./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25b7426-5c40-4a1b-964f-fbc62e1069b9/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25b7426-5c40-4a1b-964f-fbc62e1069b9/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_d25b7426-5c40-4a1b-964f-fbc62e1069b9/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25b7426-5c40-4a1b-964f-fbc62e1069b9/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25b7426-5c40-4a1b-964f-fbc62e1069b9/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_d25b7426-5c40-4a1b-964f-fbc62e1069b9/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 5bf746ef76f8c8352051d8eb5f02d7a475e14d238622e290fcb51135a3348206 --- 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 16:41:28,588 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:41:28,590 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:41:28,613 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:41:28,614 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:41:28,619 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:41:28,625 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:41:28,629 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:41:28,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:41:28,636 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:41:28,638 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:41:28,640 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:41:28,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:41:28,646 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:41:28,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:41:28,648 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:41:28,649 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:41:28,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:41:28,651 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:41:28,653 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:41:28,654 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:41:28,659 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:41:28,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:41:28,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:41:28,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:41:28,679 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:41:28,679 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:41:28,680 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:41:28,681 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:41:28,681 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:41:28,682 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:41:28,683 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:41:28,683 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:41:28,684 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:41:28,685 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:41:28,686 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:41:28,686 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:41:28,687 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:41:28,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:41:28,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:41:28,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:41:28,693 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25b7426-5c40-4a1b-964f-fbc62e1069b9/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-21 16:41:28,746 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:41:28,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:41:28,747 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:41:28,747 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:41:28,748 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:41:28,748 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:41:28,749 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:41:28,749 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:41:28,749 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:41:28,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:41:28,750 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:41:28,750 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:41:28,750 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:41:28,750 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:41:28,751 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:41:28,751 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:41:28,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:41:28,751 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:41:28,752 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-21 16:41:28,752 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:41:28,752 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:41:28,752 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:41:28,753 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:41:28,753 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:41:28,753 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:41:28,753 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:41:28,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:41:28,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:41:28,754 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:41:28,754 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:41:28,755 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:41:28,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:41:28,755 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:41:28,755 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:41:28,756 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:41:28,756 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_d25b7426-5c40-4a1b-964f-fbc62e1069b9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25b7426-5c40-4a1b-964f-fbc62e1069b9/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bf746ef76f8c8352051d8eb5f02d7a475e14d238622e290fcb51135a3348206 [2022-11-21 16:41:29,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:41:29,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:41:29,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:41:29,078 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:41:29,079 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:41:29,080 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25b7426-5c40-4a1b-964f-fbc62e1069b9/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c [2022-11-21 16:41:32,287 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:41:32,595 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:41:32,604 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25b7426-5c40-4a1b-964f-fbc62e1069b9/sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c [2022-11-21 16:41:32,612 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25b7426-5c40-4a1b-964f-fbc62e1069b9/bin/uautomizer-vX5HgA9Q3a/data/e02b2b4c8/765cd1beb72a4f678b93f7fa89c8ffd6/FLAG3c1b24237 [2022-11-21 16:41:32,629 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25b7426-5c40-4a1b-964f-fbc62e1069b9/bin/uautomizer-vX5HgA9Q3a/data/e02b2b4c8/765cd1beb72a4f678b93f7fa89c8ffd6 [2022-11-21 16:41:32,634 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:41:32,636 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:41:32,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:41:32,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:41:32,645 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:41:32,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:41:32" (1/1) ... [2022-11-21 16:41:32,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b3df51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:32, skipping insertion in model container [2022-11-21 16:41:32,647 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:41:32" (1/1) ... [2022-11-21 16:41:32,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:41:32,688 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:41:32,952 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_d25b7426-5c40-4a1b-964f-fbc62e1069b9/sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c[6687,6700] [2022-11-21 16:41:32,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:41:32,972 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:41:33,035 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_d25b7426-5c40-4a1b-964f-fbc62e1069b9/sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c[6687,6700] [2022-11-21 16:41:33,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:41:33,055 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:41:33,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:33 WrapperNode [2022-11-21 16:41:33,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:41:33,057 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:41:33,057 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:41:33,057 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:41:33,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:33" (1/1) ... [2022-11-21 16:41:33,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:33" (1/1) ... [2022-11-21 16:41:33,167 INFO L138 Inliner]: procedures = 26, calls = 93, calls flagged for inlining = 27, calls inlined = 33, statements flattened = 1070 [2022-11-21 16:41:33,168 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:41:33,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:41:33,169 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:41:33,169 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:41:33,178 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:33" (1/1) ... [2022-11-21 16:41:33,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:33" (1/1) ... [2022-11-21 16:41:33,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:33" (1/1) ... [2022-11-21 16:41:33,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:33" (1/1) ... [2022-11-21 16:41:33,222 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:33" (1/1) ... [2022-11-21 16:41:33,230 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:33" (1/1) ... [2022-11-21 16:41:33,234 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:33" (1/1) ... [2022-11-21 16:41:33,237 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:33" (1/1) ... [2022-11-21 16:41:33,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:41:33,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:41:33,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:41:33,245 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:41:33,246 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:33" (1/1) ... [2022-11-21 16:41:33,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:41:33,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25b7426-5c40-4a1b-964f-fbc62e1069b9/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:41:33,281 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25b7426-5c40-4a1b-964f-fbc62e1069b9/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:41:33,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25b7426-5c40-4a1b-964f-fbc62e1069b9/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:41:33,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:41:33,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:41:33,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:41:33,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 16:41:33,361 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 16:41:33,361 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 16:41:33,361 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 16:41:33,361 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 16:41:33,361 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-21 16:41:33,362 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-21 16:41:33,362 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-21 16:41:33,362 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-21 16:41:33,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:41:33,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 16:41:33,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 16:41:33,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 16:41:33,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:41:33,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:41:33,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:41:33,365 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 16:41:33,521 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:41:33,524 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:41:35,241 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:41:36,411 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:41:36,412 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-11-21 16:41:36,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:41:36 BoogieIcfgContainer [2022-11-21 16:41:36,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:41:36,417 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:41:36,417 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:41:36,420 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:41:36,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:41:32" (1/3) ... [2022-11-21 16:41:36,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24007b3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:41:36, skipping insertion in model container [2022-11-21 16:41:36,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:33" (2/3) ... [2022-11-21 16:41:36,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24007b3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:41:36, skipping insertion in model container [2022-11-21 16:41:36,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:41:36" (3/3) ... [2022-11-21 16:41:36,423 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-commit-2.wvr-bad.c [2022-11-21 16:41:36,432 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-21 16:41:36,443 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:41:36,443 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 186 error locations. [2022-11-21 16:41:36,444 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 16:41:36,669 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-11-21 16:41:36,715 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 683 places, 707 transitions, 1446 flow [2022-11-21 16:41:37,122 INFO L130 PetriNetUnfolder]: 37/703 cut-off events. [2022-11-21 16:41:37,122 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-21 16:41:37,137 INFO L83 FinitePrefix]: Finished finitePrefix Result has 720 conditions, 703 events. 37/703 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1532 event pairs, 0 based on Foata normal form. 0/480 useless extension candidates. Maximal degree in co-relation 604. Up to 8 conditions per place. [2022-11-21 16:41:37,137 INFO L82 GeneralOperation]: Start removeDead. Operand has 683 places, 707 transitions, 1446 flow [2022-11-21 16:41:37,161 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 658 places, 681 transitions, 1386 flow [2022-11-21 16:41:37,174 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:41:37,180 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;@724888a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:41:37,180 INFO L358 AbstractCegarLoop]: Starting to check reachability of 340 error locations. [2022-11-21 16:41:37,186 INFO L130 PetriNetUnfolder]: 0/42 cut-off events. [2022-11-21 16:41:37,186 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 16:41:37,186 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:41:37,187 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] [2022-11-21 16:41:37,187 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-21 16:41:37,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:37,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1034260354, now seen corresponding path program 1 times [2022-11-21 16:41:37,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:37,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078887230] [2022-11-21 16:41:37,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:37,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:41:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:37,529 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 16:41:37,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:41:37,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078887230] [2022-11-21 16:41:37,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078887230] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:41:37,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:41:37,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:41:37,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107181894] [2022-11-21 16:41:37,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:41:37,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:41:37,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:41:37,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:41:37,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:41:37,600 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 522 out of 707 [2022-11-21 16:41:37,608 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 658 places, 681 transitions, 1386 flow. Second operand has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:37,609 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:41:37,609 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 522 of 707 [2022-11-21 16:41:37,610 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:41:38,079 INFO L130 PetriNetUnfolder]: 56/562 cut-off events. [2022-11-21 16:41:38,080 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2022-11-21 16:41:38,082 INFO L83 FinitePrefix]: Finished finitePrefix Result has 643 conditions, 562 events. 56/562 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 538 event pairs, 0 based on Foata normal form. 28/505 useless extension candidates. Maximal degree in co-relation 519. Up to 62 conditions per place. [2022-11-21 16:41:38,086 INFO L137 encePairwiseOnDemand]: 550/707 looper letters, 25 selfloop transitions, 2 changer transitions 8/526 dead transitions. [2022-11-21 16:41:38,086 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 521 places, 526 transitions, 1130 flow [2022-11-21 16:41:38,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:41:38,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:41:38,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1748 transitions. [2022-11-21 16:41:38,107 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8241395568128241 [2022-11-21 16:41:38,108 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1748 transitions. [2022-11-21 16:41:38,109 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1748 transitions. [2022-11-21 16:41:38,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:41:38,115 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1748 transitions. [2022-11-21 16:41:38,123 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 582.6666666666666) internal successors, (1748), 3 states have internal predecessors, (1748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:38,134 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:38,136 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:38,138 INFO L175 Difference]: Start difference. First operand has 658 places, 681 transitions, 1386 flow. Second operand 3 states and 1748 transitions. [2022-11-21 16:41:38,139 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 521 places, 526 transitions, 1130 flow [2022-11-21 16:41:38,147 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 513 places, 526 transitions, 1114 flow, removed 0 selfloop flow, removed 8 redundant places. [2022-11-21 16:41:38,159 INFO L231 Difference]: Finished difference. Result has 513 places, 518 transitions, 1048 flow [2022-11-21 16:41:38,161 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1060, PETRI_DIFFERENCE_MINUEND_PLACES=511, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=526, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=524, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1048, PETRI_PLACES=513, PETRI_TRANSITIONS=518} [2022-11-21 16:41:38,165 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -145 predicate places. [2022-11-21 16:41:38,165 INFO L495 AbstractCegarLoop]: Abstraction has has 513 places, 518 transitions, 1048 flow [2022-11-21 16:41:38,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:38,167 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:41:38,167 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] [2022-11-21 16:41:38,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:41:38,168 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-21 16:41:38,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:38,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1405454233, now seen corresponding path program 1 times [2022-11-21 16:41:38,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:38,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275314761] [2022-11-21 16:41:38,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:38,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:41:38,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:38,249 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 16:41:38,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:41:38,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275314761] [2022-11-21 16:41:38,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275314761] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:41:38,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:41:38,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:41:38,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029623755] [2022-11-21 16:41:38,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:41:38,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:41:38,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:41:38,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:41:38,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:41:38,256 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 522 out of 707 [2022-11-21 16:41:38,259 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 513 places, 518 transitions, 1048 flow. Second operand has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:38,259 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:41:38,259 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 522 of 707 [2022-11-21 16:41:38,259 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:41:38,536 INFO L130 PetriNetUnfolder]: 56/553 cut-off events. [2022-11-21 16:41:38,536 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-21 16:41:38,539 INFO L83 FinitePrefix]: Finished finitePrefix Result has 626 conditions, 553 events. 56/553 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 529 event pairs, 0 based on Foata normal form. 0/477 useless extension candidates. Maximal degree in co-relation 576. Up to 63 conditions per place. [2022-11-21 16:41:38,543 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 26 selfloop transitions, 2 changer transitions 0/517 dead transitions. [2022-11-21 16:41:38,544 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 506 places, 517 transitions, 1102 flow [2022-11-21 16:41:38,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:41:38,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:41:38,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1595 transitions. [2022-11-21 16:41:38,549 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.752003771805752 [2022-11-21 16:41:38,549 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1595 transitions. [2022-11-21 16:41:38,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1595 transitions. [2022-11-21 16:41:38,551 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:41:38,551 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1595 transitions. [2022-11-21 16:41:38,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 531.6666666666666) internal successors, (1595), 3 states have internal predecessors, (1595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:38,561 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:38,563 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:38,564 INFO L175 Difference]: Start difference. First operand has 513 places, 518 transitions, 1048 flow. Second operand 3 states and 1595 transitions. [2022-11-21 16:41:38,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 506 places, 517 transitions, 1102 flow [2022-11-21 16:41:38,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 504 places, 517 transitions, 1098 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:41:38,576 INFO L231 Difference]: Finished difference. Result has 504 places, 517 transitions, 1046 flow [2022-11-21 16:41:38,577 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1042, PETRI_DIFFERENCE_MINUEND_PLACES=502, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=517, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=515, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1046, PETRI_PLACES=504, PETRI_TRANSITIONS=517} [2022-11-21 16:41:38,578 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -154 predicate places. [2022-11-21 16:41:38,578 INFO L495 AbstractCegarLoop]: Abstraction has has 504 places, 517 transitions, 1046 flow [2022-11-21 16:41:38,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:38,580 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:41:38,580 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] [2022-11-21 16:41:38,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:41:38,580 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-21 16:41:38,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:38,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1856995672, now seen corresponding path program 1 times [2022-11-21 16:41:38,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:38,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505245831] [2022-11-21 16:41:38,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:38,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:41:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:38,641 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 16:41:38,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:41:38,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505245831] [2022-11-21 16:41:38,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505245831] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:41:38,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:41:38,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:41:38,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751333763] [2022-11-21 16:41:38,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:41:38,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:41:38,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:41:38,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:41:38,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:41:38,646 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 522 out of 707 [2022-11-21 16:41:38,648 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 504 places, 517 transitions, 1046 flow. Second operand has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:38,648 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:41:38,648 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 522 of 707 [2022-11-21 16:41:38,648 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:41:38,858 INFO L130 PetriNetUnfolder]: 56/552 cut-off events. [2022-11-21 16:41:38,859 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-21 16:41:38,861 INFO L83 FinitePrefix]: Finished finitePrefix Result has 625 conditions, 552 events. 56/552 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 533 event pairs, 0 based on Foata normal form. 0/477 useless extension candidates. Maximal degree in co-relation 568. Up to 63 conditions per place. [2022-11-21 16:41:38,864 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 26 selfloop transitions, 2 changer transitions 0/516 dead transitions. [2022-11-21 16:41:38,865 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 505 places, 516 transitions, 1100 flow [2022-11-21 16:41:38,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:41:38,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:41:38,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1595 transitions. [2022-11-21 16:41:38,870 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.752003771805752 [2022-11-21 16:41:38,870 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1595 transitions. [2022-11-21 16:41:38,871 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1595 transitions. [2022-11-21 16:41:38,872 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:41:38,872 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1595 transitions. [2022-11-21 16:41:38,876 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 531.6666666666666) internal successors, (1595), 3 states have internal predecessors, (1595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:38,881 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:38,883 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:38,883 INFO L175 Difference]: Start difference. First operand has 504 places, 517 transitions, 1046 flow. Second operand 3 states and 1595 transitions. [2022-11-21 16:41:38,883 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 505 places, 516 transitions, 1100 flow [2022-11-21 16:41:38,887 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 503 places, 516 transitions, 1096 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:41:38,893 INFO L231 Difference]: Finished difference. Result has 503 places, 516 transitions, 1044 flow [2022-11-21 16:41:38,894 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1040, PETRI_DIFFERENCE_MINUEND_PLACES=501, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=516, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=514, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1044, PETRI_PLACES=503, PETRI_TRANSITIONS=516} [2022-11-21 16:41:38,896 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -155 predicate places. [2022-11-21 16:41:38,896 INFO L495 AbstractCegarLoop]: Abstraction has has 503 places, 516 transitions, 1044 flow [2022-11-21 16:41:38,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:38,898 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:41:38,898 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] [2022-11-21 16:41:38,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:41:38,899 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-21 16:41:38,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:38,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1733019707, now seen corresponding path program 1 times [2022-11-21 16:41:38,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:38,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269731004] [2022-11-21 16:41:38,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:38,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:41:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:39,011 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 16:41:39,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:41:39,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269731004] [2022-11-21 16:41:39,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269731004] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:41:39,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:41:39,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:41:39,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582420934] [2022-11-21 16:41:39,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:41:39,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:41:39,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:41:39,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:41:39,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:41:39,016 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-21 16:41:39,020 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 503 places, 516 transitions, 1044 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:39,020 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:41:39,021 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-21 16:41:39,021 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:41:39,330 INFO L130 PetriNetUnfolder]: 107/777 cut-off events. [2022-11-21 16:41:39,331 INFO L131 PetriNetUnfolder]: For 9/10 co-relation queries the response was YES. [2022-11-21 16:41:39,335 INFO L83 FinitePrefix]: Finished finitePrefix Result has 904 conditions, 777 events. 107/777 cut-off events. For 9/10 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1637 event pairs, 0 based on Foata normal form. 1/649 useless extension candidates. Maximal degree in co-relation 839. Up to 70 conditions per place. [2022-11-21 16:41:39,342 INFO L137 encePairwiseOnDemand]: 702/707 looper letters, 39 selfloop transitions, 4 changer transitions 0/534 dead transitions. [2022-11-21 16:41:39,342 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 504 places, 534 transitions, 1173 flow [2022-11-21 16:41:39,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:41:39,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:41:39,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1619 transitions. [2022-11-21 16:41:39,351 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7633191890617633 [2022-11-21 16:41:39,351 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1619 transitions. [2022-11-21 16:41:39,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1619 transitions. [2022-11-21 16:41:39,353 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:41:39,353 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1619 transitions. [2022-11-21 16:41:39,358 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 539.6666666666666) internal successors, (1619), 3 states have internal predecessors, (1619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:39,363 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:39,365 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:39,370 INFO L175 Difference]: Start difference. First operand has 503 places, 516 transitions, 1044 flow. Second operand 3 states and 1619 transitions. [2022-11-21 16:41:39,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 504 places, 534 transitions, 1173 flow [2022-11-21 16:41:39,374 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 502 places, 534 transitions, 1169 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:41:39,381 INFO L231 Difference]: Finished difference. Result has 503 places, 518 transitions, 1062 flow [2022-11-21 16:41:39,382 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1038, PETRI_DIFFERENCE_MINUEND_PLACES=500, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=515, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=511, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1062, PETRI_PLACES=503, PETRI_TRANSITIONS=518} [2022-11-21 16:41:39,384 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -155 predicate places. [2022-11-21 16:41:39,384 INFO L495 AbstractCegarLoop]: Abstraction has has 503 places, 518 transitions, 1062 flow [2022-11-21 16:41:39,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:39,386 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:41:39,386 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] [2022-11-21 16:41:39,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 16:41:39,387 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-21 16:41:39,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:39,387 INFO L85 PathProgramCache]: Analyzing trace with hash -718593774, now seen corresponding path program 1 times [2022-11-21 16:41:39,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:39,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701767888] [2022-11-21 16:41:39,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:39,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:41:39,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:39,451 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 16:41:39,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:41:39,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701767888] [2022-11-21 16:41:39,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701767888] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:41:39,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:41:39,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:41:39,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624123011] [2022-11-21 16:41:39,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:41:39,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:41:39,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:41:39,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:41:39,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:41:39,456 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-21 16:41:39,458 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 503 places, 518 transitions, 1062 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:39,459 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:41:39,459 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-21 16:41:39,459 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:41:39,728 INFO L130 PetriNetUnfolder]: 107/735 cut-off events. [2022-11-21 16:41:39,728 INFO L131 PetriNetUnfolder]: For 33/33 co-relation queries the response was YES. [2022-11-21 16:41:39,732 INFO L83 FinitePrefix]: Finished finitePrefix Result has 899 conditions, 735 events. 107/735 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1395 event pairs, 3 based on Foata normal form. 0/619 useless extension candidates. Maximal degree in co-relation 531. Up to 115 conditions per place. [2022-11-21 16:41:39,738 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 26 selfloop transitions, 2 changer transitions 0/517 dead transitions. [2022-11-21 16:41:39,738 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 504 places, 517 transitions, 1116 flow [2022-11-21 16:41:39,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:41:39,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:41:39,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1601 transitions. [2022-11-21 16:41:39,743 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7548326261197549 [2022-11-21 16:41:39,743 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1601 transitions. [2022-11-21 16:41:39,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1601 transitions. [2022-11-21 16:41:39,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:41:39,745 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1601 transitions. [2022-11-21 16:41:39,749 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.6666666666666) internal successors, (1601), 3 states have internal predecessors, (1601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:39,754 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:39,756 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:39,757 INFO L175 Difference]: Start difference. First operand has 503 places, 518 transitions, 1062 flow. Second operand 3 states and 1601 transitions. [2022-11-21 16:41:39,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 504 places, 517 transitions, 1116 flow [2022-11-21 16:41:39,761 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 503 places, 517 transitions, 1112 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:41:39,768 INFO L231 Difference]: Finished difference. Result has 503 places, 517 transitions, 1060 flow [2022-11-21 16:41:39,769 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1056, PETRI_DIFFERENCE_MINUEND_PLACES=501, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=517, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=515, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1060, PETRI_PLACES=503, PETRI_TRANSITIONS=517} [2022-11-21 16:41:39,770 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -155 predicate places. [2022-11-21 16:41:39,770 INFO L495 AbstractCegarLoop]: Abstraction has has 503 places, 517 transitions, 1060 flow [2022-11-21 16:41:39,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:39,771 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:41:39,772 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] [2022-11-21 16:41:39,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 16:41:39,772 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-21 16:41:39,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:39,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1507230856, now seen corresponding path program 1 times [2022-11-21 16:41:39,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:39,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558588743] [2022-11-21 16:41:39,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:39,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:41:39,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:39,816 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 16:41:39,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:41:39,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558588743] [2022-11-21 16:41:39,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558588743] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:41:39,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:41:39,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:41:39,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888591424] [2022-11-21 16:41:39,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:41:39,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:41:39,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:41:39,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:41:39,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:41:39,821 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-21 16:41:39,824 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 503 places, 517 transitions, 1060 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:39,824 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:41:39,824 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-21 16:41:39,824 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:41:40,060 INFO L130 PetriNetUnfolder]: 107/734 cut-off events. [2022-11-21 16:41:40,060 INFO L131 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2022-11-21 16:41:40,065 INFO L83 FinitePrefix]: Finished finitePrefix Result has 887 conditions, 734 events. 107/734 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1400 event pairs, 3 based on Foata normal form. 0/619 useless extension candidates. Maximal degree in co-relation 813. Up to 113 conditions per place. [2022-11-21 16:41:40,071 INFO L137 encePairwiseOnDemand]: 705/707 looper letters, 26 selfloop transitions, 1 changer transitions 0/516 dead transitions. [2022-11-21 16:41:40,071 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 504 places, 516 transitions, 1112 flow [2022-11-21 16:41:40,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:41:40,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:41:40,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1600 transitions. [2022-11-21 16:41:40,076 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7543611504007544 [2022-11-21 16:41:40,076 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1600 transitions. [2022-11-21 16:41:40,076 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1600 transitions. [2022-11-21 16:41:40,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:41:40,078 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1600 transitions. [2022-11-21 16:41:40,082 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.3333333333334) internal successors, (1600), 3 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:40,087 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:40,089 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:40,090 INFO L175 Difference]: Start difference. First operand has 503 places, 517 transitions, 1060 flow. Second operand 3 states and 1600 transitions. [2022-11-21 16:41:40,090 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 504 places, 516 transitions, 1112 flow [2022-11-21 16:41:40,094 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 502 places, 516 transitions, 1108 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:41:40,101 INFO L231 Difference]: Finished difference. Result has 502 places, 516 transitions, 1056 flow [2022-11-21 16:41:40,102 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1054, PETRI_DIFFERENCE_MINUEND_PLACES=500, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=516, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=515, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1056, PETRI_PLACES=502, PETRI_TRANSITIONS=516} [2022-11-21 16:41:40,103 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -156 predicate places. [2022-11-21 16:41:40,103 INFO L495 AbstractCegarLoop]: Abstraction has has 502 places, 516 transitions, 1056 flow [2022-11-21 16:41:40,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:40,105 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:41:40,105 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] [2022-11-21 16:41:40,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 16:41:40,106 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-21 16:41:40,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:40,107 INFO L85 PathProgramCache]: Analyzing trace with hash -698051609, now seen corresponding path program 1 times [2022-11-21 16:41:40,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:40,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118232634] [2022-11-21 16:41:40,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:40,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:41:40,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:40,195 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 16:41:40,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:41:40,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118232634] [2022-11-21 16:41:40,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118232634] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:41:40,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:41:40,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:41:40,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379848571] [2022-11-21 16:41:40,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:41:40,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:41:40,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:41:40,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:41:40,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:41:40,199 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-21 16:41:40,202 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 502 places, 516 transitions, 1056 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:40,202 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:41:40,202 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-21 16:41:40,203 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:41:40,460 INFO L130 PetriNetUnfolder]: 107/733 cut-off events. [2022-11-21 16:41:40,460 INFO L131 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2022-11-21 16:41:40,465 INFO L83 FinitePrefix]: Finished finitePrefix Result has 886 conditions, 733 events. 107/733 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1397 event pairs, 3 based on Foata normal form. 0/619 useless extension candidates. Maximal degree in co-relation 813. Up to 115 conditions per place. [2022-11-21 16:41:40,471 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 26 selfloop transitions, 2 changer transitions 0/515 dead transitions. [2022-11-21 16:41:40,471 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 503 places, 515 transitions, 1110 flow [2022-11-21 16:41:40,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:41:40,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:41:40,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1601 transitions. [2022-11-21 16:41:40,477 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7548326261197549 [2022-11-21 16:41:40,477 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1601 transitions. [2022-11-21 16:41:40,477 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1601 transitions. [2022-11-21 16:41:40,478 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:41:40,478 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1601 transitions. [2022-11-21 16:41:40,482 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.6666666666666) internal successors, (1601), 3 states have internal predecessors, (1601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:40,497 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:40,498 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:40,498 INFO L175 Difference]: Start difference. First operand has 502 places, 516 transitions, 1056 flow. Second operand 3 states and 1601 transitions. [2022-11-21 16:41:40,498 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 503 places, 515 transitions, 1110 flow [2022-11-21 16:41:40,503 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 502 places, 515 transitions, 1109 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:41:40,519 INFO L231 Difference]: Finished difference. Result has 502 places, 515 transitions, 1057 flow [2022-11-21 16:41:40,520 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1053, PETRI_DIFFERENCE_MINUEND_PLACES=500, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=515, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=513, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1057, PETRI_PLACES=502, PETRI_TRANSITIONS=515} [2022-11-21 16:41:40,521 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -156 predicate places. [2022-11-21 16:41:40,521 INFO L495 AbstractCegarLoop]: Abstraction has has 502 places, 515 transitions, 1057 flow [2022-11-21 16:41:40,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:40,522 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:41:40,523 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] [2022-11-21 16:41:40,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 16:41:40,523 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-21 16:41:40,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:40,524 INFO L85 PathProgramCache]: Analyzing trace with hash -520522442, now seen corresponding path program 1 times [2022-11-21 16:41:40,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:40,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757631676] [2022-11-21 16:41:40,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:40,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:41:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:41,224 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 16:41:41,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:41:41,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757631676] [2022-11-21 16:41:41,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757631676] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:41:41,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:41:41,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:41:41,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374578030] [2022-11-21 16:41:41,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:41:41,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:41:41,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:41:41,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:41:41,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:41:41,233 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 439 out of 707 [2022-11-21 16:41:41,237 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 502 places, 515 transitions, 1057 flow. Second operand has 6 states, 6 states have (on average 440.8333333333333) internal successors, (2645), 6 states have internal predecessors, (2645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:41,238 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:41:41,238 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 439 of 707 [2022-11-21 16:41:41,238 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:41:42,084 INFO L130 PetriNetUnfolder]: 395/1017 cut-off events. [2022-11-21 16:41:42,085 INFO L131 PetriNetUnfolder]: For 60/60 co-relation queries the response was YES. [2022-11-21 16:41:42,092 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1603 conditions, 1017 events. 395/1017 cut-off events. For 60/60 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1763 event pairs, 9 based on Foata normal form. 0/891 useless extension candidates. Maximal degree in co-relation 1531. Up to 492 conditions per place. [2022-11-21 16:41:42,103 INFO L137 encePairwiseOnDemand]: 683/707 looper letters, 91 selfloop transitions, 20 changer transitions 0/511 dead transitions. [2022-11-21 16:41:42,104 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 503 places, 511 transitions, 1271 flow [2022-11-21 16:41:42,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:41:42,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 16:41:42,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2746 transitions. [2022-11-21 16:41:42,110 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6473361621876473 [2022-11-21 16:41:42,111 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2746 transitions. [2022-11-21 16:41:42,111 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2746 transitions. [2022-11-21 16:41:42,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:41:42,113 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2746 transitions. [2022-11-21 16:41:42,118 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 457.6666666666667) internal successors, (2746), 6 states have internal predecessors, (2746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:42,125 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 707.0) internal successors, (4949), 7 states have internal predecessors, (4949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:42,127 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 707.0) internal successors, (4949), 7 states have internal predecessors, (4949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:42,128 INFO L175 Difference]: Start difference. First operand has 502 places, 515 transitions, 1057 flow. Second operand 6 states and 2746 transitions. [2022-11-21 16:41:42,128 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 503 places, 511 transitions, 1271 flow [2022-11-21 16:41:42,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 501 places, 511 transitions, 1267 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:41:42,139 INFO L231 Difference]: Finished difference. Result has 501 places, 511 transitions, 1085 flow [2022-11-21 16:41:42,140 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1045, PETRI_DIFFERENCE_MINUEND_PLACES=496, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=511, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=491, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1085, PETRI_PLACES=501, PETRI_TRANSITIONS=511} [2022-11-21 16:41:42,141 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -157 predicate places. [2022-11-21 16:41:42,141 INFO L495 AbstractCegarLoop]: Abstraction has has 501 places, 511 transitions, 1085 flow [2022-11-21 16:41:42,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 440.8333333333333) internal successors, (2645), 6 states have internal predecessors, (2645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:42,142 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:41:42,142 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] [2022-11-21 16:41:42,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 16:41:42,143 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-21 16:41:42,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:42,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1279288228, now seen corresponding path program 1 times [2022-11-21 16:41:42,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:42,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176823569] [2022-11-21 16:41:42,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:42,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:41:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:42,191 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 16:41:42,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:41:42,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176823569] [2022-11-21 16:41:42,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176823569] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:41:42,192 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:41:42,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:41:42,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068498355] [2022-11-21 16:41:42,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:41:42,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:41:42,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:41:42,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:41:42,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:41:42,196 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 522 out of 707 [2022-11-21 16:41:42,198 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 501 places, 511 transitions, 1085 flow. Second operand has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:42,199 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:41:42,199 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 522 of 707 [2022-11-21 16:41:42,199 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:41:42,444 INFO L130 PetriNetUnfolder]: 107/728 cut-off events. [2022-11-21 16:41:42,444 INFO L131 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2022-11-21 16:41:42,449 INFO L83 FinitePrefix]: Finished finitePrefix Result has 904 conditions, 728 events. 107/728 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1378 event pairs, 3 based on Foata normal form. 0/619 useless extension candidates. Maximal degree in co-relation 840. Up to 118 conditions per place. [2022-11-21 16:41:42,455 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 29 selfloop transitions, 2 changer transitions 0/510 dead transitions. [2022-11-21 16:41:42,455 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 502 places, 510 transitions, 1145 flow [2022-11-21 16:41:42,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:41:42,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:41:42,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1595 transitions. [2022-11-21 16:41:42,460 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.752003771805752 [2022-11-21 16:41:42,460 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1595 transitions. [2022-11-21 16:41:42,460 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1595 transitions. [2022-11-21 16:41:42,461 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:41:42,462 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1595 transitions. [2022-11-21 16:41:42,465 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 531.6666666666666) internal successors, (1595), 3 states have internal predecessors, (1595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:42,469 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:42,470 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:42,470 INFO L175 Difference]: Start difference. First operand has 501 places, 511 transitions, 1085 flow. Second operand 3 states and 1595 transitions. [2022-11-21 16:41:42,470 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 502 places, 510 transitions, 1145 flow [2022-11-21 16:41:42,475 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 497 places, 510 transitions, 1105 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-21 16:41:42,482 INFO L231 Difference]: Finished difference. Result has 497 places, 510 transitions, 1047 flow [2022-11-21 16:41:42,483 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1043, PETRI_DIFFERENCE_MINUEND_PLACES=495, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=510, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=508, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1047, PETRI_PLACES=497, PETRI_TRANSITIONS=510} [2022-11-21 16:41:42,484 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -161 predicate places. [2022-11-21 16:41:42,485 INFO L495 AbstractCegarLoop]: Abstraction has has 497 places, 510 transitions, 1047 flow [2022-11-21 16:41:42,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:42,486 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:41:42,486 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 16:41:42,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 16:41:42,486 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-21 16:41:42,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:42,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1374277485, now seen corresponding path program 1 times [2022-11-21 16:41:42,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:42,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712176286] [2022-11-21 16:41:42,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:42,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:41:42,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:42,536 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 16:41:42,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:41:42,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712176286] [2022-11-21 16:41:42,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712176286] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:41:42,537 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:41:42,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:41:42,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459832939] [2022-11-21 16:41:42,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:41:42,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:41:42,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:41:42,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:41:42,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:41:42,541 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-21 16:41:42,543 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 497 places, 510 transitions, 1047 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:42,544 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:41:42,544 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-21 16:41:42,544 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:41:42,881 INFO L130 PetriNetUnfolder]: 161/917 cut-off events. [2022-11-21 16:41:42,881 INFO L131 PetriNetUnfolder]: For 47/47 co-relation queries the response was YES. [2022-11-21 16:41:42,886 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1133 conditions, 917 events. 161/917 cut-off events. For 47/47 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2266 event pairs, 3 based on Foata normal form. 0/769 useless extension candidates. Maximal degree in co-relation 1061. Up to 105 conditions per place. [2022-11-21 16:41:42,894 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 44 selfloop transitions, 2 changer transitions 0/528 dead transitions. [2022-11-21 16:41:42,894 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 498 places, 528 transitions, 1191 flow [2022-11-21 16:41:42,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:41:42,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:41:42,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1616 transitions. [2022-11-21 16:41:42,898 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7619047619047619 [2022-11-21 16:41:42,898 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1616 transitions. [2022-11-21 16:41:42,898 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1616 transitions. [2022-11-21 16:41:42,899 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:41:42,899 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1616 transitions. [2022-11-21 16:41:42,902 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 538.6666666666666) internal successors, (1616), 3 states have internal predecessors, (1616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:42,906 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:42,907 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:42,907 INFO L175 Difference]: Start difference. First operand has 497 places, 510 transitions, 1047 flow. Second operand 3 states and 1616 transitions. [2022-11-21 16:41:42,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 498 places, 528 transitions, 1191 flow [2022-11-21 16:41:42,912 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 496 places, 528 transitions, 1187 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:41:42,917 INFO L231 Difference]: Finished difference. Result has 497 places, 510 transitions, 1051 flow [2022-11-21 16:41:42,919 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1041, PETRI_DIFFERENCE_MINUEND_PLACES=494, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=509, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=507, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1051, PETRI_PLACES=497, PETRI_TRANSITIONS=510} [2022-11-21 16:41:42,920 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -161 predicate places. [2022-11-21 16:41:42,920 INFO L495 AbstractCegarLoop]: Abstraction has has 497 places, 510 transitions, 1051 flow [2022-11-21 16:41:42,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:42,921 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:41:42,921 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:41:42,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-21 16:41:42,922 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-21 16:41:42,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:42,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1707105066, now seen corresponding path program 1 times [2022-11-21 16:41:42,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:42,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501615905] [2022-11-21 16:41:42,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:42,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:41:42,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:42,975 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 16:41:42,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:41:42,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501615905] [2022-11-21 16:41:42,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501615905] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:41:42,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:41:42,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:41:42,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178200391] [2022-11-21 16:41:42,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:41:42,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:41:42,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:41:42,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:41:42,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:41:42,979 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-21 16:41:42,980 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 497 places, 510 transitions, 1051 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:42,981 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:41:42,981 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-21 16:41:42,981 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:41:43,261 INFO L130 PetriNetUnfolder]: 161/916 cut-off events. [2022-11-21 16:41:43,261 INFO L131 PetriNetUnfolder]: For 63/63 co-relation queries the response was YES. [2022-11-21 16:41:43,267 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1157 conditions, 916 events. 161/916 cut-off events. For 63/63 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2265 event pairs, 10 based on Foata normal form. 0/769 useless extension candidates. Maximal degree in co-relation 1083. Up to 171 conditions per place. [2022-11-21 16:41:43,273 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 27 selfloop transitions, 2 changer transitions 0/509 dead transitions. [2022-11-21 16:41:43,273 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 498 places, 509 transitions, 1107 flow [2022-11-21 16:41:43,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:41:43,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:41:43,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1601 transitions. [2022-11-21 16:41:43,277 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7548326261197549 [2022-11-21 16:41:43,277 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1601 transitions. [2022-11-21 16:41:43,277 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1601 transitions. [2022-11-21 16:41:43,278 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:41:43,278 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1601 transitions. [2022-11-21 16:41:43,281 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.6666666666666) internal successors, (1601), 3 states have internal predecessors, (1601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:43,284 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:43,285 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:43,285 INFO L175 Difference]: Start difference. First operand has 497 places, 510 transitions, 1051 flow. Second operand 3 states and 1601 transitions. [2022-11-21 16:41:43,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 498 places, 509 transitions, 1107 flow [2022-11-21 16:41:43,291 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 497 places, 509 transitions, 1105 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:41:43,297 INFO L231 Difference]: Finished difference. Result has 497 places, 509 transitions, 1051 flow [2022-11-21 16:41:43,298 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1047, PETRI_DIFFERENCE_MINUEND_PLACES=495, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=509, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=507, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1051, PETRI_PLACES=497, PETRI_TRANSITIONS=509} [2022-11-21 16:41:43,299 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -161 predicate places. [2022-11-21 16:41:43,299 INFO L495 AbstractCegarLoop]: Abstraction has has 497 places, 509 transitions, 1051 flow [2022-11-21 16:41:43,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:43,300 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:41:43,300 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:41:43,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-21 16:41:43,300 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-21 16:41:43,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:43,301 INFO L85 PathProgramCache]: Analyzing trace with hash 83621888, now seen corresponding path program 1 times [2022-11-21 16:41:43,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:43,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801227973] [2022-11-21 16:41:43,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:43,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:41:43,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:43,366 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 16:41:43,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:41:43,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801227973] [2022-11-21 16:41:43,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801227973] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:41:43,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:41:43,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:41:43,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927330137] [2022-11-21 16:41:43,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:41:43,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:41:43,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:41:43,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:41:43,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:41:43,371 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 522 out of 707 [2022-11-21 16:41:43,372 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 497 places, 509 transitions, 1051 flow. Second operand has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:43,372 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:41:43,373 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 522 of 707 [2022-11-21 16:41:43,373 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:41:43,643 INFO L130 PetriNetUnfolder]: 161/915 cut-off events. [2022-11-21 16:41:43,643 INFO L131 PetriNetUnfolder]: For 62/62 co-relation queries the response was YES. [2022-11-21 16:41:43,650 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1153 conditions, 915 events. 161/915 cut-off events. For 62/62 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2263 event pairs, 10 based on Foata normal form. 0/769 useless extension candidates. Maximal degree in co-relation 1079. Up to 174 conditions per place. [2022-11-21 16:41:43,655 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 30 selfloop transitions, 2 changer transitions 0/508 dead transitions. [2022-11-21 16:41:43,656 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 498 places, 508 transitions, 1113 flow [2022-11-21 16:41:43,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:41:43,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:41:43,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1595 transitions. [2022-11-21 16:41:43,660 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.752003771805752 [2022-11-21 16:41:43,660 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1595 transitions. [2022-11-21 16:41:43,660 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1595 transitions. [2022-11-21 16:41:43,661 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:41:43,661 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1595 transitions. [2022-11-21 16:41:43,664 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 531.6666666666666) internal successors, (1595), 3 states have internal predecessors, (1595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:43,668 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:43,668 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:43,669 INFO L175 Difference]: Start difference. First operand has 497 places, 509 transitions, 1051 flow. Second operand 3 states and 1595 transitions. [2022-11-21 16:41:43,669 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 498 places, 508 transitions, 1113 flow [2022-11-21 16:41:43,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 496 places, 508 transitions, 1109 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:41:43,678 INFO L231 Difference]: Finished difference. Result has 496 places, 508 transitions, 1049 flow [2022-11-21 16:41:43,679 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1045, PETRI_DIFFERENCE_MINUEND_PLACES=494, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=508, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=506, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1049, PETRI_PLACES=496, PETRI_TRANSITIONS=508} [2022-11-21 16:41:43,681 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -162 predicate places. [2022-11-21 16:41:43,681 INFO L495 AbstractCegarLoop]: Abstraction has has 496 places, 508 transitions, 1049 flow [2022-11-21 16:41:43,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:43,682 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:41:43,682 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:41:43,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-21 16:41:43,682 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-21 16:41:43,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:43,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1130724500, now seen corresponding path program 1 times [2022-11-21 16:41:43,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:43,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125576713] [2022-11-21 16:41:43,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:43,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:41:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:43,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:41:43,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:41:43,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125576713] [2022-11-21 16:41:43,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125576713] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:41:43,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:41:43,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:41:43,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671252237] [2022-11-21 16:41:43,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:41:43,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:41:43,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:41:43,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:41:43,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:41:43,741 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-21 16:41:43,743 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 496 places, 508 transitions, 1049 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:43,743 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:41:43,743 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-21 16:41:43,743 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:41:44,039 INFO L130 PetriNetUnfolder]: 158/951 cut-off events. [2022-11-21 16:41:44,039 INFO L131 PetriNetUnfolder]: For 63/64 co-relation queries the response was YES. [2022-11-21 16:41:44,045 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1185 conditions, 951 events. 158/951 cut-off events. For 63/64 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2579 event pairs, 10 based on Foata normal form. 0/794 useless extension candidates. Maximal degree in co-relation 1112. Up to 169 conditions per place. [2022-11-21 16:41:44,050 INFO L137 encePairwiseOnDemand]: 705/707 looper letters, 27 selfloop transitions, 1 changer transitions 0/507 dead transitions. [2022-11-21 16:41:44,050 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 497 places, 507 transitions, 1103 flow [2022-11-21 16:41:44,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:41:44,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:41:44,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1600 transitions. [2022-11-21 16:41:44,054 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7543611504007544 [2022-11-21 16:41:44,054 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1600 transitions. [2022-11-21 16:41:44,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1600 transitions. [2022-11-21 16:41:44,055 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:41:44,055 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1600 transitions. [2022-11-21 16:41:44,058 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.3333333333334) internal successors, (1600), 3 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:44,063 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:44,064 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:44,064 INFO L175 Difference]: Start difference. First operand has 496 places, 508 transitions, 1049 flow. Second operand 3 states and 1600 transitions. [2022-11-21 16:41:44,064 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 497 places, 507 transitions, 1103 flow [2022-11-21 16:41:44,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 495 places, 507 transitions, 1099 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:41:44,073 INFO L231 Difference]: Finished difference. Result has 495 places, 507 transitions, 1045 flow [2022-11-21 16:41:44,074 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1043, PETRI_DIFFERENCE_MINUEND_PLACES=493, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=507, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=506, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1045, PETRI_PLACES=495, PETRI_TRANSITIONS=507} [2022-11-21 16:41:44,075 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -163 predicate places. [2022-11-21 16:41:44,075 INFO L495 AbstractCegarLoop]: Abstraction has has 495 places, 507 transitions, 1045 flow [2022-11-21 16:41:44,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:44,076 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:41:44,076 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:41:44,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-21 16:41:44,076 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-21 16:41:44,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:44,077 INFO L85 PathProgramCache]: Analyzing trace with hash 2118891099, now seen corresponding path program 1 times [2022-11-21 16:41:44,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:44,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125183834] [2022-11-21 16:41:44,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:44,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:41:44,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:44,144 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 16:41:44,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:41:44,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125183834] [2022-11-21 16:41:44,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125183834] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:41:44,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:41:44,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:41:44,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252505596] [2022-11-21 16:41:44,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:41:44,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:41:44,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:41:44,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:41:44,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:41:44,148 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-21 16:41:44,150 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 495 places, 507 transitions, 1045 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:44,150 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:41:44,150 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-21 16:41:44,150 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:41:44,433 INFO L130 PetriNetUnfolder]: 158/950 cut-off events. [2022-11-21 16:41:44,433 INFO L131 PetriNetUnfolder]: For 62/63 co-relation queries the response was YES. [2022-11-21 16:41:44,439 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1184 conditions, 950 events. 158/950 cut-off events. For 62/63 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2576 event pairs, 10 based on Foata normal form. 0/794 useless extension candidates. Maximal degree in co-relation 1110. Up to 171 conditions per place. [2022-11-21 16:41:44,445 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 27 selfloop transitions, 2 changer transitions 0/506 dead transitions. [2022-11-21 16:41:44,446 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 496 places, 506 transitions, 1101 flow [2022-11-21 16:41:44,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:41:44,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:41:44,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1601 transitions. [2022-11-21 16:41:44,450 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7548326261197549 [2022-11-21 16:41:44,450 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1601 transitions. [2022-11-21 16:41:44,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1601 transitions. [2022-11-21 16:41:44,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:41:44,451 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1601 transitions. [2022-11-21 16:41:44,454 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.6666666666666) internal successors, (1601), 3 states have internal predecessors, (1601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:44,457 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:44,458 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:44,458 INFO L175 Difference]: Start difference. First operand has 495 places, 507 transitions, 1045 flow. Second operand 3 states and 1601 transitions. [2022-11-21 16:41:44,459 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 496 places, 506 transitions, 1101 flow [2022-11-21 16:41:44,462 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 495 places, 506 transitions, 1100 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:41:44,468 INFO L231 Difference]: Finished difference. Result has 495 places, 506 transitions, 1046 flow [2022-11-21 16:41:44,468 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1042, PETRI_DIFFERENCE_MINUEND_PLACES=493, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=506, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=504, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1046, PETRI_PLACES=495, PETRI_TRANSITIONS=506} [2022-11-21 16:41:44,469 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -163 predicate places. [2022-11-21 16:41:44,469 INFO L495 AbstractCegarLoop]: Abstraction has has 495 places, 506 transitions, 1046 flow [2022-11-21 16:41:44,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:44,470 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:41:44,470 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:41:44,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-21 16:41:44,471 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-21 16:41:44,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:44,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1215301896, now seen corresponding path program 1 times [2022-11-21 16:41:44,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:44,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775540796] [2022-11-21 16:41:44,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:44,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:41:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:44,544 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 16:41:44,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:41:44,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775540796] [2022-11-21 16:41:44,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775540796] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:41:44,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:41:44,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:41:44,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095455007] [2022-11-21 16:41:44,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:41:44,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:41:44,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:41:44,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:41:44,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:41:44,547 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 522 out of 707 [2022-11-21 16:41:44,550 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 495 places, 506 transitions, 1046 flow. Second operand has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:44,550 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:41:44,550 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 522 of 707 [2022-11-21 16:41:44,550 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:41:44,884 INFO L130 PetriNetUnfolder]: 158/949 cut-off events. [2022-11-21 16:41:44,884 INFO L131 PetriNetUnfolder]: For 62/63 co-relation queries the response was YES. [2022-11-21 16:41:44,891 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1188 conditions, 949 events. 158/949 cut-off events. For 62/63 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2572 event pairs, 10 based on Foata normal form. 0/794 useless extension candidates. Maximal degree in co-relation 1114. Up to 174 conditions per place. [2022-11-21 16:41:44,897 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 30 selfloop transitions, 2 changer transitions 0/505 dead transitions. [2022-11-21 16:41:44,897 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 496 places, 505 transitions, 1108 flow [2022-11-21 16:41:44,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:41:44,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:41:44,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1595 transitions. [2022-11-21 16:41:44,901 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.752003771805752 [2022-11-21 16:41:44,902 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1595 transitions. [2022-11-21 16:41:44,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1595 transitions. [2022-11-21 16:41:44,903 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:41:44,903 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1595 transitions. [2022-11-21 16:41:44,906 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 531.6666666666666) internal successors, (1595), 3 states have internal predecessors, (1595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:44,910 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:44,911 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:44,911 INFO L175 Difference]: Start difference. First operand has 495 places, 506 transitions, 1046 flow. Second operand 3 states and 1595 transitions. [2022-11-21 16:41:44,911 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 496 places, 505 transitions, 1108 flow [2022-11-21 16:41:44,915 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 494 places, 505 transitions, 1104 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:41:44,921 INFO L231 Difference]: Finished difference. Result has 494 places, 505 transitions, 1044 flow [2022-11-21 16:41:44,923 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1040, PETRI_DIFFERENCE_MINUEND_PLACES=492, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=505, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=503, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1044, PETRI_PLACES=494, PETRI_TRANSITIONS=505} [2022-11-21 16:41:44,924 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -164 predicate places. [2022-11-21 16:41:44,924 INFO L495 AbstractCegarLoop]: Abstraction has has 494 places, 505 transitions, 1044 flow [2022-11-21 16:41:44,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:44,925 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:41:44,925 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:41:44,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-21 16:41:44,925 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-21 16:41:44,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:44,926 INFO L85 PathProgramCache]: Analyzing trace with hash -159245978, now seen corresponding path program 1 times [2022-11-21 16:41:44,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:44,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484484361] [2022-11-21 16:41:44,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:44,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:41:44,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:44,990 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 16:41:44,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:41:44,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484484361] [2022-11-21 16:41:44,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484484361] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:41:44,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:41:44,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:41:44,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433390282] [2022-11-21 16:41:44,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:41:44,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:41:44,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:41:44,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:41:44,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:41:44,999 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-21 16:41:45,000 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 494 places, 505 transitions, 1044 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:45,001 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:41:45,001 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-21 16:41:45,001 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:41:45,506 INFO L130 PetriNetUnfolder]: 300/1384 cut-off events. [2022-11-21 16:41:45,506 INFO L131 PetriNetUnfolder]: For 119/120 co-relation queries the response was YES. [2022-11-21 16:41:45,518 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1815 conditions, 1384 events. 300/1384 cut-off events. For 119/120 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 5279 event pairs, 16 based on Foata normal form. 0/1151 useless extension candidates. Maximal degree in co-relation 1742. Up to 167 conditions per place. [2022-11-21 16:41:45,528 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 48 selfloop transitions, 2 changer transitions 0/526 dead transitions. [2022-11-21 16:41:45,529 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 495 places, 526 transitions, 1208 flow [2022-11-21 16:41:45,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:41:45,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:41:45,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1618 transitions. [2022-11-21 16:41:45,533 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7628477133427628 [2022-11-21 16:41:45,533 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1618 transitions. [2022-11-21 16:41:45,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1618 transitions. [2022-11-21 16:41:45,535 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:41:45,535 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1618 transitions. [2022-11-21 16:41:45,538 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 539.3333333333334) internal successors, (1618), 3 states have internal predecessors, (1618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:45,542 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:45,543 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:45,545 INFO L175 Difference]: Start difference. First operand has 494 places, 505 transitions, 1044 flow. Second operand 3 states and 1618 transitions. [2022-11-21 16:41:45,545 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 495 places, 526 transitions, 1208 flow [2022-11-21 16:41:45,548 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 493 places, 526 transitions, 1204 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:41:45,554 INFO L231 Difference]: Finished difference. Result has 494 places, 505 transitions, 1048 flow [2022-11-21 16:41:45,555 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1038, PETRI_DIFFERENCE_MINUEND_PLACES=491, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=504, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=502, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1048, PETRI_PLACES=494, PETRI_TRANSITIONS=505} [2022-11-21 16:41:45,556 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -164 predicate places. [2022-11-21 16:41:45,558 INFO L495 AbstractCegarLoop]: Abstraction has has 494 places, 505 transitions, 1048 flow [2022-11-21 16:41:45,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:45,559 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:41:45,559 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:41:45,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-21 16:41:45,560 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-21 16:41:45,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:45,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1359361916, now seen corresponding path program 1 times [2022-11-21 16:41:45,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:45,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262875616] [2022-11-21 16:41:45,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:45,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:41:45,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:45,629 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 16:41:45,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:41:45,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262875616] [2022-11-21 16:41:45,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262875616] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:41:45,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:41:45,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:41:45,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204211270] [2022-11-21 16:41:45,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:41:45,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:41:45,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:41:45,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:41:45,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:41:45,635 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-21 16:41:45,637 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 494 places, 505 transitions, 1048 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:45,637 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:41:45,637 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-21 16:41:45,638 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:41:46,187 INFO L130 PetriNetUnfolder]: 300/1431 cut-off events. [2022-11-21 16:41:46,188 INFO L131 PetriNetUnfolder]: For 143/144 co-relation queries the response was YES. [2022-11-21 16:41:46,199 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1899 conditions, 1431 events. 300/1431 cut-off events. For 143/144 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 5707 event pairs, 30 based on Foata normal form. 0/1176 useless extension candidates. Maximal degree in co-relation 1824. Up to 323 conditions per place. [2022-11-21 16:41:46,209 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 28 selfloop transitions, 2 changer transitions 0/504 dead transitions. [2022-11-21 16:41:46,210 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 495 places, 504 transitions, 1106 flow [2022-11-21 16:41:46,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:41:46,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:41:46,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1601 transitions. [2022-11-21 16:41:46,214 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7548326261197549 [2022-11-21 16:41:46,215 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1601 transitions. [2022-11-21 16:41:46,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1601 transitions. [2022-11-21 16:41:46,216 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:41:46,216 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1601 transitions. [2022-11-21 16:41:46,220 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.6666666666666) internal successors, (1601), 3 states have internal predecessors, (1601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:46,224 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:46,225 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:46,225 INFO L175 Difference]: Start difference. First operand has 494 places, 505 transitions, 1048 flow. Second operand 3 states and 1601 transitions. [2022-11-21 16:41:46,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 495 places, 504 transitions, 1106 flow [2022-11-21 16:41:46,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 494 places, 504 transitions, 1104 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:41:46,235 INFO L231 Difference]: Finished difference. Result has 494 places, 504 transitions, 1048 flow [2022-11-21 16:41:46,236 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1044, PETRI_DIFFERENCE_MINUEND_PLACES=492, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=504, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=502, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1048, PETRI_PLACES=494, PETRI_TRANSITIONS=504} [2022-11-21 16:41:46,237 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -164 predicate places. [2022-11-21 16:41:46,237 INFO L495 AbstractCegarLoop]: Abstraction has has 494 places, 504 transitions, 1048 flow [2022-11-21 16:41:46,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:46,238 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:41:46,238 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:41:46,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-21 16:41:46,238 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-21 16:41:46,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:46,239 INFO L85 PathProgramCache]: Analyzing trace with hash -121120091, now seen corresponding path program 1 times [2022-11-21 16:41:46,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:46,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265994049] [2022-11-21 16:41:46,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:46,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:41:46,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:46,301 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 16:41:46,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:41:46,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265994049] [2022-11-21 16:41:46,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265994049] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:41:46,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:41:46,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:41:46,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147712212] [2022-11-21 16:41:46,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:41:46,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:41:46,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:41:46,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:41:46,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:41:46,306 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 522 out of 707 [2022-11-21 16:41:46,308 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 494 places, 504 transitions, 1048 flow. Second operand has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:46,308 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:41:46,308 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 522 of 707 [2022-11-21 16:41:46,308 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:41:46,840 INFO L130 PetriNetUnfolder]: 300/1430 cut-off events. [2022-11-21 16:41:46,842 INFO L131 PetriNetUnfolder]: For 142/143 co-relation queries the response was YES. [2022-11-21 16:41:46,852 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1891 conditions, 1430 events. 300/1430 cut-off events. For 142/143 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 5721 event pairs, 30 based on Foata normal form. 0/1176 useless extension candidates. Maximal degree in co-relation 1816. Up to 326 conditions per place. [2022-11-21 16:41:46,862 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 31 selfloop transitions, 2 changer transitions 0/503 dead transitions. [2022-11-21 16:41:46,862 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 495 places, 503 transitions, 1112 flow [2022-11-21 16:41:46,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:41:46,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:41:46,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1595 transitions. [2022-11-21 16:41:46,866 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.752003771805752 [2022-11-21 16:41:46,866 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1595 transitions. [2022-11-21 16:41:46,867 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1595 transitions. [2022-11-21 16:41:46,868 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:41:46,868 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1595 transitions. [2022-11-21 16:41:46,871 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 531.6666666666666) internal successors, (1595), 3 states have internal predecessors, (1595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:46,875 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:46,876 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:46,877 INFO L175 Difference]: Start difference. First operand has 494 places, 504 transitions, 1048 flow. Second operand 3 states and 1595 transitions. [2022-11-21 16:41:46,877 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 495 places, 503 transitions, 1112 flow [2022-11-21 16:41:46,880 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 493 places, 503 transitions, 1108 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:41:46,885 INFO L231 Difference]: Finished difference. Result has 493 places, 503 transitions, 1046 flow [2022-11-21 16:41:46,886 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1042, PETRI_DIFFERENCE_MINUEND_PLACES=491, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=503, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=501, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1046, PETRI_PLACES=493, PETRI_TRANSITIONS=503} [2022-11-21 16:41:46,887 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -165 predicate places. [2022-11-21 16:41:46,887 INFO L495 AbstractCegarLoop]: Abstraction has has 493 places, 503 transitions, 1046 flow [2022-11-21 16:41:46,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:46,888 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:41:46,888 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:41:46,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-21 16:41:46,889 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-21 16:41:46,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:46,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1268068674, now seen corresponding path program 1 times [2022-11-21 16:41:46,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:46,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778132082] [2022-11-21 16:41:46,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:46,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:41:46,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:46,953 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 16:41:46,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:41:46,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778132082] [2022-11-21 16:41:46,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778132082] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:41:46,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:41:46,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:41:46,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145858994] [2022-11-21 16:41:46,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:41:46,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:41:46,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:41:46,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:41:46,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:41:46,959 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-21 16:41:46,961 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 493 places, 503 transitions, 1046 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:46,961 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:41:46,961 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-21 16:41:46,962 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:41:47,468 INFO L130 PetriNetUnfolder]: 300/1429 cut-off events. [2022-11-21 16:41:47,469 INFO L131 PetriNetUnfolder]: For 143/144 co-relation queries the response was YES. [2022-11-21 16:41:47,485 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1886 conditions, 1429 events. 300/1429 cut-off events. For 143/144 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 5709 event pairs, 30 based on Foata normal form. 0/1176 useless extension candidates. Maximal degree in co-relation 1812. Up to 321 conditions per place. [2022-11-21 16:41:47,498 INFO L137 encePairwiseOnDemand]: 705/707 looper letters, 28 selfloop transitions, 1 changer transitions 0/502 dead transitions. [2022-11-21 16:41:47,499 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 494 places, 502 transitions, 1102 flow [2022-11-21 16:41:47,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:41:47,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:41:47,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1600 transitions. [2022-11-21 16:41:47,504 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7543611504007544 [2022-11-21 16:41:47,504 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1600 transitions. [2022-11-21 16:41:47,504 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1600 transitions. [2022-11-21 16:41:47,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:41:47,507 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1600 transitions. [2022-11-21 16:41:47,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.3333333333334) internal successors, (1600), 3 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:47,517 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:47,518 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:47,519 INFO L175 Difference]: Start difference. First operand has 493 places, 503 transitions, 1046 flow. Second operand 3 states and 1600 transitions. [2022-11-21 16:41:47,519 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 494 places, 502 transitions, 1102 flow [2022-11-21 16:41:47,523 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 492 places, 502 transitions, 1098 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:41:47,529 INFO L231 Difference]: Finished difference. Result has 492 places, 502 transitions, 1042 flow [2022-11-21 16:41:47,530 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1040, PETRI_DIFFERENCE_MINUEND_PLACES=490, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=502, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=501, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1042, PETRI_PLACES=492, PETRI_TRANSITIONS=502} [2022-11-21 16:41:47,531 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -166 predicate places. [2022-11-21 16:41:47,531 INFO L495 AbstractCegarLoop]: Abstraction has has 492 places, 502 transitions, 1042 flow [2022-11-21 16:41:47,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:47,532 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:41:47,533 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:41:47,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-21 16:41:47,533 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-21 16:41:47,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:47,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1224142506, now seen corresponding path program 1 times [2022-11-21 16:41:47,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:47,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545254559] [2022-11-21 16:41:47,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:47,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:41:47,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:47,631 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 16:41:47,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:41:47,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545254559] [2022-11-21 16:41:47,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545254559] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:41:47,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:41:47,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:41:47,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979459856] [2022-11-21 16:41:47,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:41:47,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:41:47,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:41:47,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:41:47,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:41:47,636 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-21 16:41:47,638 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 492 places, 502 transitions, 1042 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:47,638 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:41:47,638 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-21 16:41:47,638 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:41:48,153 INFO L130 PetriNetUnfolder]: 300/1428 cut-off events. [2022-11-21 16:41:48,154 INFO L131 PetriNetUnfolder]: For 142/143 co-relation queries the response was YES. [2022-11-21 16:41:48,173 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1885 conditions, 1428 events. 300/1428 cut-off events. For 142/143 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 5711 event pairs, 30 based on Foata normal form. 0/1176 useless extension candidates. Maximal degree in co-relation 1810. Up to 323 conditions per place. [2022-11-21 16:41:48,183 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 28 selfloop transitions, 2 changer transitions 0/501 dead transitions. [2022-11-21 16:41:48,183 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 493 places, 501 transitions, 1100 flow [2022-11-21 16:41:48,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:41:48,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:41:48,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1601 transitions. [2022-11-21 16:41:48,188 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7548326261197549 [2022-11-21 16:41:48,188 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1601 transitions. [2022-11-21 16:41:48,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1601 transitions. [2022-11-21 16:41:48,189 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:41:48,189 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1601 transitions. [2022-11-21 16:41:48,192 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.6666666666666) internal successors, (1601), 3 states have internal predecessors, (1601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:48,196 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:48,197 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:48,198 INFO L175 Difference]: Start difference. First operand has 492 places, 502 transitions, 1042 flow. Second operand 3 states and 1601 transitions. [2022-11-21 16:41:48,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 493 places, 501 transitions, 1100 flow [2022-11-21 16:41:48,201 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 492 places, 501 transitions, 1099 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:41:48,207 INFO L231 Difference]: Finished difference. Result has 492 places, 501 transitions, 1043 flow [2022-11-21 16:41:48,208 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1039, PETRI_DIFFERENCE_MINUEND_PLACES=490, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=501, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=499, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1043, PETRI_PLACES=492, PETRI_TRANSITIONS=501} [2022-11-21 16:41:48,208 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -166 predicate places. [2022-11-21 16:41:48,208 INFO L495 AbstractCegarLoop]: Abstraction has has 492 places, 501 transitions, 1043 flow [2022-11-21 16:41:48,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:48,209 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:41:48,210 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:41:48,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-21 16:41:48,210 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-21 16:41:48,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:48,211 INFO L85 PathProgramCache]: Analyzing trace with hash 69853625, now seen corresponding path program 1 times [2022-11-21 16:41:48,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:48,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933257380] [2022-11-21 16:41:48,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:48,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:41:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:48,276 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 16:41:48,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:41:48,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933257380] [2022-11-21 16:41:48,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933257380] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:41:48,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:41:48,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:41:48,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520697282] [2022-11-21 16:41:48,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:41:48,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:41:48,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:41:48,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:41:48,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:41:48,281 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 522 out of 707 [2022-11-21 16:41:48,283 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 492 places, 501 transitions, 1043 flow. Second operand has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:48,283 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:41:48,283 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 522 of 707 [2022-11-21 16:41:48,283 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:41:48,904 INFO L130 PetriNetUnfolder]: 300/1427 cut-off events. [2022-11-21 16:41:48,904 INFO L131 PetriNetUnfolder]: For 142/143 co-relation queries the response was YES. [2022-11-21 16:41:48,920 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1889 conditions, 1427 events. 300/1427 cut-off events. For 142/143 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 5726 event pairs, 30 based on Foata normal form. 0/1176 useless extension candidates. Maximal degree in co-relation 1814. Up to 326 conditions per place. [2022-11-21 16:41:48,934 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 31 selfloop transitions, 2 changer transitions 0/500 dead transitions. [2022-11-21 16:41:48,934 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 493 places, 500 transitions, 1107 flow [2022-11-21 16:41:48,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:41:48,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:41:48,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1595 transitions. [2022-11-21 16:41:48,940 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.752003771805752 [2022-11-21 16:41:48,940 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1595 transitions. [2022-11-21 16:41:48,941 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1595 transitions. [2022-11-21 16:41:48,942 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:41:48,942 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1595 transitions. [2022-11-21 16:41:48,947 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 531.6666666666666) internal successors, (1595), 3 states have internal predecessors, (1595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:48,952 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:48,954 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:48,954 INFO L175 Difference]: Start difference. First operand has 492 places, 501 transitions, 1043 flow. Second operand 3 states and 1595 transitions. [2022-11-21 16:41:48,954 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 493 places, 500 transitions, 1107 flow [2022-11-21 16:41:48,959 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 491 places, 500 transitions, 1103 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:41:48,967 INFO L231 Difference]: Finished difference. Result has 491 places, 500 transitions, 1041 flow [2022-11-21 16:41:48,968 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1037, PETRI_DIFFERENCE_MINUEND_PLACES=489, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=500, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=498, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1041, PETRI_PLACES=491, PETRI_TRANSITIONS=500} [2022-11-21 16:41:48,969 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -167 predicate places. [2022-11-21 16:41:48,969 INFO L495 AbstractCegarLoop]: Abstraction has has 491 places, 500 transitions, 1041 flow [2022-11-21 16:41:48,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:48,970 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:41:48,970 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:41:48,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-21 16:41:48,971 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-21 16:41:48,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:48,972 INFO L85 PathProgramCache]: Analyzing trace with hash 969333769, now seen corresponding path program 1 times [2022-11-21 16:41:48,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:48,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511898048] [2022-11-21 16:41:48,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:48,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:41:48,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:49,041 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 16:41:49,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:41:49,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511898048] [2022-11-21 16:41:49,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511898048] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:41:49,041 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:41:49,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:41:49,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190208343] [2022-11-21 16:41:49,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:41:49,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:41:49,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:41:49,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:41:49,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:41:49,045 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-21 16:41:49,047 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 491 places, 500 transitions, 1041 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:49,047 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:41:49,047 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-21 16:41:49,047 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:41:49,823 INFO L130 PetriNetUnfolder]: 552/2230 cut-off events. [2022-11-21 16:41:49,824 INFO L131 PetriNetUnfolder]: For 263/269 co-relation queries the response was YES. [2022-11-21 16:41:49,846 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3048 conditions, 2230 events. 552/2230 cut-off events. For 263/269 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 11873 event pairs, 30 based on Foata normal form. 5/1836 useless extension candidates. Maximal degree in co-relation 2974. Up to 299 conditions per place. [2022-11-21 16:41:49,866 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 49 selfloop transitions, 2 changer transitions 0/521 dead transitions. [2022-11-21 16:41:49,867 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 492 places, 521 transitions, 1210 flow [2022-11-21 16:41:49,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:41:49,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:41:49,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1617 transitions. [2022-11-21 16:41:49,871 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7623762376237624 [2022-11-21 16:41:49,872 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1617 transitions. [2022-11-21 16:41:49,872 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1617 transitions. [2022-11-21 16:41:49,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:41:49,873 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1617 transitions. [2022-11-21 16:41:49,877 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 539.0) internal successors, (1617), 3 states have internal predecessors, (1617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:49,881 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:49,882 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:49,883 INFO L175 Difference]: Start difference. First operand has 491 places, 500 transitions, 1041 flow. Second operand 3 states and 1617 transitions. [2022-11-21 16:41:49,883 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 492 places, 521 transitions, 1210 flow [2022-11-21 16:41:49,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 490 places, 521 transitions, 1206 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:41:49,893 INFO L231 Difference]: Finished difference. Result has 491 places, 500 transitions, 1045 flow [2022-11-21 16:41:49,894 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1035, PETRI_DIFFERENCE_MINUEND_PLACES=488, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=499, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=497, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1045, PETRI_PLACES=491, PETRI_TRANSITIONS=500} [2022-11-21 16:41:49,894 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -167 predicate places. [2022-11-21 16:41:49,895 INFO L495 AbstractCegarLoop]: Abstraction has has 491 places, 500 transitions, 1045 flow [2022-11-21 16:41:49,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:49,896 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:41:49,896 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:41:49,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-21 16:41:49,896 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-21 16:41:49,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:49,897 INFO L85 PathProgramCache]: Analyzing trace with hash 161610356, now seen corresponding path program 1 times [2022-11-21 16:41:49,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:49,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994178773] [2022-11-21 16:41:49,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:49,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:41:49,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:49,986 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 16:41:49,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:41:49,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994178773] [2022-11-21 16:41:49,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994178773] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:41:49,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:41:49,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:41:49,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127451051] [2022-11-21 16:41:49,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:41:49,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:41:49,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:41:49,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:41:49,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:41:49,994 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-21 16:41:49,996 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 491 places, 500 transitions, 1045 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:49,996 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:41:49,996 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-21 16:41:49,996 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:41:50,593 INFO L130 PetriNetUnfolder]: 548/2253 cut-off events. [2022-11-21 16:41:50,594 INFO L131 PetriNetUnfolder]: For 319/320 co-relation queries the response was YES. [2022-11-21 16:41:50,608 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3156 conditions, 2253 events. 548/2253 cut-off events. For 319/320 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 12015 event pairs, 82 based on Foata normal form. 0/1844 useless extension candidates. Maximal degree in co-relation 3080. Up to 591 conditions per place. [2022-11-21 16:41:50,622 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 29 selfloop transitions, 2 changer transitions 0/499 dead transitions. [2022-11-21 16:41:50,623 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 492 places, 499 transitions, 1105 flow [2022-11-21 16:41:50,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:41:50,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:41:50,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1601 transitions. [2022-11-21 16:41:50,627 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7548326261197549 [2022-11-21 16:41:50,627 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1601 transitions. [2022-11-21 16:41:50,627 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1601 transitions. [2022-11-21 16:41:50,628 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:41:50,629 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1601 transitions. [2022-11-21 16:41:50,632 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.6666666666666) internal successors, (1601), 3 states have internal predecessors, (1601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:50,635 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:50,636 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:50,636 INFO L175 Difference]: Start difference. First operand has 491 places, 500 transitions, 1045 flow. Second operand 3 states and 1601 transitions. [2022-11-21 16:41:50,637 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 492 places, 499 transitions, 1105 flow [2022-11-21 16:41:50,640 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 491 places, 499 transitions, 1103 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:41:50,646 INFO L231 Difference]: Finished difference. Result has 491 places, 499 transitions, 1045 flow [2022-11-21 16:41:50,646 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1041, PETRI_DIFFERENCE_MINUEND_PLACES=489, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=499, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=497, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1045, PETRI_PLACES=491, PETRI_TRANSITIONS=499} [2022-11-21 16:41:50,647 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -167 predicate places. [2022-11-21 16:41:50,647 INFO L495 AbstractCegarLoop]: Abstraction has has 491 places, 499 transitions, 1045 flow [2022-11-21 16:41:50,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:50,648 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:41:50,648 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:41:50,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-21 16:41:50,649 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-21 16:41:50,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:50,649 INFO L85 PathProgramCache]: Analyzing trace with hash -311383579, now seen corresponding path program 1 times [2022-11-21 16:41:50,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:50,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229529280] [2022-11-21 16:41:50,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:50,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:41:50,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:50,714 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 16:41:50,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:41:50,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229529280] [2022-11-21 16:41:50,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229529280] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:41:50,715 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:41:50,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:41:50,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399318740] [2022-11-21 16:41:50,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:41:50,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:41:50,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:41:50,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:41:50,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:41:50,718 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 522 out of 707 [2022-11-21 16:41:50,720 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 491 places, 499 transitions, 1045 flow. Second operand has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:50,720 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:41:50,720 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 522 of 707 [2022-11-21 16:41:50,720 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:41:51,396 INFO L130 PetriNetUnfolder]: 548/2252 cut-off events. [2022-11-21 16:41:51,396 INFO L131 PetriNetUnfolder]: For 318/319 co-relation queries the response was YES. [2022-11-21 16:41:51,414 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3132 conditions, 2252 events. 548/2252 cut-off events. For 318/319 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 12015 event pairs, 82 based on Foata normal form. 0/1844 useless extension candidates. Maximal degree in co-relation 3056. Up to 594 conditions per place. [2022-11-21 16:41:51,431 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 32 selfloop transitions, 2 changer transitions 0/498 dead transitions. [2022-11-21 16:41:51,431 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 492 places, 498 transitions, 1111 flow [2022-11-21 16:41:51,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:41:51,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:41:51,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1595 transitions. [2022-11-21 16:41:51,436 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.752003771805752 [2022-11-21 16:41:51,436 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1595 transitions. [2022-11-21 16:41:51,436 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1595 transitions. [2022-11-21 16:41:51,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:41:51,437 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1595 transitions. [2022-11-21 16:41:51,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 531.6666666666666) internal successors, (1595), 3 states have internal predecessors, (1595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:51,443 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:51,443 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:51,443 INFO L175 Difference]: Start difference. First operand has 491 places, 499 transitions, 1045 flow. Second operand 3 states and 1595 transitions. [2022-11-21 16:41:51,444 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 492 places, 498 transitions, 1111 flow [2022-11-21 16:41:51,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 490 places, 498 transitions, 1107 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:41:51,452 INFO L231 Difference]: Finished difference. Result has 490 places, 498 transitions, 1043 flow [2022-11-21 16:41:51,453 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1039, PETRI_DIFFERENCE_MINUEND_PLACES=488, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=498, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=496, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1043, PETRI_PLACES=490, PETRI_TRANSITIONS=498} [2022-11-21 16:41:51,453 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -168 predicate places. [2022-11-21 16:41:51,454 INFO L495 AbstractCegarLoop]: Abstraction has has 490 places, 498 transitions, 1043 flow [2022-11-21 16:41:51,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:51,454 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:41:51,455 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:41:51,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-21 16:41:51,457 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-21 16:41:51,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:51,458 INFO L85 PathProgramCache]: Analyzing trace with hash 364000701, now seen corresponding path program 1 times [2022-11-21 16:41:51,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:51,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698120410] [2022-11-21 16:41:51,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:51,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:41:51,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:51,540 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 16:41:51,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:41:51,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698120410] [2022-11-21 16:41:51,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698120410] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:41:51,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:41:51,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:41:51,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60914089] [2022-11-21 16:41:51,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:41:51,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:41:51,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:41:51,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:41:51,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:41:51,544 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-21 16:41:51,545 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 490 places, 498 transitions, 1043 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:51,546 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:41:51,546 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-21 16:41:51,546 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:41:52,319 INFO L130 PetriNetUnfolder]: 548/2251 cut-off events. [2022-11-21 16:41:52,319 INFO L131 PetriNetUnfolder]: For 319/320 co-relation queries the response was YES. [2022-11-21 16:41:52,342 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3127 conditions, 2251 events. 548/2251 cut-off events. For 319/320 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 12031 event pairs, 82 based on Foata normal form. 0/1844 useless extension candidates. Maximal degree in co-relation 3052. Up to 589 conditions per place. [2022-11-21 16:41:52,362 INFO L137 encePairwiseOnDemand]: 705/707 looper letters, 29 selfloop transitions, 1 changer transitions 0/497 dead transitions. [2022-11-21 16:41:52,362 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 491 places, 497 transitions, 1101 flow [2022-11-21 16:41:52,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:41:52,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:41:52,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1600 transitions. [2022-11-21 16:41:52,367 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7543611504007544 [2022-11-21 16:41:52,367 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1600 transitions. [2022-11-21 16:41:52,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1600 transitions. [2022-11-21 16:41:52,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:41:52,369 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1600 transitions. [2022-11-21 16:41:52,372 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.3333333333334) internal successors, (1600), 3 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:52,375 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:52,376 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:52,376 INFO L175 Difference]: Start difference. First operand has 490 places, 498 transitions, 1043 flow. Second operand 3 states and 1600 transitions. [2022-11-21 16:41:52,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 491 places, 497 transitions, 1101 flow [2022-11-21 16:41:52,379 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 489 places, 497 transitions, 1097 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:41:52,385 INFO L231 Difference]: Finished difference. Result has 489 places, 497 transitions, 1039 flow [2022-11-21 16:41:52,386 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1037, PETRI_DIFFERENCE_MINUEND_PLACES=487, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=497, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=496, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1039, PETRI_PLACES=489, PETRI_TRANSITIONS=497} [2022-11-21 16:41:52,386 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -169 predicate places. [2022-11-21 16:41:52,387 INFO L495 AbstractCegarLoop]: Abstraction has has 489 places, 497 transitions, 1039 flow [2022-11-21 16:41:52,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:52,388 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:41:52,388 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:41:52,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-21 16:41:52,388 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-21 16:41:52,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:52,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1039423489, now seen corresponding path program 1 times [2022-11-21 16:41:52,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:52,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275303061] [2022-11-21 16:41:52,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:52,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:41:52,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:52,485 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 16:41:52,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:41:52,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275303061] [2022-11-21 16:41:52,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275303061] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:41:52,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:41:52,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:41:52,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237882665] [2022-11-21 16:41:52,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:41:52,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:41:52,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:41:52,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:41:52,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:41:52,490 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-21 16:41:52,492 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 489 places, 497 transitions, 1039 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:52,492 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:41:52,493 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-21 16:41:52,493 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:41:53,280 INFO L130 PetriNetUnfolder]: 548/2250 cut-off events. [2022-11-21 16:41:53,281 INFO L131 PetriNetUnfolder]: For 318/319 co-relation queries the response was YES. [2022-11-21 16:41:53,301 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3126 conditions, 2250 events. 548/2250 cut-off events. For 318/319 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 12053 event pairs, 82 based on Foata normal form. 0/1844 useless extension candidates. Maximal degree in co-relation 3050. Up to 591 conditions per place. [2022-11-21 16:41:53,319 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 29 selfloop transitions, 2 changer transitions 0/496 dead transitions. [2022-11-21 16:41:53,319 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 490 places, 496 transitions, 1099 flow [2022-11-21 16:41:53,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:41:53,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:41:53,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1601 transitions. [2022-11-21 16:41:53,324 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7548326261197549 [2022-11-21 16:41:53,324 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1601 transitions. [2022-11-21 16:41:53,324 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1601 transitions. [2022-11-21 16:41:53,325 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:41:53,326 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1601 transitions. [2022-11-21 16:41:53,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.6666666666666) internal successors, (1601), 3 states have internal predecessors, (1601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:53,332 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:53,333 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:53,333 INFO L175 Difference]: Start difference. First operand has 489 places, 497 transitions, 1039 flow. Second operand 3 states and 1601 transitions. [2022-11-21 16:41:53,333 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 490 places, 496 transitions, 1099 flow [2022-11-21 16:41:53,337 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 489 places, 496 transitions, 1098 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:41:53,343 INFO L231 Difference]: Finished difference. Result has 489 places, 496 transitions, 1040 flow [2022-11-21 16:41:53,344 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1036, PETRI_DIFFERENCE_MINUEND_PLACES=487, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=496, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=494, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1040, PETRI_PLACES=489, PETRI_TRANSITIONS=496} [2022-11-21 16:41:53,345 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -169 predicate places. [2022-11-21 16:41:53,345 INFO L495 AbstractCegarLoop]: Abstraction has has 489 places, 496 transitions, 1040 flow [2022-11-21 16:41:53,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:53,346 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:41:53,347 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:41:53,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-21 16:41:53,347 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-21 16:41:53,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:53,348 INFO L85 PathProgramCache]: Analyzing trace with hash 647721511, now seen corresponding path program 1 times [2022-11-21 16:41:53,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:53,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036558871] [2022-11-21 16:41:53,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:53,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:41:53,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:53,433 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 16:41:53,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:41:53,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036558871] [2022-11-21 16:41:53,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036558871] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:41:53,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:41:53,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:41:53,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291116073] [2022-11-21 16:41:53,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:41:53,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:41:53,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:41:53,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:41:53,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:41:53,438 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-21 16:41:53,439 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 489 places, 496 transitions, 1040 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:53,440 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:41:53,440 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-21 16:41:53,440 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:41:54,271 INFO L130 PetriNetUnfolder]: 548/2249 cut-off events. [2022-11-21 16:41:54,271 INFO L131 PetriNetUnfolder]: For 318/319 co-relation queries the response was YES. [2022-11-21 16:41:54,284 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3127 conditions, 2249 events. 548/2249 cut-off events. For 318/319 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 12049 event pairs, 82 based on Foata normal form. 0/1844 useless extension candidates. Maximal degree in co-relation 3051. Up to 591 conditions per place. [2022-11-21 16:41:54,295 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 29 selfloop transitions, 2 changer transitions 0/495 dead transitions. [2022-11-21 16:41:54,296 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 490 places, 495 transitions, 1100 flow [2022-11-21 16:41:54,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:41:54,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:41:54,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1601 transitions. [2022-11-21 16:41:54,301 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7548326261197549 [2022-11-21 16:41:54,301 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1601 transitions. [2022-11-21 16:41:54,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1601 transitions. [2022-11-21 16:41:54,302 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:41:54,302 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1601 transitions. [2022-11-21 16:41:54,305 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.6666666666666) internal successors, (1601), 3 states have internal predecessors, (1601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:54,308 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:54,309 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:54,309 INFO L175 Difference]: Start difference. First operand has 489 places, 496 transitions, 1040 flow. Second operand 3 states and 1601 transitions. [2022-11-21 16:41:54,310 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 490 places, 495 transitions, 1100 flow [2022-11-21 16:41:54,313 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 488 places, 495 transitions, 1096 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:41:54,319 INFO L231 Difference]: Finished difference. Result has 488 places, 495 transitions, 1038 flow [2022-11-21 16:41:54,320 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1034, PETRI_DIFFERENCE_MINUEND_PLACES=486, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=495, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=493, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1038, PETRI_PLACES=488, PETRI_TRANSITIONS=495} [2022-11-21 16:41:54,321 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -170 predicate places. [2022-11-21 16:41:54,321 INFO L495 AbstractCegarLoop]: Abstraction has has 488 places, 495 transitions, 1038 flow [2022-11-21 16:41:54,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:54,321 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:41:54,322 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:41:54,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-21 16:41:54,322 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-21 16:41:54,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:54,323 INFO L85 PathProgramCache]: Analyzing trace with hash -569659295, now seen corresponding path program 1 times [2022-11-21 16:41:54,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:54,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804430401] [2022-11-21 16:41:54,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:54,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:41:54,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:54,427 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 16:41:54,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:41:54,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804430401] [2022-11-21 16:41:54,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804430401] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:41:54,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:41:54,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:41:54,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667974244] [2022-11-21 16:41:54,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:41:54,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:41:54,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:41:54,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:41:54,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:41:54,431 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-21 16:41:54,433 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 488 places, 495 transitions, 1038 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:54,433 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:41:54,433 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-21 16:41:54,434 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:41:55,128 INFO L130 PetriNetUnfolder]: 551/2171 cut-off events. [2022-11-21 16:41:55,129 INFO L131 PetriNetUnfolder]: For 318/318 co-relation queries the response was YES. [2022-11-21 16:41:55,147 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3049 conditions, 2171 events. 551/2171 cut-off events. For 318/318 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 11113 event pairs, 82 based on Foata normal form. 0/1809 useless extension candidates. Maximal degree in co-relation 2973. Up to 591 conditions per place. [2022-11-21 16:41:55,161 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 29 selfloop transitions, 2 changer transitions 0/494 dead transitions. [2022-11-21 16:41:55,161 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 489 places, 494 transitions, 1098 flow [2022-11-21 16:41:55,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:41:55,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:41:55,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1601 transitions. [2022-11-21 16:41:55,166 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7548326261197549 [2022-11-21 16:41:55,166 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1601 transitions. [2022-11-21 16:41:55,167 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1601 transitions. [2022-11-21 16:41:55,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:41:55,168 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1601 transitions. [2022-11-21 16:41:55,170 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.6666666666666) internal successors, (1601), 3 states have internal predecessors, (1601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:55,173 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:55,174 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:55,174 INFO L175 Difference]: Start difference. First operand has 488 places, 495 transitions, 1038 flow. Second operand 3 states and 1601 transitions. [2022-11-21 16:41:55,175 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 489 places, 494 transitions, 1098 flow [2022-11-21 16:41:55,179 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 487 places, 494 transitions, 1094 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:41:55,185 INFO L231 Difference]: Finished difference. Result has 487 places, 494 transitions, 1036 flow [2022-11-21 16:41:55,186 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1032, PETRI_DIFFERENCE_MINUEND_PLACES=485, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=494, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=492, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1036, PETRI_PLACES=487, PETRI_TRANSITIONS=494} [2022-11-21 16:41:55,186 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -171 predicate places. [2022-11-21 16:41:55,187 INFO L495 AbstractCegarLoop]: Abstraction has has 487 places, 494 transitions, 1036 flow [2022-11-21 16:41:55,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:55,188 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:41:55,188 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:41:55,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-21 16:41:55,188 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-21 16:41:55,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:55,189 INFO L85 PathProgramCache]: Analyzing trace with hash 280493566, now seen corresponding path program 1 times [2022-11-21 16:41:55,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:55,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806273641] [2022-11-21 16:41:55,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:55,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:41:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:55,302 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 16:41:55,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:41:55,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806273641] [2022-11-21 16:41:55,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806273641] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:41:55,303 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:41:55,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:41:55,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079386635] [2022-11-21 16:41:55,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:41:55,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:41:55,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:41:55,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:41:55,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:41:55,307 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 513 out of 707 [2022-11-21 16:41:55,308 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 487 places, 494 transitions, 1036 flow. Second operand has 3 states, 3 states have (on average 514.0) internal successors, (1542), 3 states have internal predecessors, (1542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:55,308 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:41:55,308 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 513 of 707 [2022-11-21 16:41:55,308 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:41:57,741 INFO L130 PetriNetUnfolder]: 2636/7019 cut-off events. [2022-11-21 16:41:57,741 INFO L131 PetriNetUnfolder]: For 1294/1310 co-relation queries the response was YES. [2022-11-21 16:41:57,811 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11418 conditions, 7019 events. 2636/7019 cut-off events. For 1294/1310 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 52966 event pairs, 378 based on Foata normal form. 4/5950 useless extension candidates. Maximal degree in co-relation 11343. Up to 2446 conditions per place. [2022-11-21 16:41:57,873 INFO L137 encePairwiseOnDemand]: 694/707 looper letters, 45 selfloop transitions, 10 changer transitions 0/505 dead transitions. [2022-11-21 16:41:57,874 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 483 places, 505 transitions, 1187 flow [2022-11-21 16:41:57,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:41:57,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:41:57,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1591 transitions. [2022-11-21 16:41:57,879 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7501178689297501 [2022-11-21 16:41:57,879 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1591 transitions. [2022-11-21 16:41:57,880 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1591 transitions. [2022-11-21 16:41:57,881 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:41:57,881 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1591 transitions. [2022-11-21 16:41:57,885 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 530.3333333333334) internal successors, (1591), 3 states have internal predecessors, (1591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:57,889 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:57,890 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:57,890 INFO L175 Difference]: Start difference. First operand has 487 places, 494 transitions, 1036 flow. Second operand 3 states and 1591 transitions. [2022-11-21 16:41:57,890 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 483 places, 505 transitions, 1187 flow [2022-11-21 16:41:57,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 481 places, 505 transitions, 1183 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:41:57,904 INFO L231 Difference]: Finished difference. Result has 482 places, 489 transitions, 1054 flow [2022-11-21 16:41:57,905 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1020, PETRI_DIFFERENCE_MINUEND_PLACES=479, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=488, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=478, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1054, PETRI_PLACES=482, PETRI_TRANSITIONS=489} [2022-11-21 16:41:57,906 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -176 predicate places. [2022-11-21 16:41:57,906 INFO L495 AbstractCegarLoop]: Abstraction has has 482 places, 489 transitions, 1054 flow [2022-11-21 16:41:57,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 514.0) internal successors, (1542), 3 states have internal predecessors, (1542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:57,907 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:41:57,908 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:41:57,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-21 16:41:57,908 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-21 16:41:57,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:57,909 INFO L85 PathProgramCache]: Analyzing trace with hash 338753014, now seen corresponding path program 1 times [2022-11-21 16:41:57,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:57,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692988116] [2022-11-21 16:41:57,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:57,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:41:57,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:58,036 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 16:41:58,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:41:58,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692988116] [2022-11-21 16:41:58,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692988116] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:41:58,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:41:58,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:41:58,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592982992] [2022-11-21 16:41:58,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:41:58,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:41:58,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:41:58,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:41:58,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:41:58,042 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-21 16:41:58,044 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 482 places, 489 transitions, 1054 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:41:58,044 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:41:58,044 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-21 16:41:58,044 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:41:59,992 INFO L130 PetriNetUnfolder]: 2648/6061 cut-off events. [2022-11-21 16:41:59,992 INFO L131 PetriNetUnfolder]: For 4958/5062 co-relation queries the response was YES. [2022-11-21 16:42:00,031 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11306 conditions, 6061 events. 2648/6061 cut-off events. For 4958/5062 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 38655 event pairs, 130 based on Foata normal form. 25/5328 useless extension candidates. Maximal degree in co-relation 11231. Up to 2268 conditions per place. [2022-11-21 16:42:00,072 INFO L137 encePairwiseOnDemand]: 702/707 looper letters, 48 selfloop transitions, 4 changer transitions 0/509 dead transitions. [2022-11-21 16:42:00,073 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 482 places, 509 transitions, 1251 flow [2022-11-21 16:42:00,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:42:00,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:42:00,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1618 transitions. [2022-11-21 16:42:00,077 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7628477133427628 [2022-11-21 16:42:00,077 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1618 transitions. [2022-11-21 16:42:00,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1618 transitions. [2022-11-21 16:42:00,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:42:00,078 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1618 transitions. [2022-11-21 16:42:00,080 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 539.3333333333334) internal successors, (1618), 3 states have internal predecessors, (1618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:00,083 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:00,083 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:00,084 INFO L175 Difference]: Start difference. First operand has 482 places, 489 transitions, 1054 flow. Second operand 3 states and 1618 transitions. [2022-11-21 16:42:00,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 482 places, 509 transitions, 1251 flow [2022-11-21 16:42:00,092 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 481 places, 509 transitions, 1232 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:42:00,098 INFO L231 Difference]: Finished difference. Result has 482 places, 488 transitions, 1056 flow [2022-11-21 16:42:00,099 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1040, PETRI_DIFFERENCE_MINUEND_PLACES=479, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=487, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=483, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1056, PETRI_PLACES=482, PETRI_TRANSITIONS=488} [2022-11-21 16:42:00,099 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -176 predicate places. [2022-11-21 16:42:00,099 INFO L495 AbstractCegarLoop]: Abstraction has has 482 places, 488 transitions, 1056 flow [2022-11-21 16:42:00,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:00,100 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:42:00,100 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:42:00,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-21 16:42:00,101 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-21 16:42:00,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:42:00,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1654970831, now seen corresponding path program 1 times [2022-11-21 16:42:00,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:42:00,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859557880] [2022-11-21 16:42:00,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:42:00,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:42:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:00,258 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 16:42:00,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:42:00,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859557880] [2022-11-21 16:42:00,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859557880] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:42:00,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:42:00,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:42:00,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616796819] [2022-11-21 16:42:00,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:42:00,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:42:00,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:42:00,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:42:00,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:42:00,263 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-21 16:42:00,264 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 482 places, 488 transitions, 1056 flow. Second operand has 3 states, 3 states have (on average 526.6666666666666) internal successors, (1580), 3 states have internal predecessors, (1580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:00,264 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:42:00,265 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-21 16:42:00,265 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:42:03,858 INFO L130 PetriNetUnfolder]: 3666/10954 cut-off events. [2022-11-21 16:42:03,858 INFO L131 PetriNetUnfolder]: For 5612/5730 co-relation queries the response was YES. [2022-11-21 16:42:03,933 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18160 conditions, 10954 events. 3666/10954 cut-off events. For 5612/5730 co-relation queries the response was YES. Maximal size of possible extension queue 300. Compared 100195 event pairs, 418 based on Foata normal form. 21/8879 useless extension candidates. Maximal degree in co-relation 18084. Up to 3192 conditions per place. [2022-11-21 16:42:04,012 INFO L137 encePairwiseOnDemand]: 702/707 looper letters, 47 selfloop transitions, 4 changer transitions 0/507 dead transitions. [2022-11-21 16:42:04,012 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 482 places, 507 transitions, 1248 flow [2022-11-21 16:42:04,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:42:04,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:42:04,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1617 transitions. [2022-11-21 16:42:04,016 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7623762376237624 [2022-11-21 16:42:04,016 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1617 transitions. [2022-11-21 16:42:04,016 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1617 transitions. [2022-11-21 16:42:04,017 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:42:04,017 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1617 transitions. [2022-11-21 16:42:04,019 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 539.0) internal successors, (1617), 3 states have internal predecessors, (1617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:04,022 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:04,023 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:04,023 INFO L175 Difference]: Start difference. First operand has 482 places, 488 transitions, 1056 flow. Second operand 3 states and 1617 transitions. [2022-11-21 16:42:04,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 482 places, 507 transitions, 1248 flow [2022-11-21 16:42:04,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 481 places, 507 transitions, 1241 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:42:04,038 INFO L231 Difference]: Finished difference. Result has 482 places, 487 transitions, 1064 flow [2022-11-21 16:42:04,039 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1048, PETRI_DIFFERENCE_MINUEND_PLACES=479, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=486, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=482, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1064, PETRI_PLACES=482, PETRI_TRANSITIONS=487} [2022-11-21 16:42:04,039 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -176 predicate places. [2022-11-21 16:42:04,039 INFO L495 AbstractCegarLoop]: Abstraction has has 482 places, 487 transitions, 1064 flow [2022-11-21 16:42:04,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.6666666666666) internal successors, (1580), 3 states have internal predecessors, (1580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:04,040 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:42:04,040 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:42:04,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-21 16:42:04,041 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting thread4Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-21 16:42:04,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:42:04,041 INFO L85 PathProgramCache]: Analyzing trace with hash -860791615, now seen corresponding path program 1 times [2022-11-21 16:42:04,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:42:04,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842965077] [2022-11-21 16:42:04,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:42:04,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:42:04,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:04,142 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 16:42:04,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:42:04,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842965077] [2022-11-21 16:42:04,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842965077] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:42:04,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:42:04,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:42:04,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938042832] [2022-11-21 16:42:04,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:42:04,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:42:04,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:42:04,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:42:04,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:42:04,146 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-21 16:42:04,148 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 482 places, 487 transitions, 1064 flow. Second operand has 3 states, 3 states have (on average 527.0) internal successors, (1581), 3 states have internal predecessors, (1581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:04,148 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:42:04,148 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-21 16:42:04,148 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:42:07,613 INFO L130 PetriNetUnfolder]: 3823/11961 cut-off events. [2022-11-21 16:42:07,613 INFO L131 PetriNetUnfolder]: For 8864/9120 co-relation queries the response was YES. [2022-11-21 16:42:07,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20850 conditions, 11961 events. 3823/11961 cut-off events. For 8864/9120 co-relation queries the response was YES. Maximal size of possible extension queue 472. Compared 120349 event pairs, 498 based on Foata normal form. 64/10013 useless extension candidates. Maximal degree in co-relation 20773. Up to 3888 conditions per place. [2022-11-21 16:42:07,780 INFO L137 encePairwiseOnDemand]: 702/707 looper letters, 46 selfloop transitions, 4 changer transitions 0/505 dead transitions. [2022-11-21 16:42:07,781 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 482 places, 505 transitions, 1257 flow [2022-11-21 16:42:07,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:42:07,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:42:07,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1616 transitions. [2022-11-21 16:42:07,785 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7619047619047619 [2022-11-21 16:42:07,785 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1616 transitions. [2022-11-21 16:42:07,785 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1616 transitions. [2022-11-21 16:42:07,786 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:42:07,786 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1616 transitions. [2022-11-21 16:42:07,788 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 538.6666666666666) internal successors, (1616), 3 states have internal predecessors, (1616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:07,791 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:07,791 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:07,792 INFO L175 Difference]: Start difference. First operand has 482 places, 487 transitions, 1064 flow. Second operand 3 states and 1616 transitions. [2022-11-21 16:42:07,792 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 482 places, 505 transitions, 1257 flow [2022-11-21 16:42:07,801 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 481 places, 505 transitions, 1250 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:42:07,806 INFO L231 Difference]: Finished difference. Result has 482 places, 486 transitions, 1072 flow [2022-11-21 16:42:07,807 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1056, PETRI_DIFFERENCE_MINUEND_PLACES=479, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=485, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=481, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1072, PETRI_PLACES=482, PETRI_TRANSITIONS=486} [2022-11-21 16:42:07,808 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -176 predicate places. [2022-11-21 16:42:07,808 INFO L495 AbstractCegarLoop]: Abstraction has has 482 places, 486 transitions, 1072 flow [2022-11-21 16:42:07,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 527.0) internal successors, (1581), 3 states have internal predecessors, (1581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:07,809 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:42:07,809 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:42:07,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-21 16:42:07,809 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-21 16:42:07,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:42:07,810 INFO L85 PathProgramCache]: Analyzing trace with hash 571040956, now seen corresponding path program 1 times [2022-11-21 16:42:07,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:42:07,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139083379] [2022-11-21 16:42:07,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:42:07,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:42:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:08,898 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 16:42:08,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:42:08,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139083379] [2022-11-21 16:42:08,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139083379] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:42:08,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:42:08,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:42:08,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490877392] [2022-11-21 16:42:08,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:42:08,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:42:08,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:42:08,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:42:08,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:42:08,905 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 477 out of 707 [2022-11-21 16:42:08,909 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 482 places, 486 transitions, 1072 flow. Second operand has 6 states, 6 states have (on average 479.1666666666667) internal successors, (2875), 6 states have internal predecessors, (2875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:08,909 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:42:08,909 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 477 of 707 [2022-11-21 16:42:08,909 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:42:14,228 INFO L130 PetriNetUnfolder]: 6431/10929 cut-off events. [2022-11-21 16:42:14,228 INFO L131 PetriNetUnfolder]: For 21192/21192 co-relation queries the response was YES. [2022-11-21 16:42:14,329 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29034 conditions, 10929 events. 6431/10929 cut-off events. For 21192/21192 co-relation queries the response was YES. Maximal size of possible extension queue 277. Compared 62771 event pairs, 858 based on Foata normal form. 0/10165 useless extension candidates. Maximal degree in co-relation 28954. Up to 7168 conditions per place. [2022-11-21 16:42:14,435 INFO L137 encePairwiseOnDemand]: 702/707 looper letters, 141 selfloop transitions, 4 changer transitions 0/557 dead transitions. [2022-11-21 16:42:14,435 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 486 places, 557 transitions, 1756 flow [2022-11-21 16:42:14,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:42:14,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 16:42:14,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2978 transitions. [2022-11-21 16:42:14,440 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.702027345591702 [2022-11-21 16:42:14,440 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2978 transitions. [2022-11-21 16:42:14,441 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2978 transitions. [2022-11-21 16:42:14,442 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:42:14,442 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2978 transitions. [2022-11-21 16:42:14,446 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 496.3333333333333) internal successors, (2978), 6 states have internal predecessors, (2978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:14,450 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 707.0) internal successors, (4949), 7 states have internal predecessors, (4949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:14,450 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 707.0) internal successors, (4949), 7 states have internal predecessors, (4949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:14,450 INFO L175 Difference]: Start difference. First operand has 482 places, 486 transitions, 1072 flow. Second operand 6 states and 2978 transitions. [2022-11-21 16:42:14,451 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 486 places, 557 transitions, 1756 flow [2022-11-21 16:42:14,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 485 places, 557 transitions, 1740 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:42:14,472 INFO L231 Difference]: Finished difference. Result has 485 places, 485 transitions, 1074 flow [2022-11-21 16:42:14,473 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1066, PETRI_DIFFERENCE_MINUEND_PLACES=480, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=485, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=481, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1074, PETRI_PLACES=485, PETRI_TRANSITIONS=485} [2022-11-21 16:42:14,473 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -173 predicate places. [2022-11-21 16:42:14,474 INFO L495 AbstractCegarLoop]: Abstraction has has 485 places, 485 transitions, 1074 flow [2022-11-21 16:42:14,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 479.1666666666667) internal successors, (2875), 6 states have internal predecessors, (2875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:14,474 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:42:14,475 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:42:14,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-11-21 16:42:14,475 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-21 16:42:14,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:42:14,476 INFO L85 PathProgramCache]: Analyzing trace with hash -802239077, now seen corresponding path program 1 times [2022-11-21 16:42:14,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:42:14,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896903036] [2022-11-21 16:42:14,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:42:14,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:42:14,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:15,284 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 16:42:15,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:42:15,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896903036] [2022-11-21 16:42:15,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896903036] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:42:15,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:42:15,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:42:15,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124673503] [2022-11-21 16:42:15,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:42:15,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:42:15,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:42:15,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:42:15,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:42:15,295 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 477 out of 707 [2022-11-21 16:42:15,297 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 485 places, 485 transitions, 1074 flow. Second operand has 6 states, 6 states have (on average 480.1666666666667) internal successors, (2881), 6 states have internal predecessors, (2881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:15,297 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:42:15,297 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 477 of 707 [2022-11-21 16:42:15,298 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:42:19,857 INFO L130 PetriNetUnfolder]: 6235/10374 cut-off events. [2022-11-21 16:42:19,857 INFO L131 PetriNetUnfolder]: For 12448/12448 co-relation queries the response was YES. [2022-11-21 16:42:20,017 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28015 conditions, 10374 events. 6235/10374 cut-off events. For 12448/12448 co-relation queries the response was YES. Maximal size of possible extension queue 276. Compared 58438 event pairs, 291 based on Foata normal form. 0/9648 useless extension candidates. Maximal degree in co-relation 27934. Up to 5632 conditions per place. [2022-11-21 16:42:20,160 INFO L137 encePairwiseOnDemand]: 702/707 looper letters, 104 selfloop transitions, 4 changer transitions 0/520 dead transitions. [2022-11-21 16:42:20,160 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 489 places, 520 transitions, 1480 flow [2022-11-21 16:42:20,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:42:20,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 16:42:20,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2953 transitions. [2022-11-21 16:42:20,166 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6961338991041961 [2022-11-21 16:42:20,166 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2953 transitions. [2022-11-21 16:42:20,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2953 transitions. [2022-11-21 16:42:20,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:42:20,167 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2953 transitions. [2022-11-21 16:42:20,171 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 492.1666666666667) internal successors, (2953), 6 states have internal predecessors, (2953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:20,176 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 707.0) internal successors, (4949), 7 states have internal predecessors, (4949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:20,177 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 707.0) internal successors, (4949), 7 states have internal predecessors, (4949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:20,178 INFO L175 Difference]: Start difference. First operand has 485 places, 485 transitions, 1074 flow. Second operand 6 states and 2953 transitions. [2022-11-21 16:42:20,178 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 489 places, 520 transitions, 1480 flow [2022-11-21 16:42:20,191 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 485 places, 520 transitions, 1473 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 16:42:20,198 INFO L231 Difference]: Finished difference. Result has 485 places, 484 transitions, 1073 flow [2022-11-21 16:42:20,199 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1065, PETRI_DIFFERENCE_MINUEND_PLACES=480, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=484, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=480, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1073, PETRI_PLACES=485, PETRI_TRANSITIONS=484} [2022-11-21 16:42:20,199 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -173 predicate places. [2022-11-21 16:42:20,200 INFO L495 AbstractCegarLoop]: Abstraction has has 485 places, 484 transitions, 1073 flow [2022-11-21 16:42:20,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 480.1666666666667) internal successors, (2881), 6 states have internal predecessors, (2881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:20,200 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:42:20,201 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:42:20,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-11-21 16:42:20,201 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-21 16:42:20,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:42:20,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1186809364, now seen corresponding path program 1 times [2022-11-21 16:42:20,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:42:20,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871446918] [2022-11-21 16:42:20,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:42:20,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:42:20,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:21,154 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 16:42:21,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:42:21,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871446918] [2022-11-21 16:42:21,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871446918] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:42:21,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:42:21,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:42:21,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757607648] [2022-11-21 16:42:21,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:42:21,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:42:21,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:42:21,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:42:21,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:42:21,160 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 477 out of 707 [2022-11-21 16:42:21,162 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 485 places, 484 transitions, 1073 flow. Second operand has 6 states, 6 states have (on average 481.1666666666667) internal successors, (2887), 6 states have internal predecessors, (2887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:21,162 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:42:21,162 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 477 of 707 [2022-11-21 16:42:21,162 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:42:25,925 INFO L130 PetriNetUnfolder]: 6063/10139 cut-off events. [2022-11-21 16:42:25,926 INFO L131 PetriNetUnfolder]: For 12120/12120 co-relation queries the response was YES. [2022-11-21 16:42:26,016 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27400 conditions, 10139 events. 6063/10139 cut-off events. For 12120/12120 co-relation queries the response was YES. Maximal size of possible extension queue 272. Compared 57198 event pairs, 614 based on Foata normal form. 0/9475 useless extension candidates. Maximal degree in co-relation 27319. Up to 3584 conditions per place. [2022-11-21 16:42:26,092 INFO L137 encePairwiseOnDemand]: 702/707 looper letters, 91 selfloop transitions, 4 changer transitions 0/507 dead transitions. [2022-11-21 16:42:26,092 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 489 places, 507 transitions, 1389 flow [2022-11-21 16:42:26,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:42:26,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 16:42:26,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2944 transitions. [2022-11-21 16:42:26,097 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.694012258368694 [2022-11-21 16:42:26,097 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2944 transitions. [2022-11-21 16:42:26,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2944 transitions. [2022-11-21 16:42:26,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:42:26,098 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2944 transitions. [2022-11-21 16:42:26,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 490.6666666666667) internal successors, (2944), 6 states have internal predecessors, (2944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:26,106 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 707.0) internal successors, (4949), 7 states have internal predecessors, (4949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:26,107 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 707.0) internal successors, (4949), 7 states have internal predecessors, (4949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:26,107 INFO L175 Difference]: Start difference. First operand has 485 places, 484 transitions, 1073 flow. Second operand 6 states and 2944 transitions. [2022-11-21 16:42:26,107 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 489 places, 507 transitions, 1389 flow [2022-11-21 16:42:26,119 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 485 places, 507 transitions, 1382 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 16:42:26,124 INFO L231 Difference]: Finished difference. Result has 485 places, 483 transitions, 1072 flow [2022-11-21 16:42:26,125 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1064, PETRI_DIFFERENCE_MINUEND_PLACES=480, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=483, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=479, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1072, PETRI_PLACES=485, PETRI_TRANSITIONS=483} [2022-11-21 16:42:26,126 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -173 predicate places. [2022-11-21 16:42:26,126 INFO L495 AbstractCegarLoop]: Abstraction has has 485 places, 483 transitions, 1072 flow [2022-11-21 16:42:26,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 481.1666666666667) internal successors, (2887), 6 states have internal predecessors, (2887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:26,126 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:42:26,127 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:42:26,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-11-21 16:42:26,127 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-21 16:42:26,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:42:26,128 INFO L85 PathProgramCache]: Analyzing trace with hash 2036558796, now seen corresponding path program 1 times [2022-11-21 16:42:26,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:42:26,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305681127] [2022-11-21 16:42:26,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:42:26,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:42:26,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:27,019 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 16:42:27,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:42:27,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305681127] [2022-11-21 16:42:27,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305681127] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:42:27,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:42:27,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:42:27,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596875903] [2022-11-21 16:42:27,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:42:27,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:42:27,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:42:27,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:42:27,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:42:27,024 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 477 out of 707 [2022-11-21 16:42:27,026 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 485 places, 483 transitions, 1072 flow. Second operand has 6 states, 6 states have (on average 482.1666666666667) internal successors, (2893), 6 states have internal predecessors, (2893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:27,026 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:42:27,027 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 477 of 707 [2022-11-21 16:42:27,027 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:42:31,007 INFO L130 PetriNetUnfolder]: 5855/9805 cut-off events. [2022-11-21 16:42:31,007 INFO L131 PetriNetUnfolder]: For 11736/11736 co-relation queries the response was YES. [2022-11-21 16:42:31,106 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26646 conditions, 9805 events. 5855/9805 cut-off events. For 11736/11736 co-relation queries the response was YES. Maximal size of possible extension queue 259. Compared 55023 event pairs, 1006 based on Foata normal form. 0/9271 useless extension candidates. Maximal degree in co-relation 26565. Up to 5514 conditions per place. [2022-11-21 16:42:31,186 INFO L137 encePairwiseOnDemand]: 702/707 looper letters, 78 selfloop transitions, 4 changer transitions 0/494 dead transitions. [2022-11-21 16:42:31,186 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 489 places, 494 transitions, 1298 flow [2022-11-21 16:42:31,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:42:31,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 16:42:31,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2935 transitions. [2022-11-21 16:42:31,190 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6918906176331919 [2022-11-21 16:42:31,190 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2935 transitions. [2022-11-21 16:42:31,191 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2935 transitions. [2022-11-21 16:42:31,192 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:42:31,192 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2935 transitions. [2022-11-21 16:42:31,196 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 489.1666666666667) internal successors, (2935), 6 states have internal predecessors, (2935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:31,200 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 707.0) internal successors, (4949), 7 states have internal predecessors, (4949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:31,201 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 707.0) internal successors, (4949), 7 states have internal predecessors, (4949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:31,202 INFO L175 Difference]: Start difference. First operand has 485 places, 483 transitions, 1072 flow. Second operand 6 states and 2935 transitions. [2022-11-21 16:42:31,202 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 489 places, 494 transitions, 1298 flow [2022-11-21 16:42:31,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 485 places, 494 transitions, 1291 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 16:42:31,222 INFO L231 Difference]: Finished difference. Result has 485 places, 482 transitions, 1071 flow [2022-11-21 16:42:31,223 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1063, PETRI_DIFFERENCE_MINUEND_PLACES=480, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=482, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=478, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1071, PETRI_PLACES=485, PETRI_TRANSITIONS=482} [2022-11-21 16:42:31,223 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -173 predicate places. [2022-11-21 16:42:31,223 INFO L495 AbstractCegarLoop]: Abstraction has has 485 places, 482 transitions, 1071 flow [2022-11-21 16:42:31,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 482.1666666666667) internal successors, (2893), 6 states have internal predecessors, (2893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:31,224 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:42:31,225 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:42:31,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-11-21 16:42:31,225 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-21 16:42:31,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:42:31,226 INFO L85 PathProgramCache]: Analyzing trace with hash 744276831, now seen corresponding path program 1 times [2022-11-21 16:42:31,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:42:31,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464160873] [2022-11-21 16:42:31,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:42:31,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:42:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:31,359 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 16:42:31,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:42:31,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464160873] [2022-11-21 16:42:31,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464160873] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:42:31,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:42:31,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:42:31,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243085715] [2022-11-21 16:42:31,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:42:31,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:42:31,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:42:31,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:42:31,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:42:31,364 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-21 16:42:31,376 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 485 places, 482 transitions, 1071 flow. Second operand has 3 states, 3 states have (on average 529.0) internal successors, (1587), 3 states have internal predecessors, (1587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:31,377 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:42:31,377 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-21 16:42:31,377 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:42:32,899 INFO L130 PetriNetUnfolder]: 1151/6257 cut-off events. [2022-11-21 16:42:32,899 INFO L131 PetriNetUnfolder]: For 2520/2520 co-relation queries the response was YES. [2022-11-21 16:42:32,958 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10190 conditions, 6257 events. 1151/6257 cut-off events. For 2520/2520 co-relation queries the response was YES. Maximal size of possible extension queue 178. Compared 59485 event pairs, 210 based on Foata normal form. 256/5717 useless extension candidates. Maximal degree in co-relation 10109. Up to 1518 conditions per place. [2022-11-21 16:42:32,962 INFO L137 encePairwiseOnDemand]: 705/707 looper letters, 0 selfloop transitions, 0 changer transitions 481/481 dead transitions. [2022-11-21 16:42:32,962 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 486 places, 481 transitions, 1127 flow [2022-11-21 16:42:32,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:42:32,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:42:32,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1599 transitions. [2022-11-21 16:42:32,964 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7538896746817539 [2022-11-21 16:42:32,964 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1599 transitions. [2022-11-21 16:42:32,964 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1599 transitions. [2022-11-21 16:42:32,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:42:32,964 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1599 transitions. [2022-11-21 16:42:32,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.0) internal successors, (1599), 3 states have internal predecessors, (1599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:32,968 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:32,968 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:32,968 INFO L175 Difference]: Start difference. First operand has 485 places, 482 transitions, 1071 flow. Second operand 3 states and 1599 transitions. [2022-11-21 16:42:32,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 486 places, 481 transitions, 1127 flow [2022-11-21 16:42:32,977 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 482 places, 481 transitions, 1120 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 16:42:32,979 INFO L231 Difference]: Finished difference. Result has 482 places, 0 transitions, 0 flow [2022-11-21 16:42:32,980 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1062, PETRI_DIFFERENCE_MINUEND_PLACES=480, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=481, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=481, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=482, PETRI_TRANSITIONS=0} [2022-11-21 16:42:32,980 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -176 predicate places. [2022-11-21 16:42:32,980 INFO L495 AbstractCegarLoop]: Abstraction has has 482 places, 0 transitions, 0 flow [2022-11-21 16:42:32,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 529.0) internal successors, (1587), 3 states have internal predecessors, (1587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:32,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (339 of 340 remaining) [2022-11-21 16:42:32,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (338 of 340 remaining) [2022-11-21 16:42:32,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (337 of 340 remaining) [2022-11-21 16:42:32,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (336 of 340 remaining) [2022-11-21 16:42:32,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (335 of 340 remaining) [2022-11-21 16:42:32,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (334 of 340 remaining) [2022-11-21 16:42:32,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (333 of 340 remaining) [2022-11-21 16:42:32,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (332 of 340 remaining) [2022-11-21 16:42:32,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (331 of 340 remaining) [2022-11-21 16:42:32,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (330 of 340 remaining) [2022-11-21 16:42:32,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (329 of 340 remaining) [2022-11-21 16:42:32,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (328 of 340 remaining) [2022-11-21 16:42:32,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (327 of 340 remaining) [2022-11-21 16:42:32,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (326 of 340 remaining) [2022-11-21 16:42:32,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (325 of 340 remaining) [2022-11-21 16:42:32,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (324 of 340 remaining) [2022-11-21 16:42:32,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (323 of 340 remaining) [2022-11-21 16:42:32,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (322 of 340 remaining) [2022-11-21 16:42:32,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (321 of 340 remaining) [2022-11-21 16:42:32,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (320 of 340 remaining) [2022-11-21 16:42:32,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (319 of 340 remaining) [2022-11-21 16:42:32,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (318 of 340 remaining) [2022-11-21 16:42:32,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (317 of 340 remaining) [2022-11-21 16:42:32,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (316 of 340 remaining) [2022-11-21 16:42:32,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (315 of 340 remaining) [2022-11-21 16:42:32,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err25ASSERT_VIOLATIONDATA_RACE (314 of 340 remaining) [2022-11-21 16:42:32,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err26ASSERT_VIOLATIONDATA_RACE (313 of 340 remaining) [2022-11-21 16:42:32,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err27ASSERT_VIOLATIONDATA_RACE (312 of 340 remaining) [2022-11-21 16:42:32,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err28ASSERT_VIOLATIONDATA_RACE (311 of 340 remaining) [2022-11-21 16:42:32,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err29ASSERT_VIOLATIONDATA_RACE (310 of 340 remaining) [2022-11-21 16:42:32,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err30ASSERT_VIOLATIONDATA_RACE (309 of 340 remaining) [2022-11-21 16:42:32,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err31ASSERT_VIOLATIONDATA_RACE (308 of 340 remaining) [2022-11-21 16:42:32,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err32ASSERT_VIOLATIONDATA_RACE (307 of 340 remaining) [2022-11-21 16:42:32,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err33ASSERT_VIOLATIONDATA_RACE (306 of 340 remaining) [2022-11-21 16:42:32,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err34ASSERT_VIOLATIONDATA_RACE (305 of 340 remaining) [2022-11-21 16:42:32,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err35ASSERT_VIOLATIONDATA_RACE (304 of 340 remaining) [2022-11-21 16:42:32,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err36ASSERT_VIOLATIONDATA_RACE (303 of 340 remaining) [2022-11-21 16:42:32,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err37ASSERT_VIOLATIONDATA_RACE (302 of 340 remaining) [2022-11-21 16:42:32,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err38ASSERT_VIOLATIONDATA_RACE (301 of 340 remaining) [2022-11-21 16:42:33,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err39ASSERT_VIOLATIONDATA_RACE (300 of 340 remaining) [2022-11-21 16:42:33,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err40ASSERT_VIOLATIONDATA_RACE (299 of 340 remaining) [2022-11-21 16:42:33,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err41ASSERT_VIOLATIONDATA_RACE (298 of 340 remaining) [2022-11-21 16:42:33,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err42ASSERT_VIOLATIONDATA_RACE (297 of 340 remaining) [2022-11-21 16:42:33,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err43ASSERT_VIOLATIONDATA_RACE (296 of 340 remaining) [2022-11-21 16:42:33,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err44ASSERT_VIOLATIONDATA_RACE (295 of 340 remaining) [2022-11-21 16:42:33,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err45ASSERT_VIOLATIONDATA_RACE (294 of 340 remaining) [2022-11-21 16:42:33,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err46ASSERT_VIOLATIONDATA_RACE (293 of 340 remaining) [2022-11-21 16:42:33,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err47ASSERT_VIOLATIONDATA_RACE (292 of 340 remaining) [2022-11-21 16:42:33,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err48ASSERT_VIOLATIONDATA_RACE (291 of 340 remaining) [2022-11-21 16:42:33,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err49ASSERT_VIOLATIONDATA_RACE (290 of 340 remaining) [2022-11-21 16:42:33,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err50ASSERT_VIOLATIONDATA_RACE (289 of 340 remaining) [2022-11-21 16:42:33,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err51ASSERT_VIOLATIONDATA_RACE (288 of 340 remaining) [2022-11-21 16:42:33,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err52ASSERT_VIOLATIONDATA_RACE (287 of 340 remaining) [2022-11-21 16:42:33,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err53ASSERT_VIOLATIONDATA_RACE (286 of 340 remaining) [2022-11-21 16:42:33,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err54ASSERT_VIOLATIONDATA_RACE (285 of 340 remaining) [2022-11-21 16:42:33,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err55ASSERT_VIOLATIONDATA_RACE (284 of 340 remaining) [2022-11-21 16:42:33,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err56ASSERT_VIOLATIONDATA_RACE (283 of 340 remaining) [2022-11-21 16:42:33,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err57ASSERT_VIOLATIONDATA_RACE (282 of 340 remaining) [2022-11-21 16:42:33,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err58ASSERT_VIOLATIONDATA_RACE (281 of 340 remaining) [2022-11-21 16:42:33,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err59ASSERT_VIOLATIONDATA_RACE (280 of 340 remaining) [2022-11-21 16:42:33,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err60ASSERT_VIOLATIONDATA_RACE (279 of 340 remaining) [2022-11-21 16:42:33,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err61ASSERT_VIOLATIONDATA_RACE (278 of 340 remaining) [2022-11-21 16:42:33,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err62ASSERT_VIOLATIONDATA_RACE (277 of 340 remaining) [2022-11-21 16:42:33,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err63ASSERT_VIOLATIONDATA_RACE (276 of 340 remaining) [2022-11-21 16:42:33,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err64ASSERT_VIOLATIONDATA_RACE (275 of 340 remaining) [2022-11-21 16:42:33,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err65ASSERT_VIOLATIONDATA_RACE (274 of 340 remaining) [2022-11-21 16:42:33,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err66ASSERT_VIOLATIONDATA_RACE (273 of 340 remaining) [2022-11-21 16:42:33,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err67ASSERT_VIOLATIONDATA_RACE (272 of 340 remaining) [2022-11-21 16:42:33,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err68ASSERT_VIOLATIONDATA_RACE (271 of 340 remaining) [2022-11-21 16:42:33,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err69ASSERT_VIOLATIONDATA_RACE (270 of 340 remaining) [2022-11-21 16:42:33,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err70ASSERT_VIOLATIONDATA_RACE (269 of 340 remaining) [2022-11-21 16:42:33,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err71ASSERT_VIOLATIONDATA_RACE (268 of 340 remaining) [2022-11-21 16:42:33,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err72ASSERT_VIOLATIONDATA_RACE (267 of 340 remaining) [2022-11-21 16:42:33,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err73ASSERT_VIOLATIONDATA_RACE (266 of 340 remaining) [2022-11-21 16:42:33,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err74ASSERT_VIOLATIONDATA_RACE (265 of 340 remaining) [2022-11-21 16:42:33,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (264 of 340 remaining) [2022-11-21 16:42:33,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (263 of 340 remaining) [2022-11-21 16:42:33,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (262 of 340 remaining) [2022-11-21 16:42:33,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (261 of 340 remaining) [2022-11-21 16:42:33,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (260 of 340 remaining) [2022-11-21 16:42:33,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (259 of 340 remaining) [2022-11-21 16:42:33,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (258 of 340 remaining) [2022-11-21 16:42:33,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (257 of 340 remaining) [2022-11-21 16:42:33,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (256 of 340 remaining) [2022-11-21 16:42:33,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (255 of 340 remaining) [2022-11-21 16:42:33,011 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (254 of 340 remaining) [2022-11-21 16:42:33,011 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (253 of 340 remaining) [2022-11-21 16:42:33,011 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (252 of 340 remaining) [2022-11-21 16:42:33,011 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (251 of 340 remaining) [2022-11-21 16:42:33,011 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (250 of 340 remaining) [2022-11-21 16:42:33,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (249 of 340 remaining) [2022-11-21 16:42:33,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (248 of 340 remaining) [2022-11-21 16:42:33,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (247 of 340 remaining) [2022-11-21 16:42:33,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (246 of 340 remaining) [2022-11-21 16:42:33,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (245 of 340 remaining) [2022-11-21 16:42:33,013 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (244 of 340 remaining) [2022-11-21 16:42:33,013 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (243 of 340 remaining) [2022-11-21 16:42:33,013 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (242 of 340 remaining) [2022-11-21 16:42:33,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (241 of 340 remaining) [2022-11-21 16:42:33,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (240 of 340 remaining) [2022-11-21 16:42:33,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (239 of 340 remaining) [2022-11-21 16:42:33,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (238 of 340 remaining) [2022-11-21 16:42:33,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (237 of 340 remaining) [2022-11-21 16:42:33,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (236 of 340 remaining) [2022-11-21 16:42:33,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (235 of 340 remaining) [2022-11-21 16:42:33,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (234 of 340 remaining) [2022-11-21 16:42:33,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (233 of 340 remaining) [2022-11-21 16:42:33,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (232 of 340 remaining) [2022-11-21 16:42:33,016 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (231 of 340 remaining) [2022-11-21 16:42:33,016 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (230 of 340 remaining) [2022-11-21 16:42:33,016 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (229 of 340 remaining) [2022-11-21 16:42:33,016 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (228 of 340 remaining) [2022-11-21 16:42:33,016 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (227 of 340 remaining) [2022-11-21 16:42:33,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (226 of 340 remaining) [2022-11-21 16:42:33,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (225 of 340 remaining) [2022-11-21 16:42:33,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (224 of 340 remaining) [2022-11-21 16:42:33,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (223 of 340 remaining) [2022-11-21 16:42:33,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (222 of 340 remaining) [2022-11-21 16:42:33,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (221 of 340 remaining) [2022-11-21 16:42:33,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (220 of 340 remaining) [2022-11-21 16:42:33,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (219 of 340 remaining) [2022-11-21 16:42:33,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (218 of 340 remaining) [2022-11-21 16:42:33,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONDATA_RACE (217 of 340 remaining) [2022-11-21 16:42:33,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err23ASSERT_VIOLATIONDATA_RACE (216 of 340 remaining) [2022-11-21 16:42:33,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err24ASSERT_VIOLATIONDATA_RACE (215 of 340 remaining) [2022-11-21 16:42:33,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (214 of 340 remaining) [2022-11-21 16:42:33,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (213 of 340 remaining) [2022-11-21 16:42:33,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (212 of 340 remaining) [2022-11-21 16:42:33,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (211 of 340 remaining) [2022-11-21 16:42:33,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (210 of 340 remaining) [2022-11-21 16:42:33,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (209 of 340 remaining) [2022-11-21 16:42:33,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (208 of 340 remaining) [2022-11-21 16:42:33,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (207 of 340 remaining) [2022-11-21 16:42:33,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (206 of 340 remaining) [2022-11-21 16:42:33,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (205 of 340 remaining) [2022-11-21 16:42:33,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (204 of 340 remaining) [2022-11-21 16:42:33,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (203 of 340 remaining) [2022-11-21 16:42:33,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (202 of 340 remaining) [2022-11-21 16:42:33,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (201 of 340 remaining) [2022-11-21 16:42:33,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (200 of 340 remaining) [2022-11-21 16:42:33,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (199 of 340 remaining) [2022-11-21 16:42:33,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (198 of 340 remaining) [2022-11-21 16:42:33,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (197 of 340 remaining) [2022-11-21 16:42:33,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (196 of 340 remaining) [2022-11-21 16:42:33,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (195 of 340 remaining) [2022-11-21 16:42:33,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (194 of 340 remaining) [2022-11-21 16:42:33,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (193 of 340 remaining) [2022-11-21 16:42:33,024 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (192 of 340 remaining) [2022-11-21 16:42:33,024 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (191 of 340 remaining) [2022-11-21 16:42:33,024 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (190 of 340 remaining) [2022-11-21 16:42:33,024 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (189 of 340 remaining) [2022-11-21 16:42:33,024 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (188 of 340 remaining) [2022-11-21 16:42:33,024 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (187 of 340 remaining) [2022-11-21 16:42:33,025 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (186 of 340 remaining) [2022-11-21 16:42:33,025 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE (185 of 340 remaining) [2022-11-21 16:42:33,025 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE (184 of 340 remaining) [2022-11-21 16:42:33,025 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE (183 of 340 remaining) [2022-11-21 16:42:33,026 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE (182 of 340 remaining) [2022-11-21 16:42:33,026 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE (181 of 340 remaining) [2022-11-21 16:42:33,026 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE (180 of 340 remaining) [2022-11-21 16:42:33,026 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (179 of 340 remaining) [2022-11-21 16:42:33,026 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (178 of 340 remaining) [2022-11-21 16:42:33,026 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (177 of 340 remaining) [2022-11-21 16:42:33,026 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (176 of 340 remaining) [2022-11-21 16:42:33,027 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (175 of 340 remaining) [2022-11-21 16:42:33,027 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (174 of 340 remaining) [2022-11-21 16:42:33,027 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (173 of 340 remaining) [2022-11-21 16:42:33,027 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (172 of 340 remaining) [2022-11-21 16:42:33,027 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (171 of 340 remaining) [2022-11-21 16:42:33,028 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (170 of 340 remaining) [2022-11-21 16:42:33,028 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (169 of 340 remaining) [2022-11-21 16:42:33,028 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (168 of 340 remaining) [2022-11-21 16:42:33,028 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (167 of 340 remaining) [2022-11-21 16:42:33,028 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (166 of 340 remaining) [2022-11-21 16:42:33,029 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (165 of 340 remaining) [2022-11-21 16:42:33,029 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (164 of 340 remaining) [2022-11-21 16:42:33,029 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (163 of 340 remaining) [2022-11-21 16:42:33,029 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (162 of 340 remaining) [2022-11-21 16:42:33,029 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (161 of 340 remaining) [2022-11-21 16:42:33,030 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (160 of 340 remaining) [2022-11-21 16:42:33,030 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err15ASSERT_VIOLATIONDATA_RACE (159 of 340 remaining) [2022-11-21 16:42:33,030 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err16ASSERT_VIOLATIONDATA_RACE (158 of 340 remaining) [2022-11-21 16:42:33,030 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err17ASSERT_VIOLATIONDATA_RACE (157 of 340 remaining) [2022-11-21 16:42:33,030 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err18ASSERT_VIOLATIONDATA_RACE (156 of 340 remaining) [2022-11-21 16:42:33,031 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err19ASSERT_VIOLATIONDATA_RACE (155 of 340 remaining) [2022-11-21 16:42:33,031 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err20ASSERT_VIOLATIONDATA_RACE (154 of 340 remaining) [2022-11-21 16:42:33,031 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err21ASSERT_VIOLATIONDATA_RACE (153 of 340 remaining) [2022-11-21 16:42:33,031 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err22ASSERT_VIOLATIONDATA_RACE (152 of 340 remaining) [2022-11-21 16:42:33,031 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err23ASSERT_VIOLATIONDATA_RACE (151 of 340 remaining) [2022-11-21 16:42:33,032 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err24ASSERT_VIOLATIONDATA_RACE (150 of 340 remaining) [2022-11-21 16:42:33,032 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (149 of 340 remaining) [2022-11-21 16:42:33,032 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (148 of 340 remaining) [2022-11-21 16:42:33,032 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (147 of 340 remaining) [2022-11-21 16:42:33,032 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (146 of 340 remaining) [2022-11-21 16:42:33,033 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (145 of 340 remaining) [2022-11-21 16:42:33,033 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (144 of 340 remaining) [2022-11-21 16:42:33,033 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (143 of 340 remaining) [2022-11-21 16:42:33,033 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (142 of 340 remaining) [2022-11-21 16:42:33,033 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (141 of 340 remaining) [2022-11-21 16:42:33,034 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (140 of 340 remaining) [2022-11-21 16:42:33,034 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (139 of 340 remaining) [2022-11-21 16:42:33,034 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (138 of 340 remaining) [2022-11-21 16:42:33,034 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (137 of 340 remaining) [2022-11-21 16:42:33,034 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (136 of 340 remaining) [2022-11-21 16:42:33,035 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (135 of 340 remaining) [2022-11-21 16:42:33,035 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (134 of 340 remaining) [2022-11-21 16:42:33,035 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (133 of 340 remaining) [2022-11-21 16:42:33,035 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (132 of 340 remaining) [2022-11-21 16:42:33,035 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (131 of 340 remaining) [2022-11-21 16:42:33,036 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (130 of 340 remaining) [2022-11-21 16:42:33,036 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (129 of 340 remaining) [2022-11-21 16:42:33,036 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (128 of 340 remaining) [2022-11-21 16:42:33,036 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (127 of 340 remaining) [2022-11-21 16:42:33,036 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (126 of 340 remaining) [2022-11-21 16:42:33,037 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (125 of 340 remaining) [2022-11-21 16:42:33,037 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err25ASSERT_VIOLATIONDATA_RACE (124 of 340 remaining) [2022-11-21 16:42:33,037 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err26ASSERT_VIOLATIONDATA_RACE (123 of 340 remaining) [2022-11-21 16:42:33,037 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err27ASSERT_VIOLATIONDATA_RACE (122 of 340 remaining) [2022-11-21 16:42:33,037 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err28ASSERT_VIOLATIONDATA_RACE (121 of 340 remaining) [2022-11-21 16:42:33,038 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err29ASSERT_VIOLATIONDATA_RACE (120 of 340 remaining) [2022-11-21 16:42:33,038 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err30ASSERT_VIOLATIONDATA_RACE (119 of 340 remaining) [2022-11-21 16:42:33,038 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err31ASSERT_VIOLATIONDATA_RACE (118 of 340 remaining) [2022-11-21 16:42:33,038 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err32ASSERT_VIOLATIONDATA_RACE (117 of 340 remaining) [2022-11-21 16:42:33,038 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err33ASSERT_VIOLATIONDATA_RACE (116 of 340 remaining) [2022-11-21 16:42:33,039 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err34ASSERT_VIOLATIONDATA_RACE (115 of 340 remaining) [2022-11-21 16:42:33,039 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err35ASSERT_VIOLATIONDATA_RACE (114 of 340 remaining) [2022-11-21 16:42:33,039 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err36ASSERT_VIOLATIONDATA_RACE (113 of 340 remaining) [2022-11-21 16:42:33,039 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err37ASSERT_VIOLATIONDATA_RACE (112 of 340 remaining) [2022-11-21 16:42:33,039 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err38ASSERT_VIOLATIONDATA_RACE (111 of 340 remaining) [2022-11-21 16:42:33,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err39ASSERT_VIOLATIONDATA_RACE (110 of 340 remaining) [2022-11-21 16:42:33,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err40ASSERT_VIOLATIONDATA_RACE (109 of 340 remaining) [2022-11-21 16:42:33,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err41ASSERT_VIOLATIONDATA_RACE (108 of 340 remaining) [2022-11-21 16:42:33,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err42ASSERT_VIOLATIONDATA_RACE (107 of 340 remaining) [2022-11-21 16:42:33,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err43ASSERT_VIOLATIONDATA_RACE (106 of 340 remaining) [2022-11-21 16:42:33,041 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err44ASSERT_VIOLATIONDATA_RACE (105 of 340 remaining) [2022-11-21 16:42:33,041 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err45ASSERT_VIOLATIONDATA_RACE (104 of 340 remaining) [2022-11-21 16:42:33,041 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err46ASSERT_VIOLATIONDATA_RACE (103 of 340 remaining) [2022-11-21 16:42:33,041 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err47ASSERT_VIOLATIONDATA_RACE (102 of 340 remaining) [2022-11-21 16:42:33,041 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err48ASSERT_VIOLATIONDATA_RACE (101 of 340 remaining) [2022-11-21 16:42:33,042 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err49ASSERT_VIOLATIONDATA_RACE (100 of 340 remaining) [2022-11-21 16:42:33,042 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err50ASSERT_VIOLATIONDATA_RACE (99 of 340 remaining) [2022-11-21 16:42:33,042 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err51ASSERT_VIOLATIONDATA_RACE (98 of 340 remaining) [2022-11-21 16:42:33,042 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err52ASSERT_VIOLATIONDATA_RACE (97 of 340 remaining) [2022-11-21 16:42:33,042 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err53ASSERT_VIOLATIONDATA_RACE (96 of 340 remaining) [2022-11-21 16:42:33,043 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err54ASSERT_VIOLATIONDATA_RACE (95 of 340 remaining) [2022-11-21 16:42:33,043 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err55ASSERT_VIOLATIONDATA_RACE (94 of 340 remaining) [2022-11-21 16:42:33,043 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err56ASSERT_VIOLATIONDATA_RACE (93 of 340 remaining) [2022-11-21 16:42:33,043 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err57ASSERT_VIOLATIONDATA_RACE (92 of 340 remaining) [2022-11-21 16:42:33,043 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err58ASSERT_VIOLATIONDATA_RACE (91 of 340 remaining) [2022-11-21 16:42:33,044 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err59ASSERT_VIOLATIONDATA_RACE (90 of 340 remaining) [2022-11-21 16:42:33,044 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err60ASSERT_VIOLATIONDATA_RACE (89 of 340 remaining) [2022-11-21 16:42:33,044 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err61ASSERT_VIOLATIONDATA_RACE (88 of 340 remaining) [2022-11-21 16:42:33,044 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err62ASSERT_VIOLATIONDATA_RACE (87 of 340 remaining) [2022-11-21 16:42:33,044 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err63ASSERT_VIOLATIONDATA_RACE (86 of 340 remaining) [2022-11-21 16:42:33,045 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err64ASSERT_VIOLATIONDATA_RACE (85 of 340 remaining) [2022-11-21 16:42:33,045 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err65ASSERT_VIOLATIONDATA_RACE (84 of 340 remaining) [2022-11-21 16:42:33,045 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err66ASSERT_VIOLATIONDATA_RACE (83 of 340 remaining) [2022-11-21 16:42:33,045 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err67ASSERT_VIOLATIONDATA_RACE (82 of 340 remaining) [2022-11-21 16:42:33,045 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err68ASSERT_VIOLATIONDATA_RACE (81 of 340 remaining) [2022-11-21 16:42:33,046 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err69ASSERT_VIOLATIONDATA_RACE (80 of 340 remaining) [2022-11-21 16:42:33,046 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err70ASSERT_VIOLATIONDATA_RACE (79 of 340 remaining) [2022-11-21 16:42:33,046 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err71ASSERT_VIOLATIONDATA_RACE (78 of 340 remaining) [2022-11-21 16:42:33,046 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err72ASSERT_VIOLATIONDATA_RACE (77 of 340 remaining) [2022-11-21 16:42:33,046 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err73ASSERT_VIOLATIONDATA_RACE (76 of 340 remaining) [2022-11-21 16:42:33,047 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err74ASSERT_VIOLATIONDATA_RACE (75 of 340 remaining) [2022-11-21 16:42:33,047 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (74 of 340 remaining) [2022-11-21 16:42:33,047 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (73 of 340 remaining) [2022-11-21 16:42:33,047 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (72 of 340 remaining) [2022-11-21 16:42:33,047 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (71 of 340 remaining) [2022-11-21 16:42:33,048 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (70 of 340 remaining) [2022-11-21 16:42:33,048 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (69 of 340 remaining) [2022-11-21 16:42:33,048 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (68 of 340 remaining) [2022-11-21 16:42:33,048 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (67 of 340 remaining) [2022-11-21 16:42:33,048 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (66 of 340 remaining) [2022-11-21 16:42:33,049 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (65 of 340 remaining) [2022-11-21 16:42:33,049 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (64 of 340 remaining) [2022-11-21 16:42:33,049 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (63 of 340 remaining) [2022-11-21 16:42:33,049 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (62 of 340 remaining) [2022-11-21 16:42:33,049 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (61 of 340 remaining) [2022-11-21 16:42:33,049 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (60 of 340 remaining) [2022-11-21 16:42:33,050 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (59 of 340 remaining) [2022-11-21 16:42:33,050 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (58 of 340 remaining) [2022-11-21 16:42:33,050 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (57 of 340 remaining) [2022-11-21 16:42:33,050 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (56 of 340 remaining) [2022-11-21 16:42:33,050 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (55 of 340 remaining) [2022-11-21 16:42:33,051 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (54 of 340 remaining) [2022-11-21 16:42:33,051 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (53 of 340 remaining) [2022-11-21 16:42:33,051 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (52 of 340 remaining) [2022-11-21 16:42:33,051 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (51 of 340 remaining) [2022-11-21 16:42:33,051 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (50 of 340 remaining) [2022-11-21 16:42:33,052 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (49 of 340 remaining) [2022-11-21 16:42:33,052 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (48 of 340 remaining) [2022-11-21 16:42:33,052 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (47 of 340 remaining) [2022-11-21 16:42:33,052 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (46 of 340 remaining) [2022-11-21 16:42:33,052 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (45 of 340 remaining) [2022-11-21 16:42:33,053 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (44 of 340 remaining) [2022-11-21 16:42:33,053 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (43 of 340 remaining) [2022-11-21 16:42:33,053 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (42 of 340 remaining) [2022-11-21 16:42:33,053 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (41 of 340 remaining) [2022-11-21 16:42:33,053 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (40 of 340 remaining) [2022-11-21 16:42:33,054 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (39 of 340 remaining) [2022-11-21 16:42:33,054 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (38 of 340 remaining) [2022-11-21 16:42:33,054 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (37 of 340 remaining) [2022-11-21 16:42:33,054 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (36 of 340 remaining) [2022-11-21 16:42:33,054 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (35 of 340 remaining) [2022-11-21 16:42:33,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (34 of 340 remaining) [2022-11-21 16:42:33,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (33 of 340 remaining) [2022-11-21 16:42:33,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (32 of 340 remaining) [2022-11-21 16:42:33,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (31 of 340 remaining) [2022-11-21 16:42:33,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (30 of 340 remaining) [2022-11-21 16:42:33,056 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (29 of 340 remaining) [2022-11-21 16:42:33,056 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (28 of 340 remaining) [2022-11-21 16:42:33,056 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONDATA_RACE (27 of 340 remaining) [2022-11-21 16:42:33,056 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err23ASSERT_VIOLATIONDATA_RACE (26 of 340 remaining) [2022-11-21 16:42:33,056 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err24ASSERT_VIOLATIONDATA_RACE (25 of 340 remaining) [2022-11-21 16:42:33,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (24 of 340 remaining) [2022-11-21 16:42:33,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (23 of 340 remaining) [2022-11-21 16:42:33,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (22 of 340 remaining) [2022-11-21 16:42:33,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (21 of 340 remaining) [2022-11-21 16:42:33,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (20 of 340 remaining) [2022-11-21 16:42:33,058 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (19 of 340 remaining) [2022-11-21 16:42:33,058 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (18 of 340 remaining) [2022-11-21 16:42:33,058 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (17 of 340 remaining) [2022-11-21 16:42:33,058 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (16 of 340 remaining) [2022-11-21 16:42:33,058 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (15 of 340 remaining) [2022-11-21 16:42:33,059 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (14 of 340 remaining) [2022-11-21 16:42:33,059 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (13 of 340 remaining) [2022-11-21 16:42:33,059 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (12 of 340 remaining) [2022-11-21 16:42:33,059 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (11 of 340 remaining) [2022-11-21 16:42:33,059 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (10 of 340 remaining) [2022-11-21 16:42:33,060 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err15ASSERT_VIOLATIONDATA_RACE (9 of 340 remaining) [2022-11-21 16:42:33,060 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err16ASSERT_VIOLATIONDATA_RACE (8 of 340 remaining) [2022-11-21 16:42:33,060 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err17ASSERT_VIOLATIONDATA_RACE (7 of 340 remaining) [2022-11-21 16:42:33,060 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err18ASSERT_VIOLATIONDATA_RACE (6 of 340 remaining) [2022-11-21 16:42:33,060 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err19ASSERT_VIOLATIONDATA_RACE (5 of 340 remaining) [2022-11-21 16:42:33,061 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err20ASSERT_VIOLATIONDATA_RACE (4 of 340 remaining) [2022-11-21 16:42:33,061 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err21ASSERT_VIOLATIONDATA_RACE (3 of 340 remaining) [2022-11-21 16:42:33,061 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err22ASSERT_VIOLATIONDATA_RACE (2 of 340 remaining) [2022-11-21 16:42:33,061 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err23ASSERT_VIOLATIONDATA_RACE (1 of 340 remaining) [2022-11-21 16:42:33,061 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err24ASSERT_VIOLATIONDATA_RACE (0 of 340 remaining) [2022-11-21 16:42:33,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-11-21 16:42:33,062 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:42:33,070 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-21 16:42:33,070 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 16:42:33,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 04:42:33 BasicIcfg [2022-11-21 16:42:33,077 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 16:42:33,078 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:42:33,078 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:42:33,078 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:42:33,079 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:41:36" (3/4) ... [2022-11-21 16:42:33,082 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 16:42:33,088 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-21 16:42:33,088 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-21 16:42:33,088 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-21 16:42:33,089 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2022-11-21 16:42:33,098 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2022-11-21 16:42:33,099 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 16:42:33,100 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 16:42:33,100 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 16:42:33,160 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25b7426-5c40-4a1b-964f-fbc62e1069b9/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 16:42:33,160 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:42:33,161 INFO L158 Benchmark]: Toolchain (without parser) took 60525.13ms. Allocated memory was 159.4MB in the beginning and 7.8GB in the end (delta: 7.7GB). Free memory was 126.7MB in the beginning and 6.3GB in the end (delta: -6.1GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2022-11-21 16:42:33,161 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 159.4MB. Free memory is still 128.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:42:33,161 INFO L158 Benchmark]: CACSL2BoogieTranslator took 415.77ms. Allocated memory is still 159.4MB. Free memory was 126.7MB in the beginning and 109.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 16:42:33,162 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.70ms. Allocated memory is still 159.4MB. Free memory was 109.9MB in the beginning and 103.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-21 16:42:33,162 INFO L158 Benchmark]: Boogie Preprocessor took 75.70ms. Allocated memory is still 159.4MB. Free memory was 103.6MB in the beginning and 98.3MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 16:42:33,162 INFO L158 Benchmark]: RCFGBuilder took 3170.48ms. Allocated memory was 159.4MB in the beginning and 207.6MB in the end (delta: 48.2MB). Free memory was 98.3MB in the beginning and 158.2MB in the end (delta: -59.9MB). Peak memory consumption was 83.3MB. Max. memory is 16.1GB. [2022-11-21 16:42:33,163 INFO L158 Benchmark]: TraceAbstraction took 56660.62ms. Allocated memory was 207.6MB in the beginning and 7.8GB in the end (delta: 7.6GB). Free memory was 157.2MB in the beginning and 6.3GB in the end (delta: -6.1GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2022-11-21 16:42:33,163 INFO L158 Benchmark]: Witness Printer took 82.34ms. Allocated memory is still 7.8GB. Free memory was 6.3GB in the beginning and 6.3GB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-21 16:42:33,165 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 159.4MB. Free memory is still 128.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 415.77ms. Allocated memory is still 159.4MB. Free memory was 126.7MB in the beginning and 109.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 110.70ms. Allocated memory is still 159.4MB. Free memory was 109.9MB in the beginning and 103.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.70ms. Allocated memory is still 159.4MB. Free memory was 103.6MB in the beginning and 98.3MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3170.48ms. Allocated memory was 159.4MB in the beginning and 207.6MB in the end (delta: 48.2MB). Free memory was 98.3MB in the beginning and 158.2MB in the end (delta: -59.9MB). Peak memory consumption was 83.3MB. Max. memory is 16.1GB. * TraceAbstraction took 56660.62ms. Allocated memory was 207.6MB in the beginning and 7.8GB in the end (delta: 7.6GB). Free memory was 157.2MB in the beginning and 6.3GB in the end (delta: -6.1GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. * Witness Printer took 82.34ms. Allocated memory is still 7.8GB. Free memory was 6.3GB in the beginning and 6.3GB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: 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: 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: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: 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: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 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: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: 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: 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: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: 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: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 110]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 113]: 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: 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 - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 129]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 129]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 130]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 132]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 136]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 136]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 170]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 172]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 173]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 174]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 174]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 175]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 175]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 217]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 177]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 178]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 178]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 179]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 180]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 180]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 217]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 182]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 183]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 183]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 184]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 185]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 185]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 217]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 187]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 188]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 188]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 189]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 190]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 190]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 217]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 192]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 193]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 200]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 201]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 202]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 203]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 205]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 147]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 149]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 149]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 149]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 150]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 150]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 150]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 150]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 151]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 151]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 152]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 154]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 156]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 156]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 156]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 156]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 156]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 157]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 157]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 157]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 157]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 157]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 158]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 158]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 159]: 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 9 procedures, 897 locations, 340 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: 56.4s, OverallIterations: 37, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 48.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 277 SdHoareTripleChecker+Valid, 4.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 277 mSDsluCounter, 347 SdHoareTripleChecker+Invalid, 4.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 230 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2515 IncrementalHoareTripleChecker+Invalid, 2745 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 230 mSolverCounterUnsat, 347 mSDtfsCounter, 2515 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 89 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1386occurred in iteration=0, InterpolantAutomatonStates: 126, 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: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 6968 NumberOfCodeBlocks, 6968 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 6931 ConstructedInterpolants, 0 QuantifiedInterpolants, 7434 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 37 InterpolantComputations, 37 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 186 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-21 16:42:33,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25b7426-5c40-4a1b-964f-fbc62e1069b9/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