./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/fib_unsafe-7.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68605ca7-a788-4931-8b1e-068a5cb4874c/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68605ca7-a788-4931-8b1e-068a5cb4874c/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_68605ca7-a788-4931-8b1e-068a5cb4874c/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68605ca7-a788-4931-8b1e-068a5cb4874c/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68605ca7-a788-4931-8b1e-068a5cb4874c/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_68605ca7-a788-4931-8b1e-068a5cb4874c/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 9dd305458f279ed18533a5a8c9a570d4bd72d2bae061b99b7bd3d54e645e2f00 --- 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 20:13:46,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:13:46,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:13:46,824 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:13:46,824 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:13:46,829 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:13:46,831 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:13:46,837 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:13:46,839 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:13:46,844 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:13:46,846 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:13:46,848 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:13:46,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:13:46,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:13:46,852 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:13:46,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:13:46,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:13:46,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:13:46,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:13:46,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:13:46,869 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:13:46,870 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:13:46,871 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:13:46,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:13:46,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:13:46,875 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:13:46,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:13:46,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:13:46,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:13:46,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:13:46,880 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:13:46,881 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:13:46,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:13:46,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:13:46,887 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:13:46,887 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:13:46,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:13:46,888 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:13:46,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:13:46,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:13:46,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:13:46,891 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68605ca7-a788-4931-8b1e-068a5cb4874c/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-18 20:13:46,942 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:13:46,942 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:13:46,943 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:13:46,943 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:13:46,944 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:13:46,944 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:13:46,945 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:13:46,945 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:13:46,946 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:13:46,946 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:13:46,947 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:13:46,947 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:13:46,948 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:13:46,948 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:13:46,948 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:13:46,948 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:13:46,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:13:46,949 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:13:46,949 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-18 20:13:46,949 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:13:46,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:13:46,950 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:13:46,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:13:46,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:13:46,950 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:13:46,951 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:13:46,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:13:46,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:13:46,953 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:13:46,953 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:13:46,953 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:13:46,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:13:46,954 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:13:46,958 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:13:46,958 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:13:46,958 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_68605ca7-a788-4931-8b1e-068a5cb4874c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68605ca7-a788-4931-8b1e-068a5cb4874c/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9dd305458f279ed18533a5a8c9a570d4bd72d2bae061b99b7bd3d54e645e2f00 [2022-11-18 20:13:47,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:13:47,275 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:13:47,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:13:47,279 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:13:47,280 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:13:47,281 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68605ca7-a788-4931-8b1e-068a5cb4874c/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/pthread/fib_unsafe-7.i [2022-11-18 20:13:47,354 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68605ca7-a788-4931-8b1e-068a5cb4874c/bin/uautomizer-TMbwUNV5ro/data/53e3df16b/3a89dd0513a6468e8c788e8053df93d3/FLAGec2bfbe26 [2022-11-18 20:13:47,858 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:13:47,858 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68605ca7-a788-4931-8b1e-068a5cb4874c/sv-benchmarks/c/pthread/fib_unsafe-7.i [2022-11-18 20:13:47,907 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68605ca7-a788-4931-8b1e-068a5cb4874c/bin/uautomizer-TMbwUNV5ro/data/53e3df16b/3a89dd0513a6468e8c788e8053df93d3/FLAGec2bfbe26 [2022-11-18 20:13:48,171 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68605ca7-a788-4931-8b1e-068a5cb4874c/bin/uautomizer-TMbwUNV5ro/data/53e3df16b/3a89dd0513a6468e8c788e8053df93d3 [2022-11-18 20:13:48,175 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:13:48,176 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:13:48,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:13:48,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:13:48,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:13:48,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:13:48" (1/1) ... [2022-11-18 20:13:48,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5efe12e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:13:48, skipping insertion in model container [2022-11-18 20:13:48,185 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:13:48" (1/1) ... [2022-11-18 20:13:48,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:13:48,255 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:13:48,565 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_68605ca7-a788-4931-8b1e-068a5cb4874c/sv-benchmarks/c/pthread/fib_unsafe-7.i[30243,30256] [2022-11-18 20:13:48,591 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:13:48,599 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:13:48,638 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_68605ca7-a788-4931-8b1e-068a5cb4874c/sv-benchmarks/c/pthread/fib_unsafe-7.i[30243,30256] [2022-11-18 20:13:48,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:13:48,694 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:13:48,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:13:48 WrapperNode [2022-11-18 20:13:48,695 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:13:48,696 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:13:48,696 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:13:48,696 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:13:48,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:13:48" (1/1) ... [2022-11-18 20:13:48,738 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:13:48" (1/1) ... [2022-11-18 20:13:48,770 INFO L138 Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 126 [2022-11-18 20:13:48,770 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:13:48,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:13:48,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:13:48,771 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:13:48,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:13:48" (1/1) ... [2022-11-18 20:13:48,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:13:48" (1/1) ... [2022-11-18 20:13:48,781 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:13:48" (1/1) ... [2022-11-18 20:13:48,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:13:48" (1/1) ... [2022-11-18 20:13:48,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:13:48" (1/1) ... [2022-11-18 20:13:48,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:13:48" (1/1) ... [2022-11-18 20:13:48,792 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:13:48" (1/1) ... [2022-11-18 20:13:48,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:13:48" (1/1) ... [2022-11-18 20:13:48,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:13:48,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:13:48,797 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:13:48,797 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:13:48,798 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:13:48" (1/1) ... [2022-11-18 20:13:48,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:13:48,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68605ca7-a788-4931-8b1e-068a5cb4874c/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:13:48,830 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68605ca7-a788-4931-8b1e-068a5cb4874c/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:13:48,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68605ca7-a788-4931-8b1e-068a5cb4874c/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:13:48,889 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-18 20:13:48,890 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-18 20:13:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-18 20:13:48,890 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-18 20:13:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:13:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-18 20:13:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:13:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:13:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:13:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:13:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-18 20:13:48,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:13:48,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:13:48,894 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 20:13:49,072 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:13:49,074 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:13:49,393 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:13:49,467 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:13:49,468 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-18 20:13:49,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:13:49 BoogieIcfgContainer [2022-11-18 20:13:49,471 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:13:49,473 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:13:49,473 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:13:49,476 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:13:49,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:13:48" (1/3) ... [2022-11-18 20:13:49,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f9c05f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:13:49, skipping insertion in model container [2022-11-18 20:13:49,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:13:48" (2/3) ... [2022-11-18 20:13:49,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f9c05f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:13:49, skipping insertion in model container [2022-11-18 20:13:49,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:13:49" (3/3) ... [2022-11-18 20:13:49,480 INFO L112 eAbstractionObserver]: Analyzing ICFG fib_unsafe-7.i [2022-11-18 20:13:49,489 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 20:13:49,499 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:13:49,499 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2022-11-18 20:13:49,499 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 20:13:49,607 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-18 20:13:49,649 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 188 places, 188 transitions, 386 flow [2022-11-18 20:13:49,765 INFO L130 PetriNetUnfolder]: 7/186 cut-off events. [2022-11-18 20:13:49,766 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:13:49,773 INFO L83 FinitePrefix]: Finished finitePrefix Result has 193 conditions, 186 events. 7/186 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 339 event pairs, 0 based on Foata normal form. 0/149 useless extension candidates. Maximal degree in co-relation 155. Up to 2 conditions per place. [2022-11-18 20:13:49,774 INFO L82 GeneralOperation]: Start removeDead. Operand has 188 places, 188 transitions, 386 flow [2022-11-18 20:13:49,781 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 186 places, 186 transitions, 378 flow [2022-11-18 20:13:49,791 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:13:49,798 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;@103349bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:13:49,798 INFO L358 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2022-11-18 20:13:49,806 INFO L130 PetriNetUnfolder]: 0/25 cut-off events. [2022-11-18 20:13:49,806 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:13:49,807 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:13:49,807 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:13:49,808 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 20:13:49,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:13:49,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1648115188, now seen corresponding path program 1 times [2022-11-18 20:13:49,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:13:49,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68476754] [2022-11-18 20:13:49,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:13:49,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:13:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:50,076 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 20:13:50,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:13:50,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68476754] [2022-11-18 20:13:50,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68476754] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:13:50,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:13:50,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-18 20:13:50,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215203036] [2022-11-18 20:13:50,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:13:50,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 20:13:50,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:13:50,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 20:13:50,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 20:13:50,134 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 188 [2022-11-18 20:13:50,137 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 186 transitions, 378 flow. Second operand has 2 states, 2 states have (on average 166.5) internal successors, (333), 2 states have internal predecessors, (333), 0 states have call successors, (0), 0 states 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 20:13:50,143 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:13:50,143 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 188 [2022-11-18 20:13:50,145 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:13:50,263 INFO L130 PetriNetUnfolder]: 13/326 cut-off events. [2022-11-18 20:13:50,263 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-18 20:13:50,268 INFO L83 FinitePrefix]: Finished finitePrefix Result has 356 conditions, 326 events. 13/326 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1149 event pairs, 6 based on Foata normal form. 18/290 useless extension candidates. Maximal degree in co-relation 316. Up to 21 conditions per place. [2022-11-18 20:13:50,271 INFO L137 encePairwiseOnDemand]: 174/188 looper letters, 7 selfloop transitions, 0 changer transitions 0/171 dead transitions. [2022-11-18 20:13:50,271 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 171 transitions, 362 flow [2022-11-18 20:13:50,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 20:13:50,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-18 20:13:50,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 353 transitions. [2022-11-18 20:13:50,293 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9388297872340425 [2022-11-18 20:13:50,294 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 353 transitions. [2022-11-18 20:13:50,295 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 353 transitions. [2022-11-18 20:13:50,299 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:13:50,301 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 353 transitions. [2022-11-18 20:13:50,306 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 176.5) internal successors, (353), 2 states have internal predecessors, (353), 0 states have call successors, (0), 0 states 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 20:13:50,314 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 188.0) internal successors, (564), 3 states have internal predecessors, (564), 0 states have call successors, (0), 0 states 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 20:13:50,315 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 188.0) internal successors, (564), 3 states have internal predecessors, (564), 0 states have call successors, (0), 0 states 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 20:13:50,317 INFO L175 Difference]: Start difference. First operand has 186 places, 186 transitions, 378 flow. Second operand 2 states and 353 transitions. [2022-11-18 20:13:50,318 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 171 transitions, 362 flow [2022-11-18 20:13:50,322 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 171 transitions, 360 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:13:50,327 INFO L231 Difference]: Finished difference. Result has 174 places, 171 transitions, 346 flow [2022-11-18 20:13:50,329 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=346, PETRI_PLACES=174, PETRI_TRANSITIONS=171} [2022-11-18 20:13:50,337 INFO L288 CegarLoopForPetriNet]: 186 programPoint places, -12 predicate places. [2022-11-18 20:13:50,337 INFO L495 AbstractCegarLoop]: Abstraction has has 174 places, 171 transitions, 346 flow [2022-11-18 20:13:50,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 166.5) internal successors, (333), 2 states have internal predecessors, (333), 0 states have call successors, (0), 0 states 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 20:13:50,338 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:13:50,338 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:13:50,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:13:50,339 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 20:13:50,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:13:50,342 INFO L85 PathProgramCache]: Analyzing trace with hash 838962904, now seen corresponding path program 1 times [2022-11-18 20:13:50,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:13:50,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827585891] [2022-11-18 20:13:50,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:13:50,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:13:50,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:50,512 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 20:13:50,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:13:50,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827585891] [2022-11-18 20:13:50,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827585891] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:13:50,513 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:13:50,513 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:13:50,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537487721] [2022-11-18 20:13:50,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:13:50,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:13:50,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:13:50,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:13:50,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:13:50,520 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 188 [2022-11-18 20:13:50,521 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 171 transitions, 346 flow. Second operand has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 0 states 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 20:13:50,521 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:13:50,526 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 188 [2022-11-18 20:13:50,526 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:13:50,698 INFO L130 PetriNetUnfolder]: 93/540 cut-off events. [2022-11-18 20:13:50,698 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:13:50,703 INFO L83 FinitePrefix]: Finished finitePrefix Result has 738 conditions, 540 events. 93/540 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 3087 event pairs, 61 based on Foata normal form. 0/425 useless extension candidates. Maximal degree in co-relation 735. Up to 142 conditions per place. [2022-11-18 20:13:50,707 INFO L137 encePairwiseOnDemand]: 185/188 looper letters, 21 selfloop transitions, 2 changer transitions 0/173 dead transitions. [2022-11-18 20:13:50,707 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 173 transitions, 398 flow [2022-11-18 20:13:50,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:13:50,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:13:50,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 480 transitions. [2022-11-18 20:13:50,711 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.851063829787234 [2022-11-18 20:13:50,711 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 480 transitions. [2022-11-18 20:13:50,712 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 480 transitions. [2022-11-18 20:13:50,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:13:50,712 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 480 transitions. [2022-11-18 20:13:50,714 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 160.0) internal successors, (480), 3 states have internal predecessors, (480), 0 states have call successors, (0), 0 states 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 20:13:50,718 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states 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 20:13:50,718 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states 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 20:13:50,719 INFO L175 Difference]: Start difference. First operand has 174 places, 171 transitions, 346 flow. Second operand 3 states and 480 transitions. [2022-11-18 20:13:50,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 173 transitions, 398 flow [2022-11-18 20:13:50,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 173 transitions, 398 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 20:13:50,726 INFO L231 Difference]: Finished difference. Result has 175 places, 170 transitions, 348 flow [2022-11-18 20:13:50,727 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=348, PETRI_PLACES=175, PETRI_TRANSITIONS=170} [2022-11-18 20:13:50,728 INFO L288 CegarLoopForPetriNet]: 186 programPoint places, -11 predicate places. [2022-11-18 20:13:50,728 INFO L495 AbstractCegarLoop]: Abstraction has has 175 places, 170 transitions, 348 flow [2022-11-18 20:13:50,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 0 states 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 20:13:50,729 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:13:50,730 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] [2022-11-18 20:13:50,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:13:50,730 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 20:13:50,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:13:50,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1129701979, now seen corresponding path program 1 times [2022-11-18 20:13:50,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:13:50,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209615938] [2022-11-18 20:13:50,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:13:50,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:13:50,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:50,843 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 20:13:50,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:13:50,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209615938] [2022-11-18 20:13:50,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209615938] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:13:50,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:13:50,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:13:50,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134099275] [2022-11-18 20:13:50,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:13:50,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:13:50,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:13:50,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:13:50,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:13:50,847 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 188 [2022-11-18 20:13:50,848 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 170 transitions, 348 flow. Second operand has 3 states, 3 states have (on average 156.33333333333334) internal successors, (469), 3 states have internal predecessors, (469), 0 states have call successors, (0), 0 states 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 20:13:50,848 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:13:50,849 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 188 [2022-11-18 20:13:50,849 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:13:50,996 INFO L130 PetriNetUnfolder]: 77/489 cut-off events. [2022-11-18 20:13:50,996 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-11-18 20:13:50,999 INFO L83 FinitePrefix]: Finished finitePrefix Result has 654 conditions, 489 events. 77/489 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2591 event pairs, 31 based on Foata normal form. 0/396 useless extension candidates. Maximal degree in co-relation 650. Up to 68 conditions per place. [2022-11-18 20:13:51,002 INFO L137 encePairwiseOnDemand]: 184/188 looper letters, 17 selfloop transitions, 2 changer transitions 0/171 dead transitions. [2022-11-18 20:13:51,002 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 171 transitions, 390 flow [2022-11-18 20:13:51,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:13:51,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:13:51,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 483 transitions. [2022-11-18 20:13:51,004 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8563829787234043 [2022-11-18 20:13:51,004 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 483 transitions. [2022-11-18 20:13:51,005 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 483 transitions. [2022-11-18 20:13:51,005 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:13:51,005 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 483 transitions. [2022-11-18 20:13:51,006 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 0 states have call successors, (0), 0 states 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 20:13:51,008 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states 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 20:13:51,008 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states 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 20:13:51,008 INFO L175 Difference]: Start difference. First operand has 175 places, 170 transitions, 348 flow. Second operand 3 states and 483 transitions. [2022-11-18 20:13:51,009 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 171 transitions, 390 flow [2022-11-18 20:13:51,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 171 transitions, 386 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:13:51,012 INFO L231 Difference]: Finished difference. Result has 173 places, 168 transitions, 344 flow [2022-11-18 20:13:51,013 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=344, PETRI_PLACES=173, PETRI_TRANSITIONS=168} [2022-11-18 20:13:51,014 INFO L288 CegarLoopForPetriNet]: 186 programPoint places, -13 predicate places. [2022-11-18 20:13:51,014 INFO L495 AbstractCegarLoop]: Abstraction has has 173 places, 168 transitions, 344 flow [2022-11-18 20:13:51,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 156.33333333333334) internal successors, (469), 3 states have internal predecessors, (469), 0 states have call successors, (0), 0 states 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 20:13:51,014 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:13:51,014 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:13:51,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:13:51,015 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 20:13:51,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:13:51,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1358851730, now seen corresponding path program 1 times [2022-11-18 20:13:51,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:13:51,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169187328] [2022-11-18 20:13:51,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:13:51,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:13:51,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:51,067 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 20:13:51,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:13:51,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169187328] [2022-11-18 20:13:51,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169187328] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:13:51,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:13:51,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:13:51,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379084903] [2022-11-18 20:13:51,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:13:51,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:13:51,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:13:51,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:13:51,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:13:51,070 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 188 [2022-11-18 20:13:51,071 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 168 transitions, 344 flow. Second operand has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 0 states have call successors, (0), 0 states 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 20:13:51,071 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:13:51,071 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 188 [2022-11-18 20:13:51,071 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:13:51,173 INFO L130 PetriNetUnfolder]: 65/379 cut-off events. [2022-11-18 20:13:51,174 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:13:51,176 INFO L83 FinitePrefix]: Finished finitePrefix Result has 513 conditions, 379 events. 65/379 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1962 event pairs, 50 based on Foata normal form. 0/305 useless extension candidates. Maximal degree in co-relation 509. Up to 107 conditions per place. [2022-11-18 20:13:51,178 INFO L137 encePairwiseOnDemand]: 185/188 looper letters, 20 selfloop transitions, 2 changer transitions 0/169 dead transitions. [2022-11-18 20:13:51,178 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 169 transitions, 390 flow [2022-11-18 20:13:51,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:13:51,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:13:51,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 479 transitions. [2022-11-18 20:13:51,180 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.849290780141844 [2022-11-18 20:13:51,181 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 479 transitions. [2022-11-18 20:13:51,181 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 479 transitions. [2022-11-18 20:13:51,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:13:51,181 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 479 transitions. [2022-11-18 20:13:51,183 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 159.66666666666666) internal successors, (479), 3 states have internal predecessors, (479), 0 states have call successors, (0), 0 states 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 20:13:51,184 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states 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 20:13:51,184 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states 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 20:13:51,185 INFO L175 Difference]: Start difference. First operand has 173 places, 168 transitions, 344 flow. Second operand 3 states and 479 transitions. [2022-11-18 20:13:51,185 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 169 transitions, 390 flow [2022-11-18 20:13:51,186 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 169 transitions, 386 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:13:51,189 INFO L231 Difference]: Finished difference. Result has 172 places, 167 transitions, 342 flow [2022-11-18 20:13:51,189 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=342, PETRI_PLACES=172, PETRI_TRANSITIONS=167} [2022-11-18 20:13:51,190 INFO L288 CegarLoopForPetriNet]: 186 programPoint places, -14 predicate places. [2022-11-18 20:13:51,190 INFO L495 AbstractCegarLoop]: Abstraction has has 172 places, 167 transitions, 342 flow [2022-11-18 20:13:51,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 0 states have call successors, (0), 0 states 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 20:13:51,190 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:13:51,191 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] [2022-11-18 20:13:51,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:13:51,191 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 20:13:51,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:13:51,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1484569501, now seen corresponding path program 1 times [2022-11-18 20:13:51,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:13:51,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877483526] [2022-11-18 20:13:51,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:13:51,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:13:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:51,236 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 20:13:51,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:13:51,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877483526] [2022-11-18 20:13:51,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877483526] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:13:51,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:13:51,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:13:51,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329196276] [2022-11-18 20:13:51,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:13:51,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:13:51,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:13:51,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:13:51,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:13:51,239 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 188 [2022-11-18 20:13:51,240 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 167 transitions, 342 flow. Second operand has 3 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 states have internal predecessors, (470), 0 states have call successors, (0), 0 states 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 20:13:51,240 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:13:51,240 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 188 [2022-11-18 20:13:51,240 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:13:51,368 INFO L130 PetriNetUnfolder]: 49/383 cut-off events. [2022-11-18 20:13:51,368 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-18 20:13:51,370 INFO L83 FinitePrefix]: Finished finitePrefix Result has 491 conditions, 383 events. 49/383 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1988 event pairs, 24 based on Foata normal form. 0/324 useless extension candidates. Maximal degree in co-relation 487. Up to 51 conditions per place. [2022-11-18 20:13:51,373 INFO L137 encePairwiseOnDemand]: 184/188 looper letters, 16 selfloop transitions, 2 changer transitions 0/167 dead transitions. [2022-11-18 20:13:51,373 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 167 transitions, 378 flow [2022-11-18 20:13:51,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:13:51,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:13:51,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 482 transitions. [2022-11-18 20:13:51,376 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8546099290780141 [2022-11-18 20:13:51,376 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 482 transitions. [2022-11-18 20:13:51,376 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 482 transitions. [2022-11-18 20:13:51,377 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:13:51,377 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 482 transitions. [2022-11-18 20:13:51,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 states have internal predecessors, (482), 0 states have call successors, (0), 0 states 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 20:13:51,380 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states 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 20:13:51,381 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states 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 20:13:51,381 INFO L175 Difference]: Start difference. First operand has 172 places, 167 transitions, 342 flow. Second operand 3 states and 482 transitions. [2022-11-18 20:13:51,381 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 167 transitions, 378 flow [2022-11-18 20:13:51,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 167 transitions, 374 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:13:51,385 INFO L231 Difference]: Finished difference. Result has 170 places, 165 transitions, 338 flow [2022-11-18 20:13:51,386 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=334, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=338, PETRI_PLACES=170, PETRI_TRANSITIONS=165} [2022-11-18 20:13:51,387 INFO L288 CegarLoopForPetriNet]: 186 programPoint places, -16 predicate places. [2022-11-18 20:13:51,387 INFO L495 AbstractCegarLoop]: Abstraction has has 170 places, 165 transitions, 338 flow [2022-11-18 20:13:51,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 states have internal predecessors, (470), 0 states have call successors, (0), 0 states 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 20:13:51,388 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:13:51,388 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:13:51,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 20:13:51,388 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 20:13:51,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:13:51,389 INFO L85 PathProgramCache]: Analyzing trace with hash 936530402, now seen corresponding path program 1 times [2022-11-18 20:13:51,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:13:51,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999223778] [2022-11-18 20:13:51,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:13:51,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:13:51,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:51,457 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 20:13:51,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:13:51,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999223778] [2022-11-18 20:13:51,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999223778] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:13:51,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:13:51,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:13:51,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749999290] [2022-11-18 20:13:51,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:13:51,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:13:51,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:13:51,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:13:51,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:13:51,461 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 188 [2022-11-18 20:13:51,462 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 165 transitions, 338 flow. Second operand has 3 states, 3 states have (on average 153.66666666666666) internal successors, (461), 3 states have internal predecessors, (461), 0 states have call successors, (0), 0 states 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 20:13:51,462 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:13:51,462 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 188 [2022-11-18 20:13:51,462 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:13:51,582 INFO L130 PetriNetUnfolder]: 69/485 cut-off events. [2022-11-18 20:13:51,583 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:13:51,585 INFO L83 FinitePrefix]: Finished finitePrefix Result has 629 conditions, 485 events. 69/485 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2658 event pairs, 54 based on Foata normal form. 0/420 useless extension candidates. Maximal degree in co-relation 625. Up to 115 conditions per place. [2022-11-18 20:13:51,588 INFO L137 encePairwiseOnDemand]: 185/188 looper letters, 21 selfloop transitions, 2 changer transitions 0/166 dead transitions. [2022-11-18 20:13:51,588 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 166 transitions, 386 flow [2022-11-18 20:13:51,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:13:51,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:13:51,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 477 transitions. [2022-11-18 20:13:51,590 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8457446808510638 [2022-11-18 20:13:51,591 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 477 transitions. [2022-11-18 20:13:51,591 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 477 transitions. [2022-11-18 20:13:51,591 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:13:51,591 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 477 transitions. [2022-11-18 20:13:51,592 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:13:51,594 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states 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 20:13:51,594 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states 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 20:13:51,595 INFO L175 Difference]: Start difference. First operand has 170 places, 165 transitions, 338 flow. Second operand 3 states and 477 transitions. [2022-11-18 20:13:51,595 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 166 transitions, 386 flow [2022-11-18 20:13:51,596 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 166 transitions, 382 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:13:51,599 INFO L231 Difference]: Finished difference. Result has 169 places, 164 transitions, 336 flow [2022-11-18 20:13:51,599 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=336, PETRI_PLACES=169, PETRI_TRANSITIONS=164} [2022-11-18 20:13:51,602 INFO L288 CegarLoopForPetriNet]: 186 programPoint places, -17 predicate places. [2022-11-18 20:13:51,602 INFO L495 AbstractCegarLoop]: Abstraction has has 169 places, 164 transitions, 336 flow [2022-11-18 20:13:51,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 153.66666666666666) internal successors, (461), 3 states have internal predecessors, (461), 0 states have call successors, (0), 0 states 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 20:13:51,603 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:13:51,604 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:13:51,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 20:13:51,604 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 20:13:51,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:13:51,605 INFO L85 PathProgramCache]: Analyzing trace with hash -631841407, now seen corresponding path program 1 times [2022-11-18 20:13:51,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:13:51,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930302780] [2022-11-18 20:13:51,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:13:51,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:13:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:51,694 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 20:13:51,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:13:51,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930302780] [2022-11-18 20:13:51,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930302780] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:13:51,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:13:51,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:13:51,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116891555] [2022-11-18 20:13:51,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:13:51,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:13:51,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:13:51,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:13:51,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:13:51,697 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 188 [2022-11-18 20:13:51,698 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 164 transitions, 336 flow. Second operand has 3 states, 3 states have (on average 156.33333333333334) internal successors, (469), 3 states have internal predecessors, (469), 0 states have call successors, (0), 0 states 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 20:13:51,698 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:13:51,698 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 188 [2022-11-18 20:13:51,698 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:13:51,811 INFO L130 PetriNetUnfolder]: 70/441 cut-off events. [2022-11-18 20:13:51,811 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:13:51,813 INFO L83 FinitePrefix]: Finished finitePrefix Result has 597 conditions, 441 events. 70/441 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2237 event pairs, 41 based on Foata normal form. 0/381 useless extension candidates. Maximal degree in co-relation 593. Up to 105 conditions per place. [2022-11-18 20:13:51,815 INFO L137 encePairwiseOnDemand]: 185/188 looper letters, 18 selfloop transitions, 2 changer transitions 0/166 dead transitions. [2022-11-18 20:13:51,816 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 166 transitions, 382 flow [2022-11-18 20:13:51,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:13:51,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:13:51,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 477 transitions. [2022-11-18 20:13:51,818 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8457446808510638 [2022-11-18 20:13:51,818 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 477 transitions. [2022-11-18 20:13:51,818 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 477 transitions. [2022-11-18 20:13:51,819 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:13:51,819 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 477 transitions. [2022-11-18 20:13:51,821 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:13:51,822 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states 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 20:13:51,823 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states 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 20:13:51,823 INFO L175 Difference]: Start difference. First operand has 169 places, 164 transitions, 336 flow. Second operand 3 states and 477 transitions. [2022-11-18 20:13:51,823 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 166 transitions, 382 flow [2022-11-18 20:13:51,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 166 transitions, 378 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:13:51,827 INFO L231 Difference]: Finished difference. Result has 168 places, 163 transitions, 334 flow [2022-11-18 20:13:51,828 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=334, PETRI_PLACES=168, PETRI_TRANSITIONS=163} [2022-11-18 20:13:51,829 INFO L288 CegarLoopForPetriNet]: 186 programPoint places, -18 predicate places. [2022-11-18 20:13:51,829 INFO L495 AbstractCegarLoop]: Abstraction has has 168 places, 163 transitions, 334 flow [2022-11-18 20:13:51,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 156.33333333333334) internal successors, (469), 3 states have internal predecessors, (469), 0 states have call successors, (0), 0 states 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 20:13:51,830 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:13:51,830 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:13:51,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 20:13:51,831 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 20:13:51,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:13:51,831 INFO L85 PathProgramCache]: Analyzing trace with hash 70049128, now seen corresponding path program 1 times [2022-11-18 20:13:51,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:13:51,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951283217] [2022-11-18 20:13:51,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:13:51,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:13:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:51,888 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 20:13:51,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:13:51,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951283217] [2022-11-18 20:13:51,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951283217] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:13:51,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:13:51,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:13:51,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260532443] [2022-11-18 20:13:51,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:13:51,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:13:51,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:13:51,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:13:51,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:13:51,891 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 188 [2022-11-18 20:13:51,892 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 163 transitions, 334 flow. Second operand has 3 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 states have internal predecessors, (470), 0 states have call successors, (0), 0 states 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 20:13:51,892 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:13:51,892 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 188 [2022-11-18 20:13:51,892 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:13:51,984 INFO L130 PetriNetUnfolder]: 49/450 cut-off events. [2022-11-18 20:13:51,984 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:13:51,986 INFO L83 FinitePrefix]: Finished finitePrefix Result has 552 conditions, 450 events. 49/450 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2270 event pairs, 22 based on Foata normal form. 0/396 useless extension candidates. Maximal degree in co-relation 548. Up to 51 conditions per place. [2022-11-18 20:13:51,988 INFO L137 encePairwiseOnDemand]: 184/188 looper letters, 16 selfloop transitions, 2 changer transitions 0/163 dead transitions. [2022-11-18 20:13:51,988 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 163 transitions, 370 flow [2022-11-18 20:13:51,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:13:51,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:13:51,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 482 transitions. [2022-11-18 20:13:51,990 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8546099290780141 [2022-11-18 20:13:51,990 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 482 transitions. [2022-11-18 20:13:51,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 482 transitions. [2022-11-18 20:13:51,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:13:51,994 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 482 transitions. [2022-11-18 20:13:51,996 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 states have internal predecessors, (482), 0 states have call successors, (0), 0 states 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 20:13:51,997 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states 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 20:13:51,997 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states 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 20:13:51,997 INFO L175 Difference]: Start difference. First operand has 168 places, 163 transitions, 334 flow. Second operand 3 states and 482 transitions. [2022-11-18 20:13:51,997 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 163 transitions, 370 flow [2022-11-18 20:13:51,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 163 transitions, 366 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:13:52,001 INFO L231 Difference]: Finished difference. Result has 166 places, 161 transitions, 330 flow [2022-11-18 20:13:52,001 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=330, PETRI_PLACES=166, PETRI_TRANSITIONS=161} [2022-11-18 20:13:52,004 INFO L288 CegarLoopForPetriNet]: 186 programPoint places, -20 predicate places. [2022-11-18 20:13:52,005 INFO L495 AbstractCegarLoop]: Abstraction has has 166 places, 161 transitions, 330 flow [2022-11-18 20:13:52,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 states have internal predecessors, (470), 0 states have call successors, (0), 0 states 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 20:13:52,005 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:13:52,005 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 20:13:52,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 20:13:52,006 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 20:13:52,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:13:52,006 INFO L85 PathProgramCache]: Analyzing trace with hash -520105045, now seen corresponding path program 1 times [2022-11-18 20:13:52,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:13:52,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881381377] [2022-11-18 20:13:52,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:13:52,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:13:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:52,080 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 20:13:52,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:13:52,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881381377] [2022-11-18 20:13:52,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881381377] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:13:52,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:13:52,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:13:52,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544322342] [2022-11-18 20:13:52,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:13:52,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:13:52,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:13:52,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:13:52,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:13:52,085 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 188 [2022-11-18 20:13:52,085 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 161 transitions, 330 flow. Second operand has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:13:52,085 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:13:52,086 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 188 [2022-11-18 20:13:52,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:13:52,196 INFO L130 PetriNetUnfolder]: 41/594 cut-off events. [2022-11-18 20:13:52,196 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:13:52,199 INFO L83 FinitePrefix]: Finished finitePrefix Result has 695 conditions, 594 events. 41/594 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2777 event pairs, 14 based on Foata normal form. 0/514 useless extension candidates. Maximal degree in co-relation 691. Up to 45 conditions per place. [2022-11-18 20:13:52,201 INFO L137 encePairwiseOnDemand]: 185/188 looper letters, 16 selfloop transitions, 2 changer transitions 0/166 dead transitions. [2022-11-18 20:13:52,202 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 166 transitions, 376 flow [2022-11-18 20:13:52,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:13:52,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:13:52,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 499 transitions. [2022-11-18 20:13:52,204 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8847517730496454 [2022-11-18 20:13:52,204 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 499 transitions. [2022-11-18 20:13:52,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 499 transitions. [2022-11-18 20:13:52,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:13:52,205 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 499 transitions. [2022-11-18 20:13:52,206 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 166.33333333333334) internal successors, (499), 3 states have internal predecessors, (499), 0 states have call successors, (0), 0 states 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 20:13:52,207 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states 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 20:13:52,208 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states 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 20:13:52,208 INFO L175 Difference]: Start difference. First operand has 166 places, 161 transitions, 330 flow. Second operand 3 states and 499 transitions. [2022-11-18 20:13:52,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 166 transitions, 376 flow [2022-11-18 20:13:52,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 166 transitions, 372 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:13:52,212 INFO L231 Difference]: Finished difference. Result has 167 places, 162 transitions, 338 flow [2022-11-18 20:13:52,213 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=338, PETRI_PLACES=167, PETRI_TRANSITIONS=162} [2022-11-18 20:13:52,214 INFO L288 CegarLoopForPetriNet]: 186 programPoint places, -19 predicate places. [2022-11-18 20:13:52,214 INFO L495 AbstractCegarLoop]: Abstraction has has 167 places, 162 transitions, 338 flow [2022-11-18 20:13:52,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:13:52,215 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:13:52,216 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 20:13:52,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 20:13:52,216 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 20:13:52,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:13:52,218 INFO L85 PathProgramCache]: Analyzing trace with hash -520104087, now seen corresponding path program 1 times [2022-11-18 20:13:52,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:13:52,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319447115] [2022-11-18 20:13:52,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:13:52,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:13:52,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:52,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:13:52,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:13:52,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319447115] [2022-11-18 20:13:52,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319447115] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:13:52,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:13:52,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:13:52,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860929907] [2022-11-18 20:13:52,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:13:52,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:13:52,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:13:52,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:13:52,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:13:52,262 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 188 [2022-11-18 20:13:52,263 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 162 transitions, 338 flow. Second operand has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:13:52,263 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:13:52,263 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 188 [2022-11-18 20:13:52,264 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:13:52,378 INFO L130 PetriNetUnfolder]: 83/640 cut-off events. [2022-11-18 20:13:52,378 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-18 20:13:52,381 INFO L83 FinitePrefix]: Finished finitePrefix Result has 804 conditions, 640 events. 83/640 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 3112 event pairs, 26 based on Foata normal form. 0/568 useless extension candidates. Maximal degree in co-relation 799. Up to 71 conditions per place. [2022-11-18 20:13:52,384 INFO L137 encePairwiseOnDemand]: 183/188 looper letters, 13 selfloop transitions, 3 changer transitions 0/162 dead transitions. [2022-11-18 20:13:52,384 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 162 transitions, 370 flow [2022-11-18 20:13:52,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:13:52,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:13:52,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 489 transitions. [2022-11-18 20:13:52,387 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8670212765957447 [2022-11-18 20:13:52,387 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 489 transitions. [2022-11-18 20:13:52,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 489 transitions. [2022-11-18 20:13:52,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:13:52,387 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 489 transitions. [2022-11-18 20:13:52,389 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 0 states have call successors, (0), 0 states 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 20:13:52,390 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states 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 20:13:52,390 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states 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 20:13:52,390 INFO L175 Difference]: Start difference. First operand has 167 places, 162 transitions, 338 flow. Second operand 3 states and 489 transitions. [2022-11-18 20:13:52,391 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 162 transitions, 370 flow [2022-11-18 20:13:52,392 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 162 transitions, 368 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 20:13:52,394 INFO L231 Difference]: Finished difference. Result has 166 places, 160 transitions, 338 flow [2022-11-18 20:13:52,395 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=338, PETRI_PLACES=166, PETRI_TRANSITIONS=160} [2022-11-18 20:13:52,395 INFO L288 CegarLoopForPetriNet]: 186 programPoint places, -20 predicate places. [2022-11-18 20:13:52,395 INFO L495 AbstractCegarLoop]: Abstraction has has 166 places, 160 transitions, 338 flow [2022-11-18 20:13:52,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:13:52,396 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:13:52,396 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:13:52,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 20:13:52,397 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 20:13:52,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:13:52,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1603806644, now seen corresponding path program 1 times [2022-11-18 20:13:52,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:13:52,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064138489] [2022-11-18 20:13:52,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:13:52,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:13:52,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:52,432 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 20:13:52,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:13:52,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064138489] [2022-11-18 20:13:52,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064138489] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:13:52,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:13:52,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:13:52,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719952196] [2022-11-18 20:13:52,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:13:52,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:13:52,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:13:52,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:13:52,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:13:52,436 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 188 [2022-11-18 20:13:52,437 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 160 transitions, 338 flow. Second operand has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:13:52,437 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:13:52,437 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 188 [2022-11-18 20:13:52,437 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:13:52,549 INFO L130 PetriNetUnfolder]: 91/628 cut-off events. [2022-11-18 20:13:52,549 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:13:52,552 INFO L83 FinitePrefix]: Finished finitePrefix Result has 822 conditions, 628 events. 91/628 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 3119 event pairs, 30 based on Foata normal form. 0/572 useless extension candidates. Maximal degree in co-relation 817. Up to 81 conditions per place. [2022-11-18 20:13:52,555 INFO L137 encePairwiseOnDemand]: 184/188 looper letters, 14 selfloop transitions, 2 changer transitions 0/160 dead transitions. [2022-11-18 20:13:52,555 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 160 transitions, 370 flow [2022-11-18 20:13:52,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:13:52,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:13:52,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 489 transitions. [2022-11-18 20:13:52,557 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8670212765957447 [2022-11-18 20:13:52,558 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 489 transitions. [2022-11-18 20:13:52,558 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 489 transitions. [2022-11-18 20:13:52,558 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:13:52,558 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 489 transitions. [2022-11-18 20:13:52,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 0 states have call successors, (0), 0 states 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 20:13:52,561 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states 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 20:13:52,561 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states 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 20:13:52,561 INFO L175 Difference]: Start difference. First operand has 166 places, 160 transitions, 338 flow. Second operand 3 states and 489 transitions. [2022-11-18 20:13:52,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 160 transitions, 370 flow [2022-11-18 20:13:52,563 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 160 transitions, 364 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:13:52,565 INFO L231 Difference]: Finished difference. Result has 164 places, 158 transitions, 332 flow [2022-11-18 20:13:52,566 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=332, PETRI_PLACES=164, PETRI_TRANSITIONS=158} [2022-11-18 20:13:52,566 INFO L288 CegarLoopForPetriNet]: 186 programPoint places, -22 predicate places. [2022-11-18 20:13:52,567 INFO L495 AbstractCegarLoop]: Abstraction has has 164 places, 158 transitions, 332 flow [2022-11-18 20:13:52,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:13:52,567 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:13:52,567 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:13:52,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 20:13:52,568 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t2Err6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 20:13:52,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:13:52,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1934838377, now seen corresponding path program 1 times [2022-11-18 20:13:52,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:13:52,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065463434] [2022-11-18 20:13:52,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:13:52,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:13:52,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:52,614 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 20:13:52,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:13:52,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065463434] [2022-11-18 20:13:52,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065463434] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:13:52,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:13:52,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:13:52,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384993906] [2022-11-18 20:13:52,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:13:52,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:13:52,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:13:52,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:13:52,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:13:52,617 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 188 [2022-11-18 20:13:52,618 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 158 transitions, 332 flow. Second operand has 3 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 states have internal predecessors, (470), 0 states have call successors, (0), 0 states 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 20:13:52,618 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:13:52,618 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 188 [2022-11-18 20:13:52,619 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:13:52,702 INFO L130 PetriNetUnfolder]: 49/402 cut-off events. [2022-11-18 20:13:52,702 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:13:52,704 INFO L83 FinitePrefix]: Finished finitePrefix Result has 522 conditions, 402 events. 49/402 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1599 event pairs, 34 based on Foata normal form. 0/358 useless extension candidates. Maximal degree in co-relation 517. Up to 79 conditions per place. [2022-11-18 20:13:52,706 INFO L137 encePairwiseOnDemand]: 185/188 looper letters, 17 selfloop transitions, 2 changer transitions 0/159 dead transitions. [2022-11-18 20:13:52,707 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 159 transitions, 372 flow [2022-11-18 20:13:52,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:13:52,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:13:52,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 476 transitions. [2022-11-18 20:13:52,709 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8439716312056738 [2022-11-18 20:13:52,709 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 476 transitions. [2022-11-18 20:13:52,709 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 476 transitions. [2022-11-18 20:13:52,709 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:13:52,710 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 476 transitions. [2022-11-18 20:13:52,711 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 158.66666666666666) internal successors, (476), 3 states have internal predecessors, (476), 0 states have call successors, (0), 0 states 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 20:13:52,712 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states 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 20:13:52,713 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states 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 20:13:52,713 INFO L175 Difference]: Start difference. First operand has 164 places, 158 transitions, 332 flow. Second operand 3 states and 476 transitions. [2022-11-18 20:13:52,713 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 159 transitions, 372 flow [2022-11-18 20:13:52,714 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 159 transitions, 368 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:13:52,716 INFO L231 Difference]: Finished difference. Result has 163 places, 157 transitions, 330 flow [2022-11-18 20:13:52,717 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=330, PETRI_PLACES=163, PETRI_TRANSITIONS=157} [2022-11-18 20:13:52,717 INFO L288 CegarLoopForPetriNet]: 186 programPoint places, -23 predicate places. [2022-11-18 20:13:52,717 INFO L495 AbstractCegarLoop]: Abstraction has has 163 places, 157 transitions, 330 flow [2022-11-18 20:13:52,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 states have internal predecessors, (470), 0 states have call successors, (0), 0 states 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 20:13:52,718 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:13:52,718 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:13:52,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-18 20:13:52,719 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 20:13:52,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:13:52,719 INFO L85 PathProgramCache]: Analyzing trace with hash 431615598, now seen corresponding path program 1 times [2022-11-18 20:13:52,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:13:52,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444222412] [2022-11-18 20:13:52,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:13:52,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:13:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:52,754 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 20:13:52,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:13:52,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444222412] [2022-11-18 20:13:52,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444222412] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:13:52,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:13:52,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:13:52,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064244961] [2022-11-18 20:13:52,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:13:52,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:13:52,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:13:52,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:13:52,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:13:52,757 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 188 [2022-11-18 20:13:52,758 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 157 transitions, 330 flow. Second operand has 3 states, 3 states have (on average 159.66666666666666) internal successors, (479), 3 states have internal predecessors, (479), 0 states have call successors, (0), 0 states 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 20:13:52,758 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:13:52,758 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 188 [2022-11-18 20:13:52,758 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:13:52,867 INFO L130 PetriNetUnfolder]: 73/590 cut-off events. [2022-11-18 20:13:52,867 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:13:52,870 INFO L83 FinitePrefix]: Finished finitePrefix Result has 756 conditions, 590 events. 73/590 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2914 event pairs, 50 based on Foata normal form. 0/552 useless extension candidates. Maximal degree in co-relation 751. Up to 107 conditions per place. [2022-11-18 20:13:52,872 INFO L137 encePairwiseOnDemand]: 185/188 looper letters, 15 selfloop transitions, 2 changer transitions 0/158 dead transitions. [2022-11-18 20:13:52,872 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 158 transitions, 366 flow [2022-11-18 20:13:52,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:13:52,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:13:52,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 489 transitions. [2022-11-18 20:13:52,874 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8670212765957447 [2022-11-18 20:13:52,874 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 489 transitions. [2022-11-18 20:13:52,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 489 transitions. [2022-11-18 20:13:52,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:13:52,875 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 489 transitions. [2022-11-18 20:13:52,876 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 0 states have call successors, (0), 0 states 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 20:13:52,878 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states 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 20:13:52,878 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states 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 20:13:52,878 INFO L175 Difference]: Start difference. First operand has 163 places, 157 transitions, 330 flow. Second operand 3 states and 489 transitions. [2022-11-18 20:13:52,879 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 158 transitions, 366 flow [2022-11-18 20:13:52,880 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 158 transitions, 362 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:13:52,882 INFO L231 Difference]: Finished difference. Result has 162 places, 156 transitions, 328 flow [2022-11-18 20:13:52,883 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=328, PETRI_PLACES=162, PETRI_TRANSITIONS=156} [2022-11-18 20:13:52,884 INFO L288 CegarLoopForPetriNet]: 186 programPoint places, -24 predicate places. [2022-11-18 20:13:52,885 INFO L495 AbstractCegarLoop]: Abstraction has has 162 places, 156 transitions, 328 flow [2022-11-18 20:13:52,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.66666666666666) internal successors, (479), 3 states have internal predecessors, (479), 0 states have call successors, (0), 0 states 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 20:13:52,885 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:13:52,886 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] [2022-11-18 20:13:52,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-18 20:13:52,886 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 20:13:52,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:13:52,886 INFO L85 PathProgramCache]: Analyzing trace with hash 295509474, now seen corresponding path program 1 times [2022-11-18 20:13:52,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:13:52,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789207655] [2022-11-18 20:13:52,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:13:52,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:13:52,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:52,936 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 20:13:52,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:13:52,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789207655] [2022-11-18 20:13:52,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789207655] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:13:52,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:13:52,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:13:52,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754796025] [2022-11-18 20:13:52,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:13:52,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:13:52,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:13:52,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:13:52,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:13:52,939 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 188 [2022-11-18 20:13:52,940 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 156 transitions, 328 flow. Second operand has 3 states, 3 states have (on average 157.33333333333334) internal successors, (472), 3 states have internal predecessors, (472), 0 states have call successors, (0), 0 states 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 20:13:52,940 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:13:52,940 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 188 [2022-11-18 20:13:52,941 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:13:53,056 INFO L130 PetriNetUnfolder]: 73/582 cut-off events. [2022-11-18 20:13:53,056 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:13:53,059 INFO L83 FinitePrefix]: Finished finitePrefix Result has 760 conditions, 582 events. 73/582 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2834 event pairs, 50 based on Foata normal form. 0/552 useless extension candidates. Maximal degree in co-relation 755. Up to 107 conditions per place. [2022-11-18 20:13:53,061 INFO L137 encePairwiseOnDemand]: 185/188 looper letters, 16 selfloop transitions, 2 changer transitions 0/157 dead transitions. [2022-11-18 20:13:53,061 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 157 transitions, 366 flow [2022-11-18 20:13:53,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:13:53,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:13:53,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 481 transitions. [2022-11-18 20:13:53,063 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8528368794326241 [2022-11-18 20:13:53,063 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 481 transitions. [2022-11-18 20:13:53,063 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 481 transitions. [2022-11-18 20:13:53,064 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:13:53,064 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 481 transitions. [2022-11-18 20:13:53,065 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 0 states have call successors, (0), 0 states 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 20:13:53,066 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states 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 20:13:53,067 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states 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 20:13:53,067 INFO L175 Difference]: Start difference. First operand has 162 places, 156 transitions, 328 flow. Second operand 3 states and 481 transitions. [2022-11-18 20:13:53,067 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 157 transitions, 366 flow [2022-11-18 20:13:53,068 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 157 transitions, 362 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:13:53,070 INFO L231 Difference]: Finished difference. Result has 161 places, 155 transitions, 326 flow [2022-11-18 20:13:53,070 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=326, PETRI_PLACES=161, PETRI_TRANSITIONS=155} [2022-11-18 20:13:53,071 INFO L288 CegarLoopForPetriNet]: 186 programPoint places, -25 predicate places. [2022-11-18 20:13:53,071 INFO L495 AbstractCegarLoop]: Abstraction has has 161 places, 155 transitions, 326 flow [2022-11-18 20:13:53,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 157.33333333333334) internal successors, (472), 3 states have internal predecessors, (472), 0 states have call successors, (0), 0 states 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 20:13:53,072 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:13:53,072 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] [2022-11-18 20:13:53,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-18 20:13:53,072 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 20:13:53,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:13:53,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1159770281, now seen corresponding path program 1 times [2022-11-18 20:13:53,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:13:53,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548867046] [2022-11-18 20:13:53,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:13:53,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:13:53,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:53,108 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 20:13:53,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:13:53,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548867046] [2022-11-18 20:13:53,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548867046] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:13:53,109 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:13:53,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:13:53,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082984159] [2022-11-18 20:13:53,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:13:53,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:13:53,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:13:53,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:13:53,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:13:53,111 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 188 [2022-11-18 20:13:53,111 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 155 transitions, 326 flow. Second operand has 3 states, 3 states have (on average 162.66666666666666) internal successors, (488), 3 states have internal predecessors, (488), 0 states have call successors, (0), 0 states 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 20:13:53,111 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:13:53,112 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 188 [2022-11-18 20:13:53,112 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:13:53,204 INFO L130 PetriNetUnfolder]: 63/564 cut-off events. [2022-11-18 20:13:53,204 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:13:53,207 INFO L83 FinitePrefix]: Finished finitePrefix Result has 704 conditions, 564 events. 63/564 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2421 event pairs, 18 based on Foata normal form. 0/536 useless extension candidates. Maximal degree in co-relation 699. Up to 51 conditions per place. [2022-11-18 20:13:53,209 INFO L137 encePairwiseOnDemand]: 185/188 looper letters, 12 selfloop transitions, 2 changer transitions 0/157 dead transitions. [2022-11-18 20:13:53,209 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 157 transitions, 358 flow [2022-11-18 20:13:53,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:13:53,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:13:53,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 495 transitions. [2022-11-18 20:13:53,211 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8776595744680851 [2022-11-18 20:13:53,211 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 495 transitions. [2022-11-18 20:13:53,211 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 495 transitions. [2022-11-18 20:13:53,212 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:13:53,212 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 495 transitions. [2022-11-18 20:13:53,213 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 0 states have call successors, (0), 0 states 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 20:13:53,214 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states 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 20:13:53,214 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states 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 20:13:53,214 INFO L175 Difference]: Start difference. First operand has 161 places, 155 transitions, 326 flow. Second operand 3 states and 495 transitions. [2022-11-18 20:13:53,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 157 transitions, 358 flow [2022-11-18 20:13:53,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 157 transitions, 354 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:13:53,218 INFO L231 Difference]: Finished difference. Result has 161 places, 155 transitions, 330 flow [2022-11-18 20:13:53,218 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=320, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=330, PETRI_PLACES=161, PETRI_TRANSITIONS=155} [2022-11-18 20:13:53,219 INFO L288 CegarLoopForPetriNet]: 186 programPoint places, -25 predicate places. [2022-11-18 20:13:53,219 INFO L495 AbstractCegarLoop]: Abstraction has has 161 places, 155 transitions, 330 flow [2022-11-18 20:13:53,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.66666666666666) internal successors, (488), 3 states have internal predecessors, (488), 0 states have call successors, (0), 0 states 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 20:13:53,219 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:13:53,220 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 20:13:53,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-18 20:13:53,220 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 20:13:53,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:13:53,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1839960714, now seen corresponding path program 1 times [2022-11-18 20:13:53,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:13:53,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293896908] [2022-11-18 20:13:53,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:13:53,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:13:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:53,257 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 20:13:53,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:13:53,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293896908] [2022-11-18 20:13:53,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293896908] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:13:53,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:13:53,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:13:53,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456426529] [2022-11-18 20:13:53,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:13:53,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:13:53,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:13:53,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:13:53,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:13:53,259 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 188 [2022-11-18 20:13:53,260 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 155 transitions, 330 flow. Second operand has 3 states, 3 states have (on average 158.0) internal successors, (474), 3 states have internal predecessors, (474), 0 states have call successors, (0), 0 states 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 20:13:53,260 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:13:53,260 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 188 [2022-11-18 20:13:53,260 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:13:53,383 INFO L130 PetriNetUnfolder]: 81/574 cut-off events. [2022-11-18 20:13:53,383 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-11-18 20:13:53,385 INFO L83 FinitePrefix]: Finished finitePrefix Result has 773 conditions, 574 events. 81/574 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2849 event pairs, 58 based on Foata normal form. 0/560 useless extension candidates. Maximal degree in co-relation 767. Up to 123 conditions per place. [2022-11-18 20:13:53,388 INFO L137 encePairwiseOnDemand]: 185/188 looper letters, 16 selfloop transitions, 2 changer transitions 0/156 dead transitions. [2022-11-18 20:13:53,388 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 156 transitions, 368 flow [2022-11-18 20:13:53,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:13:53,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:13:53,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 481 transitions. [2022-11-18 20:13:53,390 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8528368794326241 [2022-11-18 20:13:53,390 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 481 transitions. [2022-11-18 20:13:53,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 481 transitions. [2022-11-18 20:13:53,391 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:13:53,391 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 481 transitions. [2022-11-18 20:13:53,392 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 0 states have call successors, (0), 0 states 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 20:13:53,394 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states 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 20:13:53,394 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states 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 20:13:53,394 INFO L175 Difference]: Start difference. First operand has 161 places, 155 transitions, 330 flow. Second operand 3 states and 481 transitions. [2022-11-18 20:13:53,395 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 156 transitions, 368 flow [2022-11-18 20:13:53,396 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 156 transitions, 366 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 20:13:53,399 INFO L231 Difference]: Finished difference. Result has 161 places, 154 transitions, 330 flow [2022-11-18 20:13:53,399 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=330, PETRI_PLACES=161, PETRI_TRANSITIONS=154} [2022-11-18 20:13:53,400 INFO L288 CegarLoopForPetriNet]: 186 programPoint places, -25 predicate places. [2022-11-18 20:13:53,400 INFO L495 AbstractCegarLoop]: Abstraction has has 161 places, 154 transitions, 330 flow [2022-11-18 20:13:53,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 158.0) internal successors, (474), 3 states have internal predecessors, (474), 0 states have call successors, (0), 0 states 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 20:13:53,400 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:13:53,401 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:13:53,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-18 20:13:53,401 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 20:13:53,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:13:53,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1667479015, now seen corresponding path program 1 times [2022-11-18 20:13:53,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:13:53,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742161811] [2022-11-18 20:13:53,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:13:53,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:13:53,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:53,452 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 20:13:53,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:13:53,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742161811] [2022-11-18 20:13:53,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742161811] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:13:53,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:13:53,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:13:53,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281835185] [2022-11-18 20:13:53,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:13:53,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:13:53,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:13:53,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:13:53,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:13:53,456 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 188 [2022-11-18 20:13:53,456 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 154 transitions, 330 flow. Second operand has 3 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 0 states have call successors, (0), 0 states 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 20:13:53,457 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:13:53,457 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 188 [2022-11-18 20:13:53,457 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:13:53,565 INFO L130 PetriNetUnfolder]: 73/562 cut-off events. [2022-11-18 20:13:53,566 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:13:53,568 INFO L83 FinitePrefix]: Finished finitePrefix Result has 757 conditions, 562 events. 73/562 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2634 event pairs, 58 based on Foata normal form. 0/548 useless extension candidates. Maximal degree in co-relation 751. Up to 123 conditions per place. [2022-11-18 20:13:53,569 INFO L137 encePairwiseOnDemand]: 185/188 looper letters, 0 selfloop transitions, 0 changer transitions 155/155 dead transitions. [2022-11-18 20:13:53,569 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 155 transitions, 372 flow [2022-11-18 20:13:53,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:13:53,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:13:53,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2022-11-18 20:13:53,571 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8404255319148937 [2022-11-18 20:13:53,571 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 474 transitions. [2022-11-18 20:13:53,571 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 474 transitions. [2022-11-18 20:13:53,572 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:13:53,572 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 474 transitions. [2022-11-18 20:13:53,573 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 158.0) internal successors, (474), 3 states have internal predecessors, (474), 0 states have call successors, (0), 0 states 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 20:13:53,574 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states 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 20:13:53,575 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states 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 20:13:53,575 INFO L175 Difference]: Start difference. First operand has 161 places, 154 transitions, 330 flow. Second operand 3 states and 474 transitions. [2022-11-18 20:13:53,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 155 transitions, 372 flow [2022-11-18 20:13:53,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 155 transitions, 368 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:13:53,578 INFO L231 Difference]: Finished difference. Result has 160 places, 0 transitions, 0 flow [2022-11-18 20:13:53,578 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=160, PETRI_TRANSITIONS=0} [2022-11-18 20:13:53,578 INFO L288 CegarLoopForPetriNet]: 186 programPoint places, -26 predicate places. [2022-11-18 20:13:53,579 INFO L495 AbstractCegarLoop]: Abstraction has has 160 places, 0 transitions, 0 flow [2022-11-18 20:13:53,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 0 states have call successors, (0), 0 states 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 20:13:53,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (45 of 46 remaining) [2022-11-18 20:13:53,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (44 of 46 remaining) [2022-11-18 20:13:53,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (43 of 46 remaining) [2022-11-18 20:13:53,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (42 of 46 remaining) [2022-11-18 20:13:53,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (41 of 46 remaining) [2022-11-18 20:13:53,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (40 of 46 remaining) [2022-11-18 20:13:53,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (39 of 46 remaining) [2022-11-18 20:13:53,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (38 of 46 remaining) [2022-11-18 20:13:53,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (37 of 46 remaining) [2022-11-18 20:13:53,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (36 of 46 remaining) [2022-11-18 20:13:53,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (35 of 46 remaining) [2022-11-18 20:13:53,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (34 of 46 remaining) [2022-11-18 20:13:53,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (33 of 46 remaining) [2022-11-18 20:13:53,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (32 of 46 remaining) [2022-11-18 20:13:53,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (31 of 46 remaining) [2022-11-18 20:13:53,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (30 of 46 remaining) [2022-11-18 20:13:53,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 46 remaining) [2022-11-18 20:13:53,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 46 remaining) [2022-11-18 20:13:53,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (27 of 46 remaining) [2022-11-18 20:13:53,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (26 of 46 remaining) [2022-11-18 20:13:53,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err2ASSERT_VIOLATIONDATA_RACE (25 of 46 remaining) [2022-11-18 20:13:53,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err3ASSERT_VIOLATIONDATA_RACE (24 of 46 remaining) [2022-11-18 20:13:53,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err4ASSERT_VIOLATIONDATA_RACE (23 of 46 remaining) [2022-11-18 20:13:53,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err5ASSERT_VIOLATIONDATA_RACE (22 of 46 remaining) [2022-11-18 20:13:53,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err6ASSERT_VIOLATIONDATA_RACE (21 of 46 remaining) [2022-11-18 20:13:53,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (20 of 46 remaining) [2022-11-18 20:13:53,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (19 of 46 remaining) [2022-11-18 20:13:53,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err2ASSERT_VIOLATIONDATA_RACE (18 of 46 remaining) [2022-11-18 20:13:53,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err3ASSERT_VIOLATIONDATA_RACE (17 of 46 remaining) [2022-11-18 20:13:53,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err4ASSERT_VIOLATIONDATA_RACE (16 of 46 remaining) [2022-11-18 20:13:53,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err5ASSERT_VIOLATIONDATA_RACE (15 of 46 remaining) [2022-11-18 20:13:53,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err6ASSERT_VIOLATIONDATA_RACE (14 of 46 remaining) [2022-11-18 20:13:53,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (13 of 46 remaining) [2022-11-18 20:13:53,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (12 of 46 remaining) [2022-11-18 20:13:53,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err2ASSERT_VIOLATIONDATA_RACE (11 of 46 remaining) [2022-11-18 20:13:53,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err3ASSERT_VIOLATIONDATA_RACE (10 of 46 remaining) [2022-11-18 20:13:53,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err4ASSERT_VIOLATIONDATA_RACE (9 of 46 remaining) [2022-11-18 20:13:53,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err5ASSERT_VIOLATIONDATA_RACE (8 of 46 remaining) [2022-11-18 20:13:53,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err6ASSERT_VIOLATIONDATA_RACE (7 of 46 remaining) [2022-11-18 20:13:53,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (6 of 46 remaining) [2022-11-18 20:13:53,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (5 of 46 remaining) [2022-11-18 20:13:53,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err2ASSERT_VIOLATIONDATA_RACE (4 of 46 remaining) [2022-11-18 20:13:53,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err3ASSERT_VIOLATIONDATA_RACE (3 of 46 remaining) [2022-11-18 20:13:53,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err4ASSERT_VIOLATIONDATA_RACE (2 of 46 remaining) [2022-11-18 20:13:53,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err5ASSERT_VIOLATIONDATA_RACE (1 of 46 remaining) [2022-11-18 20:13:53,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err6ASSERT_VIOLATIONDATA_RACE (0 of 46 remaining) [2022-11-18 20:13:53,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-18 20:13:53,592 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:13:53,598 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-18 20:13:53,598 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:13:53,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:13:53 BasicIcfg [2022-11-18 20:13:53,603 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:13:53,604 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:13:53,604 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:13:53,604 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:13:53,604 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:13:49" (3/4) ... [2022-11-18 20:13:53,607 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 20:13:53,613 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t1 [2022-11-18 20:13:53,613 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t2 [2022-11-18 20:13:53,618 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2022-11-18 20:13:53,618 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-18 20:13:53,619 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 20:13:53,619 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:13:53,656 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68605ca7-a788-4931-8b1e-068a5cb4874c/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:13:53,656 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:13:53,657 INFO L158 Benchmark]: Toolchain (without parser) took 5480.54ms. Allocated memory was 109.1MB in the beginning and 199.2MB in the end (delta: 90.2MB). Free memory was 84.5MB in the beginning and 107.0MB in the end (delta: -22.5MB). Peak memory consumption was 67.2MB. Max. memory is 16.1GB. [2022-11-18 20:13:53,657 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory was 79.9MB in the beginning and 79.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:13:53,657 INFO L158 Benchmark]: CACSL2BoogieTranslator took 517.79ms. Allocated memory is still 109.1MB. Free memory was 84.5MB in the beginning and 72.2MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 20:13:53,658 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.56ms. Allocated memory is still 109.1MB. Free memory was 72.2MB in the beginning and 70.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:13:53,658 INFO L158 Benchmark]: Boogie Preprocessor took 25.71ms. Allocated memory is still 109.1MB. Free memory was 70.1MB in the beginning and 68.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:13:53,658 INFO L158 Benchmark]: RCFGBuilder took 673.82ms. Allocated memory is still 109.1MB. Free memory was 68.4MB in the beginning and 45.0MB in the end (delta: 23.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-18 20:13:53,659 INFO L158 Benchmark]: TraceAbstraction took 4130.62ms. Allocated memory was 109.1MB in the beginning and 199.2MB in the end (delta: 90.2MB). Free memory was 44.3MB in the beginning and 111.2MB in the end (delta: -66.9MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2022-11-18 20:13:53,659 INFO L158 Benchmark]: Witness Printer took 52.42ms. Allocated memory is still 199.2MB. Free memory was 111.2MB in the beginning and 107.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 20:13:53,661 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory was 79.9MB in the beginning and 79.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 517.79ms. Allocated memory is still 109.1MB. Free memory was 84.5MB in the beginning and 72.2MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.56ms. Allocated memory is still 109.1MB. Free memory was 72.2MB in the beginning and 70.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.71ms. Allocated memory is still 109.1MB. Free memory was 70.1MB in the beginning and 68.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 673.82ms. Allocated memory is still 109.1MB. Free memory was 68.4MB in the beginning and 45.0MB in the end (delta: 23.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 4130.62ms. Allocated memory was 109.1MB in the beginning and 199.2MB in the end (delta: 90.2MB). Free memory was 44.3MB in the beginning and 111.2MB in the end (delta: -66.9MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. * Witness Printer took 52.42ms. Allocated memory is still 199.2MB. Free memory was 111.2MB in the beginning and 107.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 715]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 718]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 695]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 695]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 695]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 695]: 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, 242 locations, 46 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: 4.0s, OverallIterations: 17, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 66 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 66 mSDsluCounter, 127 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 381 IncrementalHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 127 mSDtfsCounter, 381 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=378occurred in iteration=0, InterpolantAutomatonStates: 50, 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, 0.7s InterpolantComputationTime, 886 NumberOfCodeBlocks, 886 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 869 ConstructedInterpolants, 0 QuantifiedInterpolants, 913 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 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 30 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-18 20:13:53,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68605ca7-a788-4931-8b1e-068a5cb4874c/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