./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5be64d3-0407-4d60-9623-d6becbea2228/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5be64d3-0407-4d60-9623-d6becbea2228/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5be64d3-0407-4d60-9623-d6becbea2228/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5be64d3-0407-4d60-9623-d6becbea2228/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5be64d3-0407-4d60-9623-d6becbea2228/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5be64d3-0407-4d60-9623-d6becbea2228/bin/uautomizer-TMbwUNV5ro --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 8fcb457b1bed8494a9a3b58e82500f367f4337ac38b5a41a5dad0da896f97e40 --- 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-8393723 [2022-11-18 19:44:20,024 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:44:20,027 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:44:20,064 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:44:20,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:44:20,068 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:44:20,071 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:44:20,076 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:44:20,077 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:44:20,078 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:44:20,079 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:44:20,080 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:44:20,081 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:44:20,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:44:20,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:44:20,084 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:44:20,085 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:44:20,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:44:20,093 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:44:20,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:44:20,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:44:20,109 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:44:20,112 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:44:20,113 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:44:20,120 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:44:20,123 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:44:20,124 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:44:20,125 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:44:20,126 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:44:20,127 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:44:20,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:44:20,129 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:44:20,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:44:20,132 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:44:20,133 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:44:20,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:44:20,135 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:44:20,135 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:44:20,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:44:20,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:44:20,137 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:44:20,138 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5be64d3-0407-4d60-9623-d6becbea2228/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-18 19:44:20,177 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:44:20,178 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:44:20,178 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:44:20,179 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:44:20,180 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:44:20,180 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:44:20,181 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:44:20,181 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:44:20,182 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:44:20,182 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:44:20,192 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 19:44:20,192 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 19:44:20,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:44:20,193 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 19:44:20,193 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:44:20,193 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:44:20,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:44:20,194 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:44:20,194 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-18 19:44:20,194 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 19:44:20,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:44:20,195 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:44:20,195 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:44:20,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:44:20,196 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:44:20,196 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:44:20,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:44:20,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:44:20,197 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:44:20,197 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:44:20,198 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:44:20,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 19:44:20,199 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:44:20,199 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:44:20,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:44:20,200 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_d5be64d3-0407-4d60-9623-d6becbea2228/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5be64d3-0407-4d60-9623-d6becbea2228/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8fcb457b1bed8494a9a3b58e82500f367f4337ac38b5a41a5dad0da896f97e40 [2022-11-18 19:44:20,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:44:20,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:44:20,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:44:20,484 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:44:20,485 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:44:20,486 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5be64d3-0407-4d60-9623-d6becbea2228/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i [2022-11-18 19:44:20,558 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5be64d3-0407-4d60-9623-d6becbea2228/bin/uautomizer-TMbwUNV5ro/data/28956d2b5/83595113e917404c9f6099b7e6667514/FLAG3618690a6 [2022-11-18 19:44:21,064 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:44:21,064 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5be64d3-0407-4d60-9623-d6becbea2228/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i [2022-11-18 19:44:21,078 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5be64d3-0407-4d60-9623-d6becbea2228/bin/uautomizer-TMbwUNV5ro/data/28956d2b5/83595113e917404c9f6099b7e6667514/FLAG3618690a6 [2022-11-18 19:44:21,384 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5be64d3-0407-4d60-9623-d6becbea2228/bin/uautomizer-TMbwUNV5ro/data/28956d2b5/83595113e917404c9f6099b7e6667514 [2022-11-18 19:44:21,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:44:21,388 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:44:21,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:44:21,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:44:21,397 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:44:21,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:44:21" (1/1) ... [2022-11-18 19:44:21,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7889e325 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:44:21, skipping insertion in model container [2022-11-18 19:44:21,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:44:21" (1/1) ... [2022-11-18 19:44:21,410 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:44:21,468 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:44:21,873 WARN L234 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_d5be64d3-0407-4d60-9623-d6becbea2228/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30451,30464] [2022-11-18 19:44:21,884 WARN L234 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_d5be64d3-0407-4d60-9623-d6becbea2228/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30681,30694] [2022-11-18 19:44:21,894 WARN L234 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_d5be64d3-0407-4d60-9623-d6becbea2228/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30979,30992] [2022-11-18 19:44:21,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:44:21,920 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:44:21,983 WARN L234 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_d5be64d3-0407-4d60-9623-d6becbea2228/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30451,30464] [2022-11-18 19:44:21,996 WARN L234 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_d5be64d3-0407-4d60-9623-d6becbea2228/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30681,30694] [2022-11-18 19:44:22,000 WARN L234 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_d5be64d3-0407-4d60-9623-d6becbea2228/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30979,30992] [2022-11-18 19:44:22,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:44:22,058 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:44:22,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:44:22 WrapperNode [2022-11-18 19:44:22,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:44:22,060 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:44:22,060 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:44:22,060 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:44:22,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:44:22" (1/1) ... [2022-11-18 19:44:22,106 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:44:22" (1/1) ... [2022-11-18 19:44:22,144 INFO L138 Inliner]: procedures = 168, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 250 [2022-11-18 19:44:22,151 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:44:22,151 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:44:22,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:44:22,153 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:44:22,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:44:22" (1/1) ... [2022-11-18 19:44:22,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:44:22" (1/1) ... [2022-11-18 19:44:22,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:44:22" (1/1) ... [2022-11-18 19:44:22,178 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:44:22" (1/1) ... [2022-11-18 19:44:22,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:44:22" (1/1) ... [2022-11-18 19:44:22,206 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:44:22" (1/1) ... [2022-11-18 19:44:22,208 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:44:22" (1/1) ... [2022-11-18 19:44:22,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:44:22" (1/1) ... [2022-11-18 19:44:22,212 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:44:22,213 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:44:22,213 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:44:22,214 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:44:22,214 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:44:22" (1/1) ... [2022-11-18 19:44:22,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:44:22,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5be64d3-0407-4d60-9623-d6becbea2228/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:44:22,252 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5be64d3-0407-4d60-9623-d6becbea2228/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:44:22,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5be64d3-0407-4d60-9623-d6becbea2228/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:44:22,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 19:44:22,304 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-18 19:44:22,304 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-18 19:44:22,304 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-18 19:44:22,304 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-18 19:44:22,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 19:44:22,305 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-18 19:44:22,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:44:22,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 19:44:22,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 19:44:22,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 19:44:22,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 19:44:22,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:44:22,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:44:22,307 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 19:44:22,467 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:44:22,469 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:44:23,013 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:44:23,033 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:44:23,033 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 19:44:23,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:44:23 BoogieIcfgContainer [2022-11-18 19:44:23,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:44:23,039 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:44:23,039 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:44:23,046 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:44:23,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:44:21" (1/3) ... [2022-11-18 19:44:23,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ef3985b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:44:23, skipping insertion in model container [2022-11-18 19:44:23,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:44:22" (2/3) ... [2022-11-18 19:44:23,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ef3985b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:44:23, skipping insertion in model container [2022-11-18 19:44:23,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:44:23" (3/3) ... [2022-11-18 19:44:23,049 INFO L112 eAbstractionObserver]: Analyzing ICFG circular_buffer_ok.i [2022-11-18 19:44:23,058 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 19:44:23,091 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:44:23,091 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2022-11-18 19:44:23,091 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 19:44:23,253 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-18 19:44:23,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 292 places, 298 transitions, 612 flow [2022-11-18 19:44:23,426 INFO L130 PetriNetUnfolder]: 13/296 cut-off events. [2022-11-18 19:44:23,427 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-18 19:44:23,439 INFO L83 FinitePrefix]: Finished finitePrefix Result has 305 conditions, 296 events. 