./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c --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_26265827-e0da-4bab-aa0d-73425c377956/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26265827-e0da-4bab-aa0d-73425c377956/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_26265827-e0da-4bab-aa0d-73425c377956/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26265827-e0da-4bab-aa0d-73425c377956/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26265827-e0da-4bab-aa0d-73425c377956/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_26265827-e0da-4bab-aa0d-73425c377956/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 846c6ea342419c7ea85c72de8af40f1cf8af72c22131b8a3f2ebdacec113c699 --- 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 18:46:03,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 18:46:03,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 18:46:03,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 18:46:03,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 18:46:03,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 18:46:03,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 18:46:03,200 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 18:46:03,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 18:46:03,209 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 18:46:03,210 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 18:46:03,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 18:46:03,213 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 18:46:03,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 18:46:03,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 18:46:03,220 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 18:46:03,223 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 18:46:03,224 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 18:46:03,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 18:46:03,231 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 18:46:03,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 18:46:03,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 18:46:03,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 18:46:03,244 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 18:46:03,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 18:46:03,253 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 18:46:03,254 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 18:46:03,255 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 18:46:03,255 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 18:46:03,256 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 18:46:03,256 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 18:46:03,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 18:46:03,258 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 18:46:03,259 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 18:46:03,260 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 18:46:03,262 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 18:46:03,263 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 18:46:03,263 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 18:46:03,264 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 18:46:03,265 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 18:46:03,266 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 18:46:03,267 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26265827-e0da-4bab-aa0d-73425c377956/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-18 18:46:03,302 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 18:46:03,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 18:46:03,303 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 18:46:03,303 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 18:46:03,315 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 18:46:03,316 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 18:46:03,316 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 18:46:03,316 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 18:46:03,317 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 18:46:03,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 18:46:03,317 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 18:46:03,317 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 18:46:03,317 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 18:46:03,318 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 18:46:03,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 18:46:03,318 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 18:46:03,318 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 18:46:03,318 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 18:46:03,319 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-18 18:46:03,319 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 18:46:03,319 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 18:46:03,319 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 18:46:03,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 18:46:03,320 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 18:46:03,320 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 18:46:03,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 18:46:03,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:46:03,322 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 18:46:03,322 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 18:46:03,322 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 18:46:03,322 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 18:46:03,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 18:46:03,323 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 18:46:03,323 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 18:46:03,323 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 18:46:03,324 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_26265827-e0da-4bab-aa0d-73425c377956/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26265827-e0da-4bab-aa0d-73425c377956/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 846c6ea342419c7ea85c72de8af40f1cf8af72c22131b8a3f2ebdacec113c699 [2022-11-18 18:46:03,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 18:46:03,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 18:46:03,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 18:46:03,684 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 18:46:03,685 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 18:46:03,686 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26265827-e0da-4bab-aa0d-73425c377956/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c [2022-11-18 18:46:03,761 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26265827-e0da-4bab-aa0d-73425c377956/bin/uautomizer-TMbwUNV5ro/data/4c9a484cf/a3ef72572ab7497b9de4f4e5374ec332/FLAG049024d6a [2022-11-18 18:46:04,215 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 18:46:04,216 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26265827-e0da-4bab-aa0d-73425c377956/sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c [2022-11-18 18:46:04,225 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26265827-e0da-4bab-aa0d-73425c377956/bin/uautomizer-TMbwUNV5ro/data/4c9a484cf/a3ef72572ab7497b9de4f4e5374ec332/FLAG049024d6a [2022-11-18 18:46:04,589 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26265827-e0da-4bab-aa0d-73425c377956/bin/uautomizer-TMbwUNV5ro/data/4c9a484cf/a3ef72572ab7497b9de4f4e5374ec332 [2022-11-18 18:46:04,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 18:46:04,593 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 18:46:04,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 18:46:04,595 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 18:46:04,598 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 18:46:04,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:46:04" (1/1) ... [2022-11-18 18:46:04,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@249604b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:46:04, skipping insertion in model container [2022-11-18 18:46:04,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:46:04" (1/1) ... [2022-11-18 18:46:04,607 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 18:46:04,621 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:46:04,817 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_26265827-e0da-4bab-aa0d-73425c377956/sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c[2495,2508] [2022-11-18 18:46:04,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:46:04,829 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 18:46:04,855 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_26265827-e0da-4bab-aa0d-73425c377956/sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c[2495,2508] [2022-11-18 18:46:04,858 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:46:04,871 INFO L208 MainTranslator]: Completed translation [2022-11-18 18:46:04,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:46:04 WrapperNode [2022-11-18 18:46:04,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 18:46:04,873 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 18:46:04,873 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 18:46:04,874 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 18:46:04,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:46:04" (1/1) ... [2022-11-18 18:46:04,889 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:46:04" (1/1) ... [2022-11-18 18:46:04,918 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 240 [2022-11-18 18:46:04,919 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 18:46:04,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 18:46:04,920 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 18:46:04,920 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 18:46:04,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:46:04" (1/1) ... [2022-11-18 18:46:04,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:46:04" (1/1) ... [2022-11-18 18:46:04,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:46:04" (1/1) ... [2022-11-18 18:46:04,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:46:04" (1/1) ... [2022-11-18 18:46:04,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:46:04" (1/1) ... [2022-11-18 18:46:04,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:46:04" (1/1) ... [2022-11-18 18:46:04,964 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:46:04" (1/1) ... [2022-11-18 18:46:04,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:46:04" (1/1) ... [2022-11-18 18:46:04,968 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 18:46:04,969 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 18:46:04,969 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 18:46:04,978 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 18:46:04,979 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:46:04" (1/1) ... [2022-11-18 18:46:04,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:46:04,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26265827-e0da-4bab-aa0d-73425c377956/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:46:05,010 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26265827-e0da-4bab-aa0d-73425c377956/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 18:46:05,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26265827-e0da-4bab-aa0d-73425c377956/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 18:46:05,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 18:46:05,051 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-18 18:46:05,051 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-18 18:46:05,051 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-18 18:46:05,051 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-18 18:46:05,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 18:46:05,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 18:46:05,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 18:46:05,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 18:46:05,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 18:46:05,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 18:46:05,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 18:46:05,054 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 18:46:05,183 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 18:46:05,185 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 18:46:05,724 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 18:46:05,737 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 18:46:05,737 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 18:46:05,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:46:05 BoogieIcfgContainer [2022-11-18 18:46:05,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 18:46:05,743 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 18:46:05,743 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 18:46:05,750 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 18:46:05,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:46:04" (1/3) ... [2022-11-18 18:46:05,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e602de7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:46:05, skipping insertion in model container [2022-11-18 18:46:05,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:46:04" (2/3) ... [2022-11-18 18:46:05,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e602de7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:46:05, skipping insertion in model container [2022-11-18 18:46:05,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:46:05" (3/3) ... [2022-11-18 18:46:05,754 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-file-item-symm.wvr.c [2022-11-18 18:46:05,764 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 18:46:05,775 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 18:46:05,775 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-11-18 18:46:05,776 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 18:46:05,925 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-18 18:46:05,974 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 311 places, 322 transitions, 660 flow [2022-11-18 18:46:06,113 INFO L130 PetriNetUnfolder]: 18/320 cut-off events. [2022-11-18 18:46:06,113 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-18 18:46:06,121 INFO L83 FinitePrefix]: Finished finitePrefix Result has 329 conditions, 320 events. 18/320 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 653 event pairs, 0 based on Foata normal form. 0/270 useless extension candidates. Maximal degree in co-relation 177. Up to 2 conditions per place. [2022-11-18 18:46:06,121 INFO L82 GeneralOperation]: Start removeDead. Operand has 311 places, 322 transitions, 660 flow [2022-11-18 18:46:06,129 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 290 places, 299 transitions, 610 flow [2022-11-18 18:46:06,139 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 18:46:06,145 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;@1684f44d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 18:46:06,146 INFO L358 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2022-11-18 18:46:06,152 INFO L130 PetriNetUnfolder]: 0/26 cut-off events. [2022-11-18 18:46:06,152 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 18:46:06,152 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:46:06,153 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] [2022-11-18 18:46:06,153 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-11-18 18:46:06,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:06,158 INFO L85 PathProgramCache]: Analyzing trace with hash 256179703, now seen corresponding path program 1 times [2022-11-18 18:46:06,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:46:06,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185316375] [2022-11-18 18:46:06,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:06,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:46:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:06,368 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 18:46:06,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:46:06,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185316375] [2022-11-18 18:46:06,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185316375] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:46:06,370 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:46:06,370 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:46:06,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319445784] [2022-11-18 18:46:06,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:46:06,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:46:06,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:46:06,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:46:06,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:46:06,439 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 322 [2022-11-18 18:46:06,444 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 299 transitions, 610 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 0 states 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 18:46:06,445 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:46:06,445 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 322 [2022-11-18 18:46:06,446 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:46:06,698 INFO L130 PetriNetUnfolder]: 34/629 cut-off events. [2022-11-18 18:46:06,698 INFO L131 PetriNetUnfolder]: For 36/37 co-relation queries the response was YES. [2022-11-18 18:46:06,706 INFO L83 FinitePrefix]: Finished finitePrefix Result has 703 conditions, 629 events. 