PetriNetUnfolder]: 236/1384 cut-off events. [2022-11-21 09:07:03,707 INFO L131 PetriNetUnfolder]: For 138/138 co-relation queries the response was YES. [2022-11-21 09:07:03,714 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1856 conditions, 1384 events. 236/1384 cut-off events. For 138/138 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 7794 event pairs, 73 based on Foata normal form. 0/1196 useless extension candidates. Maximal degree in co-relation 1792. Up to 212 conditions per place. [2022-11-21 09:07:03,720 INFO L137 encePairwiseOnDemand]: 497/501 looper letters, 30 selfloop transitions, 3 changer transitions 0/390 dead transitions. [2022-11-21 09:07:03,720 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 390 transitions, 884 flow [2022-11-21 09:07:03,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:07:03,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:07:03,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1245 transitions. [2022-11-21 09:07:03,724 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8283433133732535 [2022-11-21 09:07:03,724 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1245 transitions. [2022-11-21 09:07:03,724 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1245 transitions. [2022-11-21 09:07:03,725 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:07:03,725 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1245 transitions. [2022-11-21 09:07:03,727 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 415.0) internal successors, (1245), 3 states have internal predecessors, (1245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:03,730 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:03,731 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:03,731 INFO L175 Difference]: Start difference. First operand has 380 places, 378 transitions, 781 flow. Second operand 3 states and 1245 transitions. [2022-11-21 09:07:03,731 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 390 transitions, 884 flow [2022-11-21 09:07:03,736 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 390 transitions, 880 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:07:03,740 INFO L231 Difference]: Finished difference. Result has 380 places, 378 transitions, 788 flow [2022-11-21 09:07:03,741 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=775, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=788, PETRI_PLACES=380, PETRI_TRANSITIONS=378} [2022-11-21 09:07:03,741 INFO L288 CegarLoopForPetriNet]: 463 programPoint places, -83 predicate places. [2022-11-21 09:07:03,741 INFO L495 AbstractCegarLoop]: Abstraction has has 380 places, 378 transitions, 788 flow [2022-11-21 09:07:03,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:03,742 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:07:03,742 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:07:03,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-21 09:07:03,743 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-21 09:07:03,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:07:03,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1685882573, now seen corresponding path program 1 times [2022-11-21 09:07:03,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:07:03,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690054077] [2022-11-21 09:07:03,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:07:03,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:07:03,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:03,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:07:03,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:07:03,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690054077] [2022-11-21 09:07:03,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690054077] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:07:03,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:07:03,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:07:03,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438731304] [2022-11-21 09:07:03,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:07:03,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:07:03,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:07:03,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:07:03,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:07:03,808 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 501 [2022-11-21 09:07:03,810 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 378 transitions, 788 flow. Second operand has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:03,810 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:07:03,810 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 501 [2022-11-21 09:07:03,810 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:07:04,188 INFO L130 PetriNetUnfolder]: 224/1121 cut-off events. [2022-11-21 09:07:04,189 INFO L131 PetriNetUnfolder]: For 215/215 co-relation queries the response was YES. [2022-11-21 09:07:04,193 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1658 conditions, 1121 events. 224/1121 cut-off events. For 215/215 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 5646 event pairs, 123 based on Foata normal form. 0/982 useless extension candidates. Maximal degree in co-relation 1593. Up to 324 conditions per place. [2022-11-21 09:07:04,198 INFO L137 encePairwiseOnDemand]: 498/501 looper letters, 20 selfloop transitions, 2 changer transitions 0/377 dead transitions. [2022-11-21 09:07:04,198 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 377 transitions, 830 flow [2022-11-21 09:07:04,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:07:04,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:07:04,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1235 transitions. [2022-11-21 09:07:04,202 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8216899534264803 [2022-11-21 09:07:04,202 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1235 transitions. [2022-11-21 09:07:04,202 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1235 transitions. [2022-11-21 09:07:04,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:07:04,203 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1235 transitions. [2022-11-21 09:07:04,206 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 411.6666666666667) internal successors, (1235), 3 states have internal predecessors, (1235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:04,208 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:04,209 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:04,209 INFO L175 Difference]: Start difference. First operand has 380 places, 378 transitions, 788 flow. Second operand 3 states and 1235 transitions. [2022-11-21 09:07:04,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 377 transitions, 830 flow [2022-11-21 09:07:04,213 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 377 transitions, 827 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 09:07:04,218 INFO L231 Difference]: Finished difference. Result has 380 places, 377 transitions, 787 flow [2022-11-21 09:07:04,219 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=783, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=787, PETRI_PLACES=380, PETRI_TRANSITIONS=377} [2022-11-21 09:07:04,220 INFO L288 CegarLoopForPetriNet]: 463 programPoint places, -83 predicate places. [2022-11-21 09:07:04,220 INFO L495 AbstractCegarLoop]: Abstraction has has 380 places, 377 transitions, 787 flow [2022-11-21 09:07:04,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:04,221 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:07:04,221 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:07:04,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-21 09:07:04,221 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-21 09:07:04,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:07:04,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1218225490, now seen corresponding path program 1 times [2022-11-21 09:07:04,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:07:04,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96219093] [2022-11-21 09:07:04,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:07:04,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:07:04,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:04,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:07:04,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:07:04,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96219093] [2022-11-21 09:07:04,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96219093] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:07:04,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:07:04,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:07:04,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740098849] [2022-11-21 09:07:04,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:07:04,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:07:04,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:07:04,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:07:04,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:07:04,319 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 501 [2022-11-21 09:07:04,321 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 377 transitions, 787 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:04,321 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:07:04,322 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 501 [2022-11-21 09:07:04,322 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:07:04,769 INFO L130 PetriNetUnfolder]: 323/1589 cut-off events. [2022-11-21 09:07:04,769 INFO L131 PetriNetUnfolder]: For 229/244 co-relation queries the response was YES. [2022-11-21 09:07:04,776 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2308 conditions, 1589 events. 323/1589 cut-off events. For 229/244 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 9050 event pairs, 187 based on Foata normal form. 0/1361 useless extension candidates. Maximal degree in co-relation 2241. Up to 462 conditions per place. [2022-11-21 09:07:04,783 INFO L137 encePairwiseOnDemand]: 498/501 looper letters, 22 selfloop transitions, 1 changer transitions 0/375 dead transitions. [2022-11-21 09:07:04,783 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 375 transitions, 829 flow [2022-11-21 09:07:04,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:07:04,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:07:04,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1228 transitions. [2022-11-21 09:07:04,787 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8170326014637392 [2022-11-21 09:07:04,787 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1228 transitions. [2022-11-21 09:07:04,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1228 transitions. [2022-11-21 09:07:04,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:07:04,789 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1228 transitions. [2022-11-21 09:07:04,791 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 409.3333333333333) internal successors, (1228), 3 states have internal predecessors, (1228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:04,794 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:04,796 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:04,796 INFO L175 Difference]: Start difference. First operand has 380 places, 377 transitions, 787 flow. Second operand 3 states and 1228 transitions. [2022-11-21 09:07:04,796 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 375 transitions, 829 flow [2022-11-21 09:07:04,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 375 transitions, 825 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:07:04,804 INFO L231 Difference]: Finished difference. Result has 378 places, 375 transitions, 781 flow [2022-11-21 09:07:04,805 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=779, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=781, PETRI_PLACES=378, PETRI_TRANSITIONS=375} [2022-11-21 09:07:04,805 INFO L288 CegarLoopForPetriNet]: 463 programPoint places, -85 predicate places. [2022-11-21 09:07:04,806 INFO L495 AbstractCegarLoop]: Abstraction has has 378 places, 375 transitions, 781 flow [2022-11-21 09:07:04,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:04,806 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:07:04,807 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:07:04,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-21 09:07:04,807 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-21 09:07:04,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:07:04,808 INFO L85 PathProgramCache]: Analyzing trace with hash -723039148, now seen corresponding path program 1 times [2022-11-21 09:07:04,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:07:04,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678003359] [2022-11-21 09:07:04,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:07:04,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:07:04,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:04,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:07:04,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:07:04,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678003359] [2022-11-21 09:07:04,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678003359] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:07:04,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:07:04,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:07:04,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151664371] [2022-11-21 09:07:04,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:07:04,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:07:04,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:07:04,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:07:04,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:07:04,878 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 403 out of 501 [2022-11-21 09:07:04,880 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 375 transitions, 781 flow. Second operand has 3 states, 3 states have (on average 404.3333333333333) internal successors, (1213), 3 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:04,880 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:07:04,880 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 403 of 501 [2022-11-21 09:07:04,880 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:07:05,372 INFO L130 PetriNetUnfolder]: 327/1608 cut-off events. [2022-11-21 09:07:05,373 INFO L131 PetriNetUnfolder]: For 237/239 co-relation queries the response was YES. [2022-11-21 09:07:05,381 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2330 conditions, 1608 events. 327/1608 cut-off events. For 237/239 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 9105 event pairs, 151 based on Foata normal form. 0/1369 useless extension candidates. Maximal degree in co-relation 2265. Up to 385 conditions per place. [2022-11-21 09:07:05,388 INFO L137 encePairwiseOnDemand]: 498/501 looper letters, 29 selfloop transitions, 2 changer transitions 0/382 dead transitions. [2022-11-21 09:07:05,388 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 382 transitions, 867 flow [2022-11-21 09:07:05,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:07:05,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:07:05,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1236 transitions. [2022-11-21 09:07:05,392 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8223552894211577 [2022-11-21 09:07:05,393 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1236 transitions. [2022-11-21 09:07:05,393 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1236 transitions. [2022-11-21 09:07:05,394 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:07:05,394 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1236 transitions. [2022-11-21 09:07:05,397 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 412.0) internal successors, (1236), 3 states have internal predecessors, (1236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:05,400 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:05,401 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:05,402 INFO L175 Difference]: Start difference. First operand has 378 places, 375 transitions, 781 flow. Second operand 3 states and 1236 transitions. [2022-11-21 09:07:05,402 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 382 transitions, 867 flow [2022-11-21 09:07:05,405 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 382 transitions, 866 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 09:07:05,410 INFO L231 Difference]: Finished difference. Result has 378 places, 374 transitions, 782 flow [2022-11-21 09:07:05,412 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=778, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=782, PETRI_PLACES=378, PETRI_TRANSITIONS=374} [2022-11-21 09:07:05,412 INFO L288 CegarLoopForPetriNet]: 463 programPoint places, -85 predicate places. [2022-11-21 09:07:05,413 INFO L495 AbstractCegarLoop]: Abstraction has has 378 places, 374 transitions, 782 flow [2022-11-21 09:07:05,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 404.3333333333333) internal successors, (1213), 3 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:05,413 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:07:05,414 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:07:05,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-21 09:07:05,414 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-21 09:07:05,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:07:05,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1704499415, now seen corresponding path program 1 times [2022-11-21 09:07:05,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:07:05,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970355103] [2022-11-21 09:07:05,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:07:05,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:07:05,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:05,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:07:05,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:07:05,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970355103] [2022-11-21 09:07:05,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970355103] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:07:05,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:07:05,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:07:05,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683016515] [2022-11-21 09:07:05,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:07:05,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:07:05,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:07:05,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:07:05,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:07:05,515 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 399 out of 501 [2022-11-21 09:07:05,517 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 374 transitions, 782 flow. Second operand has 3 states, 3 states have (on average 400.6666666666667) internal successors, (1202), 3 states have internal predecessors, (1202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:05,517 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:07:05,517 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 399 of 501 [2022-11-21 09:07:05,518 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:07:06,216 INFO L130 PetriNetUnfolder]: 584/2295 cut-off events. [2022-11-21 09:07:06,216 INFO L131 PetriNetUnfolder]: For 379/381 co-relation queries the response was YES. [2022-11-21 09:07:06,227 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3539 conditions, 2295 events. 584/2295 cut-off events. For 379/381 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 14796 event pairs, 93 based on Foata normal form. 0/2064 useless extension candidates. Maximal degree in co-relation 3474. Up to 648 conditions per place. [2022-11-21 09:07:06,237 INFO L137 encePairwiseOnDemand]: 494/501 looper letters, 33 selfloop transitions, 5 changer transitions 0/384 dead transitions. [2022-11-21 09:07:06,238 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 377 places, 384 transitions, 891 flow [2022-11-21 09:07:06,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:07:06,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:07:06,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1233 transitions. [2022-11-21 09:07:06,241 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8203592814371258 [2022-11-21 09:07:06,241 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1233 transitions. [2022-11-21 09:07:06,241 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1233 transitions. [2022-11-21 09:07:06,242 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:07:06,242 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1233 transitions. [2022-11-21 09:07:06,245 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 411.0) internal successors, (1233), 3 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:06,247 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:06,248 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:06,249 INFO L175 Difference]: Start difference. First operand has 378 places, 374 transitions, 782 flow. Second operand 3 states and 1233 transitions. [2022-11-21 09:07:06,249 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 377 places, 384 transitions, 891 flow [2022-11-21 09:07:06,252 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 384 transitions, 887 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:07:06,256 INFO L231 Difference]: Finished difference. Result has 377 places, 375 transitions, 812 flow [2022-11-21 09:07:06,257 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=772, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=371, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=812, PETRI_PLACES=377, PETRI_TRANSITIONS=375} [2022-11-21 09:07:06,258 INFO L288 CegarLoopForPetriNet]: 463 programPoint places, -86 predicate places. [2022-11-21 09:07:06,258 INFO L495 AbstractCegarLoop]: Abstraction has has 377 places, 375 transitions, 812 flow [2022-11-21 09:07:06,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 400.6666666666667) internal successors, (1202), 3 states have internal predecessors, (1202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:06,258 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:07:06,259 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:07:06,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-21 09:07:06,259 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-21 09:07:06,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:07:06,260 INFO L85 PathProgramCache]: Analyzing trace with hash -81291629, now seen corresponding path program 1 times [2022-11-21 09:07:06,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:07:06,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859290100] [2022-11-21 09:07:06,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:07:06,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:07:06,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:06,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:07:06,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:07:06,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859290100] [2022-11-21 09:07:06,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859290100] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:07:06,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:07:06,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 09:07:06,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659770264] [2022-11-21 09:07:06,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:07:06,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 09:07:06,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:07:06,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 09:07:06,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 09:07:06,911 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 363 out of 501 [2022-11-21 09:07:06,913 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 375 transitions, 812 flow. Second operand has 6 states, 6 states have (on average 365.0) internal successors, (2190), 6 states have internal predecessors, (2190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:06,913 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:07:06,913 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 363 of 501 [2022-11-21 09:07:06,913 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:07:09,559 INFO L130 PetriNetUnfolder]: 3539/6706 cut-off events. [2022-11-21 09:07:09,559 INFO L131 PetriNetUnfolder]: For 5124/5194 co-relation queries the response was YES. [2022-11-21 09:07:09,582 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15323 conditions, 6706 events. 3539/6706 cut-off events. For 5124/5194 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 44593 event pairs, 422 based on Foata normal form. 29/6201 useless extension candidates. Maximal degree in co-relation 15255. Up to 1946 conditions per place. [2022-11-21 09:07:09,619 INFO L137 encePairwiseOnDemand]: 496/501 looper letters, 138 selfloop transitions, 4 changer transitions 0/454 dead transitions. [2022-11-21 09:07:09,620 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 454 transitions, 1414 flow [2022-11-21 09:07:09,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 09:07:09,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 09:07:09,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2291 transitions. [2022-11-21 09:07:09,625 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.762142381902861 [2022-11-21 09:07:09,625 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2291 transitions. [2022-11-21 09:07:09,625 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2291 transitions. [2022-11-21 09:07:09,627 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:07:09,627 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2291 transitions. [2022-11-21 09:07:09,632 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 381.8333333333333) internal successors, (2291), 6 states have internal predecessors, (2291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:09,637 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 501.0) internal successors, (3507), 7 states have internal predecessors, (3507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:09,638 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 501.0) internal successors, (3507), 7 states have internal predecessors, (3507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:09,639 INFO L175 Difference]: Start difference. First operand has 377 places, 375 transitions, 812 flow. Second operand 6 states and 2291 transitions. [2022-11-21 09:07:09,639 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 454 transitions, 1414 flow [2022-11-21 09:07:09,645 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 454 transitions, 1372 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:07:09,650 INFO L231 Difference]: Finished difference. Result has 379 places, 374 transitions, 808 flow [2022-11-21 09:07:09,651 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=800, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=370, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=808, PETRI_PLACES=379, PETRI_TRANSITIONS=374} [2022-11-21 09:07:09,652 INFO L288 CegarLoopForPetriNet]: 463 programPoint places, -84 predicate places. [2022-11-21 09:07:09,652 INFO L495 AbstractCegarLoop]: Abstraction has has 379 places, 374 transitions, 808 flow [2022-11-21 09:07:09,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 365.0) internal successors, (2190), 6 states have internal predecessors, (2190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:09,653 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:07:09,653 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:07:09,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-21 09:07:09,653 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-21 09:07:09,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:07:09,654 INFO L85 PathProgramCache]: Analyzing trace with hash 541948344, now seen corresponding path program 1 times [2022-11-21 09:07:09,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:07:09,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405556699] [2022-11-21 09:07:09,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:07:09,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:07:09,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:09,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:07:09,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:07:09,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405556699] [2022-11-21 09:07:09,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405556699] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:07:09,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:07:09,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:07:09,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849852306] [2022-11-21 09:07:09,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:07:09,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:07:09,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:07:09,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:07:09,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:07:09,734 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 501 [2022-11-21 09:07:09,735 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 374 transitions, 808 flow. Second operand has 3 states, 3 states have (on average 407.0) internal successors, (1221), 3 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:09,736 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:07:09,736 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 501 [2022-11-21 09:07:09,736 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:07:10,389 INFO L130 PetriNetUnfolder]: 407/2109 cut-off events. [2022-11-21 09:07:10,389 INFO L131 PetriNetUnfolder]: For 566/582 co-relation queries the response was YES. [2022-11-21 09:07:10,402 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3215 conditions, 2109 events. 407/2109 cut-off events. For 566/582 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 14096 event pairs, 150 based on Foata normal form. 3/1887 useless extension candidates. Maximal degree in co-relation 3149. Up to 524 conditions per place. [2022-11-21 09:07:10,412 INFO L137 encePairwiseOnDemand]: 497/501 looper letters, 30 selfloop transitions, 4 changer transitions 0/383 dead transitions. [2022-11-21 09:07:10,413 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 383 transitions, 912 flow [2022-11-21 09:07:10,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:07:10,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:07:10,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1242 transitions. [2022-11-21 09:07:10,416 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8263473053892215 [2022-11-21 09:07:10,417 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1242 transitions. [2022-11-21 09:07:10,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1242 transitions. [2022-11-21 09:07:10,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:07:10,418 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1242 transitions. [2022-11-21 09:07:10,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 414.0) internal successors, (1242), 3 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:10,424 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:10,424 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:10,425 INFO L175 Difference]: Start difference. First operand has 379 places, 374 transitions, 808 flow. Second operand 3 states and 1242 transitions. [2022-11-21 09:07:10,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 383 transitions, 912 flow [2022-11-21 09:07:10,429 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 383 transitions, 905 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 09:07:10,433 INFO L231 Difference]: Finished difference. Result has 377 places, 377 transitions, 837 flow [2022-11-21 09:07:10,434 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=799, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=373, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=369, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=837, PETRI_PLACES=377, PETRI_TRANSITIONS=377} [2022-11-21 09:07:10,434 INFO L288 CegarLoopForPetriNet]: 463 programPoint places, -86 predicate places. [2022-11-21 09:07:10,435 INFO L495 AbstractCegarLoop]: Abstraction has has 377 places, 377 transitions, 837 flow [2022-11-21 09:07:10,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 407.0) internal successors, (1221), 3 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:10,435 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:07:10,436 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:07:10,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-21 09:07:10,436 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-21 09:07:10,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:07:10,437 INFO L85 PathProgramCache]: Analyzing trace with hash 2046427102, now seen corresponding path program 1 times [2022-11-21 09:07:10,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:07:10,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206016067] [2022-11-21 09:07:10,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:07:10,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:07:10,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:11,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:07:11,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:07:11,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206016067] [2022-11-21 09:07:11,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206016067] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:07:11,318 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:07:11,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 09:07:11,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853708750] [2022-11-21 09:07:11,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:07:11,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 09:07:11,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:07:11,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 09:07:11,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 09:07:11,324 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 362 out of 501 [2022-11-21 09:07:11,328 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 377 transitions, 837 flow. Second operand has 6 states, 6 states have (on average 364.1666666666667) internal successors, (2185), 6 states have internal predecessors, (2185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:11,328 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:07:11,328 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 362 of 501 [2022-11-21 09:07:11,328 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:07:14,706 INFO L130 PetriNetUnfolder]: 5018/11997 cut-off events. [2022-11-21 09:07:14,706 INFO L131 PetriNetUnfolder]: For 7244/7282 co-relation queries the response was YES. [2022-11-21 09:07:14,758 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24329 conditions, 11997 events. 5018/11997 cut-off events. For 7244/7282 co-relation queries the response was YES. Maximal size of possible extension queue 318. Compared 105128 event pairs, 1417 based on Foata normal form. 18/11011 useless extension candidates. Maximal degree in co-relation 24261. Up to 3546 conditions per place. [2022-11-21 09:07:14,808 INFO L137 encePairwiseOnDemand]: 494/501 looper letters, 122 selfloop transitions, 6 changer transitions 0/437 dead transitions. [2022-11-21 09:07:14,808 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 437 transitions, 1285 flow [2022-11-21 09:07:14,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 09:07:14,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 09:07:14,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2284 transitions. [2022-11-21 09:07:14,813 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7598137059214903 [2022-11-21 09:07:14,813 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2284 transitions. [2022-11-21 09:07:14,813 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2284 transitions. [2022-11-21 09:07:14,815 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:07:14,815 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2284 transitions. [2022-11-21 09:07:14,818 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 380.6666666666667) internal successors, (2284), 6 states have internal predecessors, (2284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:14,823 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 501.0) internal successors, (3507), 7 states have internal predecessors, (3507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:14,824 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 501.0) internal successors, (3507), 7 states have internal predecessors, (3507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:14,824 INFO L175 Difference]: Start difference. First operand has 377 places, 377 transitions, 837 flow. Second operand 6 states and 2284 transitions. [2022-11-21 09:07:14,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 437 transitions, 1285 flow [2022-11-21 09:07:14,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 437 transitions, 1285 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-21 09:07:14,835 INFO L231 Difference]: Finished difference. Result has 386 places, 381 transitions, 881 flow [2022-11-21 09:07:14,836 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=835, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=376, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=370, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=881, PETRI_PLACES=386, PETRI_TRANSITIONS=381} [2022-11-21 09:07:14,837 INFO L288 CegarLoopForPetriNet]: 463 programPoint places, -77 predicate places. [2022-11-21 09:07:14,837 INFO L495 AbstractCegarLoop]: Abstraction has has 386 places, 381 transitions, 881 flow [2022-11-21 09:07:14,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 364.1666666666667) internal successors, (2185), 6 states have internal