13/296 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 790 event pairs, 0 based on Foata normal form. 0/250 useless extension candidates. Maximal degree in co-relation 204. Up to 2 conditions per place. [2022-11-18 19:44:23,439 INFO L82 GeneralOperation]: Start removeDead. Operand has 292 places, 298 transitions, 612 flow [2022-11-18 19:44:23,447 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 280 places, 286 transitions, 581 flow [2022-11-18 19:44:23,458 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:44:23,464 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;@137be463, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:44:23,465 INFO L358 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2022-11-18 19:44:23,473 INFO L130 PetriNetUnfolder]: 0/42 cut-off events. [2022-11-18 19:44:23,474 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 19:44:23,474 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:44:23,475 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] [2022-11-18 19:44:23,475 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-18 19:44:23,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:23,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1445830333, now seen corresponding path program 1 times [2022-11-18 19:44:23,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:23,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158450675] [2022-11-18 19:44:23,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:23,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:23,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:23,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:44:23,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:23,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158450675] [2022-11-18 19:44:23,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158450675] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:23,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:23,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:44:23,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744571445] [2022-11-18 19:44:23,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:23,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:44:23,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:23,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:44:23,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:44:23,848 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 298 [2022-11-18 19:44:23,852 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 286 transitions, 581 flow. Second operand has 3 states, 3 states have (on average 266.3333333333333) internal successors, (799), 3 states have internal predecessors, (799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:23,853 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:44:23,853 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 298 [2022-11-18 19:44:23,854 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:44:24,268 INFO L130 PetriNetUnfolder]: 116/1305 cut-off events. [2022-11-18 19:44:24,268 INFO L131 PetriNetUnfolder]: For 44/44 co-relation queries the response was YES. [2022-11-18 19:44:24,278 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1496 conditions, 1305 events. 116/1305 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 8023 event pairs, 51 based on Foata normal form. 47/1081 useless extension candidates. Maximal degree in co-relation 1279. Up to 148 conditions per place. [2022-11-18 19:44:24,288 INFO L137 encePairwiseOnDemand]: 290/298 looper letters, 21 selfloop transitions, 2 changer transitions 0/277 dead transitions. [2022-11-18 19:44:24,289 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 277 transitions, 609 flow [2022-11-18 19:44:24,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:44:24,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:44:24,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 824 transitions. [2022-11-18 19:44:24,315 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9217002237136466 [2022-11-18 19:44:24,316 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 824 transitions. [2022-11-18 19:44:24,317 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 824 transitions. [2022-11-18 19:44:24,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:44:24,324 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 824 transitions. [2022-11-18 19:44:24,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 274.6666666666667) internal successors, (824), 3 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:24,339 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:24,340 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:24,342 INFO L175 Difference]: Start difference. First operand has 280 places, 286 transitions, 581 flow. Second operand 3 states and 824 transitions. [2022-11-18 19:44:24,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 277 transitions, 609 flow [2022-11-18 19:44:24,352 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 277 transitions, 604 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-11-18 19:44:24,360 INFO L231 Difference]: Finished difference. Result has 275 places, 277 transitions, 562 flow [2022-11-18 19:44:24,363 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=558, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=562, PETRI_PLACES=275, PETRI_TRANSITIONS=277} [2022-11-18 19:44:24,403 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, -5 predicate places. [2022-11-18 19:44:24,403 INFO L495 AbstractCegarLoop]: Abstraction has has 275 places, 277 transitions, 562 flow [2022-11-18 19:44:24,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 266.3333333333333) internal successors, (799), 3 states have internal predecessors, (799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:24,404 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:44:24,404 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:44:24,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 19:44:24,404 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-18 19:44:24,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:24,405 INFO L85 PathProgramCache]: Analyzing trace with hash 2070089603, now seen corresponding path program 1 times [2022-11-18 19:44:24,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:24,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536705459] [2022-11-18 19:44:24,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:24,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:24,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:24,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:44:24,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:24,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536705459] [2022-11-18 19:44:24,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536705459] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:24,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:24,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:44:24,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921487197] [2022-11-18 19:44:24,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:24,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:44:24,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:24,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:44:24,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:44:24,570 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 259 out of 298 [2022-11-18 19:44:24,572 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 277 transitions, 562 flow. Second operand has 3 states, 3 states have (on average 260.3333333333333) internal successors, (781), 3 states have internal predecessors, (781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:24,573 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:44:24,573 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 259 of 298 [2022-11-18 19:44:24,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:44:24,892 INFO L130 PetriNetUnfolder]: 122/1106 cut-off events. [2022-11-18 19:44:24,892 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-11-18 19:44:24,896 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1326 conditions, 1106 events. 122/1106 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 6611 event pairs, 63 based on Foata normal form. 0/876 useless extension candidates. Maximal degree in co-relation 1276. Up to 181 conditions per place. [2022-11-18 19:44:24,904 INFO L137 encePairwiseOnDemand]: 295/298 looper letters, 27 selfloop transitions, 2 changer transitions 0/276 dead transitions. [2022-11-18 19:44:24,904 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 276 transitions, 618 flow [2022-11-18 19:44:24,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:44:24,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:44:24,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 807 transitions. [2022-11-18 19:44:24,908 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9026845637583892 [2022-11-18 19:44:24,908 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 807 transitions. [2022-11-18 19:44:24,908 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 807 transitions. [2022-11-18 19:44:24,909 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:44:24,909 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 807 transitions. [2022-11-18 19:44:24,911 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 269.0) internal successors, (807), 3 states have internal predecessors, (807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:24,913 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:24,914 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:24,915 INFO L175 Difference]: Start difference. First operand has 275 places, 277 transitions, 562 flow. Second operand 3 states and 807 transitions. [2022-11-18 19:44:24,915 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 276 transitions, 618 flow [2022-11-18 19:44:24,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 276 transitions, 614 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:44:24,925 INFO L231 Difference]: Finished difference. Result has 274 places, 276 transitions, 560 flow [2022-11-18 19:44:24,926 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=556, PETRI_DIFFERENCE_MINUEND_PLACES=272, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=560, PETRI_PLACES=274, PETRI_TRANSITIONS=276} [2022-11-18 19:44:24,927 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, -6 predicate places. [2022-11-18 19:44:24,927 INFO L495 AbstractCegarLoop]: Abstraction has has 274 places, 276 transitions, 560 flow [2022-11-18 19:44:24,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 260.3333333333333) internal successors, (781), 3 states have internal predecessors, (781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:24,928 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:44:24,928 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:44:24,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 19:44:24,929 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-18 19:44:24,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:24,930 INFO L85 PathProgramCache]: Analyzing trace with hash 786270230, now seen corresponding path program 1 times [2022-11-18 19:44:24,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:24,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982829469] [2022-11-18 19:44:24,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:24,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:25,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:44:25,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:25,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982829469] [2022-11-18 19:44:25,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982829469] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:25,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:25,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:44:25,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392607930] [2022-11-18 19:44:25,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:25,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:44:25,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:25,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:44:25,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:44:25,065 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 262 out of 298 [2022-11-18 19:44:25,067 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 276 transitions, 560 flow. Second operand has 3 states, 3 states have (on average 263.3333333333333) internal successors, (790), 3 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:25,067 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:44:25,067 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 262 of 298 [2022-11-18 19:44:25,067 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:44:25,400 INFO L130 PetriNetUnfolder]: 103/1235 cut-off events. [2022-11-18 19:44:25,400 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2022-11-18 19:44:25,404 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1401 conditions, 1235 events. 103/1235 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 7258 event pairs, 28 based on Foata normal form. 0/1012 useless extension candidates. Maximal degree in co-relation 1344. Up to 113 conditions per place. [2022-11-18 19:44:25,410 INFO L137 encePairwiseOnDemand]: 287/298 looper letters, 22 selfloop transitions, 5 changer transitions 0/277 dead transitions. [2022-11-18 19:44:25,410 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 277 transitions, 618 flow [2022-11-18 19:44:25,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:44:25,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:44:25,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 819 transitions. [2022-11-18 19:44:25,415 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9161073825503355 [2022-11-18 19:44:25,415 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 819 transitions. [2022-11-18 19:44:25,415 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 819 transitions. [2022-11-18 19:44:25,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:44:25,416 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 819 transitions. [2022-11-18 19:44:25,418 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 273.0) internal successors, (819), 3 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:25,420 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:25,421 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:25,421 INFO L175 Difference]: Start difference. First operand has 274 places, 276 transitions, 560 flow. Second operand 3 states and 819 transitions. [2022-11-18 19:44:25,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 277 transitions, 618 flow [2022-11-18 19:44:25,423 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 269 places, 277 transitions, 614 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:44:25,427 INFO L231 Difference]: Finished difference. Result has 271 places, 274 transitions, 580 flow [2022-11-18 19:44:25,427 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=546, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=580, PETRI_PLACES=271, PETRI_TRANSITIONS=274} [2022-11-18 19:44:25,431 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, -9 predicate places. [2022-11-18 19:44:25,431 INFO L495 AbstractCegarLoop]: Abstraction has has 271 places, 274 transitions, 580 flow [2022-11-18 19:44:25,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 263.3333333333333) internal successors, (790), 3 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:25,432 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:44:25,432 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] [2022-11-18 19:44:25,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 19:44:25,432 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-18 19:44:25,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:25,433 INFO L85 PathProgramCache]: Analyzing trace with hash -150865100, now seen corresponding path program 1 times [2022-11-18 19:44:25,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:25,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330056399] [2022-11-18 19:44:25,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:25,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:25,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:25,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:44:25,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:25,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330056399] [2022-11-18 19:44:25,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330056399] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:25,533 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:25,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:44:25,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290416520] [2022-11-18 19:44:25,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:25,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:44:25,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:25,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:44:25,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:44:25,538 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 298 [2022-11-18 19:44:25,539 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 274 transitions, 580 flow. Second operand has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:25,539 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:44:25,539 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 298 [2022-11-18 19:44:25,539 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:44:25,683 INFO L130 PetriNetUnfolder]: 42/641 cut-off events. [2022-11-18 19:44:25,683 INFO L131 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2022-11-18 19:44:25,686 INFO L83 FinitePrefix]: Finished finitePrefix Result has 753 conditions, 641 events. 42/641 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2535 event pairs, 14 based on Foata normal form. 0/536 useless extension candidates. Maximal degree in co-relation 658. Up to 70 conditions per place. [2022-11-18 19:44:25,689 INFO L137 encePairwiseOnDemand]: 295/298 looper letters, 18 selfloop transitions, 2 changer transitions 0/273 dead transitions. [2022-11-18 19:44:25,689 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 273 transitions, 618 flow [2022-11-18 19:44:25,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:44:25,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:44:25,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 825 transitions. [2022-11-18 19:44:25,696 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9228187919463087 [2022-11-18 19:44:25,696 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 825 transitions. [2022-11-18 19:44:25,696 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 825 transitions. [2022-11-18 19:44:25,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:44:25,697 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 825 transitions. [2022-11-18 19:44:25,700 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 275.0) internal successors, (825), 3 states have internal predecessors, (825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:25,702 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:25,703 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:25,703 INFO L175 Difference]: Start difference. First operand has 271 places, 274 transitions, 580 flow. Second operand 3 states and 825 transitions. [2022-11-18 19:44:25,708 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 273 transitions, 618 flow [2022-11-18 19:44:25,711 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 273 transitions, 608 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:44:25,714 INFO L231 Difference]: Finished difference. Result has 270 places, 273 transitions, 572 flow [2022-11-18 19:44:25,715 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=568, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=572, PETRI_PLACES=270, PETRI_TRANSITIONS=273} [2022-11-18 19:44:25,716 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, -10 predicate places. [2022-11-18 19:44:25,717 INFO L495 AbstractCegarLoop]: Abstraction has has 270 places, 273 transitions, 572 flow [2022-11-18 19:44:25,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:25,717 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:44:25,718 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] [2022-11-18 19:44:25,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 19:44:25,718 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-18 19:44:25,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:25,720 INFO L85 PathProgramCache]: Analyzing trace with hash 2541298, now seen corresponding path program 1 times [2022-11-18 19:44:25,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:25,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342305552] [2022-11-18 19:44:25,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:25,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:25,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:25,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:44:25,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:25,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342305552] [2022-11-18 19:44:25,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342305552] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:25,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:25,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:44:25,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487653285] [2022-11-18 19:44:25,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:25,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:44:25,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:25,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:44:25,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:44:25,799 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 271 out of 298 [2022-11-18 19:44:25,801 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 273 transitions, 572 flow. Second operand has 3 states, 3 states have (on average 272.3333333333333) internal successors, (817), 3 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:25,801 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:44:25,801 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 271 of 298 [2022-11-18 19:44:25,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:44:26,030 INFO L130 PetriNetUnfolder]: 97/1287 cut-off events. [2022-11-18 19:44:26,030 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2022-11-18 19:44:26,035 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1446 conditions, 1287 events. 97/1287 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 7295 event pairs, 30 based on Foata normal form. 0/1047 useless extension candidates. Maximal degree in co-relation 1382. Up to 95 conditions per place. [2022-11-18 19:44:26,040 INFO L137 encePairwiseOnDemand]: 295/298 looper letters, 15 selfloop transitions, 2 changer transitions 0/272 dead transitions. [2022-11-18 19:44:26,041 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 272 transitions, 604 flow [2022-11-18 19:44:26,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:44:26,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:44:26,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 831 transitions. [2022-11-18 19:44:26,043 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9295302013422819 [2022-11-18 19:44:26,043 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 831 transitions. [2022-11-18 19:44:26,043 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 831 transitions. [2022-11-18 19:44:26,044 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:44:26,044 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 831 transitions. [2022-11-18 19:44:26,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 277.0) internal successors, (831), 3 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:26,048 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:26,049 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:26,049 INFO L175 Difference]: Start difference. First operand has 270 places, 273 transitions, 572 flow. Second operand 3 states and 831 transitions. [2022-11-18 19:44:26,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 272 transitions, 604 flow [2022-11-18 19:44:26,051 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 269 places, 272 transitions, 600 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:44:26,055 INFO L231 Difference]: Finished difference. Result has 269 places, 272 transitions, 570 flow [2022-11-18 19:44:26,055 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=566, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=570, PETRI_PLACES=269, PETRI_TRANSITIONS=272} [2022-11-18 19:44:26,056 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, -11 predicate places. [2022-11-18 19:44:26,056 INFO L495 AbstractCegarLoop]: Abstraction has has 269 places, 272 transitions, 570 flow [2022-11-18 19:44:26,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 272.3333333333333) internal successors, (817), 3 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:26,057 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:44:26,057 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] [2022-11-18 19:44:26,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 19:44:26,058 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-18 19:44:26,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:26,058 INFO L85 PathProgramCache]: Analyzing trace with hash -986804261, now seen corresponding path program 1 times [2022-11-18 19:44:26,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:26,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624661324] [2022-11-18 19:44:26,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:26,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:26,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:26,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:44:26,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:26,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624661324] [2022-11-18 19:44:26,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624661324] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:26,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:26,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:44:26,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598737681] [2022-11-18 19:44:26,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:26,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:44:26,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:26,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:44:26,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:44:26,126 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 271 out of 298 [2022-11-18 19:44:26,127 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 272 transitions, 570 flow. Second operand has 3 states, 3 states have (on average 272.3333333333333) internal successors, (817), 3 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:26,127 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:44:26,127 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 271 of 298 [2022-11-18 19:44:26,128 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:44:26,394 INFO L130 PetriNetUnfolder]: 98/1318 cut-off events. [2022-11-18 19:44:26,395 INFO L131 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2022-11-18 19:44:26,399 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1477 conditions, 1318 events. 98/1318 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 7760 event pairs, 29 based on Foata normal form. 0/1082 useless extension candidates. Maximal degree in co-relation 1407. Up to 101 conditions per place. [2022-11-18 19:44:26,404 INFO L137 encePairwiseOnDemand]: 295/298 looper letters, 15 selfloop transitions, 2 changer transitions 0/271 dead transitions. [2022-11-18 19:44:26,404 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 271 transitions, 602 flow [2022-11-18 19:44:26,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:44:26,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:44:26,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 831 transitions. [2022-11-18 19:44:26,407 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9295302013422819 [2022-11-18 19:44:26,407 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 831 transitions. [2022-11-18 19:44:26,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 831 transitions. [2022-11-18 19:44:26,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:44:26,408 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 831 transitions. [2022-11-18 19:44:26,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 277.0) internal successors, (831), 3 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:26,413 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:26,413 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:26,414 INFO L175 Difference]: Start difference. First operand has 269 places, 272 transitions, 570 flow. Second operand 3 states and 831 transitions. [2022-11-18 19:44:26,414 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 270 places, 271 transitions, 602 flow [2022-11-18 19:44:26,416 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 271 transitions, 598 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:44:26,420 INFO L231 Difference]: Finished difference. Result has 268 places, 271 transitions, 568 flow [2022-11-18 19:44:26,420 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=564, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=568, PETRI_PLACES=268, PETRI_TRANSITIONS=271} [2022-11-18 19:44:26,423 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, -12 predicate places. [2022-11-18 19:44:26,424 INFO L495 AbstractCegarLoop]: Abstraction has has 268 places, 271 transitions, 568 flow [2022-11-18 19:44:26,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 272.3333333333333) internal successors, (817), 3 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:26,425 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:44:26,426 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] [2022-11-18 19:44:26,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 19:44:26,426 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-18 19:44:26,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:26,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1757718914, now seen corresponding path program 1 times [2022-11-18 19:44:26,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:26,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316486609] [2022-11-18 19:44:26,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:26,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:26,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:26,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:44:26,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:26,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316486609] [2022-11-18 19:44:26,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316486609] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:26,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:26,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:44:26,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073703250] [2022-11-18 19:44:26,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:26,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:44:26,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:26,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:44:26,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:44:26,556 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 274 out of 298 [2022-11-18 19:44:26,557 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 271 transitions, 568 flow. Second operand has 3 states, 3 states have (on average 275.6666666666667) internal successors, (827), 3 states have internal predecessors, (827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:26,557 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:44:26,558 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 274 of 298 [2022-11-18 19:44:26,558 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:44:26,849 INFO L130 PetriNetUnfolder]: 119/1636 cut-off events. [2022-11-18 19:44:26,850 INFO L131 PetriNetUnfolder]: For 17/19 co-relation queries the response was YES. [2022-11-18 19:44:26,880 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1831 conditions, 1636 events. 119/1636 cut-off events. For 17/19 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 10919 event pairs, 22 based on Foata normal form. 1/1347 useless extension candidates. Maximal degree in co-relation 1755. Up to 83 conditions per place. [2022-11-18 19:44:26,893 INFO L137 encePairwiseOnDemand]: 293/298 looper letters, 18 selfloop transitions, 4 changer transitions 0/279 dead transitions. [2022-11-18 19:44:26,894 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 279 transitions, 631 flow [2022-11-18 19:44:26,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:44:26,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:44:26,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 845 transitions. [2022-11-18 19:44:26,897 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9451901565995525 [2022-11-18 19:44:26,897 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 845 transitions. [2022-11-18 19:44:26,897 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 845 transitions. [2022-11-18 19:44:26,898 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:44:26,898 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 845 transitions. [2022-11-18 19:44:26,900 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 281.6666666666667) internal successors, (845), 3 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:26,902 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:26,903 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:26,903 INFO L175 Difference]: Start difference. First operand has 268 places, 271 transitions, 568 flow. Second operand 3 states and 845 transitions. [2022-11-18 19:44:26,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 270 places, 279 transitions, 631 flow [2022-11-18 19:44:26,911 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 279 transitions, 627 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:44:26,916 INFO L231 Difference]: Finished difference. Result has 270 places, 275 transitions, 598 flow [2022-11-18 19:44:26,916 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=564, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=267, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=598, PETRI_PLACES=270, PETRI_TRANSITIONS=275} [2022-11-18 19:44:26,917 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, -10 predicate places. [2022-11-18 19:44:26,917 INFO L495 AbstractCegarLoop]: Abstraction has has 270 places, 275 transitions, 598 flow [2022-11-18 19:44:26,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 275.6666666666667) internal successors, (827), 3 states have internal predecessors, (827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:26,919 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:44:26,920 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] [2022-11-18 19:44:26,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 19:44:26,920 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-18 19:44:26,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:26,921 INFO L85 PathProgramCache]: Analyzing trace with hash -846042072, now seen corresponding path program 1 times [2022-11-18 19:44:26,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:26,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820322307] [2022-11-18 19:44:26,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:26,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:26,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:44:26,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:26,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820322307] [2022-11-18 19:44:26,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820322307] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:26,993 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:26,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:44:26,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606620729] [2022-11-18 19:44:26,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:26,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:44:26,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:26,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:44:26,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:44:26,999 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 274 out of 298 [2022-11-18 19:44:27,001 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 275 transitions, 598 flow. Second operand has 3 states, 3 states have (on average 276.0) internal successors, (828), 3 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:27,001 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:44:27,001 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 274 of 298 [2022-11-18 19:44:27,001 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:44:27,453 INFO L130 PetriNetUnfolder]: 180/2271 cut-off events. [2022-11-18 19:44:27,453 INFO L131 PetriNetUnfolder]: For 64/65 co-relation queries the response was YES. [2022-11-18 19:44:27,464 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2627 conditions, 2271 events. 180/2271 cut-off events. For 64/65 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 17473 event pairs, 28 based on Foata normal form. 0/1881 useless extension candidates. Maximal degree in co-relation 1776. Up to 121 conditions per place. [2022-11-18 19:44:27,475 INFO L137 encePairwiseOnDemand]: 293/298 looper letters, 17 selfloop transitions, 4 changer transitions 0/282 dead transitions. [2022-11-18 19:44:27,476 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 282 transitions, 655 flow [2022-11-18 19:44:27,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:44:27,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:44:27,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 844 transitions. [2022-11-18 19:44:27,478 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9440715883668904 [2022-11-18 19:44:27,478 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 844 transitions. [2022-11-18 19:44:27,478 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 844 transitions. [2022-11-18 19:44:27,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:44:27,479 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 844 transitions. [2022-11-18 19:44:27,481 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 281.3333333333333) internal successors, (844), 3 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:27,483 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:27,483 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:27,484 INFO L175 Difference]: Start difference. First operand has 270 places, 275 transitions, 598 flow. Second operand 3 states and 844 transitions. [2022-11-18 19:44:27,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 282 transitions, 655 flow [2022-11-18 19:44:27,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 282 transitions, 647 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:44:27,490 INFO L231 Difference]: Finished difference. Result has 272 places, 279 transitions, 624 flow [2022-11-18 19:44:27,491 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=590, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=624, PETRI_PLACES=272, PETRI_TRANSITIONS=279} [2022-11-18 19:44:27,491 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, -8 predicate places. [2022-11-18 19:44:27,492 INFO L495 AbstractCegarLoop]: Abstraction has has 272 places, 279 transitions, 624 flow [2022-11-18 19:44:27,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 276.0) internal successors, (828), 3 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:27,492 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:44:27,493 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] [2022-11-18 19:44:27,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 19:44:27,493 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-18 19:44:27,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:27,494 INFO L85 PathProgramCache]: Analyzing trace with hash -2049079382, now seen corresponding path program 1 times [2022-11-18 19:44:27,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:27,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830220984] [2022-11-18 19:44:27,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:27,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:27,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:27,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:44:27,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:27,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830220984] [2022-11-18 19:44:27,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830220984] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:27,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:27,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 19:44:27,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947234466] [2022-11-18 19:44:27,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:27,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:44:27,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:27,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:44:27,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:44:27,922 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 262 out of 298 [2022-11-18 19:44:27,924 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 279 transitions, 624 flow. Second operand has 6 states, 6 states have (on average 263.8333333333333) internal successors, (1583), 6 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:27,925 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:44:27,925 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 262 of 298 [2022-11-18 19:44:27,925 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:44:29,920 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][240], [329#(= |#race~receive~0| 0), 338#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 303#true, t2Thread1of1ForFork0InUse, Black: 323#(= |#race~send~0| 0), 102#L699-4true, 45#L766-3true, Black: 327#true]) [2022-11-18 19:44:29,920 INFO L383 tUnfolder$Statistics]: this new event has 189 ancestors and is cut-off event [2022-11-18 19:44:29,920 INFO L386 tUnfolder$Statistics]: existing Event has 127 ancestors and is cut-off event [2022-11-18 19:44:29,921 INFO L386 tUnfolder$Statistics]: existing Event has 179 ancestors and is cut-off event [2022-11-18 19:44:29,921 INFO L386 tUnfolder$Statistics]: existing Event has 174 ancestors and is cut-off event [2022-11-18 19:44:29,921 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][240], [329#(= |#race~receive~0| 0), 338#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 303#true, t2Thread1of1ForFork0InUse, Black: 323#(= |#race~send~0| 0), 102#L699-4true, Black: 327#true, 142#ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACEtrue]) [2022-11-18 19:44:29,921 INFO L383 tUnfolder$Statistics]: this new event has 192 ancestors and is cut-off event [2022-11-18 19:44:29,922 INFO L386 tUnfolder$Statistics]: existing Event has 130 ancestors and is cut-off event [2022-11-18 19:44:29,922 INFO L386 tUnfolder$Statistics]: existing Event has 182 ancestors and is cut-off event [2022-11-18 19:44:29,922 INFO L386 tUnfolder$Statistics]: existing Event has 177 ancestors and is cut-off event [2022-11-18 19:44:29,922 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][240], [329#(= |#race~receive~0| 0), 338#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 303#true, t2Thread1of1ForFork0InUse, Black: 323#(= |#race~send~0| 0), 102#L699-4true, 148#L766-4true, Black: 327#true]) [2022-11-18 19:44:29,922 INFO L383 tUnfolder$Statistics]: this new event has 190 ancestors and is cut-off event [2022-11-18 19:44:29,923 INFO L386 tUnfolder$Statistics]: existing Event has 180 ancestors and is cut-off event [2022-11-18 19:44:29,923 INFO L386 tUnfolder$Statistics]: existing Event has 128 ancestors and is cut-off event [2022-11-18 19:44:29,923 INFO L386 tUnfolder$Statistics]: existing Event has 175 ancestors and is cut-off event [2022-11-18 19:44:29,923 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][240], [329#(= |#race~receive~0| 0), 225#L765-7true, 338#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 303#true, t2Thread1of1ForFork0InUse, Black: 323#(= |#race~send~0| 0), 102#L699-4true, Black: 327#true]) [2022-11-18 19:44:29,923 INFO L383 tUnfolder$Statistics]: this new event has 185 ancestors and is cut-off event [2022-11-18 19:44:29,924 INFO L386 tUnfolder$Statistics]: existing Event has 175 ancestors and is cut-off event [2022-11-18 19:44:29,924 INFO L386 tUnfolder$Statistics]: existing Event has 123 ancestors and is cut-off event [2022-11-18 19:44:29,924 INFO L386 tUnfolder$Statistics]: existing Event has 170 ancestors and is cut-off event [2022-11-18 19:44:29,924 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][240], [329#(= |#race~receive~0| 0), 338#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 303#true, t2Thread1of1ForFork0InUse, Black: 323#(= |#race~send~0| 0), 102#L699-4true, 245#L766-6true, Black: 327#true]) [2022-11-18 19:44:29,924 INFO L383 tUnfolder$Statistics]: this new event has 192 ancestors and is cut-off event [2022-11-18 19:44:29,925 INFO L386 tUnfolder$Statistics]: existing Event has 130 ancestors and is cut-off event [2022-11-18 19:44:29,925 INFO L386 tUnfolder$Statistics]: existing Event has 182 ancestors and is cut-off event [2022-11-18 19:44:29,925 INFO L386 tUnfolder$Statistics]: existing Event has 177 ancestors and is cut-off event [2022-11-18 19:44:29,925 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][240], [329#(= |#race~receive~0| 0), 75#L766-2true, 338#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 303#true, t2Thread1of1ForFork0InUse, Black: 323#(= |#race~send~0| 0), 102#L699-4true, Black: 327#true]) [2022-11-18 19:44:29,925 INFO L383 tUnfolder$Statistics]: this new event has 188 ancestors and is cut-off event [2022-11-18 19:44:29,926 INFO L386 tUnfolder$Statistics]: existing Event has 126 ancestors and is cut-off event [2022-11-18 19:44:29,926 INFO L386 tUnfolder$Statistics]: existing Event has 178 ancestors and is cut-off event [2022-11-18 19:44:29,926 INFO L386 tUnfolder$Statistics]: existing Event has 173 ancestors and is cut-off event [2022-11-18 19:44:29,926 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][240], [329#(= |#race~receive~0| 0), 338#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 303#true, t2Thread1of1ForFork0InUse, Black: 323#(= |#race~send~0| 0), 102#L699-4true, Black: 327#true, 52#L766-5true]) [2022-11-18 19:44:29,927 INFO L383 tUnfolder$Statistics]: this new event has 191 ancestors and is cut-off event [2022-11-18 19:44:29,927 INFO L386 tUnfolder$Statistics]: existing Event has 181 ancestors and is cut-off event [2022-11-18 19:44:29,927 INFO L386 tUnfolder$Statistics]: existing Event has 176 ancestors and is cut-off event [2022-11-18 19:44:29,927 INFO L386 tUnfolder$Statistics]: existing Event has 129 ancestors and is cut-off event [2022-11-18 19:44:32,218 INFO L130 PetriNetUnfolder]: 2602/21227 cut-off events. [2022-11-18 19:44:32,219 INFO L131 PetriNetUnfolder]: For 348/829 co-relation queries the response was YES. [2022-11-18 19:44:32,325 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26260 conditions, 21227 events. 2602/21227 cut-off events. For 348/829 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 276296 event pairs, 486 based on Foata normal form. 88/17415 useless extension candidates. Maximal degree in co-relation 18881. Up to 1591 conditions per place. [2022-11-18 19:44:32,444 INFO L137 encePairwiseOnDemand]: 291/298 looper letters, 51 selfloop transitions, 9 changer transitions 0/314 dead transitions. [2022-11-18 19:44:32,444 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 314 transitions, 815 flow [2022-11-18 19:44:32,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:44:32,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 19:44:32,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1633 transitions. [2022-11-18 19:44:32,449 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9133109619686801 [2022-11-18 19:44:32,450 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1633 transitions. [2022-11-18 19:44:32,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1633 transitions. [2022-11-18 19:44:32,587 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:44:32,587 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1633 transitions. [2022-11-18 19:44:32,598 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 272.1666666666667) internal successors, (1633), 6 states have internal predecessors, (1633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:32,608 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 298.0) internal successors, (2086), 7 states have internal predecessors, (2086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:32,609 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 298.0) internal successors, (2086), 7 states have internal predecessors, (2086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:32,610 INFO L175 Difference]: Start difference. First operand has 272 places, 279 transitions, 624 flow. Second operand 6 states and 1633 transitions. [2022-11-18 19:44:32,610 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 314 transitions, 815 flow [2022-11-18 19:44:32,616 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 314 transitions, 807 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:44:32,620 INFO L231 Difference]: Finished difference. Result has 280 places, 287 transitions, 680 flow [2022-11-18 19:44:32,621 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=616, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=273, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=680, PETRI_PLACES=280, PETRI_TRANSITIONS=287} [2022-11-18 19:44:32,622 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, 0 predicate places. [2022-11-18 19:44:32,622 INFO L495 AbstractCegarLoop]: Abstraction has has 280 places, 287 transitions, 680 flow [2022-11-18 19:44:32,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 263.8333333333333) internal successors, (1583), 6 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:32,623 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:44:32,624 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:44:32,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 19:44:32,624 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t1Err2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-18 19:44:32,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:32,625 INFO L85 PathProgramCache]: Analyzing trace with hash 951335340, now seen corresponding path program 1 times [2022-11-18 19:44:32,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:32,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391515994] [2022-11-18 19:44:32,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:32,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:32,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:32,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:44:32,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:32,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391515994] [2022-11-18 19:44:32,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391515994] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:32,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:32,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:44:32,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714711736] [2022-11-18 19:44:32,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:32,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:44:32,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:32,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:44:32,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:44:32,684 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 298 [2022-11-18 19:44:32,685 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 287 transitions, 680 flow. Second operand has 3 states, 3 states have (on average 269.6666666666667) internal successors, (809), 3 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:32,686 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:44:32,686 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 298 [2022-11-18 19:44:32,686 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:44:34,912 INFO L130 PetriNetUnfolder]: 1225/15406 cut-off events. [2022-11-18 19:44:34,913 INFO L131 PetriNetUnfolder]: For 100/127 co-relation queries the response was YES. [2022-11-18 19:44:34,963 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18124 conditions, 15406 events. 1225/15406 cut-off events. For 100/127 co-relation queries the response was YES. Maximal size of possible extension queue 282. Compared 192241 event pairs, 417 based on Foata normal form. 0/12928 useless extension candidates. Maximal degree in co-relation 17884. Up to 1071 conditions per place. [2022-11-18 19:44:35,016 INFO L137 encePairwiseOnDemand]: 291/298 looper letters, 17 selfloop transitions, 2 changer transitions 0/286 dead transitions. [2022-11-18 19:44:35,017 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 286 transitions, 719 flow [2022-11-18 19:44:35,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:44:35,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:44:35,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 828 transitions. [2022-11-18 19:44:35,020 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9261744966442953 [2022-11-18 19:44:35,020 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 828 transitions. [2022-11-18 19:44:35,020 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 828 transitions. [2022-11-18 19:44:35,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:44:35,021 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 828 transitions. [2022-11-18 19:44:35,023 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 276.0) internal successors, (828), 3 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:35,025 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:35,025 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:35,026 INFO L175 Difference]: Start difference. First operand has 280 places, 287 transitions, 680 flow. Second operand 3 states and 828 transitions. [2022-11-18 19:44:35,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 286 transitions, 719 flow [2022-11-18 19:44:35,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 286 transitions, 719 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 19:44:35,033 INFO L231 Difference]: Finished difference. Result has 278 places, 284 transitions, 684 flow [2022-11-18 19:44:35,033 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=670, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=684, PETRI_PLACES=278, PETRI_TRANSITIONS=284} [2022-11-18 19:44:35,034 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, -2 predicate places. [2022-11-18 19:44:35,034 INFO L495 AbstractCegarLoop]: Abstraction has has 278 places, 284 transitions, 684 flow [2022-11-18 19:44:35,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 269.6666666666667) internal successors, (809), 3 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:35,035 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:44:35,035 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:44:35,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 19:44:35,036 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t2Err2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-18 19:44:35,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:35,036 INFO L85 PathProgramCache]: Analyzing trace with hash 164601844, now seen corresponding path program 1 times [2022-11-18 19:44:35,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:35,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104585892] [2022-11-18 19:44:35,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:35,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:35,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:35,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:44:35,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:35,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104585892] [2022-11-18 19:44:35,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104585892] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:35,090 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:35,090 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:44:35,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936973144] [2022-11-18 19:44:35,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:35,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:44:35,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:35,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:44:35,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:44:35,093 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 271 out of 298 [2022-11-18 19:44:35,094 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 284 transitions, 684 flow. Second operand has 3 states, 3 states have (on average 273.0) internal successors, (819), 3 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:35,094 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:44:35,094 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 271 of 298 [2022-11-18 19:44:35,094 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:44:37,734 INFO L130 PetriNetUnfolder]: 1396/16208 cut-off events. [2022-11-18 19:44:37,734 INFO L131 PetriNetUnfolder]: For 279/319 co-relation queries the response was YES. [2022-11-18 19:44:37,801 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19655 conditions, 16208 events. 1396/16208 cut-off events. For 279/319 co-relation queries the response was YES. Maximal size of possible extension queue 304. Compared 205495 event pairs, 219 based on Foata normal form. 0/13778 useless extension candidates. Maximal degree in co-relation 19559. Up to 809 conditions per place. [2022-11-18 19:44:38,001 INFO L137 encePairwiseOnDemand]: 291/298 looper letters, 13 selfloop transitions, 4 changer transitions 0/284 dead transitions. [2022-11-18 19:44:38,001 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 284 transitions, 719 flow [2022-11-18 19:44:38,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:44:38,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:44:38,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 833 transitions. [2022-11-18 19:44:38,005 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9317673378076062 [2022-11-18 19:44:38,005 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 833 transitions. [2022-11-18 19:44:38,005 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 833 transitions. [2022-11-18 19:44:38,006 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:44:38,006 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 833 transitions. [2022-11-18 19:44:38,008 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 277.6666666666667) internal successors, (833), 3 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:38,009 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:38,010 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:38,010 INFO L175 Difference]: Start difference. First operand has 278 places, 284 transitions, 684 flow. Second operand 3 states and 833 transitions. [2022-11-18 19:44:38,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 284 transitions, 719 flow [2022-11-18 19:44:38,014 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 284 transitions, 719 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 19:44:38,018 INFO L231 Difference]: Finished difference. Result has 278 places, 283 transitions, 698 flow [2022-11-18 19:44:38,019 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=678, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=281, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=698, PETRI_PLACES=278, PETRI_TRANSITIONS=283} [2022-11-18 19:44:38,019 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, -2 predicate places. [2022-11-18 19:44:38,019 INFO L495 AbstractCegarLoop]: Abstraction has has 278 places, 283 transitions, 698 flow [2022-11-18 19:44:38,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 273.0) internal successors, (819), 3 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:38,020 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:44:38,020 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] [2022-11-18 19:44:38,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 19:44:38,021 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-18 19:44:38,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:38,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1911900414, now seen corresponding path program 1 times [2022-11-18 19:44:38,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:38,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336287473] [2022-11-18 19:44:38,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:38,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:38,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:38,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:44:38,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:38,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336287473] [2022-11-18 19:44:38,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336287473] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:38,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:38,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:44:38,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566037059] [2022-11-18 19:44:38,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:38,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:44:38,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:38,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:44:38,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:44:38,136 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 298 [2022-11-18 19:44:38,137 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 283 transitions, 698 flow. Second operand has 3 states, 3 states have (on average 278.0) internal successors, (834), 3 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:38,137 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:44:38,137 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 298 [2022-11-18 19:44:38,138 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:44:41,693 INFO L130 PetriNetUnfolder]: 1818/22599 cut-off events. [2022-11-18 19:44:41,693 INFO L131 PetriNetUnfolder]: For 236/273 co-relation queries the response was YES. [2022-11-18 19:44:41,782 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28123 conditions, 22599 events. 1818/22599 cut-off events. For 236/273 co-relation queries the response was YES. Maximal size of possible extension queue 431. Compared 306768 event pairs, 284 based on Foata normal form. 0/19223 useless extension candidates. Maximal degree in co-relation 27383. Up to 930 conditions per place. [2022-11-18 19:44:41,848 INFO L137 encePairwiseOnDemand]: 295/298 looper letters, 19 selfloop transitions, 2 changer transitions 0/291 dead transitions. [2022-11-18 19:44:41,849 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 291 transitions, 758 flow [2022-11-18 19:44:41,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:44:41,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:44:41,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 850 transitions. [2022-11-18 19:44:41,851 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9507829977628636 [2022-11-18 19:44:41,851 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 850 transitions. [2022-11-18 19:44:41,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 850 transitions. [2022-11-18 19:44:41,852 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:44:41,852 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 850 transitions. [2022-11-18 19:44:41,854 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 283.3333333333333) internal successors, (850), 3 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:41,857 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:41,857 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:41,857 INFO L175 Difference]: Start difference. First operand has 278 places, 283 transitions, 698 flow. Second operand 3 states and 850 transitions. [2022-11-18 19:44:41,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 291 transitions, 758 flow [2022-11-18 19:44:41,863 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 291 transitions, 754 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 19:44:41,866 INFO L231 Difference]: Finished difference. Result has 280 places, 284 transitions, 706 flow [2022-11-18 19:44:41,867 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=694, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=706, PETRI_PLACES=280, PETRI_TRANSITIONS=284} [2022-11-18 19:44:41,867 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, 0 predicate places. [2022-11-18 19:44:41,868 INFO L495 AbstractCegarLoop]: Abstraction has has 280 places, 284 transitions, 706 flow [2022-11-18 19:44:41,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 278.0) internal successors, (834), 3 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:41,868 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:44:41,868 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] [2022-11-18 19:44:41,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-18 19:44:41,869 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting t1Err5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-18 19:44:41,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:41,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1136562107, now seen corresponding path program 1 times [2022-11-18 19:44:41,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:41,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643006817] [2022-11-18 19:44:41,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:41,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:41,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:44:41,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:41,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643006817] [2022-11-18 19:44:41,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643006817] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:41,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:41,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:44:41,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335531097] [2022-11-18 19:44:41,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:41,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:44:41,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:41,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:44:41,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:44:41,929 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 298 [2022-11-18 19:44:41,930 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 284 transitions, 706 flow. Second operand has 3 states, 3 states have (on average 279.0) internal successors, (837), 3 states have internal predecessors, (837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:41,930 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:44:41,930 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 298 [2022-11-18 19:44:41,930 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:44:42,550 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([789] L696-6-->L696-7: Formula: (= |v_#race~buffer_size~0_16| 0) InVars {} OutVars{#race~buffer_size~0=|v_#race~buffer_size~0_16|} AuxVars[] AssignedVars[#race~buffer_size~0][235], [Black: 350#true, 220#L696-7true, t2Thread1of1ForFork0InUse, Black: 321#true, Black: 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), Black: 327#true, Black: 303#true, Black: 337#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 347#(= |#race~buffer_size~0| 0), Black: 336#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 338#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 335#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), 198#L708-3true, 64#L764-4true, 360#true, Black: 345#true, 333#true, 355#true]) [2022-11-18 19:44:42,550 INFO L383 tUnfolder$Statistics]: this new event has 165 ancestors and is cut-off event [2022-11-18 19:44:42,551 INFO L386 tUnfolder$Statistics]: existing Event has 157 ancestors and is cut-off event [2022-11-18 19:44:42,551 INFO L386 tUnfolder$Statistics]: existing Event has 123 ancestors and is cut-off event [2022-11-18 19:44:42,551 INFO L386 tUnfolder$Statistics]: existing Event has 160 ancestors and is cut-off event [2022-11-18 19:44:45,630 INFO L130 PetriNetUnfolder]: 1831/23988 cut-off events. [2022-11-18 19:44:45,630 INFO L131 PetriNetUnfolder]: For 120/158 co-relation queries the response was YES. [2022-11-18 19:44:45,735 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29302 conditions, 23988 events. 1831/23988 cut-off events. For 120/158 co-relation queries the response was YES. Maximal size of possible extension queue 430. Compared 328234 event pairs, 297 based on Foata normal form. 0/20591 useless extension candidates. Maximal degree in co-relation 20314. Up to 892 conditions per place. [2022-11-18 19:44:45,796 INFO L137 encePairwiseOnDemand]: 294/298 looper letters, 11 selfloop transitions, 3 changer transitions 0/286 dead transitions. [2022-11-18 19:44:45,796 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 286 transitions, 740 flow [2022-11-18 19:44:45,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:44:45,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:44:45,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 846 transitions. [2022-11-18 19:44:45,800 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9463087248322147 [2022-11-18 19:44:45,800 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 846 transitions. [2022-11-18 19:44:45,800 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 846 transitions. [2022-11-18 19:44:45,800 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:44:45,801 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 846 transitions. [2022-11-18 19:44:45,802 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 282.0) internal successors, (846), 3 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:45,805 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:45,805 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:45,806 INFO L175 Difference]: Start difference. First operand has 280 places, 284 transitions, 706 flow. Second operand 3 states and 846 transitions. [2022-11-18 19:44:45,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 286 transitions, 740 flow [2022-11-18 19:44:45,811 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 286 transitions, 738 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 19:44:45,818 INFO L231 Difference]: Finished difference. Result has 283 places, 285 transitions, 722 flow [2022-11-18 19:44:45,819 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=704, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=722, PETRI_PLACES=283, PETRI_TRANSITIONS=285} [2022-11-18 19:44:45,819 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, 3 predicate places. [2022-11-18 19:44:45,820 INFO L495 AbstractCegarLoop]: Abstraction has has 283 places, 285 transitions, 722 flow [2022-11-18 19:44:45,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 279.0) internal successors, (837), 3 states have internal predecessors, (837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:45,821 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:44:45,821 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] [2022-11-18 19:44:45,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-18 19:44:45,822 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting t2Err8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-18 19:44:45,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:45,822 INFO L85 PathProgramCache]: Analyzing trace with hash 311956383, now seen corresponding path program 1 times [2022-11-18 19:44:45,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:45,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432520376] [2022-11-18 19:44:45,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:45,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:45,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:45,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:44:45,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:45,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432520376] [2022-11-18 19:44:45,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432520376] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:45,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:45,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:44:45,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986754992] [2022-11-18 19:44:45,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:45,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:44:45,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:45,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:44:45,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:44:45,889 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 280 out of 298 [2022-11-18 19:44:45,890 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 285 transitions, 722 flow. Second operand has 3 states, 3 states have (on average 281.3333333333333) internal successors, (844), 3 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:45,890 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:44:45,890 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 280 of 298 [2022-11-18 19:44:45,891 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:44:53,765 INFO L130 PetriNetUnfolder]: 4625/48130 cut-off events. [2022-11-18 19:44:53,765 INFO L131 PetriNetUnfolder]: For 614/705 co-relation queries the response was YES. [2022-11-18 19:44:54,009 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61116 conditions, 48130 events. 4625/48130 cut-off events. For 614/705 co-relation queries the response was YES. Maximal size of possible extension queue 885. Compared 758423 event pairs, 730 based on Foata normal form. 0/41639 useless extension candidates. Maximal degree in co-relation 51836. Up to 1766 conditions per place. [2022-11-18 19:44:54,133 INFO L137 encePairwiseOnDemand]: 294/298 looper letters, 12 selfloop transitions, 3 changer transitions 0/291 dead transitions. [2022-11-18 19:44:54,134 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 291 transitions, 765 flow [2022-11-18 19:44:54,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:44:54,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:44:54,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 856 transitions. [2022-11-18 19:44:54,137 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9574944071588367 [2022-11-18 19:44:54,137 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 856 transitions. [2022-11-18 19:44:54,137 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 856 transitions. [2022-11-18 19:44:54,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:44:54,138 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 856 transitions. [2022-11-18 19:44:54,141 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 285.3333333333333) internal successors, (856), 3 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:54,143 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:54,144 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:54,144 INFO L175 Difference]: Start difference. First operand has 283 places, 285 transitions, 722 flow. Second operand 3 states and 856 transitions. [2022-11-18 19:44:54,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 291 transitions, 765 flow [2022-11-18 19:44:54,191 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 291 transitions, 759 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:44:54,195 INFO L231 Difference]: Finished difference. Result has 285 places, 288 transitions, 742 flow [2022-11-18 19:44:54,195 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=716, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=742, PETRI_PLACES=285, PETRI_TRANSITIONS=288} [2022-11-18 19:44:54,196 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, 5 predicate places. [2022-11-18 19:44:54,196 INFO L495 AbstractCegarLoop]: Abstraction has has 285 places, 288 transitions, 742 flow [2022-11-18 19:44:54,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 281.3333333333333) internal successors, (844), 3 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:54,197 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:44:54,197 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:44:54,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-18 19:44:54,198 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting t2Err5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-18 19:44:54,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:54,198 INFO L85 PathProgramCache]: Analyzing trace with hash 228271080, now seen corresponding path program 1 times [2022-11-18 19:44:54,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:54,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51468500] [2022-11-18 19:44:54,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:54,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:54,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:54,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:44:54,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:54,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51468500] [2022-11-18 19:44:54,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51468500] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:54,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:54,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:44:54,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923244329] [2022-11-18 19:44:54,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:54,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:44:54,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:54,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:44:54,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:44:54,263 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 298 [2022-11-18 19:44:54,265 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 288 transitions, 742 flow. Second operand has 3 states, 3 states have (on average 279.3333333333333) internal successors, (838), 3 states have internal predecessors, (838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:44:54,265 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:44:54,265 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 298 [2022-11-18 19:44:54,265 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:45:01,311 INFO L130 PetriNetUnfolder]: 3825/42619 cut-off events. [2022-11-18 19:45:01,311 INFO L131 PetriNetUnfolder]: For 1144/1230 co-relation queries the response was YES. [2022-11-18 19:45:01,513 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56813 conditions, 42619 events. 3825/42619 cut-off events. For 1144/1230 co-relation queries the response was YES. Maximal size of possible extension queue 795. Compared 668703 event pairs, 760 based on Foata normal form. 0/37208 useless extension candidates. Maximal degree in co-relation 56714. Up to 2540 conditions per place. [2022-11-18 19:45:01,606 INFO L137 encePairwiseOnDemand]: 294/298 looper letters, 11 selfloop transitions, 3 changer transitions 0/289 dead transitions. [2022-11-18 19:45:01,607 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 289 transitions, 771 flow [2022-11-18 19:45:01,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:45:01,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:45:01,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 846 transitions. [2022-11-18 19:45:01,609 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9463087248322147 [2022-11-18 19:45:01,609 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 846 transitions. [2022-11-18 19:45:01,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 846 transitions. [2022-11-18 19:45:01,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:45:01,610 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 846 transitions. [2022-11-18 19:45:01,612 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 282.0) internal successors, (846), 3 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:01,614 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:01,615 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:01,615 INFO L175 Difference]: Start difference. First operand has 285 places, 288 transitions, 742 flow. Second operand 3 states and 846 transitions. [2022-11-18 19:45:01,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 289 transitions, 771 flow [2022-11-18 19:45:01,640 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 289 transitions, 763 flow, removed 1 selfloop flow, removed 2 redundant places. [2022-11-18 19:45:01,644 INFO L231 Difference]: Finished difference. Result has 287 places, 288 transitions, 748 flow [2022-11-18 19:45:01,645 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=730, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=748, PETRI_PLACES=287, PETRI_TRANSITIONS=288} [2022-11-18 19:45:01,645 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, 7 predicate places. [2022-11-18 19:45:01,646 INFO L495 AbstractCegarLoop]: Abstraction has has 287 places, 288 transitions, 748 flow [2022-11-18 19:45:01,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 279.3333333333333) internal successors, (838), 3 states have internal predecessors, (838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:01,646 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:45:01,646 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] [2022-11-18 19:45:01,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-18 19:45:01,647 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting t1Err5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-18 19:45:01,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:45:01,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1787349297, now seen corresponding path program 1 times [2022-11-18 19:45:01,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:45:01,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498536820] [2022-11-18 19:45:01,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:45:01,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:45:01,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:02,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:45:02,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:45:02,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498536820] [2022-11-18 19:45:02,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498536820] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:45:02,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:45:02,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:45:02,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888293168] [2022-11-18 19:45:02,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:45:02,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:45:02,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:45:02,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:45:02,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:45:02,083 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 298 [2022-11-18 19:45:02,084 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 288 transitions, 748 flow. Second operand has 3 states, 3 states have (on average 257.0) internal successors, (771), 3 states have internal predecessors, (771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:02,084 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:45:02,085 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 298 [2022-11-18 19:45:02,085 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:45:03,858 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([764] L746-->L746-1: Formula: (= |v_#race~receive~0_7| 0) InVars {} OutVars{#race~receive~0=|v_#race~receive~0_7|} AuxVars[] AssignedVars[#race~receive~0][108], [350#true, 378#true, t2Thread1of1ForFork0InUse, Black: 323#(= |#race~send~0| 0), 107#L734-3true, Black: 327#true, Black: 362#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), 260#L746-1true, Black: 368#(= |#race~value~0| 0), Black: 303#true, 347#(= |#race~buffer_size~0| 0), Black: 337#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 336#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 338#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 335#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), 372#true, Black: 374#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), 64#L764-4true, 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), Black: 345#true, 333#true]) [2022-11-18 19:45:03,858 INFO L383 tUnfolder$Statistics]: this new event has 162 ancestors and is cut-off event [2022-11-18 19:45:03,858 INFO L386 tUnfolder$Statistics]: existing Event has 135 ancestors and is cut-off event [2022-11-18 19:45:03,858 INFO L386 tUnfolder$Statistics]: existing Event has 125 ancestors and is cut-off event [2022-11-18 19:45:03,858 INFO L386 tUnfolder$Statistics]: existing Event has 149 ancestors and is cut-off event [2022-11-18 19:45:04,338 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([764] L746-->L746-1: Formula: (= |v_#race~receive~0_7| 0) InVars {} OutVars{#race~receive~0=|v_#race~receive~0_7|} AuxVars[] AssignedVars[#race~receive~0][108], [350#true, 378#true, t2Thread1of1ForFork0InUse, Black: 323#(= |#race~send~0| 0), Black: 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), 107#L734-3true, Black: 362#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 327#true, 260#L746-1true, Black: 368#(= |#race~value~0| 0), Black: 303#true, Black: 337#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 347#(= |#race~buffer_size~0| 0), Black: 336#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 338#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 335#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), 372#true, Black: 374#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), 64#L764-4true, Black: 345#true, 333#true]) [2022-11-18 19:45:04,338 INFO L383 tUnfolder$Statistics]: this new event has 172 ancestors and is cut-off event [2022-11-18 19:45:04,338 INFO L386 tUnfolder$Statistics]: existing Event has 135 ancestors and is cut-off event [2022-11-18 19:45:04,338 INFO L386 tUnfolder$Statistics]: existing Event has 145 ancestors and is cut-off event [2022-11-18 19:45:04,338 INFO L386 tUnfolder$Statistics]: existing Event has 159 ancestors and is cut-off event [2022-11-18 19:45:09,356 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([803] L748-5-->L748-6: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][175], [Black: 350#true, 378#true, t2Thread1of1ForFork0InUse, Black: 321#true, 166#L765-2true, Black: 327#true, Black: 362#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), 17#L748-6true, Black: 366#true, Black: 303#true, Black: 337#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 347#(= |#race~buffer_size~0| 0), Black: 336#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 338#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 372#true, Black: 333#true, Black: 374#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), 76#L732-2true, 335#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), Black: 345#true]) [2022-11-18 19:45:09,356 INFO L383 tUnfolder$Statistics]: this new event has 192 ancestors and is cut-off event [2022-11-18 19:45:09,356 INFO L386 tUnfolder$Statistics]: existing Event has 179 ancestors and is cut-off event [2022-11-18 19:45:09,359 INFO L386 tUnfolder$Statistics]: existing Event has 155 ancestors and is cut-off event [2022-11-18 19:45:09,359 INFO L386 tUnfolder$Statistics]: existing Event has 177 ancestors and is cut-off event [2022-11-18 19:45:09,631 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([803] L748-5-->L748-6: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][175], [336#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 350#true, t2Thread1of1ForFork0InUse, 378#true, Black: 321#true, 191#L765-3true, Black: 327#true, Black: 362#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), 17#L748-6true, Black: 366#true, Black: 303#true, 347#(= |#race~buffer_size~0| 0), Black: 337#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 338#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 335#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), 372#true, Black: 333#true, Black: 374#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), 76#L732-2true, 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), Black: 345#true]) [2022-11-18 19:45:09,631 INFO L383 tUnfolder$Statistics]: this new event has 193 ancestors and is cut-off event [2022-11-18 19:45:09,631 INFO L386 tUnfolder$Statistics]: existing Event has 180 ancestors and is cut-off event [2022-11-18 19:45:09,631 INFO L386 tUnfolder$Statistics]: existing Event has 156 ancestors and is cut-off event [2022-11-18 19:45:09,631 INFO L386 tUnfolder$Statistics]: existing Event has 178 ancestors and is cut-off event [2022-11-18 19:45:09,887 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([803] L748-5-->L748-6: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][175], [Black: 350#true, t2Thread1of1ForFork0InUse, 378#true, Black: 321#true, 73#L765-4true, Black: 327#true, Black: 362#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), 337#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 17#L748-6true, Black: 366#true, Black: 303#true, 347#(= |#race~buffer_size~0| 0), Black: 336#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 338#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 335#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), 372#true, Black: 333#true, Black: 374#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), 76#L732-2true, 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), Black: 345#true]) [2022-11-18 19:45:09,888 INFO L383 tUnfolder$Statistics]: this new event has 194 ancestors and is cut-off event [2022-11-18 19:45:09,888 INFO L386 tUnfolder$Statistics]: existing Event has 181 ancestors and is cut-off event [2022-11-18 19:45:09,888 INFO L386 tUnfolder$Statistics]: existing Event has 157 ancestors and is cut-off event [2022-11-18 19:45:09,888 INFO L386 tUnfolder$Statistics]: existing Event has 179 ancestors and is cut-off event [2022-11-18 19:45:10,134 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([803] L748-5-->L748-6: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][175], [Black: 350#true, 338#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 378#true, t2Thread1of1ForFork0InUse, Black: 321#true, Black: 362#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 327#true, 17#L748-6true, Black: 303#true, Black: 366#true, 347#(= |#race~buffer_size~0| 0), Black: 337#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 336#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 335#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), 372#true, 28#L765-5true, Black: 333#true, Black: 374#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), 76#L732-2true, 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), Black: 345#true]) [2022-11-18 19:45:10,134 INFO L383 tUnfolder$Statistics]: this new event has 195 ancestors and is cut-off event [2022-11-18 19:45:10,134 INFO L386 tUnfolder$Statistics]: existing Event has 182 ancestors and is cut-off event [2022-11-18 19:45:10,134 INFO L386 tUnfolder$Statistics]: existing Event has 158 ancestors and is cut-off event [2022-11-18 19:45:10,134 INFO L386 tUnfolder$Statistics]: existing Event has 180 ancestors and is cut-off event [2022-11-18 19:45:12,727 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([803] L748-5-->L748-6: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][175], [Black: 350#true, 378#true, t2Thread1of1ForFork0InUse, Black: 321#true, Black: 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), 166#L765-2true, Black: 327#true, Black: 362#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), 17#L748-6true, Black: 303#true, Black: 366#true, Black: 337#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 347#(= |#race~buffer_size~0| 0), Black: 336#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 338#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 372#true, Black: 333#true, 76#L732-2true, 335#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), Black: 374#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), Black: 345#true]) [2022-11-18 19:45:12,727 INFO L383 tUnfolder$Statistics]: this new event has 202 ancestors and is cut-off event [2022-11-18 19:45:12,727 INFO L386 tUnfolder$Statistics]: existing Event has 189 ancestors and is cut-off event [2022-11-18 19:45:12,727 INFO L386 tUnfolder$Statistics]: existing Event has 187 ancestors and is cut-off event [2022-11-18 19:45:12,727 INFO L386 tUnfolder$Statistics]: existing Event has 165 ancestors and is cut-off event [2022-11-18 19:45:13,038 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([803] L748-5-->L748-6: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][175], [336#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 350#true, 378#true, t2Thread1of1ForFork0InUse, Black: 321#true, Black: 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), 191#L765-3true, Black: 327#true, Black: 362#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), 17#L748-6true, Black: 366#true, Black: 303#true, 347#(= |#race~buffer_size~0| 0), Black: 337#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 338#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 335#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), 372#true, Black: 333#true, Black: 374#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), 76#L732-2true, Black: 345#true]) [2022-11-18 19:45:13,039 INFO L383 tUnfolder$Statistics]: this new event has 203 ancestors and is cut-off event [2022-11-18 19:45:13,039 INFO L386 tUnfolder$Statistics]: existing Event has 188 ancestors and is cut-off event [2022-11-18 19:45:13,039 INFO L386 tUnfolder$Statistics]: existing Event has 166 ancestors and is cut-off event [2022-11-18 19:45:13,039 INFO L386 tUnfolder$Statistics]: existing Event has 190 ancestors and is cut-off event [2022-11-18 19:45:13,361 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([803] L748-5-->L748-6: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][175], [Black: 350#true, 378#true, t2Thread1of1ForFork0InUse, Black: 321#true, Black: 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), 73#L765-4true, Black: 327#true, Black: 362#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), 337#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 17#L748-6true, Black: 303#true, Black: 366#true, 347#(= |#race~buffer_size~0| 0), Black: 336#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 338#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 335#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), 372#true, Black: 333#true, Black: 374#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), 76#L732-2true, Black: 345#true]) [2022-11-18 19:45:13,361 INFO L383 tUnfolder$Statistics]: this new event has 204 ancestors and is cut-off event [2022-11-18 19:45:13,361 INFO L386 tUnfolder$Statistics]: existing Event has 191 ancestors and is cut-off event [2022-11-18 19:45:13,361 INFO L386 tUnfolder$Statistics]: existing Event has 167 ancestors and is cut-off event [2022-11-18 19:45:13,361 INFO L386 tUnfolder$Statistics]: existing Event has 189 ancestors and is cut-off event [2022-11-18 19:45:13,690 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([803] L748-5-->L748-6: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][175], [Black: 350#true, 338#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 378#true, t2Thread1of1ForFork0InUse, Black: 321#true, Black: 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), Black: 327#true, Black: 362#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), 17#L748-6true, Black: 303#true, Black: 366#true, 347#(= |#race~buffer_size~0| 0), Black: 337#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 336#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 335#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), 372#true, Black: 333#true, 28#L765-5true, 76#L732-2true, Black: 374#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), Black: 345#true]) [2022-11-18 19:45:13,691 INFO L383 tUnfolder$Statistics]: this new event has 205 ancestors and is cut-off event [2022-11-18 19:45:13,691 INFO L386 tUnfolder$Statistics]: existing Event has 192 ancestors and is cut-off event [2022-11-18 19:45:13,691 INFO L386 tUnfolder$Statistics]: existing Event has 190 ancestors and is cut-off event [2022-11-18 19:45:13,691 INFO L386 tUnfolder$Statistics]: existing Event has 168 ancestors and is cut-off event