34/629 cut-off events. For 36/37 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2707 event pairs, 15 based on Foata normal form. 18/555 useless extension candidates. Maximal degree in co-relation 485. Up to 49 conditions per place. [2022-11-18 18:46:06,710 INFO L137 encePairwiseOnDemand]: 313/322 looper letters, 13 selfloop transitions, 2 changer transitions 2/292 dead transitions. [2022-11-18 18:46:06,711 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 292 transitions, 626 flow [2022-11-18 18:46:06,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:46:06,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:46:06,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 916 transitions. [2022-11-18 18:46:06,737 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.94824016563147 [2022-11-18 18:46:06,738 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 916 transitions. [2022-11-18 18:46:06,739 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 916 transitions. [2022-11-18 18:46:06,746 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:46:06,749 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 916 transitions. [2022-11-18 18:46:06,756 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 305.3333333333333) internal successors, (916), 3 states have internal predecessors, (916), 0 states have call successors, (0), 0 states 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 18:46:06,766 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states 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 18:46:06,767 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states 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 18:46:06,769 INFO L175 Difference]: Start difference. First operand has 290 places, 299 transitions, 610 flow. Second operand 3 states and 916 transitions. [2022-11-18 18:46:06,771 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 292 transitions, 626 flow [2022-11-18 18:46:06,778 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 287 places, 292 transitions, 618 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 18:46:06,787 INFO L231 Difference]: Finished difference. Result has 287 places, 290 transitions, 588 flow [2022-11-18 18:46:06,790 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=588, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=588, PETRI_PLACES=287, PETRI_TRANSITIONS=290} [2022-11-18 18:46:06,794 INFO L288 CegarLoopForPetriNet]: 290 programPoint places, -3 predicate places. [2022-11-18 18:46:06,794 INFO L495 AbstractCegarLoop]: Abstraction has has 287 places, 290 transitions, 588 flow [2022-11-18 18:46:06,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 0 states 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 18:46:06,795 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:46:06,796 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:46:06,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 18:46:06,798 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-11-18 18:46:06,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:06,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1762688841, now seen corresponding path program 1 times [2022-11-18 18:46:06,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:46:06,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214549012] [2022-11-18 18:46:06,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:06,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:46:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:06,937 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 18:46:06,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:46:06,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214549012] [2022-11-18 18:46:06,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214549012] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:46:06,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:46:06,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:46:06,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222619528] [2022-11-18 18:46:06,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:46:06,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:46:06,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:46:06,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:46:06,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:46:06,944 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 322 [2022-11-18 18:46:06,946 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 290 transitions, 588 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 0 states 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 18:46:06,946 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:46:06,947 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 322 [2022-11-18 18:46:06,947 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:46:07,109 INFO L130 PetriNetUnfolder]: 34/629 cut-off events. [2022-11-18 18:46:07,110 INFO L131 PetriNetUnfolder]: For 10/11 co-relation queries the response was YES. [2022-11-18 18:46:07,113 INFO L83 FinitePrefix]: Finished finitePrefix Result has 689 conditions, 629 events. 34/629 cut-off events. For 10/11 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2709 event pairs, 15 based on Foata normal form. 0/539 useless extension candidates. Maximal degree in co-relation 654. Up to 49 conditions per place. [2022-11-18 18:46:07,116 INFO L137 encePairwiseOnDemand]: 319/322 looper letters, 13 selfloop transitions, 2 changer transitions 0/289 dead transitions. [2022-11-18 18:46:07,117 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 289 transitions, 616 flow [2022-11-18 18:46:07,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:46:07,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:46:07,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 910 transitions. [2022-11-18 18:46:07,119 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9420289855072463 [2022-11-18 18:46:07,120 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 910 transitions. [2022-11-18 18:46:07,120 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 910 transitions. [2022-11-18 18:46:07,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:46:07,121 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 910 transitions. [2022-11-18 18:46:07,123 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 0 states have call successors, (0), 0 states 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 18:46:07,125 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states 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 18:46:07,126 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states 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 18:46:07,127 INFO L175 Difference]: Start difference. First operand has 287 places, 290 transitions, 588 flow. Second operand 3 states and 910 transitions. [2022-11-18 18:46:07,127 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 289 transitions, 616 flow [2022-11-18 18:46:07,130 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 289 transitions, 612 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:46:07,136 INFO L231 Difference]: Finished difference. Result has 284 places, 289 transitions, 586 flow [2022-11-18 18:46:07,136 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=582, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=586, PETRI_PLACES=284, PETRI_TRANSITIONS=289} [2022-11-18 18:46:07,137 INFO L288 CegarLoopForPetriNet]: 290 programPoint places, -6 predicate places. [2022-11-18 18:46:07,137 INFO L495 AbstractCegarLoop]: Abstraction has has 284 places, 289 transitions, 586 flow [2022-11-18 18:46:07,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 0 states 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 18:46:07,139 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:46:07,139 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] [2022-11-18 18:46:07,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 18:46:07,140 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-11-18 18:46:07,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:07,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1771786282, now seen corresponding path program 1 times [2022-11-18 18:46:07,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:46:07,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291141182] [2022-11-18 18:46:07,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:07,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:46:07,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:07,236 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 18:46:07,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:46:07,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291141182] [2022-11-18 18:46:07,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291141182] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:46:07,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:46:07,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:46:07,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497479620] [2022-11-18 18:46:07,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:46:07,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:46:07,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:46:07,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:46:07,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:46:07,242 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 322 [2022-11-18 18:46:07,247 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 289 transitions, 586 flow. Second operand has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 0 states have call successors, (0), 0 states 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 18:46:07,247 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:46:07,248 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 322 [2022-11-18 18:46:07,248 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:46:07,411 INFO L130 PetriNetUnfolder]: 65/844 cut-off events. [2022-11-18 18:46:07,411 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-11-18 18:46:07,414 INFO L83 FinitePrefix]: Finished finitePrefix Result has 926 conditions, 844 events. 65/844 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 4863 event pairs, 27 based on Foata normal form. 0/686 useless extension candidates. Maximal degree in co-relation 884. Up to 71 conditions per place. [2022-11-18 18:46:07,418 INFO L137 encePairwiseOnDemand]: 319/322 looper letters, 16 selfloop transitions, 2 changer transitions 0/288 dead transitions. [2022-11-18 18:46:07,419 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 288 transitions, 620 flow [2022-11-18 18:46:07,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:46:07,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:46:07,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 904 transitions. [2022-11-18 18:46:07,421 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9358178053830227 [2022-11-18 18:46:07,421 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 904 transitions. [2022-11-18 18:46:07,422 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 904 transitions. [2022-11-18 18:46:07,422 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:46:07,423 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 904 transitions. [2022-11-18 18:46:07,425 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 0 states have call successors, (0), 0 states 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 18:46:07,427 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states 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 18:46:07,428 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states 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 18:46:07,428 INFO L175 Difference]: Start difference. First operand has 284 places, 289 transitions, 586 flow. Second operand 3 states and 904 transitions. [2022-11-18 18:46:07,429 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 288 transitions, 620 flow [2022-11-18 18:46:07,431 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 288 transitions, 616 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:46:07,434 INFO L231 Difference]: Finished difference. Result has 283 places, 288 transitions, 584 flow [2022-11-18 18:46:07,435 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=580, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=584, PETRI_PLACES=283, PETRI_TRANSITIONS=288} [2022-11-18 18:46:07,435 INFO L288 CegarLoopForPetriNet]: 290 programPoint places, -7 predicate places. [2022-11-18 18:46:07,436 INFO L495 AbstractCegarLoop]: Abstraction has has 283 places, 288 transitions, 584 flow [2022-11-18 18:46:07,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 0 states have call successors, (0), 0 states 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 18:46:07,437 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:46:07,437 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:46:07,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 18:46:07,437 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-11-18 18:46:07,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:07,438 INFO L85 PathProgramCache]: Analyzing trace with hash 158111424, now seen corresponding path program 1 times [2022-11-18 18:46:07,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:46:07,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900748197] [2022-11-18 18:46:07,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:07,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:46:07,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:07,499 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 18:46:07,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:46:07,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900748197] [2022-11-18 18:46:07,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900748197] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:46:07,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:46:07,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:46:07,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065043826] [2022-11-18 18:46:07,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:46:07,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:46:07,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:46:07,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:46:07,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:46:07,503 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 322 [2022-11-18 18:46:07,504 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 288 transitions, 584 flow. Second operand has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 0 states have call successors, (0), 0 states 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 18:46:07,504 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:46:07,504 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 322 [2022-11-18 18:46:07,505 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:46:07,667 INFO L130 PetriNetUnfolder]: 69/925 cut-off events. [2022-11-18 18:46:07,667 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-11-18 18:46:07,670 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1010 conditions, 925 events. 69/925 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 5677 event pairs, 27 based on Foata normal form. 0/755 useless extension candidates. Maximal degree in co-relation 962. Up to 71 conditions per place. [2022-11-18 18:46:07,674 INFO L137 encePairwiseOnDemand]: 319/322 looper letters, 16 selfloop transitions, 2 changer transitions 0/287 dead transitions. [2022-11-18 18:46:07,674 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 287 transitions, 618 flow [2022-11-18 18:46:07,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:46:07,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:46:07,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 904 transitions. [2022-11-18 18:46:07,677 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9358178053830227 [2022-11-18 18:46:07,677 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 904 transitions. [2022-11-18 18:46:07,677 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 904 transitions. [2022-11-18 18:46:07,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:46:07,679 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 904 transitions. [2022-11-18 18:46:07,681 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 0 states have call successors, (0), 0 states 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 18:46:07,686 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states 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 18:46:07,687 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states 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 18:46:07,687 INFO L175 Difference]: Start difference. First operand has 283 places, 288 transitions, 584 flow. Second operand 3 states and 904 transitions. [2022-11-18 18:46:07,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 287 transitions, 618 flow [2022-11-18 18:46:07,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 287 transitions, 614 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:46:07,693 INFO L231 Difference]: Finished difference. Result has 282 places, 287 transitions, 582 flow [2022-11-18 18:46:07,695 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=578, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=582, PETRI_PLACES=282, PETRI_TRANSITIONS=287} [2022-11-18 18:46:07,696 INFO L288 CegarLoopForPetriNet]: 290 programPoint places, -8 predicate places. [2022-11-18 18:46:07,697 INFO L495 AbstractCegarLoop]: Abstraction has has 282 places, 287 transitions, 582 flow [2022-11-18 18:46:07,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 0 states have call successors, (0), 0 states 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 18:46:07,702 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:46:07,702 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:46:07,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 18:46:07,702 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-11-18 18:46:07,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:07,703 INFO L85 PathProgramCache]: Analyzing trace with hash 630059981, now seen corresponding path program 1 times [2022-11-18 18:46:07,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:46:07,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360067780] [2022-11-18 18:46:07,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:07,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:46:07,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:07,786 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 18:46:07,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:46:07,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360067780] [2022-11-18 18:46:07,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360067780] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:46:07,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:46:07,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:46:07,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368610844] [2022-11-18 18:46:07,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:46:07,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:46:07,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:46:07,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:46:07,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:46:07,791 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 322 [2022-11-18 18:46:07,793 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 287 transitions, 582 flow. Second operand has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 0 states have call successors, (0), 0 states 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 18:46:07,793 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:46:07,794 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 322 [2022-11-18 18:46:07,794 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:46:07,940 INFO L130 PetriNetUnfolder]: 61/758 cut-off events. [2022-11-18 18:46:07,941 INFO L131 PetriNetUnfolder]: For 16/17 co-relation queries the response was YES. [2022-11-18 18:46:07,944 INFO L83 FinitePrefix]: Finished finitePrefix Result has 848 conditions, 758 events. 