predecessors, (2185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:14,838 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:07:14,838 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:07:14,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-21 09:07:14,838 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-21 09:07:14,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:07:14,839 INFO L85 PathProgramCache]: Analyzing trace with hash -674260701, now seen corresponding path program 1 times [2022-11-21 09:07:14,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:07:14,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459216591] [2022-11-21 09:07:14,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:07:14,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:07:14,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:15,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:07:15,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:07:15,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459216591] [2022-11-21 09:07:15,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459216591] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:07:15,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:07:15,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 09:07:15,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307914318] [2022-11-21 09:07:15,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:07:15,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 09:07:15,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:07:15,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 09:07:15,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 09:07:15,595 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 363 out of 501 [2022-11-21 09:07:15,597 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 381 transitions, 881 flow. Second operand has 6 states, 6 states have (on average 366.1666666666667) internal successors, (2197), 6 states have internal predecessors, (2197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:15,597 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:07:15,597 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 363 of 501 [2022-11-21 09:07:15,597 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:07:18,839 INFO L130 PetriNetUnfolder]: 3989/10663 cut-off events. [2022-11-21 09:07:18,839 INFO L131 PetriNetUnfolder]: For 7439/7478 co-relation queries the response was YES. [2022-11-21 09:07:18,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21742 conditions, 10663 events. 3989/10663 cut-off events. For 7439/7478 co-relation queries the response was YES. Maximal size of possible extension queue 298. Compared 97806 event pairs, 1900 based on Foata normal form. 18/9774 useless extension candidates. Maximal degree in co-relation 21669. Up to 4560 conditions per place. [2022-11-21 09:07:18,972 INFO L137 encePairwiseOnDemand]: 496/501 looper letters, 92 selfloop transitions, 4 changer transitions 0/408 dead transitions. [2022-11-21 09:07:18,973 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 408 transitions, 1199 flow [2022-11-21 09:07:18,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 09:07:18,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 09:07:18,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2249 transitions. [2022-11-21 09:07:18,980 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7481703260146374 [2022-11-21 09:07:18,981 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2249 transitions. [2022-11-21 09:07:18,981 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2249 transitions. [2022-11-21 09:07:18,982 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:07:18,983 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2249 transitions. [2022-11-21 09:07:18,989 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 374.8333333333333) internal successors, (2249), 6 states have internal predecessors, (2249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:18,995 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 501.0) internal successors, (3507), 7 states have internal predecessors, (3507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:18,997 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 501.0) internal successors, (3507), 7 states have internal predecessors, (3507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:18,997 INFO L175 Difference]: Start difference. First operand has 386 places, 381 transitions, 881 flow. Second operand 6 states and 2249 transitions. [2022-11-21 09:07:18,997 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 390 places, 408 transitions, 1199 flow [2022-11-21 09:07:19,017 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 390 places, 408 transitions, 1199 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-21 09:07:19,025 INFO L231 Difference]: Finished difference. Result has 390 places, 380 transitions, 887 flow [2022-11-21 09:07:19,025 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=879, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=887, PETRI_PLACES=390, PETRI_TRANSITIONS=380} [2022-11-21 09:07:19,026 INFO L288 CegarLoopForPetriNet]: 463 programPoint places, -73 predicate places. [2022-11-21 09:07:19,026 INFO L495 AbstractCegarLoop]: Abstraction has has 390 places, 380 transitions, 887 flow [2022-11-21 09:07:19,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 366.1666666666667) internal successors, (2197), 6 states have internal predecessors, (2197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:19,027 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:07:19,028 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:07:19,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-21 09:07:19,028 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-21 09:07:19,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:07:19,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1877998456, now seen corresponding path program 1 times [2022-11-21 09:07:19,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:07:19,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674888087] [2022-11-21 09:07:19,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:07:19,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:07:19,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:20,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:07:20,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:07:20,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674888087] [2022-11-21 09:07:20,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674888087] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:07:20,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:07:20,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 09:07:20,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624143388] [2022-11-21 09:07:20,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:07:20,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 09:07:20,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:07:20,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 09:07:20,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 09:07:20,480 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 363 out of 501 [2022-11-21 09:07:20,483 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 380 transitions, 887 flow. Second operand has 6 states, 6 states have (on average 367.5) internal successors, (2205), 6 states have internal predecessors, (2205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:20,483 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:07:20,484 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 363 of 501 [2022-11-21 09:07:20,484 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:07:24,471 INFO L130 PetriNetUnfolder]: 4062/10870 cut-off events. [2022-11-21 09:07:24,471 INFO L131 PetriNetUnfolder]: For 7697/7746 co-relation queries the response was YES. [2022-11-21 09:07:24,525 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22301 conditions, 10870 events. 4062/10870 cut-off events. For 7697/7746 co-relation queries the response was YES. Maximal size of possible extension queue 304. Compared 100308 event pairs, 2138 based on Foata normal form. 19/9990 useless extension candidates. Maximal degree in co-relation 22227. Up to 5142 conditions per place. [2022-11-21 09:07:24,574 INFO L137 encePairwiseOnDemand]: 496/501 looper letters, 75 selfloop transitions, 4 changer transitions 0/391 dead transitions. [2022-11-21 09:07:24,574 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 391 transitions, 1083 flow [2022-11-21 09:07:24,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 09:07:24,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 09:07:24,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2240 transitions. [2022-11-21 09:07:24,581 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7451763140385895 [2022-11-21 09:07:24,581 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2240 transitions. [2022-11-21 09:07:24,581 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2240 transitions. [2022-11-21 09:07:24,583 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:07:24,583 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2240 transitions. [2022-11-21 09:07:24,587 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 373.3333333333333) internal successors, (2240), 6 states have internal predecessors, (2240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:24,597 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 501.0) internal successors, (3507), 7 states have internal predecessors, (3507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:24,598 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 501.0) internal successors, (3507), 7 states have internal predecessors, (3507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:24,599 INFO L175 Difference]: Start difference. First operand has 390 places, 380 transitions, 887 flow. Second operand 6 states and 2240 transitions. [2022-11-21 09:07:24,599 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 394 places, 391 transitions, 1083 flow [2022-11-21 09:07:24,618 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 390 places, 391 transitions, 1076 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 09:07:24,623 INFO L231 Difference]: Finished difference. Result has 390 places, 379 transitions, 886 flow [2022-11-21 09:07:24,624 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=878, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=886, PETRI_PLACES=390, PETRI_TRANSITIONS=379} [2022-11-21 09:07:24,630 INFO L288 CegarLoopForPetriNet]: 463 programPoint places, -73 predicate places. [2022-11-21 09:07:24,630 INFO L495 AbstractCegarLoop]: Abstraction has has 390 places, 379 transitions, 886 flow [2022-11-21 09:07:24,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 367.5) internal successors, (2205), 6 states have internal predecessors, (2205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:24,634 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:07:24,634 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:07:24,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-21 09:07:24,635 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-21 09:07:24,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:07:24,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1925893123, now seen corresponding path program 1 times [2022-11-21 09:07:24,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:07:24,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142215741] [2022-11-21 09:07:24,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:07:24,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:07:24,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:24,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:07:24,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:07:24,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142215741] [2022-11-21 09:07:24,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142215741] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:07:24,812 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:07:24,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:07:24,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739015034] [2022-11-21 09:07:24,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:07:24,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:07:24,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:07:24,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:07:24,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:07:24,816 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 501 [2022-11-21 09:07:24,818 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 379 transitions, 886 flow. Second operand has 3 states, 3 states have (on average 410.0) internal successors, (1230), 3 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:24,818 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:07:24,818 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 501 [2022-11-21 09:07:24,818 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:07:25,771 INFO L130 PetriNetUnfolder]: 476/2359 cut-off events. [2022-11-21 09:07:25,771 INFO L131 PetriNetUnfolder]: For 1221/1257 co-relation queries the response was YES. [2022-11-21 09:07:25,782 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4019 conditions, 2359 events. 476/2359 cut-off events. For 1221/1257 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 16279 event pairs, 196 based on Foata normal form. 6/2072 useless extension candidates. Maximal degree in co-relation 3947. Up to 636 conditions per place. [2022-11-21 09:07:25,784 INFO L137 encePairwiseOnDemand]: 499/501 looper letters, 0 selfloop transitions, 0 changer transitions 378/378 dead transitions. [2022-11-21 09:07:25,784 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 378 transitions, 938 flow [2022-11-21 09:07:25,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:07:25,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:07:25,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1233 transitions. [2022-11-21 09:07:25,795 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8203592814371258 [2022-11-21 09:07:25,795 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1233 transitions. [2022-11-21 09:07:25,796 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1233 transitions. [2022-11-21 09:07:25,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:07:25,800 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1233 transitions. [2022-11-21 09:07:25,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 411.0) internal successors, (1233), 3 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:25,808 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:25,808 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:25,809 INFO L175 Difference]: Start difference. First operand has 390 places, 379 transitions, 886 flow. Second operand 3 states and 1233 transitions. [2022-11-21 09:07:25,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 378 transitions, 938 flow [2022-11-21 09:07:25,814 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 378 transitions, 931 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 09:07:25,817 INFO L231 Difference]: Finished difference. Result has 387 places, 0 transitions, 0 flow [2022-11-21 09:07:25,817 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=877, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=387, PETRI_TRANSITIONS=0} [2022-11-21 09:07:25,818 INFO L288 CegarLoopForPetriNet]: 463 programPoint places, -76 predicate places. [2022-11-21 09:07:25,819 INFO L495 AbstractCegarLoop]: Abstraction has has 387 places, 0 transitions, 0 flow [2022-11-21 09:07:25,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 410.0) internal successors, (1230), 3 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:25,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (161 of 162 remaining) [2022-11-21 09:07:25,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (160 of 162 remaining) [2022-11-21 09:07:25,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (159 of 162 remaining) [2022-11-21 09:07:25,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (158 of 162 remaining) [2022-11-21 09:07:25,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err25ASSERT_VIOLATIONDATA_RACE (157 of 162 remaining) [2022-11-21 09:07:25,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err26ASSERT_VIOLATIONDATA_RACE (156 of 162 remaining) [2022-11-21 09:07:25,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err27ASSERT_VIOLATIONDATA_RACE (155 of 162 remaining) [2022-11-21 09:07:25,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err28ASSERT_VIOLATIONDATA_RACE (154 of 162 remaining) [2022-11-21 09:07:25,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err29ASSERT_VIOLATIONDATA_RACE (153 of 162 remaining) [2022-11-21 09:07:25,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (152 of 162 remaining) [2022-11-21 09:07:25,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (151 of 162 remaining) [2022-11-21 09:07:25,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (150 of 162 remaining) [2022-11-21 09:07:25,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (149 of 162 remaining) [2022-11-21 09:07:25,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (148 of 162 remaining) [2022-11-21 09:07:25,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (147 of 162 remaining) [2022-11-21 09:07:25,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (146 of 162 remaining) [2022-11-21 09:07:25,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (145 of 162 remaining) [2022-11-21 09:07:25,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (144 of 162 remaining) [2022-11-21 09:07:25,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (143 of 162 remaining) [2022-11-21 09:07:25,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (142 of 162 remaining) [2022-11-21 09:07:25,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (141 of 162 remaining) [2022-11-21 09:07:25,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (140 of 162 remaining) [2022-11-21 09:07:25,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (139 of 162 remaining) [2022-11-21 09:07:25,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (138 of 162 remaining) [2022-11-21 09:07:25,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (137 of 162 remaining) [2022-11-21 09:07:25,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (136 of 162 remaining) [2022-11-21 09:07:25,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (135 of 162 remaining) [2022-11-21 09:07:25,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (134 of 162 remaining) [2022-11-21 09:07:25,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (133 of 162 remaining) [2022-11-21 09:07:25,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (132 of 162 remaining) [2022-11-21 09:07:25,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (131 of 162 remaining) [2022-11-21 09:07:25,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (130 of 162 remaining) [2022-11-21 09:07:25,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (129 of 162 remaining) [2022-11-21 09:07:25,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (128 of 162 remaining) [2022-11-21 09:07:25,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (127 of 162 remaining) [2022-11-21 09:07:25,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (126 of 162 remaining) [2022-11-21 09:07:25,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (125 of 162 remaining) [2022-11-21 09:07:25,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (124 of 162 remaining) [2022-11-21 09:07:25,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (123 of 162 remaining) [2022-11-21 09:07:25,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (122 of 162 remaining) [2022-11-21 09:07:25,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (121 of 162 remaining) [2022-11-21 09:07:25,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (120 of 162 remaining) [2022-11-21 09:07:25,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (119 of 162 remaining) [2022-11-21 09:07:25,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (118 of 162 remaining) [2022-11-21 09:07:25,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (117 of 162 remaining) [2022-11-21 09:07:25,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (116 of 162 remaining) [2022-11-21 09:07:25,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (115 of 162 remaining) [2022-11-21 09:07:25,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (114 of 162 remaining) [2022-11-21 09:07:25,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (113 of 162 remaining) [2022-11-21 09:07:25,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (112 of 162 remaining) [2022-11-21 09:07:25,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (111 of 162 remaining) [2022-11-21 09:07:25,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (110 of 162 remaining) [2022-11-21 09:07:25,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (109 of 162 remaining) [2022-11-21 09:07:25,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (108 of 162 remaining) [2022-11-21 09:07:25,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (107 of 162 remaining) [2022-11-21 09:07:25,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (106 of 162 remaining) [2022-11-21 09:07:25,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (105 of 162 remaining) [2022-11-21 09:07:25,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (104 of 162 remaining) [2022-11-21 09:07:25,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (103 of 162 remaining) [2022-11-21 09:07:25,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (102 of 162 remaining) [2022-11-21 09:07:25,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (101 of 162 remaining) [2022-11-21 09:07:25,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (100 of 162 remaining) [2022-11-21 09:07:25,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (99 of 162 remaining) [2022-11-21 09:07:25,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (98 of 162 remaining) [2022-11-21 09:07:25,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (97 of 162 remaining) [2022-11-21 09:07:25,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (96 of 162 remaining) [2022-11-21 09:07:25,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (95 of 162 remaining) [2022-11-21 09:07:25,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (94 of 162 remaining) [2022-11-21 09:07:25,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (93 of 162 remaining) [2022-11-21 09:07:25,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (92 of 162 remaining) [2022-11-21 09:07:25,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (91 of 162 remaining) [2022-11-21 09:07:25,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (90 of 162 remaining) [2022-11-21 09:07:25,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (89 of 162 remaining) [2022-11-21 09:07:25,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (88 of 162 remaining) [2022-11-21 09:07:25,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (87 of 162 remaining) [2022-11-21 09:07:25,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (86 of 162 remaining) [2022-11-21 09:07:25,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (85 of 162 remaining) [2022-11-21 09:07:25,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (84 of 162 remaining) [2022-11-21 09:07:25,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (83 of 162 remaining) [2022-11-21 09:07:25,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (82 of 162 remaining) [2022-11-21 09:07:25,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (81 of 162 remaining) [2022-11-21 09:07:25,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (80 of 162 remaining) [2022-11-21 09:07:25,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (79 of 162 remaining) [2022-11-21 09:07:25,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (78 of 162 remaining) [2022-11-21 09:07:25,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (77 of 162 remaining) [2022-11-21 09:07:25,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (76 of 162 remaining) [2022-11-21 09:07:25,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (75 of 162 remaining) [2022-11-21 09:07:25,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (74 of 162 remaining) [2022-11-21 09:07:25,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (73 of 162 remaining) [2022-11-21 09:07:25,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (72 of 162 remaining) [2022-11-21 09:07:25,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (71 of 162 remaining) [2022-11-21 09:07:25,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (70 of 162 remaining) [2022-11-21 09:07:25,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (69 of 162 remaining) [2022-11-21 09:07:25,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (68 of 162 remaining) [2022-11-21 09:07:25,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (67 of 162 remaining) [2022-11-21 09:07:25,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (66 of 162 remaining) [2022-11-21 09:07:25,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (65 of 162 remaining) [2022-11-21 09:07:25,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (64 of 162 remaining) [2022-11-21 09:07:25,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (63 of 162 remaining) [2022-11-21 09:07:25,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (62 of 162 remaining) [2022-11-21 09:07:25,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err25ASSERT_VIOLATIONDATA_RACE (61 of 162 remaining) [2022-11-21 09:07:25,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err26ASSERT_VIOLATIONDATA_RACE (60 of 162 remaining) [2022-11-21 09:07:25,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err27ASSERT_VIOLATIONDATA_RACE (59 of 162 remaining) [2022-11-21 09:07:25,851 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err28ASSERT_VIOLATIONDATA_RACE (58 of 162 remaining) [2022-11-21 09:07:25,851 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err29ASSERT_VIOLATIONDATA_RACE (57 of 162 remaining) [2022-11-21 09:07:25,851 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (56 of 162 remaining) [2022-11-21 09:07:25,851 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (55 of 162 remaining) [2022-11-21 09:07:25,852 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (54 of 162 remaining) [2022-11-21 09:07:25,852 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (53 of 162 remaining) [2022-11-21 09:07:25,852 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (52 of 162 remaining) [2022-11-21 09:07:25,852 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (51 of 162 remaining) [2022-11-21 09:07:25,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (50 of 162 remaining) [2022-11-21 09:07:25,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (49 of 162 remaining) [2022-11-21 09:07:25,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (48 of 162 remaining) [2022-11-21 09:07:25,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (47 of 162 remaining) [2022-11-21 09:07:25,854 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (46 of 162 remaining) [2022-11-21 09:07:25,854 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (45 of 162 remaining) [2022-11-21 09:07:25,854 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (44 of 162 remaining) [2022-11-21 09:07:25,855 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (43 of 162 remaining) [2022-11-21 09:07:25,855 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (42 of 162 remaining) [2022-11-21 09:07:25,855 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (41 of 162 remaining) [2022-11-21 09:07:25,855 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (40 of 162 remaining) [2022-11-21 09:07:25,856 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (39 of 162 remaining) [2022-11-21 09:07:25,856 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (38 of 162 remaining) [2022-11-21 09:07:25,856 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (37 of 162 remaining) [2022-11-21 09:07:25,856 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (36 of 162 remaining) [2022-11-21 09:07:25,857 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (35 of 162 remaining) [2022-11-21 09:07:25,857 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (34 of 162 remaining) [2022-11-21 09:07:25,857 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (33 of 162 remaining) [2022-11-21 09:07:25,857 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (32 of 162 remaining) [2022-11-21 09:07:25,858 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (31 of 162 remaining) [2022-11-21 09:07:25,858 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (30 of 162 remaining) [2022-11-21 09:07:25,858 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (29 of 162 remaining) [2022-11-21 09:07:25,858 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (28 of 162 remaining) [2022-11-21 09:07:25,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (27 of 162 remaining) [2022-11-21 09:07:25,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (26 of 162 remaining) [2022-11-21 09:07:25,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (25 of 162 remaining) [2022-11-21 09:07:25,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (24 of 162 remaining) [2022-11-21 09:07:25,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (23 of 162 remaining) [2022-11-21 09:07:25,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (22 of 162 remaining) [2022-11-21 09:07:25,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (21 of 162 remaining) [2022-11-21 09:07:25,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (20 of 162 remaining) [2022-11-21 09:07:25,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (19 of 162 remaining) [2022-11-21 09:07:25,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (18 of 162 remaining) [2022-11-21 09:07:25,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (17 of 162 remaining) [2022-11-21 09:07:25,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (16 of 162 remaining) [2022-11-21 09:07:25,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (15 of 162 remaining) [2022-11-21 09:07:25,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (14 of 162 remaining) [2022-11-21 09:07:25,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (13 of 162 remaining) [2022-11-21 09:07:25,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (12 of 162 remaining) [2022-11-21 09:07:25,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (11 of 162 remaining) [2022-11-21 09:07:25,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (10 of 162 remaining) [2022-11-21 09:07:25,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (9 of 162 remaining) [2022-11-21 09:07:25,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (8 of 162 remaining) [2022-11-21 09:07:25,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (7 of 162 remaining) [2022-11-21 09:07:25,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (6 of 162 remaining) [2022-11-21 09:07:25,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (5 of 162 remaining) [2022-11-21 09:07:25,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (4 of 162 remaining) [2022-11-21 09:07:25,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (3 of 162 remaining) [2022-11-21 09:07:25,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (2 of 162 remaining) [2022-11-21 09:07:25,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (1 of 162 remaining) [2022-11-21 09:07:25,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (0 of 162 remaining) [2022-11-21 09:07:25,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-21 09:07:25,866 INFO L444 BasicCegarLoop]: Path program 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] [2022-11-21 09:07:25,875 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-21 09:07:25,876 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 09:07:25,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 09:07:25 BasicIcfg [2022-11-21 09:07:25,883 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 09:07:25,884 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 09:07:25,884 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 09:07:25,884 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 09:07:25,885 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:06:50" (3/4) ... [2022-11-21 09:07:25,889 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 09:07:25,896 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-21 09:07:25,896 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-21 09:07:25,896 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-21 09:07:25,905 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2022-11-21 09:07:25,906 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 09:07:25,907 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 09:07:25,908 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 09:07:26,015 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc8066f-6848-403c-b134-c68306c568d7/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 09:07:26,015 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 09:07:26,016 INFO L158 Benchmark]: Toolchain (without parser) took 38558.38ms. Allocated memory was 197.1MB in the beginning and 4.5GB in the end (delta: 4.3GB). Free memory was 150.5MB in the beginning and 3.8GB in the end (delta: -3.7GB). Peak memory consumption was 619.2MB. Max. memory is 16.1GB. [2022-11-21 09:07:26,017 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 09:07:26,017 INFO L158 Benchmark]: CACSL2BoogieTranslator took 568.95ms. Allocated memory is still 197.1MB. Free memory was 150.5MB in the beginning and 136.5MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 09:07:26,017 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.26ms. Allocated memory is still 197.1MB. Free memory was 136.5MB in the beginning and 132.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 09:07:26,018 INFO L158 Benchmark]: Boogie Preprocessor took 97.57ms. Allocated memory is still 197.1MB. Free memory was 132.3MB in the beginning and 128.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 09:07:26,018 INFO L158 Benchmark]: RCFGBuilder took 2510.62ms. Allocated memory is still 197.1MB. Free memory was 128.1MB in the beginning and 140.7MB in the end (delta: -12.6MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. [2022-11-21 09:07:26,024 INFO L158 Benchmark]: TraceAbstraction took 35134.66ms. Allocated memory was 197.1MB in the beginning and 4.5GB in the end (delta: 4.3GB). Free memory was 140.7MB in the beginning and 3.8GB in the end (delta: -3.7GB). Peak memory consumption was 660.5MB. Max. memory is 16.1GB. [2022-11-21 09:07:26,024 INFO L158 Benchmark]: Witness Printer took 131.78ms. Allocated memory is still 4.5GB. Free memory was 3.8GB in the beginning and 3.8GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-21 09:07:26,026 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 568.95ms. Allocated memory is still 197.1MB. Free memory was 150.5MB in the beginning and 136.5MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.26ms. Allocated memory is still 197.1MB. Free memory was 136.5MB in the beginning and 132.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.57ms. Allocated memory is still 197.1MB. Free memory was 132.3MB in the beginning and 128.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2510.62ms. Allocated memory is still 197.1MB. Free memory was 128.1MB in the beginning and 140.7MB in the end (delta: -12.6MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. * TraceAbstraction took 35134.66ms. Allocated memory was 197.1MB in the beginning and 4.5GB in the end (delta: 4.3GB). Free memory was 140.7MB in the beginning and 3.8GB in the end (delta: -3.7GB). Peak memory consumption was 660.5MB. Max. memory is 16.1GB. * Witness Printer took 131.78ms. Allocated memory is still 4.5GB. Free memory was 3.8GB in the beginning and 3.8GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 129]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 130]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 167]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 167]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 167]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 138]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 139]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 141]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 141]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 142]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 142]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 143]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 143]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 145]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 151]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 152]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 153]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 155]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 613 locations, 162 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 34.8s, OverallIterations: 29, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 27.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 216 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 216 mSDsluCounter, 323 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 196 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1664 IncrementalHoareTripleChecker+Invalid, 1860 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 196 mSolverCounterUnsat, 323 mSDtfsCounter, 1664 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=974occurred in iteration=0, InterpolantAutomatonStates: 102, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 4681 NumberOfCodeBlocks, 4681 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 4652 ConstructedInterpolants, 0 QuantifiedInterpolants, 5173 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 29 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 93 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-21 09:07:26,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc8066f-6848-403c-b134-c68306c568d7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE