./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-misc-4.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_4b297477-7990-4496-8587-168da797a636/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b297477-7990-4496-8587-168da797a636/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_4b297477-7990-4496-8587-168da797a636/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b297477-7990-4496-8587-168da797a636/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-misc-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b297477-7990-4496-8587-168da797a636/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_4b297477-7990-4496-8587-168da797a636/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 4ed4cbcf73a390a7811d007883e420d1e9d8d4b9f5e59201847b4262dc4b0025 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 16:36:58,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:36:58,032 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:36:58,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:36:58,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:36:58,077 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:36:58,079 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:36:58,082 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:36:58,085 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:36:58,090 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:36:58,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:36:58,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:36:58,094 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:36:58,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:36:58,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:36:58,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:36:58,102 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:36:58,103 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:36:58,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:36:58,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:36:58,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:36:58,114 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:36:58,116 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:36:58,117 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:36:58,127 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:36:58,127 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:36:58,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:36:58,130 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:36:58,131 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:36:58,133 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:36:58,133 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:36:58,134 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:36:58,136 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:36:58,137 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:36:58,139 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:36:58,139 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:36:58,140 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:36:58,140 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:36:58,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:36:58,142 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:36:58,143 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:36:58,144 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b297477-7990-4496-8587-168da797a636/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-21 16:36:58,193 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:36:58,194 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:36:58,194 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:36:58,195 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:36:58,196 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:36:58,196 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:36:58,197 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:36:58,197 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:36:58,197 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:36:58,198 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:36:58,199 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:36:58,199 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:36:58,199 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:36:58,200 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:36:58,200 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:36:58,200 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:36:58,201 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:36:58,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:36:58,201 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-21 16:36:58,201 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:36:58,202 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:36:58,202 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:36:58,202 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:36:58,203 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:36:58,203 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:36:58,203 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:36:58,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:36:58,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:36:58,204 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:36:58,204 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:36:58,205 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:36:58,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:36:58,205 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:36:58,206 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:36:58,206 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:36:58,206 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_4b297477-7990-4496-8587-168da797a636/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b297477-7990-4496-8587-168da797a636/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ed4cbcf73a390a7811d007883e420d1e9d8d4b9f5e59201847b4262dc4b0025 [2022-11-21 16:36:58,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:36:58,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:36:58,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:36:58,557 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:36:58,558 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:36:58,559 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b297477-7990-4496-8587-168da797a636/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/weaver/parallel-misc-4.wvr.c [2022-11-21 16:37:01,621 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:37:01,828 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:37:01,829 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b297477-7990-4496-8587-168da797a636/sv-benchmarks/c/weaver/parallel-misc-4.wvr.c [2022-11-21 16:37:01,844 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b297477-7990-4496-8587-168da797a636/bin/uautomizer-vX5HgA9Q3a/data/8b43ead99/952c31b0025d49da806a8176e53deb02/FLAG63b5458e7 [2022-11-21 16:37:01,865 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b297477-7990-4496-8587-168da797a636/bin/uautomizer-vX5HgA9Q3a/data/8b43ead99/952c31b0025d49da806a8176e53deb02 [2022-11-21 16:37:01,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:37:01,869 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:37:01,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:37:01,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:37:01,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:37:01,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:37:01" (1/1) ... [2022-11-21 16:37:01,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5940d23c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:01, skipping insertion in model container [2022-11-21 16:37:01,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:37:01" (1/1) ... [2022-11-21 16:37:01,888 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:37:01,912 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:37:02,163 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_4b297477-7990-4496-8587-168da797a636/sv-benchmarks/c/weaver/parallel-misc-4.wvr.c[2950,2963] [2022-11-21 16:37:02,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:37:02,176 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:37:02,204 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_4b297477-7990-4496-8587-168da797a636/sv-benchmarks/c/weaver/parallel-misc-4.wvr.c[2950,2963] [2022-11-21 16:37:02,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:37:02,218 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:37:02,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:02 WrapperNode [2022-11-21 16:37:02,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:37:02,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:37:02,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:37:02,220 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:37:02,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:02" (1/1) ... [2022-11-21 16:37:02,237 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:02" (1/1) ... [2022-11-21 16:37:02,271 INFO L138 Inliner]: procedures = 22, calls = 43, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 124 [2022-11-21 16:37:02,272 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:37:02,272 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:37:02,273 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:37:02,273 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:37:02,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:02" (1/1) ... [2022-11-21 16:37:02,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:02" (1/1) ... [2022-11-21 16:37:02,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:02" (1/1) ... [2022-11-21 16:37:02,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:02" (1/1) ... [2022-11-21 16:37:02,296 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:02" (1/1) ... [2022-11-21 16:37:02,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:02" (1/1) ... [2022-11-21 16:37:02,311 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:02" (1/1) ... [2022-11-21 16:37:02,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:02" (1/1) ... [2022-11-21 16:37:02,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:37:02,331 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:37:02,332 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:37:02,332 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:37:02,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:02" (1/1) ... [2022-11-21 16:37:02,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:37:02,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b297477-7990-4496-8587-168da797a636/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:37:02,366 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b297477-7990-4496-8587-168da797a636/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:37:02,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b297477-7990-4496-8587-168da797a636/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:37:02,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:37:02,414 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 16:37:02,414 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 16:37:02,414 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 16:37:02,414 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 16:37:02,414 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-21 16:37:02,415 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-21 16:37:02,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:37:02,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:37:02,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:37:02,415 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 16:37:02,415 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 16:37:02,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:37:02,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:37:02,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 16:37:02,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:37:02,417 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 16:37:02,518 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:37:02,520 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:37:03,042 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:37:03,140 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:37:03,140 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 16:37:03,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:37:03 BoogieIcfgContainer [2022-11-21 16:37:03,143 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:37:03,146 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:37:03,150 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:37:03,154 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:37:03,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:37:01" (1/3) ... [2022-11-21 16:37:03,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@215e4db3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:37:03, skipping insertion in model container [2022-11-21 16:37:03,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:02" (2/3) ... [2022-11-21 16:37:03,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@215e4db3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:37:03, skipping insertion in model container [2022-11-21 16:37:03,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:37:03" (3/3) ... [2022-11-21 16:37:03,157 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-4.wvr.c [2022-11-21 16:37:03,167 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-21 16:37:03,179 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:37:03,179 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-11-21 16:37:03,179 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 16:37:03,254 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-21 16:37:03,296 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 208 places, 208 transitions, 440 flow [2022-11-21 16:37:03,449 INFO L130 PetriNetUnfolder]: 10/205 cut-off events. [2022-11-21 16:37:03,452 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-21 16:37:03,460 INFO L83 FinitePrefix]: Finished finitePrefix Result has 218 conditions, 205 events. 10/205 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 298 event pairs, 0 based on Foata normal form. 0/163 useless extension candidates. Maximal degree in co-relation 163. Up to 2 conditions per place. [2022-11-21 16:37:03,460 INFO L82 GeneralOperation]: Start removeDead. Operand has 208 places, 208 transitions, 440 flow [2022-11-21 16:37:03,474 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 192 places, 192 transitions, 399 flow [2022-11-21 16:37:03,497 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:37:03,505 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;@67ed7adf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:37:03,506 INFO L358 AbstractCegarLoop]: Starting to check reachability of 55 error locations. [2022-11-21 16:37:03,520 INFO L130 PetriNetUnfolder]: 0/23 cut-off events. [2022-11-21 16:37:03,520 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 16:37:03,520 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:37:03,521 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] [2022-11-21 16:37:03,523 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2022-11-21 16:37:03,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:03,532 INFO L85 PathProgramCache]: Analyzing trace with hash 520629780, now seen corresponding path program 1 times [2022-11-21 16:37:03,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:03,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917816695] [2022-11-21 16:37:03,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:03,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:03,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:37:03,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:03,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917816695] [2022-11-21 16:37:03,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917816695] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:03,843 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:03,843 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:37:03,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770993403] [2022-11-21 16:37:03,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:03,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:37:03,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:03,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:37:03,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:37:03,910 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 208 [2022-11-21 16:37:03,915 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 192 transitions, 399 flow. Second operand has 3 states, 3 states have (on average 167.33333333333334) internal successors, (502), 3 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:03,915 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:37:03,915 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 208 [2022-11-21 16:37:03,916 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:37:04,156 INFO L130 PetriNetUnfolder]: 83/446 cut-off events. [2022-11-21 16:37:04,157 INFO L131 PetriNetUnfolder]: For 51/65 co-relation queries the response was YES. [2022-11-21 16:37:04,163 INFO L83 FinitePrefix]: Finished finitePrefix Result has 611 conditions, 446 events. 83/446 cut-off events. For 51/65 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1872 event pairs, 38 based on Foata normal form. 22/367 useless extension candidates. Maximal degree in co-relation 446. Up to 125 conditions per place. [2022-11-21 16:37:04,168 INFO L137 encePairwiseOnDemand]: 188/208 looper letters, 20 selfloop transitions, 2 changer transitions 2/174 dead transitions. [2022-11-21 16:37:04,168 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 174 transitions, 407 flow [2022-11-21 16:37:04,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:37:04,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:37:04,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 538 transitions. [2022-11-21 16:37:04,194 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8621794871794872 [2022-11-21 16:37:04,195 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 538 transitions. [2022-11-21 16:37:04,195 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 538 transitions. [2022-11-21 16:37:04,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:37:04,206 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 538 transitions. [2022-11-21 16:37:04,210 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:04,215 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:04,216 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:04,217 INFO L175 Difference]: Start difference. First operand has 192 places, 192 transitions, 399 flow. Second operand 3 states and 538 transitions. [2022-11-21 16:37:04,218 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 174 transitions, 407 flow [2022-11-21 16:37:04,222 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 174 transitions, 398 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-21 16:37:04,226 INFO L231 Difference]: Finished difference. Result has 174 places, 172 transitions, 354 flow [2022-11-21 16:37:04,228 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=354, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=174, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=354, PETRI_PLACES=174, PETRI_TRANSITIONS=172} [2022-11-21 16:37:04,231 INFO L288 CegarLoopForPetriNet]: 192 programPoint places, -18 predicate places. [2022-11-21 16:37:04,232 INFO L495 AbstractCegarLoop]: Abstraction has has 174 places, 172 transitions, 354 flow [2022-11-21 16:37:04,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.33333333333334) internal successors, (502), 3 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:04,233 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:37:04,233 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] [2022-11-21 16:37:04,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:37:04,233 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2022-11-21 16:37:04,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:04,234 INFO L85 PathProgramCache]: Analyzing trace with hash -673983791, now seen corresponding path program 1 times [2022-11-21 16:37:04,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:04,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903264604] [2022-11-21 16:37:04,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:04,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:04,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:04,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:37:04,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:04,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903264604] [2022-11-21 16:37:04,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903264604] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:04,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:04,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:37:04,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501421270] [2022-11-21 16:37:04,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:04,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:37:04,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:04,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:37:04,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:37:04,300 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 208 [2022-11-21 16:37:04,300 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 172 transitions, 354 flow. Second operand has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:04,301 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:37:04,301 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 208 [2022-11-21 16:37:04,301 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:37:04,513 INFO L130 PetriNetUnfolder]: 254/887 cut-off events. [2022-11-21 16:37:04,513 INFO L131 PetriNetUnfolder]: For 8/39 co-relation queries the response was YES. [2022-11-21 16:37:04,516 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1367 conditions, 887 events. 254/887 cut-off events. For 8/39 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 5376 event pairs, 155 based on Foata normal form. 0/687 useless extension candidates. Maximal degree in co-relation 1335. Up to 389 conditions per place. [2022-11-21 16:37:04,524 INFO L137 encePairwiseOnDemand]: 205/208 looper letters, 32 selfloop transitions, 2 changer transitions 0/171 dead transitions. [2022-11-21 16:37:04,524 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 171 transitions, 420 flow [2022-11-21 16:37:04,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:37:04,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:37:04,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 497 transitions. [2022-11-21 16:37:04,526 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7964743589743589 [2022-11-21 16:37:04,526 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 497 transitions. [2022-11-21 16:37:04,527 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 497 transitions. [2022-11-21 16:37:04,527 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:37:04,527 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 497 transitions. [2022-11-21 16:37:04,529 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 165.66666666666666) internal successors, (497), 3 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:04,532 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:04,561 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:04,562 INFO L175 Difference]: Start difference. First operand has 174 places, 172 transitions, 354 flow. Second operand 3 states and 497 transitions. [2022-11-21 16:37:04,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 171 transitions, 420 flow [2022-11-21 16:37:04,563 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 171 transitions, 416 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:37:04,566 INFO L231 Difference]: Finished difference. Result has 171 places, 171 transitions, 352 flow [2022-11-21 16:37:04,566 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=348, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=352, PETRI_PLACES=171, PETRI_TRANSITIONS=171} [2022-11-21 16:37:04,573 INFO L288 CegarLoopForPetriNet]: 192 programPoint places, -21 predicate places. [2022-11-21 16:37:04,574 INFO L495 AbstractCegarLoop]: Abstraction has has 171 places, 171 transitions, 352 flow [2022-11-21 16:37:04,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:04,574 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:37:04,574 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] [2022-11-21 16:37:04,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:37:04,575 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2022-11-21 16:37:04,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:04,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1024823952, now seen corresponding path program 1 times [2022-11-21 16:37:04,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:04,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556294944] [2022-11-21 16:37:04,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:04,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:04,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:04,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:37:04,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:04,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556294944] [2022-11-21 16:37:04,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556294944] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:04,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:04,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:37:04,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220219688] [2022-11-21 16:37:04,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:04,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:37:04,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:04,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:37:04,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:37:04,637 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 208 [2022-11-21 16:37:04,638 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 171 transitions, 352 flow. Second operand has 3 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:04,638 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:37:04,638 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 208 [2022-11-21 16:37:04,638 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:37:04,813 INFO L130 PetriNetUnfolder]: 272/703 cut-off events. [2022-11-21 16:37:04,813 INFO L131 PetriNetUnfolder]: For 26/57 co-relation queries the response was YES. [2022-11-21 16:37:04,815 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1198 conditions, 703 events. 272/703 cut-off events. For 26/57 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 3465 event pairs, 173 based on Foata normal form. 0/580 useless extension candidates. Maximal degree in co-relation 1160. Up to 413 conditions per place. [2022-11-21 16:37:04,820 INFO L137 encePairwiseOnDemand]: 205/208 looper letters, 29 selfloop transitions, 2 changer transitions 0/170 dead transitions. [2022-11-21 16:37:04,820 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 170 transitions, 412 flow [2022-11-21 16:37:04,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:37:04,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:37:04,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 503 transitions. [2022-11-21 16:37:04,823 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8060897435897436 [2022-11-21 16:37:04,823 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 503 transitions. [2022-11-21 16:37:04,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 503 transitions. [2022-11-21 16:37:04,823 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:37:04,824 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 503 transitions. [2022-11-21 16:37:04,825 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 167.66666666666666) internal successors, (503), 3 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:04,827 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:04,827 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:04,828 INFO L175 Difference]: Start difference. First operand has 171 places, 171 transitions, 352 flow. Second operand 3 states and 503 transitions. [2022-11-21 16:37:04,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 170 transitions, 412 flow [2022-11-21 16:37:04,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 170 transitions, 408 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:37:04,832 INFO L231 Difference]: Finished difference. Result has 170 places, 170 transitions, 350 flow [2022-11-21 16:37:04,833 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=350, PETRI_PLACES=170, PETRI_TRANSITIONS=170} [2022-11-21 16:37:04,834 INFO L288 CegarLoopForPetriNet]: 192 programPoint places, -22 predicate places. [2022-11-21 16:37:04,834 INFO L495 AbstractCegarLoop]: Abstraction has has 170 places, 170 transitions, 350 flow [2022-11-21 16:37:04,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:04,835 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:37:04,835 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] [2022-11-21 16:37:04,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:37:04,835 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2022-11-21 16:37:04,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:04,836 INFO L85 PathProgramCache]: Analyzing trace with hash -608196346, now seen corresponding path program 1 times [2022-11-21 16:37:04,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:04,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672995107] [2022-11-21 16:37:04,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:04,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:04,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:04,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:37:04,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:04,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672995107] [2022-11-21 16:37:04,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672995107] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:04,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:04,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:37:04,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569616785] [2022-11-21 16:37:04,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:04,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:37:04,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:04,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:37:04,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:37:04,890 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 208 [2022-11-21 16:37:04,891 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 170 transitions, 350 flow. Second operand has 3 states, 3 states have (on average 167.33333333333334) internal successors, (502), 3 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:04,891 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:37:04,891 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 208 [2022-11-21 16:37:04,891 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:37:04,995 INFO L130 PetriNetUnfolder]: 83/441 cut-off events. [2022-11-21 16:37:04,996 INFO L131 PetriNetUnfolder]: For 8/22 co-relation queries the response was YES. [2022-11-21 16:37:04,997 INFO L83 FinitePrefix]: Finished finitePrefix Result has 594 conditions, 441 events. 83/441 cut-off events. For 8/22 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1857 event pairs, 38 based on Foata normal form. 0/345 useless extension candidates. Maximal degree in co-relation 550. Up to 125 conditions per place. [2022-11-21 16:37:04,999 INFO L137 encePairwiseOnDemand]: 205/208 looper letters, 20 selfloop transitions, 2 changer transitions 0/169 dead transitions. [2022-11-21 16:37:05,000 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 169 transitions, 392 flow [2022-11-21 16:37:05,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:37:05,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:37:05,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 521 transitions. [2022-11-21 16:37:05,002 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8349358974358975 [2022-11-21 16:37:05,002 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 521 transitions. [2022-11-21 16:37:05,002 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 521 transitions. [2022-11-21 16:37:05,003 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:37:05,003 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 521 transitions. [2022-11-21 16:37:05,004 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 173.66666666666666) internal successors, (521), 3 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:05,006 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:05,007 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:05,007 INFO L175 Difference]: Start difference. First operand has 170 places, 170 transitions, 350 flow. Second operand 3 states and 521 transitions. [2022-11-21 16:37:05,007 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 169 transitions, 392 flow [2022-11-21 16:37:05,008 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 169 transitions, 388 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:37:05,011 INFO L231 Difference]: Finished difference. Result has 169 places, 169 transitions, 348 flow [2022-11-21 16:37:05,011 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=348, PETRI_PLACES=169, PETRI_TRANSITIONS=169} [2022-11-21 16:37:05,012 INFO L288 CegarLoopForPetriNet]: 192 programPoint places, -23 predicate places. [2022-11-21 16:37:05,012 INFO L495 AbstractCegarLoop]: Abstraction has has 169 places, 169 transitions, 348 flow [2022-11-21 16:37:05,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.33333333333334) internal successors, (502), 3 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:05,013 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:37:05,013 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] [2022-11-21 16:37:05,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 16:37:05,014 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2022-11-21 16:37:05,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:05,014 INFO L85 PathProgramCache]: Analyzing trace with hash 855273049, now seen corresponding path program 1 times [2022-11-21 16:37:05,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:05,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040587007] [2022-11-21 16:37:05,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:05,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:05,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:05,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:37:05,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:05,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040587007] [2022-11-21 16:37:05,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040587007] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:05,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:05,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:37:05,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368095185] [2022-11-21 16:37:05,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:05,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:37:05,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:05,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:37:05,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:37:05,064 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 208 [2022-11-21 16:37:05,065 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 169 transitions, 348 flow. Second operand has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:05,065 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:37:05,065 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 208 [2022-11-21 16:37:05,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:37:05,235 INFO L130 PetriNetUnfolder]: 129/703 cut-off events. [2022-11-21 16:37:05,235 INFO L131 PetriNetUnfolder]: For 15/30 co-relation queries the response was YES. [2022-11-21 16:37:05,237 INFO L83 FinitePrefix]: Finished finitePrefix Result has 927 conditions, 703 events. 129/703 cut-off events. For 15/30 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 3780 event pairs, 18 based on Foata normal form. 0/572 useless extension candidates. Maximal degree in co-relation 876. Up to 132 conditions per place. [2022-11-21 16:37:05,241 INFO L137 encePairwiseOnDemand]: 201/208 looper letters, 25 selfloop transitions, 6 changer transitions 0/181 dead transitions. [2022-11-21 16:37:05,241 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 181 transitions, 439 flow [2022-11-21 16:37:05,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:37:05,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:37:05,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 539 transitions. [2022-11-21 16:37:05,243 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8637820512820513 [2022-11-21 16:37:05,244 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 539 transitions. [2022-11-21 16:37:05,244 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 539 transitions. [2022-11-21 16:37:05,244 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:37:05,245 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 539 transitions. [2022-11-21 16:37:05,247 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 179.66666666666666) internal successors, (539), 3 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:05,249 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:05,249 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:05,249 INFO L175 Difference]: Start difference. First operand has 169 places, 169 transitions, 348 flow. Second operand 3 states and 539 transitions. [2022-11-21 16:37:05,250 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 181 transitions, 439 flow [2022-11-21 16:37:05,251 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 181 transitions, 435 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:37:05,253 INFO L231 Difference]: Finished difference. Result has 170 places, 173 transitions, 386 flow [2022-11-21 16:37:05,254 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=386, PETRI_PLACES=170, PETRI_TRANSITIONS=173} [2022-11-21 16:37:05,257 INFO L288 CegarLoopForPetriNet]: 192 programPoint places, -22 predicate places. [2022-11-21 16:37:05,257 INFO L495 AbstractCegarLoop]: Abstraction has has 170 places, 173 transitions, 386 flow [2022-11-21 16:37:05,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:05,258 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:37:05,258 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:37:05,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 16:37:05,259 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2022-11-21 16:37:05,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:05,260 INFO L85 PathProgramCache]: Analyzing trace with hash 971673434, now seen corresponding path program 1 times [2022-11-21 16:37:05,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:05,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259488770] [2022-11-21 16:37:05,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:05,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:05,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:05,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:37:05,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:05,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259488770] [2022-11-21 16:37:05,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259488770] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:05,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:05,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:37:05,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981928107] [2022-11-21 16:37:05,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:05,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:37:05,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:05,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:37:05,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:37:05,351 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 208 [2022-11-21 16:37:05,352 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 173 transitions, 386 flow. Second operand has 3 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:05,352 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:37:05,352 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 208 [2022-11-21 16:37:05,352 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:37:05,687 INFO L130 PetriNetUnfolder]: 388/1707 cut-off events. [2022-11-21 16:37:05,687 INFO L131 PetriNetUnfolder]: For 387/471 co-relation queries the response was YES. [2022-11-21 16:37:05,693 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2755 conditions, 1707 events. 388/1707 cut-off events. For 387/471 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 12632 event pairs, 147 based on Foata normal form. 2/1398 useless extension candidates. Maximal degree in co-relation 646. Up to 356 conditions per place. [2022-11-21 16:37:05,703 INFO L137 encePairwiseOnDemand]: 201/208 looper letters, 44 selfloop transitions, 3 changer transitions 0/184 dead transitions. [2022-11-21 16:37:05,703 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 184 transitions, 526 flow [2022-11-21 16:37:05,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:37:05,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:37:05,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 514 transitions. [2022-11-21 16:37:05,705 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8237179487179487 [2022-11-21 16:37:05,705 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 514 transitions. [2022-11-21 16:37:05,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 514 transitions. [2022-11-21 16:37:05,706 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:37:05,706 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 514 transitions. [2022-11-21 16:37:05,707 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:05,709 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:05,710 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:05,710 INFO L175 Difference]: Start difference. First operand has 170 places, 173 transitions, 386 flow. Second operand 3 states and 514 transitions. [2022-11-21 16:37:05,710 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 184 transitions, 526 flow [2022-11-21 16:37:05,716 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 184 transitions, 508 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:37:05,718 INFO L231 Difference]: Finished difference. Result has 167 places, 170 transitions, 379 flow [2022-11-21 16:37:05,719 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=366, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=379, PETRI_PLACES=167, PETRI_TRANSITIONS=170} [2022-11-21 16:37:05,722 INFO L288 CegarLoopForPetriNet]: 192 programPoint places, -25 predicate places. [2022-11-21 16:37:05,722 INFO L495 AbstractCegarLoop]: Abstraction has has 167 places, 170 transitions, 379 flow [2022-11-21 16:37:05,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:05,723 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:37:05,723 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] [2022-11-21 16:37:05,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 16:37:05,724 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2022-11-21 16:37:05,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:05,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1773614485, now seen corresponding path program 1 times [2022-11-21 16:37:05,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:05,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150460783] [2022-11-21 16:37:05,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:05,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:05,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:37:05,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:05,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150460783] [2022-11-21 16:37:05,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150460783] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:05,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:05,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:37:05,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133860882] [2022-11-21 16:37:05,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:05,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:37:05,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:05,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:37:05,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:37:05,814 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 208 [2022-11-21 16:37:05,814 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 170 transitions, 379 flow. Second operand has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:05,814 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:37:05,815 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 208 [2022-11-21 16:37:05,815 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:37:06,141 INFO L130 PetriNetUnfolder]: 236/1426 cut-off events. [2022-11-21 16:37:06,141 INFO L131 PetriNetUnfolder]: For 171/234 co-relation queries the response was YES. [2022-11-21 16:37:06,152 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2047 conditions, 1426 events. 236/1426 cut-off events. For 171/234 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 10344 event pairs, 31 based on Foata normal form. 6/1218 useless extension candidates. Maximal degree in co-relation 768. Up to 294 conditions per place. [2022-11-21 16:37:06,160 INFO L137 encePairwiseOnDemand]: 201/208 looper letters, 34 selfloop transitions, 7 changer transitions 0/187 dead transitions. [2022-11-21 16:37:06,160 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 187 transitions, 519 flow [2022-11-21 16:37:06,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:37:06,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:37:06,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 540 transitions. [2022-11-21 16:37:06,163 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8653846153846154 [2022-11-21 16:37:06,163 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 540 transitions. [2022-11-21 16:37:06,163 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 540 transitions. [2022-11-21 16:37:06,163 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:37:06,164 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 540 transitions. [2022-11-21 16:37:06,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 180.0) internal successors, (540), 3 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:06,167 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:06,167 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:06,168 INFO L175 Difference]: Start difference. First operand has 167 places, 170 transitions, 379 flow. Second operand 3 states and 540 transitions. [2022-11-21 16:37:06,168 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 187 transitions, 519 flow [2022-11-21 16:37:06,169 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 187 transitions, 516 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:37:06,172 INFO L231 Difference]: Finished difference. Result has 169 places, 174 transitions, 424 flow [2022-11-21 16:37:06,172 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=374, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=424, PETRI_PLACES=169, PETRI_TRANSITIONS=174} [2022-11-21 16:37:06,173 INFO L288 CegarLoopForPetriNet]: 192 programPoint places, -23 predicate places. [2022-11-21 16:37:06,173 INFO L495 AbstractCegarLoop]: Abstraction has has 169 places, 174 transitions, 424 flow [2022-11-21 16:37:06,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:06,174 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:37:06,174 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:37:06,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 16:37:06,175 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2022-11-21 16:37:06,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:06,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1770281222, now seen corresponding path program 1 times [2022-11-21 16:37:06,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:06,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842830027] [2022-11-21 16:37:06,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:06,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:06,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:06,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:37:06,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:06,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842830027] [2022-11-21 16:37:06,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842830027] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:06,212 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:06,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:37:06,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701350488] [2022-11-21 16:37:06,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:06,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:37:06,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:06,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:37:06,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:37:06,215 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 208 [2022-11-21 16:37:06,216 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 174 transitions, 424 flow. Second operand has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:06,216 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:37:06,216 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 208 [2022-11-21 16:37:06,216 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:37:06,783 INFO L130 PetriNetUnfolder]: 788/2591 cut-off events. [2022-11-21 16:37:06,784 INFO L131 PetriNetUnfolder]: For 1245/1707 co-relation queries the response was YES. [2022-11-21 16:37:06,793 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5059 conditions, 2591 events. 788/2591 cut-off events. For 1245/1707 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 20193 event pairs, 193 based on Foata normal form. 7/2218 useless extension candidates. Maximal degree in co-relation 1913. Up to 749 conditions per place. [2022-11-21 16:37:06,809 INFO L137 encePairwiseOnDemand]: 202/208 looper letters, 51 selfloop transitions, 3 changer transitions 0/190 dead transitions. [2022-11-21 16:37:06,809 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 190 transitions, 612 flow [2022-11-21 16:37:06,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:37:06,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:37:06,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 520 transitions. [2022-11-21 16:37:06,811 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8333333333333334 [2022-11-21 16:37:06,811 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 520 transitions. [2022-11-21 16:37:06,811 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 520 transitions. [2022-11-21 16:37:06,812 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:37:06,812 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 520 transitions. [2022-11-21 16:37:06,813 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:06,814 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:06,815 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:06,815 INFO L175 Difference]: Start difference. First operand has 169 places, 174 transitions, 424 flow. Second operand 3 states and 520 transitions. [2022-11-21 16:37:06,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 190 transitions, 612 flow [2022-11-21 16:37:06,820 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 190 transitions, 588 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:37:06,823 INFO L231 Difference]: Finished difference. Result has 167 places, 172 transitions, 417 flow [2022-11-21 16:37:06,823 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=404, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=417, PETRI_PLACES=167, PETRI_TRANSITIONS=172} [2022-11-21 16:37:06,825 INFO L288 CegarLoopForPetriNet]: 192 programPoint places, -25 predicate places. [2022-11-21 16:37:06,826 INFO L495 AbstractCegarLoop]: Abstraction has has 167 places, 172 transitions, 417 flow [2022-11-21 16:37:06,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:06,826 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:37:06,826 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] [2022-11-21 16:37:06,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 16:37:06,827 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2022-11-21 16:37:06,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:06,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1578602080, now seen corresponding path program 1 times [2022-11-21 16:37:06,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:06,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331927735] [2022-11-21 16:37:06,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:06,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:06,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:06,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:37:06,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:06,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331927735] [2022-11-21 16:37:06,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331927735] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:06,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:06,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:37:06,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496818912] [2022-11-21 16:37:06,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:06,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:37:06,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:06,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:37:06,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:37:06,923 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 208 [2022-11-21 16:37:06,924 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 172 transitions, 417 flow. Second operand has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:06,924 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:37:06,924 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 208 [2022-11-21 16:37:06,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:37:07,419 INFO L130 PetriNetUnfolder]: 670/2585 cut-off events. [2022-11-21 16:37:07,419 INFO L131 PetriNetUnfolder]: For 799/1181 co-relation queries the response was YES. [2022-11-21 16:37:07,430 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4825 conditions, 2585 events. 670/2585 cut-off events. For 799/1181 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 21219 event pairs, 235 based on Foata normal form. 2/2259 useless extension candidates. Maximal degree in co-relation 1957. Up to 946 conditions per place. [2022-11-21 16:37:07,446 INFO L137 encePairwiseOnDemand]: 205/208 looper letters, 48 selfloop transitions, 2 changer transitions 0/182 dead transitions. [2022-11-21 16:37:07,447 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 182 transitions, 560 flow [2022-11-21 16:37:07,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:37:07,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:37:07,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 501 transitions. [2022-11-21 16:37:07,451 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8028846153846154 [2022-11-21 16:37:07,451 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 501 transitions. [2022-11-21 16:37:07,451 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 501 transitions. [2022-11-21 16:37:07,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:37:07,452 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 501 transitions. [2022-11-21 16:37:07,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:07,454 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:07,456 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:07,456 INFO L175 Difference]: Start difference. First operand has 167 places, 172 transitions, 417 flow. Second operand 3 states and 501 transitions. [2022-11-21 16:37:07,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 182 transitions, 560 flow [2022-11-21 16:37:07,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 182 transitions, 557 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:37:07,462 INFO L231 Difference]: Finished difference. Result has 167 places, 171 transitions, 416 flow [2022-11-21 16:37:07,463 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=412, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=416, PETRI_PLACES=167, PETRI_TRANSITIONS=171} [2022-11-21 16:37:07,465 INFO L288 CegarLoopForPetriNet]: 192 programPoint places, -25 predicate places. [2022-11-21 16:37:07,465 INFO L495 AbstractCegarLoop]: Abstraction has has 167 places, 171 transitions, 416 flow [2022-11-21 16:37:07,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:07,465 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:37:07,466 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] [2022-11-21 16:37:07,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 16:37:07,466 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2022-11-21 16:37:07,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:07,466 INFO L85 PathProgramCache]: Analyzing trace with hash 2007605700, now seen corresponding path program 1 times [2022-11-21 16:37:07,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:07,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757860235] [2022-11-21 16:37:07,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:07,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:07,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:07,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:37:07,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:07,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757860235] [2022-11-21 16:37:07,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757860235] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:07,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:07,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:37:07,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976049324] [2022-11-21 16:37:07,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:07,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:37:07,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:07,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:37:07,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:37:07,570 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 208 [2022-11-21 16:37:07,571 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 171 transitions, 416 flow. Second operand has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:07,571 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:37:07,571 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 208 [2022-11-21 16:37:07,571 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:37:08,010 INFO L130 PetriNetUnfolder]: 844/2517 cut-off events. [2022-11-21 16:37:08,010 INFO L131 PetriNetUnfolder]: For 984/1382 co-relation queries the response was YES. [2022-11-21 16:37:08,019 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5071 conditions, 2517 events. 844/2517 cut-off events. For 984/1382 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 19039 event pairs, 257 based on Foata normal form. 0/2220 useless extension candidates. Maximal degree in co-relation 4136. Up to 1136 conditions per place. [2022-11-21 16:37:08,031 INFO L137 encePairwiseOnDemand]: 205/208 looper letters, 46 selfloop transitions, 2 changer transitions 0/181 dead transitions. [2022-11-21 16:37:08,032 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 181 transitions, 555 flow [2022-11-21 16:37:08,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:37:08,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:37:08,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 508 transitions. [2022-11-21 16:37:08,034 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8141025641025641 [2022-11-21 16:37:08,034 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 508 transitions. [2022-11-21 16:37:08,034 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 508 transitions. [2022-11-21 16:37:08,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:37:08,035 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 508 transitions. [2022-11-21 16:37:08,036 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:08,037 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:08,038 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:08,038 INFO L175 Difference]: Start difference. First operand has 167 places, 171 transitions, 416 flow. Second operand 3 states and 508 transitions. [2022-11-21 16:37:08,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 181 transitions, 555 flow [2022-11-21 16:37:08,040 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 181 transitions, 551 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:37:08,042 INFO L231 Difference]: Finished difference. Result has 166 places, 170 transitions, 414 flow [2022-11-21 16:37:08,043 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=414, PETRI_PLACES=166, PETRI_TRANSITIONS=170} [2022-11-21 16:37:08,043 INFO L288 CegarLoopForPetriNet]: 192 programPoint places, -26 predicate places. [2022-11-21 16:37:08,044 INFO L495 AbstractCegarLoop]: Abstraction has has 166 places, 170 transitions, 414 flow [2022-11-21 16:37:08,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:08,044 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:37:08,044 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] [2022-11-21 16:37:08,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-21 16:37:08,045 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2022-11-21 16:37:08,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:08,045 INFO L85 PathProgramCache]: Analyzing trace with hash -678941982, now seen corresponding path program 1 times [2022-11-21 16:37:08,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:08,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781394022] [2022-11-21 16:37:08,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:08,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:08,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:37:08,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:08,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781394022] [2022-11-21 16:37:08,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781394022] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:08,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:08,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:37:08,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069877716] [2022-11-21 16:37:08,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:08,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:37:08,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:08,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:37:08,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:37:08,536 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 208 [2022-11-21 16:37:08,537 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 170 transitions, 414 flow. Second operand has 6 states, 6 states have (on average 153.0) internal successors, (918), 6 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:08,537 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:37:08,537 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 208 [2022-11-21 16:37:08,538 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:37:09,331 INFO L130 PetriNetUnfolder]: 2214/4646 cut-off events. [2022-11-21 16:37:09,332 INFO L131 PetriNetUnfolder]: For 2664/3457 co-relation queries the response was YES. [2022-11-21 16:37:09,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10711 conditions, 4646 events. 2214/4646 cut-off events. For 2664/3457 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 31747 event pairs, 142 based on Foata normal form. 8/4195 useless extension candidates. Maximal degree in co-relation 8376. Up to 1467 conditions per place. [2022-11-21 16:37:09,376 INFO L137 encePairwiseOnDemand]: 203/208 looper letters, 116 selfloop transitions, 4 changer transitions 0/245 dead transitions. [2022-11-21 16:37:09,377 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 245 transitions, 980 flow [2022-11-21 16:37:09,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:37:09,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 16:37:09,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 977 transitions. [2022-11-21 16:37:09,380 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7828525641025641 [2022-11-21 16:37:09,381 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 977 transitions. [2022-11-21 16:37:09,381 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 977 transitions. [2022-11-21 16:37:09,381 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:37:09,382 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 977 transitions. [2022-11-21 16:37:09,386 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 162.83333333333334) internal successors, (977), 6 states have internal predecessors, (977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:09,388 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 208.0) internal successors, (1456), 7 states have internal predecessors, (1456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:09,389 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 208.0) internal successors, (1456), 7 states have internal predecessors, (1456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:09,389 INFO L175 Difference]: Start difference. First operand has 166 places, 170 transitions, 414 flow. Second operand 6 states and 977 transitions. [2022-11-21 16:37:09,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 245 transitions, 980 flow [2022-11-21 16:37:09,394 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 245 transitions, 976 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:37:09,399 INFO L231 Difference]: Finished difference. Result has 168 places, 169 transitions, 416 flow [2022-11-21 16:37:09,399 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=408, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=416, PETRI_PLACES=168, PETRI_TRANSITIONS=169} [2022-11-21 16:37:09,400 INFO L288 CegarLoopForPetriNet]: 192 programPoint places, -24 predicate places. [2022-11-21 16:37:09,400 INFO L495 AbstractCegarLoop]: Abstraction has has 168 places, 169 transitions, 416 flow [2022-11-21 16:37:09,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 153.0) internal successors, (918), 6 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:09,401 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:37:09,401 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] [2022-11-21 16:37:09,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-21 16:37:09,401 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2022-11-21 16:37:09,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:09,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1727177596, now seen corresponding path program 1 times [2022-11-21 16:37:09,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:09,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142528371] [2022-11-21 16:37:09,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:09,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:09,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:09,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:37:09,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:09,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142528371] [2022-11-21 16:37:09,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142528371] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:09,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:09,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:37:09,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641113195] [2022-11-21 16:37:09,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:09,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:37:09,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:09,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:37:09,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:37:09,975 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 208 [2022-11-21 16:37:09,977 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 169 transitions, 416 flow. Second operand has 6 states, 6 states have (on average 154.16666666666666) internal successors, (925), 6 states have internal predecessors, (925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:09,977 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:37:09,977 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 208 [2022-11-21 16:37:09,977 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:37:10,767 INFO L130 PetriNetUnfolder]: 2018/4492 cut-off events. [2022-11-21 16:37:10,767 INFO L131 PetriNetUnfolder]: For 2516/3074 co-relation queries the response was YES. [2022-11-21 16:37:10,785 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10334 conditions, 4492 events. 2018/4492 cut-off events. For 2516/3074 co-relation queries the response was YES. Maximal size of possible extension queue 178. Compared 31683 event pairs, 582 based on Foata normal form. 0/3906 useless extension candidates. Maximal degree in co-relation 3196. Up to 2311 conditions per place. [2022-11-21 16:37:10,807 INFO L137 encePairwiseOnDemand]: 203/208 looper letters, 79 selfloop transitions, 4 changer transitions 0/208 dead transitions. [2022-11-21 16:37:10,807 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 208 transitions, 756 flow [2022-11-21 16:37:10,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:37:10,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 16:37:10,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 960 transitions. [2022-11-21 16:37:10,811 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7692307692307693 [2022-11-21 16:37:10,811 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 960 transitions. [2022-11-21 16:37:10,811 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 960 transitions. [2022-11-21 16:37:10,812 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:37:10,812 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 960 transitions. [2022-11-21 16:37:10,815 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 160.0) internal successors, (960), 6 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:10,818 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 208.0) internal successors, (1456), 7 states have internal predecessors, (1456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:10,819 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 208.0) internal successors, (1456), 7 states have internal predecessors, (1456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:10,819 INFO L175 Difference]: Start difference. First operand has 168 places, 169 transitions, 416 flow. Second operand 6 states and 960 transitions. [2022-11-21 16:37:10,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 208 transitions, 756 flow [2022-11-21 16:37:10,823 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 208 transitions, 749 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 16:37:10,825 INFO L231 Difference]: Finished difference. Result has 168 places, 168 transitions, 415 flow [2022-11-21 16:37:10,826 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=407, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=415, PETRI_PLACES=168, PETRI_TRANSITIONS=168} [2022-11-21 16:37:10,827 INFO L288 CegarLoopForPetriNet]: 192 programPoint places, -24 predicate places. [2022-11-21 16:37:10,827 INFO L495 AbstractCegarLoop]: Abstraction has has 168 places, 168 transitions, 415 flow [2022-11-21 16:37:10,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 154.16666666666666) internal successors, (925), 6 states have internal predecessors, (925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:10,828 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:37:10,828 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] [2022-11-21 16:37:10,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-21 16:37:10,828 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2022-11-21 16:37:10,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:10,829 INFO L85 PathProgramCache]: Analyzing trace with hash 257134482, now seen corresponding path program 1 times [2022-11-21 16:37:10,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:10,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824338689] [2022-11-21 16:37:10,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:10,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:10,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:11,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:37:11,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:11,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824338689] [2022-11-21 16:37:11,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824338689] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:11,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:11,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:37:11,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592741919] [2022-11-21 16:37:11,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:11,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:37:11,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:11,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:37:11,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:37:11,355 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 208 [2022-11-21 16:37:11,357 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 168 transitions, 415 flow. Second operand has 6 states, 6 states have (on average 155.33333333333334) internal successors, (932), 6 states have internal predecessors, (932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:11,358 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:37:11,358 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 208 [2022-11-21 16:37:11,358 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:37:12,040 INFO L130 PetriNetUnfolder]: 2013/4460 cut-off events. [2022-11-21 16:37:12,040 INFO L131 PetriNetUnfolder]: For 2345/2795 co-relation queries the response was YES. [2022-11-21 16:37:12,056 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10150 conditions, 4460 events. 2013/4460 cut-off events. For 2345/2795 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 31635 event pairs, 710 based on Foata normal form. 16/3951 useless extension candidates. Maximal degree in co-relation 8343. Up to 2813 conditions per place. [2022-11-21 16:37:12,059 INFO L137 encePairwiseOnDemand]: 203/208 looper letters, 0 selfloop transitions, 0 changer transitions 175/175 dead transitions. [2022-11-21 16:37:12,059 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 175 transitions, 561 flow [2022-11-21 16:37:12,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:37:12,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 16:37:12,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 943 transitions. [2022-11-21 16:37:12,063 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7556089743589743 [2022-11-21 16:37:12,063 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 943 transitions. [2022-11-21 16:37:12,063 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 943 transitions. [2022-11-21 16:37:12,064 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:37:12,064 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 943 transitions. [2022-11-21 16:37:12,067 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 157.16666666666666) internal successors, (943), 6 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:12,069 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 208.0) internal successors, (1456), 7 states have internal predecessors, (1456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:12,071 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 208.0) internal successors, (1456), 7 states have internal predecessors, (1456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:12,071 INFO L175 Difference]: Start difference. First operand has 168 places, 168 transitions, 415 flow. Second operand 6 states and 943 transitions. [2022-11-21 16:37:12,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 175 transitions, 561 flow [2022-11-21 16:37:12,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 175 transitions, 554 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 16:37:12,076 INFO L231 Difference]: Finished difference. Result has 168 places, 0 transitions, 0 flow [2022-11-21 16:37:12,076 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=406, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=168, PETRI_TRANSITIONS=0} [2022-11-21 16:37:12,077 INFO L288 CegarLoopForPetriNet]: 192 programPoint places, -24 predicate places. [2022-11-21 16:37:12,077 INFO L495 AbstractCegarLoop]: Abstraction has has 168 places, 0 transitions, 0 flow [2022-11-21 16:37:12,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 155.33333333333334) internal successors, (932), 6 states have internal predecessors, (932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:12,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (54 of 55 remaining) [2022-11-21 16:37:12,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (53 of 55 remaining) [2022-11-21 16:37:12,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (52 of 55 remaining) [2022-11-21 16:37:12,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (51 of 55 remaining) [2022-11-21 16:37:12,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (50 of 55 remaining) [2022-11-21 16:37:12,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (49 of 55 remaining) [2022-11-21 16:37:12,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (48 of 55 remaining) [2022-11-21 16:37:12,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (47 of 55 remaining) [2022-11-21 16:37:12,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (46 of 55 remaining) [2022-11-21 16:37:12,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (45 of 55 remaining) [2022-11-21 16:37:12,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (44 of 55 remaining) [2022-11-21 16:37:12,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (43 of 55 remaining) [2022-11-21 16:37:12,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (42 of 55 remaining) [2022-11-21 16:37:12,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (41 of 55 remaining) [2022-11-21 16:37:12,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (40 of 55 remaining) [2022-11-21 16:37:12,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (39 of 55 remaining) [2022-11-21 16:37:12,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (38 of 55 remaining) [2022-11-21 16:37:12,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (37 of 55 remaining) [2022-11-21 16:37:12,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (36 of 55 remaining) [2022-11-21 16:37:12,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (35 of 55 remaining) [2022-11-21 16:37:12,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (34 of 55 remaining) [2022-11-21 16:37:12,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (33 of 55 remaining) [2022-11-21 16:37:12,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (32 of 55 remaining) [2022-11-21 16:37:12,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (31 of 55 remaining) [2022-11-21 16:37:12,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (30 of 55 remaining) [2022-11-21 16:37:12,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (29 of 55 remaining) [2022-11-21 16:37:12,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (28 of 55 remaining) [2022-11-21 16:37:12,089 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (27 of 55 remaining) [2022-11-21 16:37:12,089 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (26 of 55 remaining) [2022-11-21 16:37:12,089 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (25 of 55 remaining) [2022-11-21 16:37:12,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (24 of 55 remaining) [2022-11-21 16:37:12,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (23 of 55 remaining) [2022-11-21 16:37:12,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 55 remaining) [2022-11-21 16:37:12,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 55 remaining) [2022-11-21 16:37:12,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 55 remaining) [2022-11-21 16:37:12,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (19 of 55 remaining) [2022-11-21 16:37:12,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (18 of 55 remaining) [2022-11-21 16:37:12,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (17 of 55 remaining) [2022-11-21 16:37:12,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (16 of 55 remaining) [2022-11-21 16:37:12,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (15 of 55 remaining) [2022-11-21 16:37:12,092 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (14 of 55 remaining) [2022-11-21 16:37:12,092 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (13 of 55 remaining) [2022-11-21 16:37:12,092 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (12 of 55 remaining) [2022-11-21 16:37:12,092 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (11 of 55 remaining) [2022-11-21 16:37:12,093 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 55 remaining) [2022-11-21 16:37:12,093 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 55 remaining) [2022-11-21 16:37:12,093 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 55 remaining) [2022-11-21 16:37:12,093 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 55 remaining) [2022-11-21 16:37:12,094 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 55 remaining) [2022-11-21 16:37:12,094 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (5 of 55 remaining) [2022-11-21 16:37:12,095 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (4 of 55 remaining) [2022-11-21 16:37:12,095 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (3 of 55 remaining) [2022-11-21 16:37:12,095 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (2 of 55 remaining) [2022-11-21 16:37:12,095 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (1 of 55 remaining) [2022-11-21 16:37:12,096 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (0 of 55 remaining) [2022-11-21 16:37:12,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-21 16:37:12,096 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:37:12,102 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-21 16:37:12,103 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 16:37:12,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 04:37:12 BasicIcfg [2022-11-21 16:37:12,111 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 16:37:12,111 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:37:12,111 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:37:12,112 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:37:12,112 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:37:03" (3/4) ... [2022-11-21 16:37:12,115 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 16:37:12,121 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-21 16:37:12,121 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-21 16:37:12,121 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-21 16:37:12,128 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-11-21 16:37:12,129 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 16:37:12,129 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 16:37:12,129 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 16:37:12,183 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b297477-7990-4496-8587-168da797a636/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 16:37:12,184 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:37:12,184 INFO L158 Benchmark]: Toolchain (without parser) took 10315.65ms. Allocated memory was 172.0MB in the beginning and 329.3MB in the end (delta: 157.3MB). Free memory was 125.3MB in the beginning and 185.9MB in the end (delta: -60.6MB). Peak memory consumption was 97.6MB. Max. memory is 16.1GB. [2022-11-21 16:37:12,185 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 172.0MB. Free memory is still 140.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:37:12,185 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.61ms. Allocated memory is still 172.0MB. Free memory was 125.3MB in the beginning and 113.1MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 16:37:12,185 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.07ms. Allocated memory is still 172.0MB. Free memory was 113.1MB in the beginning and 111.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:37:12,186 INFO L158 Benchmark]: Boogie Preprocessor took 58.30ms. Allocated memory is still 172.0MB. Free memory was 111.1MB in the beginning and 109.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:37:12,186 INFO L158 Benchmark]: RCFGBuilder took 811.95ms. Allocated memory is still 172.0MB. Free memory was 109.4MB in the beginning and 83.4MB in the end (delta: 26.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-21 16:37:12,187 INFO L158 Benchmark]: TraceAbstraction took 8964.75ms. Allocated memory was 172.0MB in the beginning and 329.3MB in the end (delta: 157.3MB). Free memory was 82.5MB in the beginning and 190.1MB in the end (delta: -107.6MB). Peak memory consumption was 165.3MB. Max. memory is 16.1GB. [2022-11-21 16:37:12,189 INFO L158 Benchmark]: Witness Printer took 72.56ms. Allocated memory is still 329.3MB. Free memory was 190.1MB in the beginning and 185.9MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:37:12,191 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 172.0MB. Free memory is still 140.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.61ms. Allocated memory is still 172.0MB. Free memory was 125.3MB in the beginning and 113.1MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.07ms. Allocated memory is still 172.0MB. Free memory was 113.1MB in the beginning and 111.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.30ms. Allocated memory is still 172.0MB. Free memory was 111.1MB in the beginning and 109.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 811.95ms. Allocated memory is still 172.0MB. Free memory was 109.4MB in the beginning and 83.4MB in the end (delta: 26.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 8964.75ms. Allocated memory was 172.0MB in the beginning and 329.3MB in the end (delta: 157.3MB). Free memory was 82.5MB in the beginning and 190.1MB in the end (delta: -107.6MB). Peak memory consumption was 165.3MB. Max. memory is 16.1GB. * Witness Printer took 72.56ms. Allocated memory is still 329.3MB. Free memory was 190.1MB in the beginning and 185.9MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: 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: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: 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: 70]: 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: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: 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: 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: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: 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, 262 locations, 55 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: 8.8s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 151 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 151 mSDsluCounter, 128 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 54 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 734 IncrementalHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 54 mSolverCounterUnsat, 128 mSDtfsCounter, 734 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=424occurred in iteration=7, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 773 NumberOfCodeBlocks, 773 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 760 ConstructedInterpolants, 0 QuantifiedInterpolants, 1023 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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 32 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-21 16:37:12,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b297477-7990-4496-8587-168da797a636/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