61/758 cut-off events. For 16/17 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 4169 event pairs, 27 based on Foata normal form. 0/629 useless extension candidates. Maximal degree in co-relation 794. Up to 79 conditions per place. [2022-11-18 18:46:07,949 INFO L137 encePairwiseOnDemand]: 319/322 looper letters, 16 selfloop transitions, 2 changer transitions 0/286 dead transitions. [2022-11-18 18:46:07,950 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 286 transitions, 616 flow [2022-11-18 18:46:07,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:46:07,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:46:07,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 904 transitions. [2022-11-18 18:46:07,952 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9358178053830227 [2022-11-18 18:46:07,953 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 904 transitions. [2022-11-18 18:46:07,953 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 904 transitions. [2022-11-18 18:46:07,954 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:46:07,954 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 904 transitions. [2022-11-18 18:46:07,956 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 0 states have call successors, (0), 0 states 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 18:46:07,958 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states 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 18:46:07,959 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states 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 18:46:07,959 INFO L175 Difference]: Start difference. First operand has 282 places, 287 transitions, 582 flow. Second operand 3 states and 904 transitions. [2022-11-18 18:46:07,960 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 286 transitions, 616 flow [2022-11-18 18:46:07,962 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 286 transitions, 612 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:46:07,965 INFO L231 Difference]: Finished difference. Result has 281 places, 286 transitions, 580 flow [2022-11-18 18:46:07,966 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=576, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=580, PETRI_PLACES=281, PETRI_TRANSITIONS=286} [2022-11-18 18:46:07,969 INFO L288 CegarLoopForPetriNet]: 290 programPoint places, -9 predicate places. [2022-11-18 18:46:07,969 INFO L495 AbstractCegarLoop]: Abstraction has has 281 places, 286 transitions, 580 flow [2022-11-18 18:46:07,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 0 states have call successors, (0), 0 states 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 18:46:07,970 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:46:07,970 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:46:07,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 18:46:07,971 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-11-18 18:46:07,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:07,972 INFO L85 PathProgramCache]: Analyzing trace with hash 2071424859, now seen corresponding path program 1 times [2022-11-18 18:46:07,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:46:07,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994595023] [2022-11-18 18:46:07,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:07,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:46:08,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:08,059 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 18:46:08,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:46:08,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994595023] [2022-11-18 18:46:08,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994595023] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:46:08,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:46:08,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:46:08,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971498631] [2022-11-18 18:46:08,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:46:08,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:46:08,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:46:08,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:46:08,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:46:08,064 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 322 [2022-11-18 18:46:08,065 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 286 transitions, 580 flow. Second operand has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 0 states have call successors, (0), 0 states 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 18:46:08,065 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:46:08,065 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 322 [2022-11-18 18:46:08,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:46:08,210 INFO L130 PetriNetUnfolder]: 64/907 cut-off events. [2022-11-18 18:46:08,210 INFO L131 PetriNetUnfolder]: For 10/12 co-relation queries the response was YES. [2022-11-18 18:46:08,214 INFO L83 FinitePrefix]: Finished finitePrefix Result has 997 conditions, 907 events. 64/907 cut-off events. For 10/12 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 5562 event pairs, 27 based on Foata normal form. 0/755 useless extension candidates. Maximal degree in co-relation 937. Up to 76 conditions per place. [2022-11-18 18:46:08,218 INFO L137 encePairwiseOnDemand]: 319/322 looper letters, 16 selfloop transitions, 2 changer transitions 0/285 dead transitions. [2022-11-18 18:46:08,218 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 285 transitions, 614 flow [2022-11-18 18:46:08,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:46:08,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:46:08,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 904 transitions. [2022-11-18 18:46:08,221 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9358178053830227 [2022-11-18 18:46:08,221 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 904 transitions. [2022-11-18 18:46:08,221 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 904 transitions. [2022-11-18 18:46:08,222 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:46:08,222 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 904 transitions. [2022-11-18 18:46:08,224 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 0 states have call successors, (0), 0 states 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 18:46:08,226 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states 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 18:46:08,227 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states 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 18:46:08,227 INFO L175 Difference]: Start difference. First operand has 281 places, 286 transitions, 580 flow. Second operand 3 states and 904 transitions. [2022-11-18 18:46:08,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 285 transitions, 614 flow [2022-11-18 18:46:08,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 285 transitions, 610 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:46:08,232 INFO L231 Difference]: Finished difference. Result has 280 places, 285 transitions, 578 flow [2022-11-18 18:46:08,233 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=574, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=578, PETRI_PLACES=280, PETRI_TRANSITIONS=285} [2022-11-18 18:46:08,235 INFO L288 CegarLoopForPetriNet]: 290 programPoint places, -10 predicate places. [2022-11-18 18:46:08,236 INFO L495 AbstractCegarLoop]: Abstraction has has 280 places, 285 transitions, 578 flow [2022-11-18 18:46:08,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 0 states have call successors, (0), 0 states 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 18:46:08,237 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:46:08,237 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 18:46:08,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 18:46:08,238 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-11-18 18:46:08,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:08,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1842906131, now seen corresponding path program 1 times [2022-11-18 18:46:08,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:46:08,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97069103] [2022-11-18 18:46:08,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:08,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:46:08,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:08,323 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 18:46:08,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:46:08,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97069103] [2022-11-18 18:46:08,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97069103] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:46:08,324 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:46:08,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:46:08,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768099966] [2022-11-18 18:46:08,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:46:08,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:46:08,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:46:08,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:46:08,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:46:08,327 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 322 [2022-11-18 18:46:08,328 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 285 transitions, 578 flow. Second operand has 3 states, 3 states have (on average 299.6666666666667) internal successors, (899), 3 states have internal predecessors, (899), 0 states have call successors, (0), 0 states 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 18:46:08,328 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:46:08,328 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 322 [2022-11-18 18:46:08,328 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:46:08,432 INFO L130 PetriNetUnfolder]: 48/746 cut-off events. [2022-11-18 18:46:08,433 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-11-18 18:46:08,435 INFO L83 FinitePrefix]: Finished finitePrefix Result has 795 conditions, 746 events. 48/746 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 4022 event pairs, 8 based on Foata normal form. 0/628 useless extension candidates. Maximal degree in co-relation 728. Up to 36 conditions per place. [2022-11-18 18:46:08,440 INFO L137 encePairwiseOnDemand]: 316/322 looper letters, 13 selfloop transitions, 3 changer transitions 0/286 dead transitions. [2022-11-18 18:46:08,440 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 286 transitions, 613 flow [2022-11-18 18:46:08,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:46:08,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:46:08,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 913 transitions. [2022-11-18 18:46:08,443 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9451345755693582 [2022-11-18 18:46:08,443 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 913 transitions. [2022-11-18 18:46:08,443 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 913 transitions. [2022-11-18 18:46:08,443 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:46:08,444 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 913 transitions. [2022-11-18 18:46:08,447 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 304.3333333333333) internal successors, (913), 3 states have internal predecessors, (913), 0 states have call successors, (0), 0 states 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 18:46:08,449 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states 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 18:46:08,450 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states 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 18:46:08,450 INFO L175 Difference]: Start difference. First operand has 280 places, 285 transitions, 578 flow. Second operand 3 states and 913 transitions. [2022-11-18 18:46:08,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 286 transitions, 613 flow [2022-11-18 18:46:08,457 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 286 transitions, 609 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:46:08,460 INFO L231 Difference]: Finished difference. Result has 278 places, 285 transitions, 589 flow [2022-11-18 18:46:08,460 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=568, 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=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=589, PETRI_PLACES=278, PETRI_TRANSITIONS=285} [2022-11-18 18:46:08,462 INFO L288 CegarLoopForPetriNet]: 290 programPoint places, -12 predicate places. [2022-11-18 18:46:08,462 INFO L495 AbstractCegarLoop]: Abstraction has has 278 places, 285 transitions, 589 flow [2022-11-18 18:46:08,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.6666666666667) internal successors, (899), 3 states have internal predecessors, (899), 0 states have call successors, (0), 0 states 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 18:46:08,463 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:46:08,463 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] [2022-11-18 18:46:08,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 18:46:08,464 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-11-18 18:46:08,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:08,464 INFO L85 PathProgramCache]: Analyzing trace with hash -549652323, now seen corresponding path program 1 times [2022-11-18 18:46:08,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:46:08,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343644755] [2022-11-18 18:46:08,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:08,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:46:08,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:08,541 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 18:46:08,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:46:08,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343644755] [2022-11-18 18:46:08,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343644755] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:46:08,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:46:08,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:46:08,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428343770] [2022-11-18 18:46:08,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:46:08,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:46:08,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:46:08,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:46:08,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:46:08,544 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 322 [2022-11-18 18:46:08,545 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 285 transitions, 589 flow. Second operand has 3 states, 3 states have (on average 299.6666666666667) internal successors, (899), 3 states have internal predecessors, (899), 0 states have call successors, (0), 0 states 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 18:46:08,546 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:46:08,546 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 322 [2022-11-18 18:46:08,546 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:46:08,667 INFO L130 PetriNetUnfolder]: 54/823 cut-off events. [2022-11-18 18:46:08,667 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-18 18:46:08,670 INFO L83 FinitePrefix]: Finished finitePrefix Result has 892 conditions, 823 events. 54/823 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 4778 event pairs, 8 based on Foata normal form. 0/703 useless extension candidates. Maximal degree in co-relation 740. Up to 36 conditions per place. [2022-11-18 18:46:08,674 INFO L137 encePairwiseOnDemand]: 316/322 looper letters, 13 selfloop transitions, 3 changer transitions 0/286 dead transitions. [2022-11-18 18:46:08,674 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 286 transitions, 624 flow [2022-11-18 18:46:08,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:46:08,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:46:08,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 913 transitions. [2022-11-18 18:46:08,676 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9451345755693582 [2022-11-18 18:46:08,677 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 913 transitions. [2022-11-18 18:46:08,677 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 913 transitions. [2022-11-18 18:46:08,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:46:08,677 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 913 transitions. [2022-11-18 18:46:08,679 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 304.3333333333333) internal successors, (913), 3 states have internal predecessors, (913), 0 states have call successors, (0), 0 states 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 18:46:08,681 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states 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 18:46:08,682 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states 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 18:46:08,682 INFO L175 Difference]: Start difference. First operand has 278 places, 285 transitions, 589 flow. Second operand 3 states and 913 transitions. [2022-11-18 18:46:08,682 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 286 transitions, 624 flow [2022-11-18 18:46:08,685 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 286 transitions, 624 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 18:46:08,688 INFO L231 Difference]: Finished difference. Result has 278 places, 285 transitions, 604 flow [2022-11-18 18:46:08,688 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=583, 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=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=604, PETRI_PLACES=278, PETRI_TRANSITIONS=285} [2022-11-18 18:46:08,691 INFO L288 CegarLoopForPetriNet]: 290 programPoint places, -12 predicate places. [2022-11-18 18:46:08,691 INFO L495 AbstractCegarLoop]: Abstraction has has 278 places, 285 transitions, 604 flow [2022-11-18 18:46:08,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.6666666666667) internal successors, (899), 3 states have internal predecessors, (899), 0 states have call successors, (0), 0 states 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 18:46:08,692 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:46:08,692 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] [2022-11-18 18:46:08,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 18:46:08,692 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-11-18 18:46:08,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:08,693 INFO L85 PathProgramCache]: Analyzing trace with hash 2048311196, now seen corresponding path program 1 times [2022-11-18 18:46:08,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:46:08,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983352264] [2022-11-18 18:46:08,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:08,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:46:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:08,755 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 18:46:08,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:46:08,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983352264] [2022-11-18 18:46:08,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983352264] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:46:08,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:46:08,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:46:08,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138810570] [2022-11-18 18:46:08,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:46:08,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:46:08,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:46:08,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:46:08,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:46:08,759 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 322 [2022-11-18 18:46:08,760 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 285 transitions, 604 flow. Second operand has 3 states, 3 states have (on average 299.6666666666667) internal successors, (899), 3 states have internal predecessors, (899), 0 states have call successors, (0), 0 states 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 18:46:08,760 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:46:08,760 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 322 [2022-11-18 18:46:08,760 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:46:08,917 INFO L130 PetriNetUnfolder]: 56/979 cut-off events. [2022-11-18 18:46:08,917 INFO L131 PetriNetUnfolder]: For 13/14 co-relation queries the response was YES. [2022-11-18 18:46:08,921 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1072 conditions, 979 events. 56/979 cut-off events. For 13/14 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 6082 event pairs, 4 based on Foata normal form. 0/856 useless extension candidates. Maximal degree in co-relation 903. Up to 55 conditions per place. [2022-11-18 18:46:08,925 INFO L137 encePairwiseOnDemand]: 316/322 looper letters, 15 selfloop transitions, 3 changer transitions 0/288 dead transitions. [2022-11-18 18:46:08,925 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 288 transitions, 649 flow [2022-11-18 18:46:08,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:46:08,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:46:08,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 915 transitions. [2022-11-18 18:46:08,928 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9472049689440993 [2022-11-18 18:46:08,928 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 915 transitions. [2022-11-18 18:46:08,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 915 transitions. [2022-11-18 18:46:08,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:46:08,930 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 915 transitions. [2022-11-18 18:46:08,932 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 305.0) internal successors, (915), 3 states have internal predecessors, (915), 0 states have call successors, (0), 0 states 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 18:46:08,934 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states 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 18:46:08,935 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states 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 18:46:08,935 INFO L175 Difference]: Start difference. First operand has 278 places, 285 transitions, 604 flow. Second operand 3 states and 915 transitions. [2022-11-18 18:46:08,935 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 288 transitions, 649 flow [2022-11-18 18:46:08,938 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 288 transitions, 649 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 18:46:08,942 INFO L231 Difference]: Finished difference. Result has 278 places, 285 transitions, 619 flow [2022-11-18 18:46:08,943 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=598, 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=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=619, PETRI_PLACES=278, PETRI_TRANSITIONS=285} [2022-11-18 18:46:08,943 INFO L288 CegarLoopForPetriNet]: 290 programPoint places, -12 predicate places. [2022-11-18 18:46:08,944 INFO L495 AbstractCegarLoop]: Abstraction has has 278 places, 285 transitions, 619 flow [2022-11-18 18:46:08,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.6666666666667) internal successors, (899), 3 states have internal predecessors, (899), 0 states have call successors, (0), 0 states 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 18:46:08,944 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:46:08,945 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] [2022-11-18 18:46:08,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 18:46:08,945 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-11-18 18:46:08,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:08,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1357419489, now seen corresponding path program 1 times [2022-11-18 18:46:08,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:46:08,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592258870] [2022-11-18 18:46:08,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:08,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:46:08,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:08,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:46:08,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:46:08,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592258870] [2022-11-18 18:46:08,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592258870] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:46:08,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:46:08,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:46:08,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639583147] [2022-11-18 18:46:08,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:46:08,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:46:08,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:46:08,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:46:08,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:46:08,994 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 322 [2022-11-18 18:46:08,996 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 285 transitions, 619 flow. Second operand has 3 states, 3 states have (on average 297.3333333333333) internal successors, (892), 3 states have internal predecessors, (892), 0 states have call successors, (0), 0 states 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 18:46:08,996 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:46:08,996 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 322 [2022-11-18 18:46:08,996 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:46:09,140 INFO L130 PetriNetUnfolder]: 42/822 cut-off events. [2022-11-18 18:46:09,140 INFO L131 PetriNetUnfolder]: For 4/8 co-relation queries the response was YES. [2022-11-18 18:46:09,144 INFO L83 FinitePrefix]: Finished finitePrefix Result has 943 conditions, 822 events. 42/822 cut-off events. For 4/8 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 4876 event pairs, 4 based on Foata normal form. 1/727 useless extension candidates. Maximal degree in co-relation 775. Up to 37 conditions per place. [2022-11-18 18:46:09,147 INFO L137 encePairwiseOnDemand]: 319/322 looper letters, 16 selfloop transitions, 2 changer transitions 0/285 dead transitions. [2022-11-18 18:46:09,148 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 285 transitions, 656 flow [2022-11-18 18:46:09,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:46:09,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:46:09,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 907 transitions. [2022-11-18 18:46:09,150 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9389233954451346 [2022-11-18 18:46:09,150 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 907 transitions. [2022-11-18 18:46:09,150 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 907 transitions. [2022-11-18 18:46:09,151 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:46:09,151 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 907 transitions. [2022-11-18 18:46:09,153 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 302.3333333333333) internal successors, (907), 3 states have internal predecessors, (907), 0 states have call successors, (0), 0 states 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 18:46:09,155 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states 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 18:46:09,155 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states 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 18:46:09,156 INFO L175 Difference]: Start difference. First operand has 278 places, 285 transitions, 619 flow. Second operand 3 states and 907 transitions. [2022-11-18 18:46:09,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 285 transitions, 656 flow [2022-11-18 18:46:09,159 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 285 transitions, 656 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 18:46:09,162 INFO L231 Difference]: Finished difference. Result has 279 places, 284 transitions, 621 flow [2022-11-18 18:46:09,163 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=617, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=621, PETRI_PLACES=279, PETRI_TRANSITIONS=284} [2022-11-18 18:46:09,164 INFO L288 CegarLoopForPetriNet]: 290 programPoint places, -11 predicate places. [2022-11-18 18:46:09,164 INFO L495 AbstractCegarLoop]: Abstraction has has 279 places, 284 transitions, 621 flow [2022-11-18 18:46:09,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 297.3333333333333) internal successors, (892), 3 states have internal predecessors, (892), 0 states have call successors, (0), 0 states 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 18:46:09,165 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:46:09,165 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:46:09,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 18:46:09,165 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-11-18 18:46:09,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:09,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1655738776, now seen corresponding path program 1 times [2022-11-18 18:46:09,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:46:09,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444821811] [2022-11-18 18:46:09,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:09,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:46:09,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:09,230 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 18:46:09,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:46:09,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444821811] [2022-11-18 18:46:09,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444821811] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:46:09,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:46:09,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:46:09,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616566578] [2022-11-18 18:46:09,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:46:09,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:46:09,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:46:09,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:46:09,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:46:09,234 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 322 [2022-11-18 18:46:09,235 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 284 transitions, 621 flow. Second operand has 3 states, 3 states have (on average 299.6666666666667) internal successors, (899), 3 states have internal predecessors, (899), 0 states have call successors, (0), 0 states 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 18:46:09,235 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:46:09,236 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 322 [2022-11-18 18:46:09,236 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:46:09,398 INFO L130 PetriNetUnfolder]: 60/1101 cut-off events. [2022-11-18 18:46:09,399 INFO L131 PetriNetUnfolder]: For 9/10 co-relation queries the response was YES. [2022-11-18 18:46:09,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1234 conditions, 1101 events. 60/1101 cut-off events. For 9/10 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 7306 event pairs, 7 based on Foata normal form. 0/977 useless extension candidates. Maximal degree in co-relation 1062. Up to 47 conditions per place. [2022-11-18 18:46:09,407 INFO L137 encePairwiseOnDemand]: 316/322 looper letters, 15 selfloop transitions, 3 changer transitions 0/287 dead transitions. [2022-11-18 18:46:09,407 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 287 transitions, 666 flow [2022-11-18 18:46:09,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:46:09,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:46:09,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 915 transitions. [2022-11-18 18:46:09,410 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9472049689440993 [2022-11-18 18:46:09,410 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 915 transitions. [2022-11-18 18:46:09,410 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 915 transitions. [2022-11-18 18:46:09,411 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:46:09,411 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 915 transitions. [2022-11-18 18:46:09,414 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 305.0) internal successors, (915), 3 states have internal predecessors, (915), 0 states have call successors, (0), 0 states 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 18:46:09,415 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states 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 18:46:09,416 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states 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 18:46:09,416 INFO L175 Difference]: Start difference. First operand has 279 places, 284 transitions, 621 flow. Second operand 3 states and 915 transitions. [2022-11-18 18:46:09,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 287 transitions, 666 flow [2022-11-18 18:46:09,418 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 287 transitions, 662 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:46:09,422 INFO L231 Difference]: Finished difference. Result has 277 places, 284 transitions, 632 flow [2022-11-18 18:46:09,422 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=611, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=281, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=278, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=632, PETRI_PLACES=277, PETRI_TRANSITIONS=284} [2022-11-18 18:46:09,423 INFO L288 CegarLoopForPetriNet]: 290 programPoint places, -13 predicate places. [2022-11-18 18:46:09,423 INFO L495 AbstractCegarLoop]: Abstraction has has 277 places, 284 transitions, 632 flow [2022-11-18 18:46:09,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.6666666666667) internal successors, (899), 3 states have internal predecessors, (899), 0 states have call successors, (0), 0 states 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 18:46:09,423 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:46:09,424 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] [2022-11-18 18:46:09,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 18:46:09,424 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-11-18 18:46:09,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:09,424 INFO L85 PathProgramCache]: Analyzing trace with hash 505544277, now seen corresponding path program 1 times [2022-11-18 18:46:09,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:46:09,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326370302] [2022-11-18 18:46:09,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:09,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:46:09,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:09,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:46:09,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:46:09,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326370302] [2022-11-18 18:46:09,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326370302] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:46:09,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:46:09,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:46:09,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504135064] [2022-11-18 18:46:09,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:46:09,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:46:09,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:46:09,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:46:09,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:46:09,845 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 322 [2022-11-18 18:46:09,847 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 284 transitions, 632 flow. Second operand has 6 states, 6 states have (on average 293.8333333333333) internal successors, (1763), 6 states have internal predecessors, (1763), 0 states have call successors, (0), 0 states 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 18:46:09,847 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:46:09,847 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 322 [2022-11-18 18:46:09,848 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:46:09,999 INFO L130 PetriNetUnfolder]: 35/784 cut-off events. [2022-11-18 18:46:09,999 INFO L131 PetriNetUnfolder]: For 2/16 co-relation queries the response was YES. [2022-11-18 18:46:10,004 INFO L83 FinitePrefix]: Finished finitePrefix Result has 887 conditions, 784 events. 35/784 cut-off events. For 2/16 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 4360 event pairs, 0 based on Foata normal form. 8/705 useless extension candidates. Maximal degree in co-relation 714. Up to 20 conditions per place. [2022-11-18 18:46:10,007 INFO L137 encePairwiseOnDemand]: 317/322 looper letters, 15 selfloop transitions, 4 changer transitions 0/283 dead transitions. [2022-11-18 18:46:10,007 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 283 transitions, 668 flow [2022-11-18 18:46:10,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:46:10,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 18:46:10,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1772 transitions. [2022-11-18 18:46:10,011 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.917184265010352 [2022-11-18 18:46:10,011 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1772 transitions. [2022-11-18 18:46:10,012 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1772 transitions. [2022-11-18 18:46:10,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:46:10,013 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1772 transitions. [2022-11-18 18:46:10,017 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 295.3333333333333) internal successors, (1772), 6 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states 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 18:46:10,020 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 322.0) internal successors, (2254), 7 states have internal predecessors, (2254), 0 states have call successors, (0), 0 states 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 18:46:10,021 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 322.0) internal successors, (2254), 7 states have internal predecessors, (2254), 0 states have call successors, (0), 0 states 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 18:46:10,021 INFO L175 Difference]: Start difference. First operand has 277 places, 284 transitions, 632 flow. Second operand 6 states and 1772 transitions. [2022-11-18 18:46:10,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 283 transitions, 668 flow [2022-11-18 18:46:10,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 283 transitions, 668 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 18:46:10,027 INFO L231 Difference]: Finished difference. Result has 281 places, 283 transitions, 638 flow [2022-11-18 18:46:10,028 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=630, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=638, PETRI_PLACES=281, PETRI_TRANSITIONS=283} [2022-11-18 18:46:10,028 INFO L288 CegarLoopForPetriNet]: 290 programPoint places, -9 predicate places. [2022-11-18 18:46:10,029 INFO L495 AbstractCegarLoop]: Abstraction has has 281 places, 283 transitions, 638 flow [2022-11-18 18:46:10,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 293.8333333333333) internal successors, (1763), 6 states have internal predecessors, (1763), 0 states have call successors, (0), 0 states 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 18:46:10,030 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:46:10,031 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] [2022-11-18 18:46:10,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-18 18:46:10,031 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-11-18 18:46:10,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:10,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1615907656, now seen corresponding path program 1 times [2022-11-18 18:46:10,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:46:10,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378415683] [2022-11-18 18:46:10,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:10,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:46:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:10,065 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 18:46:10,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:46:10,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378415683] [2022-11-18 18:46:10,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378415683] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:46:10,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:46:10,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:46:10,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542161981] [2022-11-18 18:46:10,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:46:10,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:46:10,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:46:10,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:46:10,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:46:10,069 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 322 [2022-11-18 18:46:10,071 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 283 transitions, 638 flow. Second operand has 3 states, 3 states have (on average 302.6666666666667) internal successors, (908), 3 states have internal predecessors, (908), 0 states have call successors, (0), 0 states 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 18:46:10,071 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:46:10,071 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 322 [2022-11-18 18:46:10,071 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:46:10,243 INFO L130 PetriNetUnfolder]: 45/1188 cut-off events. [2022-11-18 18:46:10,244 INFO L131 PetriNetUnfolder]: For 16/18 co-relation queries the response was YES. [2022-11-18 18:46:10,249 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1321 conditions, 1188 events. 45/1188 cut-off events. For 16/18 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 7374 event pairs, 2 based on Foata normal form. 0/1075 useless extension candidates. Maximal degree in co-relation 1174. Up to 42 conditions per place. [2022-11-18 18:46:10,252 INFO L137 encePairwiseOnDemand]: 318/322 looper letters, 13 selfloop transitions, 2 changer transitions 0/286 dead transitions. [2022-11-18 18:46:10,252 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 286 transitions, 677 flow [2022-11-18 18:46:10,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:46:10,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:46:10,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 920 transitions. [2022-11-18 18:46:10,255 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9523809523809523 [2022-11-18 18:46:10,255 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 920 transitions. [2022-11-18 18:46:10,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 920 transitions. [2022-11-18 18:46:10,256 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:46:10,256 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 920 transitions. [2022-11-18 18:46:10,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 306.6666666666667) internal successors, (920), 3 states have internal predecessors, (920), 0 states have call successors, (0), 0 states 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 18:46:10,260 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states 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 18:46:10,260 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states 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 18:46:10,261 INFO L175 Difference]: Start difference. First operand has 281 places, 283 transitions, 638 flow. Second operand 3 states and 920 transitions. [2022-11-18 18:46:10,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 286 transitions, 677 flow [2022-11-18 18:46:10,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 286 transitions, 670 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 18:46:10,266 INFO L231 Difference]: Finished difference. Result has 278 places, 283 transitions, 641 flow [2022-11-18 18:46:10,267 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=627, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=281, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=641, PETRI_PLACES=278, PETRI_TRANSITIONS=283} [2022-11-18 18:46:10,267 INFO L288 CegarLoopForPetriNet]: 290 programPoint places, -12 predicate places. [2022-11-18 18:46:10,268 INFO L495 AbstractCegarLoop]: Abstraction has has 278 places, 283 transitions, 641 flow [2022-11-18 18:46:10,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 302.6666666666667) internal successors, (908), 3 states have internal predecessors, (908), 0 states have call successors, (0), 0 states 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 18:46:10,268 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:46:10,269 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] [2022-11-18 18:46:10,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-18 18:46:10,269 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-11-18 18:46:10,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:10,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1994973241, now seen corresponding path program 1 times [2022-11-18 18:46:10,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:46:10,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14453767] [2022-11-18 18:46:10,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:10,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:46:10,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:10,303 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 18:46:10,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:46:10,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14453767] [2022-11-18 18:46:10,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14453767] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:46:10,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:46:10,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:46:10,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107884564] [2022-11-18 18:46:10,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:46:10,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:46:10,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:46:10,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:46:10,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:46:10,307 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 322 [2022-11-18 18:46:10,308 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 283 transitions, 641 flow. Second operand has 3 states, 3 states have (on average 297.6666666666667) internal successors, (893), 3 states have internal predecessors, (893), 0 states have call successors, (0), 0 states 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 18:46:10,308 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:46:10,308 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 322 [2022-11-18 18:46:10,308 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:46:10,438 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([878] thread1EXIT-->L68-7: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar1_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem29#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread1Thread1of1ForFork0_thidvar0_4)) InVars {thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_4, ULTIMATE.start_main_#t~mem29#1=|v_ULTIMATE.start_main_#t~mem29#1_5|} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_4, ULTIMATE.start_main_#t~mem29#1=|v_ULTIMATE.start_main_#t~mem29#1_5|} AuxVars[] AssignedVars[][167], [Black: 348#true, 350#(= |#race~filename_2~0| 0), 2#L68-7true, 359#(= |#race~filename_5~0| 0), 233#L50-39true, Black: 357#true, 345#(= |#race~isNull_3~0| 0), Black: 369#true, Black: 338#true, Black: 343#true, 367#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 371#(= |#race~filename_1~0| 0), 340#(= |#race~isNull_0~0| 0), 374#true]) [2022-11-18 18:46:10,438 INFO L383 tUnfolder$Statistics]: this new event has 177 ancestors and is cut-off event [2022-11-18 18:46:10,439 INFO L386 tUnfolder$Statistics]: existing Event has 141 ancestors and is cut-off event [2022-11-18 18:46:10,439 INFO L386 tUnfolder$Statistics]: existing Event has 149 ancestors and is cut-off event [2022-11-18 18:46:10,439 INFO L386 tUnfolder$Statistics]: existing Event has 149 ancestors and is cut-off event [2022-11-18 18:46:10,442 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([878] thread1EXIT-->L68-7: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar1_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem29#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread1Thread1of1ForFork0_thidvar0_4)) InVars {thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_4, ULTIMATE.start_main_#t~mem29#1=|v_ULTIMATE.start_main_#t~mem29#1_5|} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_4, ULTIMATE.start_main_#t~mem29#1=|v_ULTIMATE.start_main_#t~mem29#1_5|} AuxVars[] AssignedVars[][169], [Black: 348#true, 350#(= |#race~filename_2~0| 0), 2#L68-7true, 359#(= |#race~filename_5~0| 0), 376#(= |#race~result_7~0| |thread2Thread1of1ForFork1_#t~nondet12#1|), Black: 357#true, 66#L50-40true, 345#(= |#race~isNull_3~0| 0), Black: 369#true, Black: 338#true, Black: 343#true, 367#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 371#(= |#race~filename_1~0| 0), 340#(= |#race~isNull_0~0| 0)]) [2022-11-18 18:46:10,442 INFO L383 tUnfolder$Statistics]: this new event has 178 ancestors and is cut-off event [2022-11-18 18:46:10,443 INFO L386 tUnfolder$Statistics]: existing Event has 142 ancestors and is cut-off event [2022-11-18 18:46:10,443 INFO L386 tUnfolder$Statistics]: existing Event has 150 ancestors and is cut-off event [2022-11-18 18:46:10,443 INFO L386 tUnfolder$Statistics]: existing Event has 150 ancestors and is cut-off event [2022-11-18 18:46:10,447 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([878] thread1EXIT-->L68-7: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar1_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem29#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread1Thread1of1ForFork0_thidvar0_4)) InVars {thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_4, ULTIMATE.start_main_#t~mem29#1=|v_ULTIMATE.start_main_#t~mem29#1_5|} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_4, ULTIMATE.start_main_#t~mem29#1=|v_ULTIMATE.start_main_#t~mem29#1_5|} AuxVars[] AssignedVars[][169], [Black: 348#true, 350#(= |#race~filename_2~0| 0), 2#L68-7true, 359#(= |#race~filename_5~0| 0), 376#(= |#race~result_7~0| |thread2Thread1of1ForFork1_#t~nondet12#1|), Black: 357#true, 345#(= |#race~isNull_3~0| 0), Black: 369#true, Black: 338#true, Black: 343#true, 367#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 371#(= |#race~filename_1~0| 0), 340#(= |#race~isNull_0~0| 0), 293#L50-41true]) [2022-11-18 18:46:10,447 INFO L383 tUnfolder$Statistics]: this new event has 179 ancestors and is cut-off event [2022-11-18 18:46:10,447 INFO L386 tUnfolder$Statistics]: existing Event has 151 ancestors and is cut-off event [2022-11-18 18:46:10,447 INFO L386 tUnfolder$Statistics]: existing Event has 143 ancestors and is cut-off event [2022-11-18 18:46:10,447 INFO L386 tUnfolder$Statistics]: existing Event has 151 ancestors and is cut-off event [2022-11-18 18:46:10,452 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([812] L50-38-->L50-39: Formula: true InVars {} OutVars{thread2Thread1of1ForFork1_#t~nondet12#1=|v_thread2Thread1of1ForFork1_#t~nondet12#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#t~nondet12#1][133], [Black: 348#true, 350#(= |#race~filename_2~0| 0), 2#L68-7true, 359#(= |#race~filename_5~0| 0), 233#L50-39true, Black: 357#true, 345#(= |#race~isNull_3~0| 0), Black: 369#true, Black: 338#true, Black: 343#true, 367#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 371#(= |#race~filename_1~0| 0), 340#(= |#race~isNull_0~0| 0), 374#true]) [2022-11-18 18:46:10,452 INFO L383 tUnfolder$Statistics]: this new event has 149 ancestors and is cut-off event [2022-11-18 18:46:10,452 INFO L386 tUnfolder$Statistics]: existing Event has 149 ancestors and is cut-off event [2022-11-18 18:46:10,453 INFO L386 tUnfolder$Statistics]: existing Event has 141 ancestors and is cut-off event [2022-11-18 18:46:10,453 INFO L386 tUnfolder$Statistics]: existing Event has 141 ancestors and is cut-off event [2022-11-18 18:46:10,453 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([812] L50-38-->L50-39: Formula: true InVars {} OutVars{thread2Thread1of1ForFork1_#t~nondet12#1=|v_thread2Thread1of1ForFork1_#t~nondet12#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#t~nondet12#1][133], [Black: 348#true, 350#(= |#race~filename_2~0| 0), 2#L68-7true, 359#(= |#race~filename_5~0| 0), 233#L50-39true, Black: 357#true, 345#(= |#race~isNull_3~0| 0), Black: 369#true, Black: 338#true, Black: 343#true, 367#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 371#(= |#race~filename_1~0| 0), 340#(= |#race~isNull_0~0| 0), 374#true]) [2022-11-18 18:46:10,453 INFO L383 tUnfolder$Statistics]: this new event has 177 ancestors and is cut-off event [2022-11-18 18:46:10,453 INFO L386 tUnfolder$Statistics]: existing Event has 149 ancestors and is cut-off event [2022-11-18 18:46:10,453 INFO L386 tUnfolder$Statistics]: existing Event has 141 ancestors and is cut-off event [2022-11-18 18:46:10,453 INFO L386 tUnfolder$Statistics]: existing Event has 141 ancestors and is cut-off event [2022-11-18 18:46:10,454 INFO L386 tUnfolder$Statistics]: existing Event has 149 ancestors and is cut-off event [2022-11-18 18:46:10,456 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([878] thread1EXIT-->L68-7: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar1_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem29#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread1Thread1of1ForFork0_thidvar0_4)) InVars {thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_4, ULTIMATE.start_main_#t~mem29#1=|v_ULTIMATE.start_main_#t~mem29#1_5|} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_4, ULTIMATE.start_main_#t~mem29#1=|v_ULTIMATE.start_main_#t~mem29#1_5|} AuxVars[] AssignedVars[][167], [Black: 348#true, 350#(= |#race~filename_2~0| 0), 2#L68-7true, 359#(= |#race~filename_5~0| 0), Black: 357#true, 345#(= |#race~isNull_3~0| 0), 25#L52true, Black: 369#true, Black: 338#true, Black: 343#true, 367#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 371#(= |#race~filename_1~0| 0), 340#(= |#race~isNull_0~0| 0), 374#true]) [2022-11-18 18:46:10,456 INFO L383 tUnfolder$Statistics]: this new event has 185 ancestors and is cut-off event [2022-11-18 18:46:10,457 INFO L386 tUnfolder$Statistics]: existing Event has 149 ancestors and is cut-off event [2022-11-18 18:46:10,457 INFO L386 tUnfolder$Statistics]: existing Event has 157 ancestors and is cut-off event [2022-11-18 18:46:10,457 INFO L386 tUnfolder$Statistics]: existing Event has 157 ancestors and is cut-off event [2022-11-18 18:46:10,465 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([878] thread1EXIT-->L68-7: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar1_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem29#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread1Thread1of1ForFork0_thidvar0_4)) InVars {thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_4, ULTIMATE.start_main_#t~mem29#1=|v_ULTIMATE.start_main_#t~mem29#1_5|} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_4, ULTIMATE.start_main_#t~mem29#1=|v_ULTIMATE.start_main_#t~mem29#1_5|} AuxVars[] AssignedVars[][167], [Black: 348#true, 350#(= |#race~filename_2~0| 0), 2#L68-7true, 359#(= |#race~filename_5~0| 0), 233#L50-39true, Black: 357#true, 345#(= |#race~isNull_3~0| 0), Black: 369#true, Black: 338#true, Black: 343#true, 367#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 371#(= |#race~filename_1~0| 0), 340#(= |#race~isNull_0~0| 0), 374#true]) [2022-11-18 18:46:10,465 INFO L383 tUnfolder$Statistics]: this new event has 141 ancestors and is not cut-off event [2022-11-18 18:46:10,465 INFO L386 tUnfolder$Statistics]: existing Event has 141 ancestors and is not cut-off event [2022-11-18 18:46:10,465 INFO L386 tUnfolder$Statistics]: existing Event has 149 ancestors and is not cut-off event [2022-11-18 18:46:10,465 INFO L386 tUnfolder$Statistics]: existing Event has 149 ancestors and is not cut-off event [2022-11-18 18:46:10,466 INFO L386 tUnfolder$Statistics]: existing Event has 177 ancestors and is not cut-off event [2022-11-18 18:46:10,466 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([878] thread1EXIT-->L68-7: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar1_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem29#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread1Thread1of1ForFork0_thidvar0_4)) InVars {thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_4, ULTIMATE.start_main_#t~mem29#1=|v_ULTIMATE.start_main_#t~mem29#1_5|} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_4, ULTIMATE.start_main_#t~mem29#1=|v_ULTIMATE.start_main_#t~mem29#1_5|} AuxVars[] AssignedVars[][169], [Black: 348#true, 350#(= |#race~filename_2~0| 0), 2#L68-7true, 376#(= |#race~result_7~0| |thread2Thread1of1ForFork1_#t~nondet12#1|), 359#(= |#race~filename_5~0| 0), Black: 357#true, 66#L50-40true, 345#(= |#race~isNull_3~0| 0), Black: 369#true, Black: 338#true, Black: 343#true, 367#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 371#(= |#race~filename_1~0| 0), 340#(= |#race~isNull_0~0| 0)]) [2022-11-18 18:46:10,466 INFO L383 tUnfolder$Statistics]: this new event has 142 ancestors and is cut-off event [2022-11-18 18:46:10,466 INFO L386 tUnfolder$Statistics]: existing Event has 142 ancestors and is cut-off event [2022-11-18 18:46:10,466 INFO L386 tUnfolder$Statistics]: existing Event has 178 ancestors and is cut-off event [2022-11-18 18:46:10,466 INFO L386 tUnfolder$Statistics]: existing Event has 150 ancestors and is cut-off event [2022-11-18 18:46:10,467 INFO L386 tUnfolder$Statistics]: existing Event has 150 ancestors and is cut-off event [2022-11-18 18:46:10,468 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([878] thread1EXIT-->L68-7: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar1_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem29#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread1Thread1of1ForFork0_thidvar0_4)) InVars {thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_4, ULTIMATE.start_main_#t~mem29#1=|v_ULTIMATE.start_main_#t~mem29#1_5|} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_4, ULTIMATE.start_main_#t~mem29#1=|v_ULTIMATE.start_main_#t~mem29#1_5|} AuxVars[] AssignedVars[][169], [Black: 348#true, 350#(= |#race~filename_2~0| 0), 2#L68-7true, 376#(= |#race~result_7~0| |thread2Thread1of1ForFork1_#t~nondet12#1|), 359#(= |#race~filename_5~0| 0), Black: 357#true, 345#(= |#race~isNull_3~0| 0), Black: 369#true, Black: 338#true, Black: 343#true, 367#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 371#(= |#race~filename_1~0| 0), 340#(= |#race~isNull_0~0| 0), 293#L50-41true]) [2022-11-18 18:46:10,468 INFO L383 tUnfolder$Statistics]: this new event has 143 ancestors and is cut-off event [2022-11-18 18:46:10,468 INFO L386 tUnfolder$Statistics]: existing Event has 151 ancestors and is cut-off event [2022-11-18 18:46:10,468 INFO L386 tUnfolder$Statistics]: existing Event has 143 ancestors and is cut-off event [2022-11-18 18:46:10,468 INFO L386 tUnfolder$Statistics]: existing Event has 179 ancestors and is cut-off event [2022-11-18 18:46:10,468 INFO L386 tUnfolder$Statistics]: existing Event has 151 ancestors and is cut-off event [2022-11-18 18:46:10,473 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([878] thread1EXIT-->L68-7: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar1_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem29#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread1Thread1of1ForFork0_thidvar0_4)) InVars {thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_4, ULTIMATE.start_main_#t~mem29#1=|v_ULTIMATE.start_main_#t~mem29#1_5|} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_4, ULTIMATE.start_main_#t~mem29#1=|v_ULTIMATE.start_main_#t~mem29#1_5|} AuxVars[] AssignedVars[][167], [Black: 348#true, 350#(= |#race~filename_2~0| 0), 2#L68-7true, 359#(= |#race~filename_5~0| 0), Black: 357#true, 345#(= |#race~isNull_3~0| 0), 25#L52true, Black: 369#true, Black: 338#true, Black: 343#true, 367#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 371#(= |#race~filename_1~0| 0), 340#(= |#race~isNull_0~0| 0), 374#true]) [2022-11-18 18:46:10,473 INFO L383 tUnfolder$Statistics]: this new event has 149 ancestors and is not cut-off event [2022-11-18 18:46:10,473 INFO L386 tUnfolder$Statistics]: existing Event has 149 ancestors and is not cut-off event [2022-11-18 18:46:10,474 INFO L386 tUnfolder$Statistics]: existing Event has 157 ancestors and is not cut-off event [2022-11-18 18:46:10,474 INFO L386 tUnfolder$Statistics]: existing Event has 185 ancestors and is not cut-off event [2022-11-18 18:46:10,474 INFO L386 tUnfolder$Statistics]: existing Event has 157 ancestors and is not cut-off event [2022-11-18 18:46:10,511 INFO L130 PetriNetUnfolder]: 70/1081 cut-off events. [2022-11-18 18:46:10,512 INFO L131 PetriNetUnfolder]: For 42/45 co-relation queries the response was YES. [2022-11-18 18:46:10,517 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1337 conditions, 1081 events. 70/1081 cut-off events. For 42/45 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 6468 event pairs, 6 based on Foata normal form. 0/984 useless extension candidates. Maximal degree in co-relation 1248. Up to 101 conditions per place. [2022-11-18 18:46:10,519 INFO L137 encePairwiseOnDemand]: 319/322 looper letters, 15 selfloop transitions, 2 changer transitions 0/283 dead transitions. [2022-11-18 18:46:10,520 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 283 transitions, 676 flow [2022-11-18 18:46:10,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:46:10,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:46:10,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 906 transitions. [2022-11-18 18:46:10,523 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.937888198757764 [2022-11-18 18:46:10,523 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 906 transitions. [2022-11-18 18:46:10,523 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 906 transitions. [2022-11-18 18:46:10,524 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:46:10,524 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 906 transitions. [2022-11-18 18:46:10,526 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 302.0) internal successors, (906), 3 states have internal predecessors, (906), 0 states have call successors, (0), 0 states 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 18:46:10,528 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states 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 18:46:10,529 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states 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 18:46:10,529 INFO L175 Difference]: Start difference. First operand has 278 places, 283 transitions, 641 flow. Second operand 3 states and 906 transitions. [2022-11-18 18:46:10,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 283 transitions, 676 flow [2022-11-18 18:46:10,531 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 283 transitions, 676 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 18:46:10,535 INFO L231 Difference]: Finished difference. Result has 279 places, 282 transitions, 643 flow [2022-11-18 18:46:10,536 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=639, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=643, PETRI_PLACES=279, PETRI_TRANSITIONS=282} [2022-11-18 18:46:10,537 INFO L288 CegarLoopForPetriNet]: 290 programPoint places, -11 predicate places. [2022-11-18 18:46:10,537 INFO L495 AbstractCegarLoop]: Abstraction has has 279 places, 282 transitions, 643 flow [2022-11-18 18:46:10,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 297.6666666666667) internal successors, (893), 3 states have internal predecessors, (893), 0 states have call successors, (0), 0 states 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 18:46:10,537 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:46:10,538 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:46:10,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-18 18:46:10,538 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-11-18 18:46:10,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:10,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1890878389, now seen corresponding path program 1 times [2022-11-18 18:46:10,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:46:10,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557215375] [2022-11-18 18:46:10,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:10,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:46:10,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:10,579 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 18:46:10,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:46:10,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557215375] [2022-11-18 18:46:10,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557215375] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:46:10,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:46:10,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:46:10,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082850242] [2022-11-18 18:46:10,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:46:10,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:46:10,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:46:10,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:46:10,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:46:10,583 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 322 [2022-11-18 18:46:10,584 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 282 transitions, 643 flow. Second operand has 3 states, 3 states have (on average 302.6666666666667) internal successors, (908), 3 states have internal predecessors, (908), 0 states have call successors, (0), 0 states 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 18:46:10,584 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:46:10,585 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 322 [2022-11-18 18:46:10,585 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:46:10,776 INFO L130 PetriNetUnfolder]: 46/1212 cut-off events. [2022-11-18 18:46:10,776 INFO L131 PetriNetUnfolder]: For 16/18 co-relation queries the response was YES. [2022-11-18 18:46:10,783 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1411 conditions, 1212 events. 46/1212 cut-off events. For 16/18 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 7566 event pairs, 4 based on Foata normal form. 0/1127 useless extension candidates. Maximal degree in co-relation 1269. Up to 43 conditions per place. [2022-11-18 18:46:10,787 INFO L137 encePairwiseOnDemand]: 318/322 looper letters, 13 selfloop transitions, 2 changer transitions 0/285 dead transitions. [2022-11-18 18:46:10,787 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 285 transitions, 682 flow [2022-11-18 18:46:10,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:46:10,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:46:10,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 920 transitions. [2022-11-18 18:46:10,789 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9523809523809523 [2022-11-18 18:46:10,789 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 920 transitions. [2022-11-18 18:46:10,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 920 transitions. [2022-11-18 18:46:10,790 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:46:10,790 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 920 transitions. [2022-11-18 18:46:10,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 306.6666666666667) internal successors, (920), 3 states have internal predecessors, (920), 0 states have call successors, (0), 0 states 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 18:46:10,794 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states 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 18:46:10,794 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states 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 18:46:10,795 INFO L175 Difference]: Start difference. First operand has 279 places, 282 transitions, 643 flow. Second operand 3 states and 920 transitions. [2022-11-18 18:46:10,795 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 285 transitions, 682 flow [2022-11-18 18:46:10,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 285 transitions, 678 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:46:10,801 INFO L231 Difference]: Finished difference. Result has 278 places, 282 transitions, 649 flow [2022-11-18 18:46:10,801 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=635, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=278, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=649, PETRI_PLACES=278, PETRI_TRANSITIONS=282} [2022-11-18 18:46:10,802 INFO L288 CegarLoopForPetriNet]: 290 programPoint places, -12 predicate places. [2022-11-18 18:46:10,802 INFO L495 AbstractCegarLoop]: Abstraction has has 278 places, 282 transitions, 649 flow [2022-11-18 18:46:10,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 302.6666666666667) internal successors, (908), 3 states have internal predecessors, (908), 0 states have call successors, (0), 0 states 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 18:46:10,803 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:46:10,803 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:46:10,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-18 18:46:10,803 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-11-18 18:46:10,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:10,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1522544873, now seen corresponding path program 1 times [2022-11-18 18:46:10,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:46:10,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295476207] [2022-11-18 18:46:10,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:10,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:46:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:11,230 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 18:46:11,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:46:11,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295476207] [2022-11-18 18:46:11,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295476207] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:46:11,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:46:11,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:46:11,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483619081] [2022-11-18 18:46:11,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:46:11,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:46:11,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:46:11,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:46:11,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:46:11,234 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 322 [2022-11-18 18:46:11,236 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 282 transitions, 649 flow. Second operand has 6 states, 6 states have (on average 294.8333333333333) internal successors, (1769), 6 states have internal predecessors, (1769), 0 states have call successors, (0), 0 states 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 18:46:11,236 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:46:11,236 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 322 [2022-11-18 18:46:11,236 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:46:11,419 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([879] thread2EXIT-->L69-7: Formula: (and (= 0 v_thread2Thread1of1ForFork1_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem30#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork1_thidvar0_4) (= 0 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem30#1=|v_ULTIMATE.start_main_#t~mem30#1_5|, thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_4, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{ULTIMATE.start_main_#t~mem30#1=|v_ULTIMATE.start_main_#t~mem30#1_5|, thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_4, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][233], [Black: 348#true, 350#(= |#race~filename_2~0| 0), 359#(= |#race~filename_5~0| 0), Black: 357#true, 345#(= |#race~isNull_3~0| 0), Black: 369#true, Black: 338#true, 380#(= |#race~filename_4~0| 0), 371#(= |#race~filename_1~0| 0), Black: 343#true, 367#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 340#(= |#race~isNull_0~0| 0), 121#L69-7true, Black: 378#true, 388#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|))))]) [2022-11-18 18:46:11,420 INFO L383 tUnfolder$Statistics]: this new event has 159 ancestors and is cut-off event [2022-11-18 18:46:11,420 INFO L386 tUnfolder$Statistics]: existing Event has 167 ancestors and is cut-off event [2022-11-18 18:46:11,420 INFO L386 tUnfolder$Statistics]: existing Event has 195 ancestors and is cut-off event [2022-11-18 18:46:11,420 INFO L386 tUnfolder$Statistics]: existing Event has 167 ancestors and is cut-off event [2022-11-18 18:46:11,424 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([879] thread2EXIT-->L69-7: Formula: (and (= 0 v_thread2Thread1of1ForFork1_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem30#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork1_thidvar0_4) (= 0 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem30#1=|v_ULTIMATE.start_main_#t~mem30#1_5|, thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_4, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{ULTIMATE.start_main_#t~mem30#1=|v_ULTIMATE.start_main_#t~mem30#1_5|, thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_4, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][233], [Black: 348#true, 350#(= |#race~filename_2~0| 0), 359#(= |#race~filename_5~0| 0), Black: 357#true, 345#(= |#race~isNull_3~0| 0), Black: 369#true, Black: 338#true, 380#(= |#race~filename_4~0| 0), Black: 343#true, 371#(= |#race~filename_1~0| 0), 367#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 340#(= |#race~isNull_0~0| 0), Black: 378#true, 121#L69-7true, 388#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|))))]) [2022-11-18 18:46:11,425 INFO L383 tUnfolder$Statistics]: this new event has 159 ancestors and is not cut-off event [2022-11-18 18:46:11,425 INFO L386 tUnfolder$Statistics]: existing Event has 167 ancestors and is not cut-off event [2022-11-18 18:46:11,425 INFO L386 tUnfolder$Statistics]: existing Event has 195 ancestors and is not cut-off event [2022-11-18 18:46:11,425 INFO L386 tUnfolder$Statistics]: existing Event has 167 ancestors and is not cut-off event [2022-11-18 18:46:11,425 INFO L386 tUnfolder$Statistics]: existing Event has 159 ancestors and is not cut-off event [2022-11-18 18:46:11,429 INFO L130 PetriNetUnfolder]: 35/1018 cut-off events. [2022-11-18 18:46:11,429 INFO L131 PetriNetUnfolder]: For 5/50 co-relation queries the response was YES. [2022-11-18 18:46:11,434 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1172 conditions, 1018 events. 35/1018 cut-off events. For 5/50 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 5828 event pairs, 0 based on Foata normal form. 8/955 useless extension candidates. Maximal degree in co-relation 1075. Up to 24 conditions per place. [2022-11-18 18:46:11,440 INFO L137 encePairwiseOnDemand]: 317/322 looper letters, 14 selfloop transitions, 4 changer transitions 0/281 dead transitions. [2022-11-18 18:46:11,440 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 281 transitions, 683 flow [2022-11-18 18:46:11,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:46:11,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 18:46:11,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1771 transitions. [2022-11-18 18:46:11,445 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9166666666666666 [2022-11-18 18:46:11,445 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1771 transitions. [2022-11-18 18:46:11,445 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1771 transitions. [2022-11-18 18:46:11,446 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:46:11,446 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1771 transitions. [2022-11-18 18:46:11,449 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 295.1666666666667) internal successors, (1771), 6 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states 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 18:46:11,452 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 322.0) internal successors, (2254), 7 states have internal predecessors, (2254), 0 states have call successors, (0), 0 states 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 18:46:11,453 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 322.0) internal successors, (2254), 7 states have internal predecessors, (2254), 0 states have call successors, (0), 0 states 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 18:46:11,454 INFO L175 Difference]: Start difference. First operand has 278 places, 282 transitions, 649 flow. Second operand 6 states and 1771 transitions. [2022-11-18 18:46:11,454 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 281 transitions, 683 flow [2022-11-18 18:46:11,456 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 281 transitions, 683 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 18:46:11,459 INFO L231 Difference]: Finished difference. Result has 282 places, 281 transitions, 655 flow [2022-11-18 18:46:11,460 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=647, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=281, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=655, PETRI_PLACES=282, PETRI_TRANSITIONS=281} [2022-11-18 18:46:11,461 INFO L288 CegarLoopForPetriNet]: 290 programPoint places, -8 predicate places. [2022-11-18 18:46:11,461 INFO L495 AbstractCegarLoop]: Abstraction has has 282 places, 281 transitions, 655 flow [2022-11-18 18:46:11,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 294.8333333333333) internal successors, (1769), 6 states have internal predecessors, (1769), 0 states have call successors, (0), 0 states 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 18:46:11,462 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:46:11,462 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:46:11,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-18 18:46:11,463 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-11-18 18:46:11,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:11,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1930169373, now seen corresponding path program 1 times [2022-11-18 18:46:11,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:46:11,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136682067] [2022-11-18 18:46:11,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:11,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:46:11,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:11,526 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 18:46:11,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:46:11,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136682067] [2022-11-18 18:46:11,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136682067] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:46:11,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:46:11,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:46:11,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326331822] [2022-11-18 18:46:11,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:46:11,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:46:11,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:46:11,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:46:11,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:46:11,530 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 322 [2022-11-18 18:46:11,531 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 281 transitions, 655 flow. Second operand has 3 states, 3 states have (on average 300.6666666666667) internal successors, (902), 3 states have internal predecessors, (902), 0 states have call successors, (0), 0 states 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 18:46:11,532 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:46:11,532 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 322 [2022-11-18 18:46:11,532 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:46:11,705 INFO L130 PetriNetUnfolder]: 46/1204 cut-off events. [2022-11-18 18:46:11,706 INFO L131 PetriNetUnfolder]: For 6/10 co-relation queries the response was YES. [2022-11-18 18:46:11,713 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1411 conditions, 1204 events. 46/1204 cut-off events. For 6/10 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 7620 event pairs, 6 based on Foata normal form. 0/1130 useless extension candidates. Maximal degree in co-relation 1234. Up to 30 conditions per place. [2022-11-18 18:46:11,716 INFO L137 encePairwiseOnDemand]: 318/322 looper letters, 11 selfloop transitions, 1 changer transitions 0/278 dead transitions. [2022-11-18 18:46:11,717 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 278 transitions, 673 flow [2022-11-18 18:46:11,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:46:11,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:46:11,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 909 transitions. [2022-11-18 18:46:11,719 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9409937888198758 [2022-11-18 18:46:11,719 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 909 transitions. [2022-11-18 18:46:11,720 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 909 transitions. [2022-11-18 18:46:11,720 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:46:11,720 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 909 transitions. [2022-11-18 18:46:11,723 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 303.0) internal successors, (909), 3 states have internal predecessors, (909), 0 states have call successors, (0), 0 states 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 18:46:11,725 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states 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 18:46:11,725 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states 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 18:46:11,725 INFO L175 Difference]: Start difference. First operand has 282 places, 281 transitions, 655 flow. Second operand 3 states and 909 transitions. [2022-11-18 18:46:11,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 278 transitions, 673 flow [2022-11-18 18:46:11,728 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 278 transitions, 666 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 18:46:11,731 INFO L231 Difference]: Finished difference. Result has 277 places, 278 transitions, 644 flow [2022-11-18 18:46:11,732 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=642, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=644, PETRI_PLACES=277, PETRI_TRANSITIONS=278} [2022-11-18 18:46:11,732 INFO L288 CegarLoopForPetriNet]: 290 programPoint places, -13 predicate places. [2022-11-18 18:46:11,732 INFO L495 AbstractCegarLoop]: Abstraction has has 277 places, 278 transitions, 644 flow [2022-11-18 18:46:11,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 300.6666666666667) internal successors, (902), 3 states have internal predecessors, (902), 0 states have call successors, (0), 0 states 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 18:46:11,733 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:46:11,733 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:46:11,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-18 18:46:11,733 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-11-18 18:46:11,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:11,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1379517378, now seen corresponding path program 1 times [2022-11-18 18:46:11,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:46:11,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788811525] [2022-11-18 18:46:11,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:11,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:46:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:11,809 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 18:46:11,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:46:11,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788811525] [2022-11-18 18:46:11,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788811525] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:46:11,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:46:11,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:46:11,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908064883] [2022-11-18 18:46:11,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:46:11,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:46:11,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:46:11,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:46:11,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:46:11,817 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 322 [2022-11-18 18:46:11,817 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 278 transitions, 644 flow. Second operand has 3 states, 3 states have (on average 300.6666666666667) internal successors, (902), 3 states have internal predecessors, (902), 0 states have call successors, (0), 0 states 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 18:46:11,818 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:46:11,818 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 322 [2022-11-18 18:46:11,818 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:46:11,956 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([878] thread1EXIT-->L68-7: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar1_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem29#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread1Thread1of1ForFork0_thidvar0_4)) InVars {thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_4, ULTIMATE.start_main_#t~mem29#1=|v_ULTIMATE.start_main_#t~mem29#1_5|} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_4, ULTIMATE.start_main_#t~mem29#1=|v_ULTIMATE.start_main_#t~mem29#1_5|} AuxVars[] AssignedVars[][166], [Black: 348#true, 350#(= |#race~filename_2~0| 0), 2#L68-7true, 359#(= |#race~filename_5~0| 0), 394#true, Black: 357#true, 66#L50-40true, 345#(= |#race~isNull_3~0| 0), 390#true, Black: 369#true, Black: 338#true, 380#(= |#race~filename_4~0| 0), Black: 343#true, 367#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 371#(= |#race~filename_1~0| 0), 340#(= |#race~isNull_0~0| 0), Black: 378#true]) [2022-11-18 18:46:11,956 INFO L383 tUnfolder$Statistics]: this new event has 178 ancestors and is cut-off event [2022-11-18 18:46:11,956 INFO L386 tUnfolder$Statistics]: existing Event has 150 ancestors and is cut-off event [2022-11-18 18:46:11,956 INFO L386 tUnfolder$Statistics]: existing Event has 142 ancestors and is cut-off event [2022-11-18 18:46:11,957 INFO L386 tUnfolder$Statistics]: existing Event has 150 ancestors and is cut-off event [2022-11-18 18:46:11,958 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([878] thread1EXIT-->L68-7: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar1_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem29#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread1Thread1of1ForFork0_thidvar0_4)) InVars {thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_4, ULTIMATE.start_main_#t~mem29#1=|v_ULTIMATE.start_main_#t~mem29#1_5|} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_4, ULTIMATE.start_main_#t~mem29#1=|v_ULTIMATE.start_main_#t~mem29#1_5|} AuxVars[] AssignedVars[][166], [Black: 348#true, 350#(= |#race~filename_2~0| 0), 2#L68-7true, 359#(= |#race~filename_5~0| 0), 394#true, Black: 357#true, 345#(= |#race~isNull_3~0| 0), 390#true, Black: 369#true, Black: 338#true, 380#(= |#race~filename_4~0| 0), Black: 343#true, 367#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 371#(= |#race~filename_1~0| 0), 340#(= |#race~isNull_0~0| 0), 293#L50-41true, Black: 378#true]) [2022-11-18 18:46:11,959 INFO L383 tUnfolder$Statistics]: this new event has 179 ancestors and is cut-off event [2022-11-18 18:46:11,959 INFO L386 tUnfolder$Statistics]: existing Event has 151 ancestors and is cut-off event [2022-11-18 18:46:11,959 INFO L386 tUnfolder$Statistics]: existing Event has 143 ancestors and is cut-off event [2022-11-18 18:46:11,959 INFO L386 tUnfolder$Statistics]: existing Event has 151 ancestors and is cut-off event [2022-11-18 18:46:11,962 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([816] L50-39-->L50-40: Formula: (= |v_thread2Thread1of1ForFork1_#t~nondet12#1_3| |v_#race~result_7~0_1|) InVars {thread2Thread1of1ForFork1_#t~nondet12#1=|v_thread2Thread1of1ForFork1_#t~nondet12#1_3|} OutVars{#race~result_7~0=|v_#race~result_7~0_1|, thread2Thread1of1ForFork1_#t~nondet12#1=|v_thread2Thread1of1ForFork1_#t~nondet12#1_3|} AuxVars[] AssignedVars[#race~result_7~0][140], [Black: 348#true, 350#(= |#race~filename_2~0| 0), 2#L68-7true, 359#(= |#race~filename_5~0| 0), Black: 357#true, 394#true, 66#L50-40true, 345#(= |#race~isNull_3~0| 0), 390#true, Black: 369#true, Black: 338#true, 380#(= |#race~filename_4~0| 0), Black: 343#true, 367#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 371#(= |#race~filename_1~0| 0), 340#(= |#race~isNull_0~0| 0), Black: 378#true]) [2022-11-18 18:46:11,962 INFO L383 tUnfolder$Statistics]: this new event has 142 ancestors and is cut-off event [2022-11-18 18:46:11,962 INFO L386 tUnfolder$Statistics]: existing Event has 142 ancestors and is cut-off event [2022-11-18 18:46:11,962 INFO L386 tUnfolder$Statistics]: existing Event has 178 ancestors and is cut-off event [2022-11-18 18:46:11,962 INFO L386 tUnfolder$Statistics]: existing Event has 150 ancestors and is cut-off event [2022-11-18 18:46:11,962 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([816] L50-39-->L50-40: Formula: (= |v_thread2Thread1of1ForFork1_#t~nondet12#1_3| |v_#race~result_7~0_1|) InVars {thread2Thread1of1ForFork1_#t~nondet12#1=|v_thread2Thread1of1ForFork1_#t~nondet12#1_3|} OutVars{#race~result_7~0=|v_#race~result_7~0_1|, thread2Thread1of1ForFork1_#t~nondet12#1=|v_thread2Thread1of1ForFork1_#t~nondet12#1_3|} AuxVars[] AssignedVars[#race~result_7~0][140], [Black: 348#true, 350#(= |#race~filename_2~0| 0), 2#L68-7true, 359#(= |#race~filename_5~0| 0), 394#true, Black: 357#true, 66#L50-40true, 345#(= |#race~isNull_3~0| 0), 390#true, Black: 369#true, Black: 338#true, 380#(= |#race~filename_4~0| 0), Black: 343#true, 367#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 371#(= |#race~filename_1~0| 0), 340#(= |#race~isNull_0~0| 0), Black: 378#true]) [2022-11-18 18:46:11,963 INFO L383 tUnfolder$Statistics]: this new event has 150 ancestors and is cut-off event [2022-11-18 18:46:11,963 INFO L386 tUnfolder$Statistics]: existing Event has 142 ancestors and is cut-off event [2022-11-18 18:46:11,963 INFO L386 tUnfolder$Statistics]: existing Event has 178 ancestors and is cut-off event [2022-11-18 18:46:11,963 INFO L386 tUnfolder$Statistics]: existing Event has 142 ancestors and is cut-off event [2022-11-18 18:46:11,963 INFO L386 tUnfolder$Statistics]: existing Event has 150 ancestors and is cut-off event [2022-11-18 18:46:11,975 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([878] thread1EXIT-->L68-7: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar1_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem29#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread1Thread1of1ForFork0_thidvar0_4)) InVars {thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_4, ULTIMATE.start_main_#t~mem29#1=|v_ULTIMATE.start_main_#t~mem29#1_5|} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_4, ULTIMATE.start_main_#t~mem29#1=|v_ULTIMATE.start_main_#t~mem29#1_5|} AuxVars[] AssignedVars[][166], [Black: 348#true, 350#(= |#race~filename_2~0| 0), 2#L68-7true, 359#(= |#race~filename_5~0| 0), 394#true, Black: 357#true, 66#L50-40true, 345#(= |#race~isNull_3~0| 0), 390#true, Black: 369#true, Black: 338#true, 380#(= |#race~filename_4~0| 0), Black: 343#true, 371#(= |#race~filename_1~0| 0), 367#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 340#(= |#race~isNull_0~0| 0), Black: 378#true]) [2022-11-18 18:46:11,975 INFO L383 tUnfolder$Statistics]: this new event has 142 ancestors and is not cut-off event [2022-11-18 18:46:11,975 INFO L386 tUnfolder$Statistics]: existing Event has 150 ancestors and is not cut-off event [2022-11-18 18:46:11,975 INFO L386 tUnfolder$Statistics]: existing Event has 178 ancestors and is not cut-off event [2022-11-18 18:46:11,975 INFO L386 tUnfolder$Statistics]: existing Event has 142 ancestors and is not cut-off event [2022-11-18 18:46:11,975 INFO L386 tUnfolder$Statistics]: existing Event has 150 ancestors and is not cut-off event [2022-11-18 18:46:11,977 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([878] thread1EXIT-->L68-7: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar1_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem29#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread1Thread1of1ForFork0_thidvar0_4)) InVars {thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_4, ULTIMATE.start_main_#t~mem29#1=|v_ULTIMATE.start_main_#t~mem29#1_5|} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_4, ULTIMATE.start_main_#t~mem29#1=|v_ULTIMATE.start_main_#t~mem29#1_5|} AuxVars[] AssignedVars[][166], [Black: 348#true, 350#(= |#race~filename_2~0| 0), 2#L68-7true, 359#(= |#race~filename_5~0| 0), 394#true, Black: 357#true, 345#(= |#race~isNull_3~0| 0), 390#true, Black: 369#true, Black: 338#true, 380#(= |#race~filename_4~0| 0), Black: 343#true, 371#(= |#race~filename_1~0| 0), 367#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 340#(= |#race~isNull_0~0| 0), Black: 378#true, 293#L50-41true]) [2022-11-18 18:46:11,977 INFO L383 tUnfolder$Statistics]: this new event has 143 ancestors and is not cut-off event [2022-11-18 18:46:11,977 INFO L386 tUnfolder$Statistics]: existing Event has 151 ancestors and is not cut-off event [2022-11-18 18:46:11,977 INFO L386 tUnfolder$Statistics]: existing Event has 143 ancestors and is not cut-off event [2022-11-18 18:46:11,977 INFO L386 tUnfolder$Statistics]: existing Event has 151 ancestors and is not cut-off event [2022-11-18 18:46:11,977 INFO L386 tUnfolder$Statistics]: existing Event has 179 ancestors and is not cut-off event [2022-11-18 18:46:11,996 INFO L130 PetriNetUnfolder]: 56/1135 cut-off events. [2022-11-18 18:46:11,996 INFO L131 PetriNetUnfolder]: For 24/27 co-relation queries the response was YES. [2022-11-18 18:46:12,003 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1359 conditions, 1135 events. 56/1135 cut-off events. For 24/27 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 6674 event pairs, 6 based on Foata normal form. 3/1071 useless extension candidates. Maximal degree in co-relation 1268. Up to 79 conditions per place. [2022-11-18 18:46:12,003 INFO L137 encePairwiseOnDemand]: 316/322 looper letters, 0 selfloop transitions, 0 changer transitions 277/277 dead transitions. [2022-11-18 18:46:12,004 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 277 transitions, 668 flow [2022-11-18 18:46:12,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:46:12,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:46:12,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 910 transitions. [2022-11-18 18:46:12,006 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9420289855072463 [2022-11-18 18:46:12,006 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 910 transitions. [2022-11-18 18:46:12,006 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 910 transitions. [2022-11-18 18:46:12,007 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:46:12,007 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 910 transitions. [2022-11-18 18:46:12,009 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 0 states have call successors, (0), 0 states 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 18:46:12,010 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states 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 18:46:12,011 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states 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 18:46:12,011 INFO L175 Difference]: Start difference. First operand has 277 places, 278 transitions, 644 flow. Second operand 3 states and 910 transitions. [2022-11-18 18:46:12,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 277 transitions, 668 flow [2022-11-18 18:46:12,013 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 277 transitions, 667 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 18:46:12,015 INFO L231 Difference]: Finished difference. Result has 275 places, 0 transitions, 0 flow [2022-11-18 18:46:12,016 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=637, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=275, PETRI_TRANSITIONS=0} [2022-11-18 18:46:12,018 INFO L288 CegarLoopForPetriNet]: 290 programPoint places, -15 predicate places. [2022-11-18 18:46:12,018 INFO L495 AbstractCegarLoop]: Abstraction has has 275 places, 0 transitions, 0 flow [2022-11-18 18:46:12,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 300.6666666666667) internal successors, (902), 3 states have internal predecessors, (902), 0 states have call successors, (0), 0 states 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 18:46:12,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (51 of 52 remaining) [2022-11-18 18:46:12,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (50 of 52 remaining) [2022-11-18 18:46:12,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (49 of 52 remaining) [2022-11-18 18:46:12,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (48 of 52 remaining) [2022-11-18 18:46:12,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (47 of 52 remaining) [2022-11-18 18:46:12,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (46 of 52 remaining) [2022-11-18 18:46:12,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (45 of 52 remaining) [2022-11-18 18:46:12,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (44 of 52 remaining) [2022-11-18 18:46:12,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (43 of 52 remaining) [2022-11-18 18:46:12,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (42 of 52 remaining) [2022-11-18 18:46:12,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (41 of 52 remaining) [2022-11-18 18:46:12,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (40 of 52 remaining) [2022-11-18 18:46:12,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (39 of 52 remaining) [2022-11-18 18:46:12,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (38 of 52 remaining) [2022-11-18 18:46:12,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (37 of 52 remaining) [2022-11-18 18:46:12,024 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (36 of 52 remaining) [2022-11-18 18:46:12,024 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (35 of 52 remaining) [2022-11-18 18:46:12,024 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (34 of 52 remaining) [2022-11-18 18:46:12,024 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (33 of 52 remaining) [2022-11-18 18:46:12,024 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (32 of 52 remaining) [2022-11-18 18:46:12,024 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (31 of 52 remaining) [2022-11-18 18:46:12,025 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (30 of 52 remaining) [2022-11-18 18:46:12,025 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (29 of 52 remaining) [2022-11-18 18:46:12,025 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (28 of 52 remaining) [2022-11-18 18:46:12,025 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (27 of 52 remaining) [2022-11-18 18:46:12,025 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (26 of 52 remaining) [2022-11-18 18:46:12,026 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (25 of 52 remaining) [2022-11-18 18:46:12,026 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (24 of 52 remaining) [2022-11-18 18:46:12,026 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (23 of 52 remaining) [2022-11-18 18:46:12,026 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (22 of 52 remaining) [2022-11-18 18:46:12,026 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (21 of 52 remaining) [2022-11-18 18:46:12,026 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (20 of 52 remaining) [2022-11-18 18:46:12,027 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 52 remaining) [2022-11-18 18:46:12,028 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 52 remaining) [2022-11-18 18:46:12,028 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (17 of 52 remaining) [2022-11-18 18:46:12,028 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (16 of 52 remaining) [2022-11-18 18:46:12,028 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (15 of 52 remaining) [2022-11-18 18:46:12,028 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (14 of 52 remaining) [2022-11-18 18:46:12,029 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (13 of 52 remaining) [2022-11-18 18:46:12,029 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (12 of 52 remaining) [2022-11-18 18:46:12,029 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (11 of 52 remaining) [2022-11-18 18:46:12,029 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (10 of 52 remaining) [2022-11-18 18:46:12,029 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (9 of 52 remaining) [2022-11-18 18:46:12,029 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (8 of 52 remaining) [2022-11-18 18:46:12,029 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (7 of 52 remaining) [2022-11-18 18:46:12,030 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (6 of 52 remaining) [2022-11-18 18:46:12,030 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (5 of 52 remaining) [2022-11-18 18:46:12,030 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (4 of 52 remaining) [2022-11-18 18:46:12,030 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (3 of 52 remaining) [2022-11-18 18:46:12,030 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (2 of 52 remaining) [2022-11-18 18:46:12,031 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (1 of 52 remaining) [2022-11-18 18:46:12,031 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (0 of 52 remaining) [2022-11-18 18:46:12,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-18 18:46:12,031 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:46:12,038 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-18 18:46:12,038 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 18:46:12,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 06:46:12 BasicIcfg [2022-11-18 18:46:12,045 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 18:46:12,045 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 18:46:12,045 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 18:46:12,046 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 18:46:12,046 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:46:05" (3/4) ... [2022-11-18 18:46:12,048 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 18:46:12,054 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-18 18:46:12,054 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-18 18:46:12,061 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-11-18 18:46:12,061 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-18 18:46:12,062 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 18:46:12,062 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 18:46:12,117 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26265827-e0da-4bab-aa0d-73425c377956/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 18:46:12,117 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 18:46:12,118 INFO L158 Benchmark]: Toolchain (without parser) took 7524.60ms. Allocated memory was 115.3MB in the beginning and 222.3MB in the end (delta: 107.0MB). Free memory was 72.8MB in the beginning and 124.2MB in the end (delta: -51.4MB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. [2022-11-18 18:46:12,118 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 115.3MB. Free memory is still 89.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:46:12,119 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.00ms. Allocated memory is still 115.3MB. Free memory was 72.6MB in the beginning and 89.1MB in the end (delta: -16.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 18:46:12,119 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.71ms. Allocated memory is still 115.3MB. Free memory was 89.1MB in the beginning and 86.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 18:46:12,119 INFO L158 Benchmark]: Boogie Preprocessor took 48.62ms. Allocated memory is still 115.3MB. Free memory was 86.7MB in the beginning and 85.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 18:46:12,120 INFO L158 Benchmark]: RCFGBuilder took 771.33ms. Allocated memory is still 115.3MB. Free memory was 85.0MB in the beginning and 61.9MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-18 18:46:12,120 INFO L158 Benchmark]: TraceAbstraction took 6302.17ms. Allocated memory was 115.3MB in the beginning and 222.3MB in the end (delta: 107.0MB). Free memory was 61.3MB in the beginning and 127.3MB in the end (delta: -66.0MB). Peak memory consumption was 106.8MB. Max. memory is 16.1GB. [2022-11-18 18:46:12,120 INFO L158 Benchmark]: Witness Printer took 71.77ms. Allocated memory is still 222.3MB. Free memory was 127.3MB in the beginning and 124.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 18:46:12,123 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 115.3MB. Free memory is still 89.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.00ms. Allocated memory is still 115.3MB. Free memory was 72.6MB in the beginning and 89.1MB in the end (delta: -16.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.71ms. Allocated memory is still 115.3MB. Free memory was 89.1MB in the beginning and 86.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.62ms. Allocated memory is still 115.3MB. Free memory was 86.7MB in the beginning and 85.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 771.33ms. Allocated memory is still 115.3MB. Free memory was 85.0MB in the beginning and 61.9MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 6302.17ms. Allocated memory was 115.3MB in the beginning and 222.3MB in the end (delta: 107.0MB). Free memory was 61.3MB in the beginning and 127.3MB in the end (delta: -66.0MB). Peak memory consumption was 106.8MB. Max. memory is 16.1GB. * Witness Printer took 71.77ms. Allocated memory is still 222.3MB. Free memory was 127.3MB in the beginning and 124.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 455 locations, 52 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.1s, OverallIterations: 18, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 70 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 70 mSDsluCounter, 166 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 49 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 323 IncrementalHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 49 mSolverCounterUnsat, 166 mSDtfsCounter, 323 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=655occurred in iteration=16, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1289 NumberOfCodeBlocks, 1289 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1271 ConstructedInterpolants, 0 QuantifiedInterpolants, 1465 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 32 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-18 18:46:12,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26265827-e0da-4bab-aa0d-73425c377956/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE