./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe624a0-0c3b-4511-a3d0-50a078e59e77/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe624a0-0c3b-4511-a3d0-50a078e59e77/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe624a0-0c3b-4511-a3d0-50a078e59e77/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe624a0-0c3b-4511-a3d0-50a078e59e77/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe624a0-0c3b-4511-a3d0-50a078e59e77/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe624a0-0c3b-4511-a3d0-50a078e59e77/bin/uautomizer-uyxdKDjOR8 --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 79419a4ba87d66b20bd1eac3a57771b6df78d8c052d6832c2c2f61b321d58321 --- 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-2329fc7 [2022-12-13 14:55:44,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:55:44,099 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:55:44,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:55:44,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:55:44,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:55:44,114 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:55:44,115 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:55:44,116 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:55:44,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:55:44,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:55:44,118 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:55:44,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:55:44,119 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:55:44,120 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:55:44,121 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:55:44,122 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:55:44,122 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:55:44,124 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:55:44,125 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:55:44,126 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:55:44,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:55:44,127 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:55:44,128 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:55:44,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:55:44,131 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:55:44,131 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:55:44,131 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:55:44,132 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:55:44,132 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:55:44,133 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:55:44,133 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:55:44,134 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:55:44,134 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:55:44,135 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:55:44,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:55:44,136 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:55:44,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:55:44,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:55:44,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:55:44,137 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:55:44,138 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe624a0-0c3b-4511-a3d0-50a078e59e77/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 14:55:44,152 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:55:44,153 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:55:44,153 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:55:44,153 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:55:44,153 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 14:55:44,153 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 14:55:44,154 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:55:44,154 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:55:44,154 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:55:44,154 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:55:44,154 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 14:55:44,155 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 14:55:44,155 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 14:55:44,155 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 14:55:44,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:55:44,155 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 14:55:44,155 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 14:55:44,155 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 14:55:44,155 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 14:55:44,155 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 14:55:44,156 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:55:44,156 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:55:44,156 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 14:55:44,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:55:44,156 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:55:44,156 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 14:55:44,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:55:44,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:55:44,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 14:55:44,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 14:55:44,157 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 14:55:44,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 14:55:44,157 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 14:55:44,157 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 14:55:44,157 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 14:55:44,157 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 14:55:44,157 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 14:55:44,157 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_2fe624a0-0c3b-4511-a3d0-50a078e59e77/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe624a0-0c3b-4511-a3d0-50a078e59e77/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79419a4ba87d66b20bd1eac3a57771b6df78d8c052d6832c2c2f61b321d58321 [2022-12-13 14:55:44,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:55:44,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:55:44,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:55:44,347 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:55:44,348 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:55:44,349 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe624a0-0c3b-4511-a3d0-50a078e59e77/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c [2022-12-13 14:55:46,933 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:55:47,071 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:55:47,071 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe624a0-0c3b-4511-a3d0-50a078e59e77/sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c [2022-12-13 14:55:47,076 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe624a0-0c3b-4511-a3d0-50a078e59e77/bin/uautomizer-uyxdKDjOR8/data/0c0e9a2b5/d5b42f35c4ce4d3185722125b264151d/FLAGf61169747 [2022-12-13 14:55:47,494 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe624a0-0c3b-4511-a3d0-50a078e59e77/bin/uautomizer-uyxdKDjOR8/data/0c0e9a2b5/d5b42f35c4ce4d3185722125b264151d [2022-12-13 14:55:47,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:55:47,497 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:55:47,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:55:47,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:55:47,501 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:55:47,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:55:47" (1/1) ... [2022-12-13 14:55:47,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76940248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:55:47, skipping insertion in model container [2022-12-13 14:55:47,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:55:47" (1/1) ... [2022-12-13 14:55:47,508 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:55:47,525 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:55:47,667 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe624a0-0c3b-4511-a3d0-50a078e59e77/sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c[2628,2641] [2022-12-13 14:55:47,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:55:47,679 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:55:47,703 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe624a0-0c3b-4511-a3d0-50a078e59e77/sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c[2628,2641] [2022-12-13 14:55:47,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:55:47,715 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:55:47,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:55:47 WrapperNode [2022-12-13 14:55:47,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:55:47,716 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:55:47,716 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:55:47,716 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:55:47,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:55:47" (1/1) ... [2022-12-13 14:55:47,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:55:47" (1/1) ... [2022-12-13 14:55:47,766 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 250 [2022-12-13 14:55:47,767 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:55:47,767 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:55:47,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:55:47,768 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:55:47,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:55:47" (1/1) ... [2022-12-13 14:55:47,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:55:47" (1/1) ... [2022-12-13 14:55:47,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:55:47" (1/1) ... [2022-12-13 14:55:47,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:55:47" (1/1) ... [2022-12-13 14:55:47,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:55:47" (1/1) ... [2022-12-13 14:55:47,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:55:47" (1/1) ... [2022-12-13 14:55:47,788 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:55:47" (1/1) ... [2022-12-13 14:55:47,789 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:55:47" (1/1) ... [2022-12-13 14:55:47,791 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:55:47,791 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:55:47,792 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:55:47,792 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:55:47,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:55:47" (1/1) ... [2022-12-13 14:55:47,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:55:47,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe624a0-0c3b-4511-a3d0-50a078e59e77/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:55:47,817 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe624a0-0c3b-4511-a3d0-50a078e59e77/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 14:55:47,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe624a0-0c3b-4511-a3d0-50a078e59e77/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 14:55:47,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 14:55:47,849 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 14:55:47,849 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 14:55:47,849 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 14:55:47,849 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 14:55:47,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 14:55:47,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 14:55:47,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 14:55:47,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:55:47,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:55:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 14:55:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 14:55:47,851 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 14:55:47,936 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:55:47,938 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:55:48,268 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:55:48,278 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:55:48,278 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 14:55:48,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:55:48 BoogieIcfgContainer [2022-12-13 14:55:48,280 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:55:48,282 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 14:55:48,282 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 14:55:48,284 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 14:55:48,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 02:55:47" (1/3) ... [2022-12-13 14:55:48,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5636f80a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:55:48, skipping insertion in model container [2022-12-13 14:55:48,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:55:47" (2/3) ... [2022-12-13 14:55:48,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5636f80a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:55:48, skipping insertion in model container [2022-12-13 14:55:48,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:55:48" (3/3) ... [2022-12-13 14:55:48,286 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-exp-term-symm.wvr.c [2022-12-13 14:55:48,293 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 14:55:48,300 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 14:55:48,300 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2022-12-13 14:55:48,300 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 14:55:48,366 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 14:55:48,395 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 323 places, 338 transitions, 692 flow [2022-12-13 14:55:48,476 INFO L130 PetriNetUnfolder]: 22/336 cut-off events. [2022-12-13 14:55:48,476 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 14:55:48,482 INFO L83 FinitePrefix]: Finished finitePrefix Result has 345 conditions, 336 events. 22/336 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 845 event pairs, 0 based on Foata normal form. 0/280 useless extension candidates. Maximal degree in co-relation 209. Up to 2 conditions per place. [2022-12-13 14:55:48,482 INFO L82 GeneralOperation]: Start removeDead. Operand has 323 places, 338 transitions, 692 flow [2022-12-13 14:55:48,487 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 302 places, 315 transitions, 642 flow [2022-12-13 14:55:48,490 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 14:55:48,498 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 302 places, 315 transitions, 642 flow [2022-12-13 14:55:48,500 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 302 places, 315 transitions, 642 flow [2022-12-13 14:55:48,500 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 302 places, 315 transitions, 642 flow [2022-12-13 14:55:48,540 INFO L130 PetriNetUnfolder]: 20/315 cut-off events. [2022-12-13 14:55:48,540 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 14:55:48,543 INFO L83 FinitePrefix]: Finished finitePrefix Result has 324 conditions, 315 events. 20/315 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 831 event pairs, 0 based on Foata normal form. 0/262 useless extension candidates. Maximal degree in co-relation 209. Up to 2 conditions per place. [2022-12-13 14:55:48,562 INFO L119 LiptonReduction]: Number of co-enabled transitions 24320 [2022-12-13 14:55:53,705 INFO L134 LiptonReduction]: Checked pairs total: 75646 [2022-12-13 14:55:53,705 INFO L136 LiptonReduction]: Total number of compositions: 307 [2022-12-13 14:55:53,717 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 14:55:53,722 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;@3bc8d004, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 14:55:53,722 INFO L358 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2022-12-13 14:55:53,723 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 14:55:53,723 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 14:55:53,724 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 14:55:53,724 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 14:55:53,725 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2022-12-13 14:55:53,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:55:53,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1279, now seen corresponding path program 1 times [2022-12-13 14:55:53,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:55:53,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303915112] [2022-12-13 14:55:53,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:55:53,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:55:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:55:53,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:55:53,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:55:53,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303915112] [2022-12-13 14:55:53,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303915112] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:55:53,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:55:53,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 14:55:53,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404040734] [2022-12-13 14:55:53,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:55:53,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 14:55:53,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:55:53,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 14:55:53,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 14:55:53,830 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 326 out of 645 [2022-12-13 14:55:53,833 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 96 transitions, 204 flow. Second operand has 2 states, 2 states have (on average 326.5) internal successors, (653), 2 states have internal predecessors, (653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:55:53,833 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 14:55:53,833 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 326 of 645 [2022-12-13 14:55:53,834 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 14:55:54,049 INFO L130 PetriNetUnfolder]: 789/1675 cut-off events. [2022-12-13 14:55:54,050 INFO L131 PetriNetUnfolder]: For 41/41 co-relation queries the response was YES. [2022-12-13 14:55:54,052 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2873 conditions, 1675 events. 789/1675 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 11277 event pairs, 465 based on Foata normal form. 1/1252 useless extension candidates. Maximal degree in co-relation 2732. Up to 1154 conditions per place. [2022-12-13 14:55:54,061 INFO L137 encePairwiseOnDemand]: 631/645 looper letters, 42 selfloop transitions, 0 changer transitions 1/82 dead transitions. [2022-12-13 14:55:54,061 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 82 transitions, 262 flow [2022-12-13 14:55:54,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 14:55:54,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 14:55:54,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 709 transitions. [2022-12-13 14:55:54,077 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5496124031007752 [2022-12-13 14:55:54,078 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 709 transitions. [2022-12-13 14:55:54,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 709 transitions. [2022-12-13 14:55:54,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:55:54,083 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 709 transitions. [2022-12-13 14:55:54,087 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 354.5) internal successors, (709), 2 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:55:54,095 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 645.0) internal successors, (1935), 3 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:55:54,096 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 645.0) internal successors, (1935), 3 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:55:54,098 INFO L175 Difference]: Start difference. First operand has 91 places, 96 transitions, 204 flow. Second operand 2 states and 709 transitions. [2022-12-13 14:55:54,099 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 82 transitions, 262 flow [2022-12-13 14:55:54,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 82 transitions, 254 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 14:55:54,104 INFO L231 Difference]: Finished difference. Result has 74 places, 81 transitions, 165 flow [2022-12-13 14:55:54,106 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=645, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=165, PETRI_PLACES=74, PETRI_TRANSITIONS=81} [2022-12-13 14:55:54,110 INFO L288 CegarLoopForPetriNet]: 91 programPoint places, -17 predicate places. [2022-12-13 14:55:54,110 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 81 transitions, 165 flow [2022-12-13 14:55:54,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 326.5) internal successors, (653), 2 states have internal predecessors, (653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:55:54,111 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 14:55:54,111 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-13 14:55:54,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 14:55:54,111 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2022-12-13 14:55:54,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:55:54,112 INFO L85 PathProgramCache]: Analyzing trace with hash 39551340, now seen corresponding path program 1 times [2022-12-13 14:55:54,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:55:54,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796528400] [2022-12-13 14:55:54,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:55:54,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:55:54,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:55:54,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:55:54,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:55:54,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796528400] [2022-12-13 14:55:54,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796528400] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:55:54,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:55:54,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 14:55:54,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558539063] [2022-12-13 14:55:54,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:55:54,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:55:54,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:55:54,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:55:54,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:55:54,210 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 307 out of 645 [2022-12-13 14:55:54,211 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 81 transitions, 165 flow. Second operand has 3 states, 3 states have (on average 308.3333333333333) internal successors, (925), 3 states have internal predecessors, (925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:55:54,212 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 14:55:54,212 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 307 of 645 [2022-12-13 14:55:54,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 14:55:54,423 INFO L130 PetriNetUnfolder]: 1056/2010 cut-off events. [2022-12-13 14:55:54,423 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-12-13 14:55:54,426 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3596 conditions, 2010 events. 1056/2010 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 12115 event pairs, 392 based on Foata normal form. 0/1534 useless extension candidates. Maximal degree in co-relation 3593. Up to 1562 conditions per place. [2022-12-13 14:55:54,435 INFO L137 encePairwiseOnDemand]: 637/645 looper letters, 50 selfloop transitions, 2 changer transitions 0/80 dead transitions. [2022-12-13 14:55:54,435 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 80 transitions, 268 flow [2022-12-13 14:55:54,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:55:54,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 14:55:54,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 979 transitions. [2022-12-13 14:55:54,439 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5059431524547804 [2022-12-13 14:55:54,440 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 979 transitions. [2022-12-13 14:55:54,440 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 979 transitions. [2022-12-13 14:55:54,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:55:54,441 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 979 transitions. [2022-12-13 14:55:54,443 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 326.3333333333333) internal successors, (979), 3 states have internal predecessors, (979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:55:54,448 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 645.0) internal successors, (2580), 4 states have internal predecessors, (2580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:55:54,449 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 645.0) internal successors, (2580), 4 states have internal predecessors, (2580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:55:54,450 INFO L175 Difference]: Start difference. First operand has 74 places, 81 transitions, 165 flow. Second operand 3 states and 979 transitions. [2022-12-13 14:55:54,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 80 transitions, 268 flow [2022-12-13 14:55:54,451 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 80 transitions, 268 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 14:55:54,452 INFO L231 Difference]: Finished difference. Result has 70 places, 77 transitions, 167 flow [2022-12-13 14:55:54,452 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=645, PETRI_DIFFERENCE_MINUEND_FLOW=153, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=167, PETRI_PLACES=70, PETRI_TRANSITIONS=77} [2022-12-13 14:55:54,453 INFO L288 CegarLoopForPetriNet]: 91 programPoint places, -21 predicate places. [2022-12-13 14:55:54,453 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 77 transitions, 167 flow [2022-12-13 14:55:54,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 308.3333333333333) internal successors, (925), 3 states have internal predecessors, (925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:55:54,454 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 14:55:54,454 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 14:55:54,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 14:55:54,455 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2022-12-13 14:55:54,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:55:54,455 INFO L85 PathProgramCache]: Analyzing trace with hash -645842418, now seen corresponding path program 1 times [2022-12-13 14:55:54,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:55:54,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289135386] [2022-12-13 14:55:54,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:55:54,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:55:54,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:55:54,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:55:54,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:55:54,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289135386] [2022-12-13 14:55:54,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289135386] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:55:54,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:55:54,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 14:55:54,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046832950] [2022-12-13 14:55:54,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:55:54,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:55:54,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:55:54,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:55:54,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:55:54,522 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 307 out of 645 [2022-12-13 14:55:54,523 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 77 transitions, 167 flow. Second operand has 3 states, 3 states have (on average 308.3333333333333) internal successors, (925), 3 states have internal predecessors, (925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:55:54,523 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 14:55:54,523 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 307 of 645 [2022-12-13 14:55:54,523 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 14:55:54,681 INFO L130 PetriNetUnfolder]: 1139/2214 cut-off events. [2022-12-13 14:55:54,681 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-12-13 14:55:54,683 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3961 conditions, 2214 events. 1139/2214 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 13619 event pairs, 420 based on Foata normal form. 0/1710 useless extension candidates. Maximal degree in co-relation 3957. Up to 1699 conditions per place. [2022-12-13 14:55:54,689 INFO L137 encePairwiseOnDemand]: 637/645 looper letters, 51 selfloop transitions, 2 changer transitions 0/76 dead transitions. [2022-12-13 14:55:54,689 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 76 transitions, 272 flow [2022-12-13 14:55:54,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:55:54,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 14:55:54,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 980 transitions. [2022-12-13 14:55:54,699 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5064599483204134 [2022-12-13 14:55:54,699 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 980 transitions. [2022-12-13 14:55:54,699 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 980 transitions. [2022-12-13 14:55:54,700 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:55:54,700 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 980 transitions. [2022-12-13 14:55:54,703 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 326.6666666666667) internal successors, (980), 3 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:55:54,707 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 645.0) internal successors, (2580), 4 states have internal predecessors, (2580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:55:54,708 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 645.0) internal successors, (2580), 4 states have internal predecessors, (2580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:55:54,708 INFO L175 Difference]: Start difference. First operand has 70 places, 77 transitions, 167 flow. Second operand 3 states and 980 transitions. [2022-12-13 14:55:54,708 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 76 transitions, 272 flow [2022-12-13 14:55:54,709 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 76 transitions, 272 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 14:55:54,710 INFO L231 Difference]: Finished difference. Result has 67 places, 73 transitions, 169 flow [2022-12-13 14:55:54,711 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=645, PETRI_DIFFERENCE_MINUEND_FLOW=155, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=169, PETRI_PLACES=67, PETRI_TRANSITIONS=73} [2022-12-13 14:55:54,711 INFO L288 CegarLoopForPetriNet]: 91 programPoint places, -24 predicate places. [2022-12-13 14:55:54,712 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 73 transitions, 169 flow [2022-12-13 14:55:54,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 308.3333333333333) internal successors, (925), 3 states have internal predecessors, (925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:55:54,712 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 14:55:54,713 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:55:54,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 14:55:54,713 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2022-12-13 14:55:54,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:55:54,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1923340380, now seen corresponding path program 1 times [2022-12-13 14:55:54,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:55:54,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039474274] [2022-12-13 14:55:54,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:55:54,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:55:54,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:55:54,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:55:54,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:55:54,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039474274] [2022-12-13 14:55:54,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039474274] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:55:54,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:55:54,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 14:55:54,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788793401] [2022-12-13 14:55:54,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:55:54,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:55:54,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:55:54,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:55:54,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:55:54,768 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 645 [2022-12-13 14:55:54,769 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 73 transitions, 169 flow. Second operand has 3 states, 3 states have (on average 323.0) internal successors, (969), 3 states have internal predecessors, (969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:55:54,769 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 14:55:54,769 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 645 [2022-12-13 14:55:54,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 14:55:55,026 INFO L130 PetriNetUnfolder]: 1203/2386 cut-off events. [2022-12-13 14:55:55,026 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2022-12-13 14:55:55,030 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4192 conditions, 2386 events. 1203/2386 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 15631 event pairs, 487 based on Foata normal form. 0/1855 useless extension candidates. Maximal degree in co-relation 4187. Up to 1217 conditions per place. [2022-12-13 14:55:55,039 INFO L137 encePairwiseOnDemand]: 641/645 looper letters, 68 selfloop transitions, 3 changer transitions 0/102 dead transitions. [2022-12-13 14:55:55,039 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 102 transitions, 370 flow [2022-12-13 14:55:55,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:55:55,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 14:55:55,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1035 transitions. [2022-12-13 14:55:55,043 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5348837209302325 [2022-12-13 14:55:55,043 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1035 transitions. [2022-12-13 14:55:55,043 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1035 transitions. [2022-12-13 14:55:55,044 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:55:55,044 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1035 transitions. [2022-12-13 14:55:55,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 345.0) internal successors, (1035), 3 states have internal predecessors, (1035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:55:55,050 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 645.0) internal successors, (2580), 4 states have internal predecessors, (2580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:55:55,051 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 645.0) internal successors, (2580), 4 states have internal predecessors, (2580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:55:55,052 INFO L175 Difference]: Start difference. First operand has 67 places, 73 transitions, 169 flow. Second operand 3 states and 1035 transitions. [2022-12-13 14:55:55,052 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 102 transitions, 370 flow [2022-12-13 14:55:55,053 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 102 transitions, 370 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 14:55:55,054 INFO L231 Difference]: Finished difference. Result has 71 places, 75 transitions, 191 flow [2022-12-13 14:55:55,054 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=645, PETRI_DIFFERENCE_MINUEND_FLOW=169, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=191, PETRI_PLACES=71, PETRI_TRANSITIONS=75} [2022-12-13 14:55:55,055 INFO L288 CegarLoopForPetriNet]: 91 programPoint places, -20 predicate places. [2022-12-13 14:55:55,055 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 75 transitions, 191 flow [2022-12-13 14:55:55,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 323.0) internal successors, (969), 3 states have internal predecessors, (969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:55:55,056 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 14:55:55,056 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:55:55,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 14:55:55,057 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2022-12-13 14:55:55,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:55:55,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1441445459, now seen corresponding path program 1 times [2022-12-13 14:55:55,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:55:55,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167007236] [2022-12-13 14:55:55,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:55:55,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:55:55,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:55:55,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:55:55,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:55:55,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167007236] [2022-12-13 14:55:55,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167007236] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:55:55,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:55:55,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 14:55:55,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486538860] [2022-12-13 14:55:55,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:55:55,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:55:55,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:55:55,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:55:55,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:55:55,100 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 645 [2022-12-13 14:55:55,101 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 75 transitions, 191 flow. Second operand has 3 states, 3 states have (on average 316.0) internal successors, (948), 3 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:55:55,101 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 14:55:55,101 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 645 [2022-12-13 14:55:55,101 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 14:55:55,384 INFO L130 PetriNetUnfolder]: 2205/3898 cut-off events. [2022-12-13 14:55:55,384 INFO L131 PetriNetUnfolder]: For 433/433 co-relation queries the response was YES. [2022-12-13 14:55:55,387 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7639 conditions, 3898 events. 2205/3898 cut-off events. For 433/433 co-relation queries the response was YES. Maximal size of possible extension queue 183. Compared 24071 event pairs, 607 based on Foata normal form. 0/3230 useless extension candidates. Maximal degree in co-relation 7632. Up to 1880 conditions per place. [2022-12-13 14:55:55,397 INFO L137 encePairwiseOnDemand]: 637/645 looper letters, 84 selfloop transitions, 4 changer transitions 0/111 dead transitions. [2022-12-13 14:55:55,397 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 111 transitions, 459 flow [2022-12-13 14:55:55,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:55:55,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 14:55:55,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1027 transitions. [2022-12-13 14:55:55,400 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.530749354005168 [2022-12-13 14:55:55,400 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1027 transitions. [2022-12-13 14:55:55,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1027 transitions. [2022-12-13 14:55:55,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:55:55,401 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1027 transitions. [2022-12-13 14:55:55,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 342.3333333333333) internal successors, (1027), 3 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:55:55,407 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 645.0) internal successors, (2580), 4 states have internal predecessors, (2580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:55:55,408 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 645.0) internal successors, (2580), 4 states have internal predecessors, (2580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:55:55,409 INFO L175 Difference]: Start difference. First operand has 71 places, 75 transitions, 191 flow. Second operand 3 states and 1027 transitions. [2022-12-13 14:55:55,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 111 transitions, 459 flow [2022-12-13 14:55:55,414 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 111 transitions, 447 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 14:55:55,415 INFO L231 Difference]: Finished difference. Result has 68 places, 75 transitions, 207 flow [2022-12-13 14:55:55,415 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=645, PETRI_DIFFERENCE_MINUEND_FLOW=177, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=207, PETRI_PLACES=68, PETRI_TRANSITIONS=75} [2022-12-13 14:55:55,416 INFO L288 CegarLoopForPetriNet]: 91 programPoint places, -23 predicate places. [2022-12-13 14:55:55,416 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 75 transitions, 207 flow [2022-12-13 14:55:55,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 316.0) internal successors, (948), 3 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:55:55,417 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 14:55:55,417 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:55:55,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 14:55:55,417 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2022-12-13 14:55:55,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:55:55,418 INFO L85 PathProgramCache]: Analyzing trace with hash -790017955, now seen corresponding path program 1 times [2022-12-13 14:55:55,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:55:55,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27997753] [2022-12-13 14:55:55,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:55:55,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:55:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:55:55,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:55:55,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:55:55,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27997753] [2022-12-13 14:55:55,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27997753] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:55:55,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:55:55,443 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 14:55:55,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475181940] [2022-12-13 14:55:55,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:55:55,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:55:55,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:55:55,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:55:55,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:55:55,451 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 645 [2022-12-13 14:55:55,452 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 75 transitions, 207 flow. Second operand has 3 states, 3 states have (on average 323.6666666666667) internal successors, (971), 3 states have internal predecessors, (971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:55:55,452 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 14:55:55,453 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 645 [2022-12-13 14:55:55,453 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 14:55:55,818 INFO L130 PetriNetUnfolder]: 2733/4996 cut-off events. [2022-12-13 14:55:55,818 INFO L131 PetriNetUnfolder]: For 552/554 co-relation queries the response was YES. [2022-12-13 14:55:55,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9960 conditions, 4996 events. 2733/4996 cut-off events. For 552/554 co-relation queries the response was YES. Maximal size of possible extension queue 235. Compared 33536 event pairs, 1121 based on Foata normal form. 0/4117 useless extension candidates. Maximal degree in co-relation 9953. Up to 2713 conditions per place. [2022-12-13 14:55:55,836 INFO L137 encePairwiseOnDemand]: 641/645 looper letters, 77 selfloop transitions, 3 changer transitions 0/109 dead transitions. [2022-12-13 14:55:55,836 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 109 transitions, 460 flow [2022-12-13 14:55:55,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:55:55,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 14:55:55,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1036 transitions. [2022-12-13 14:55:55,841 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5354005167958656 [2022-12-13 14:55:55,841 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1036 transitions. [2022-12-13 14:55:55,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1036 transitions. [2022-12-13 14:55:55,842 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:55:55,842 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1036 transitions. [2022-12-13 14:55:55,846 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 345.3333333333333) internal successors, (1036), 3 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:55:55,852 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 645.0) internal successors, (2580), 4 states have internal predecessors, (2580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:55:55,855 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 645.0) internal successors, (2580), 4 states have internal predecessors, (2580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:55:55,855 INFO L175 Difference]: Start difference. First operand has 68 places, 75 transitions, 207 flow. Second operand 3 states and 1036 transitions. [2022-12-13 14:55:55,855 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 109 transitions, 460 flow [2022-12-13 14:55:55,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 109 transitions, 460 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 14:55:55,861 INFO L231 Difference]: Finished difference. Result has 72 places, 77 transitions, 229 flow [2022-12-13 14:55:55,862 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=645, PETRI_DIFFERENCE_MINUEND_FLOW=207, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=229, PETRI_PLACES=72, PETRI_TRANSITIONS=77} [2022-12-13 14:55:55,863 INFO L288 CegarLoopForPetriNet]: 91 programPoint places, -19 predicate places. [2022-12-13 14:55:55,863 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 77 transitions, 229 flow [2022-12-13 14:55:55,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 323.6666666666667) internal successors, (971), 3 states have internal predecessors, (971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:55:55,864 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 14:55:55,864 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:55:55,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 14:55:55,865 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2022-12-13 14:55:55,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:55:55,865 INFO L85 PathProgramCache]: Analyzing trace with hash -2045323495, now seen corresponding path program 1 times [2022-12-13 14:55:55,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:55:55,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048685402] [2022-12-13 14:55:55,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:55:55,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:55:55,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:55:55,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:55:55,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:55:55,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048685402] [2022-12-13 14:55:55,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048685402] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:55:55,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:55:55,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 14:55:55,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363977425] [2022-12-13 14:55:55,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:55:55,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:55:55,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:55:55,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:55:55,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:55:55,914 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 645 [2022-12-13 14:55:55,916 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 77 transitions, 229 flow. Second operand has 3 states, 3 states have (on average 316.3333333333333) internal successors, (949), 3 states have internal predecessors, (949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:55:55,916 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 14:55:55,916 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 645 [2022-12-13 14:55:55,916 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 14:55:56,480 INFO L130 PetriNetUnfolder]: 3428/5645 cut-off events. [2022-12-13 14:55:56,481 INFO L131 PetriNetUnfolder]: For 1032/1032 co-relation queries the response was YES. [2022-12-13 14:55:56,489 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12494 conditions, 5645 events. 3428/5645 cut-off events. For 1032/1032 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 33750 event pairs, 964 based on Foata normal form. 0/5006 useless extension candidates. Maximal degree in co-relation 12485. Up to 2974 conditions per place. [2022-12-13 14:55:56,495 INFO L137 encePairwiseOnDemand]: 637/645 looper letters, 0 selfloop transitions, 0 changer transitions 115/115 dead transitions. [2022-12-13 14:55:56,495 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 115 transitions, 531 flow [2022-12-13 14:55:56,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:55:56,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 14:55:56,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1027 transitions. [2022-12-13 14:55:56,497 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.530749354005168 [2022-12-13 14:55:56,497 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1027 transitions. [2022-12-13 14:55:56,497 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1027 transitions. [2022-12-13 14:55:56,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:55:56,498 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1027 transitions. [2022-12-13 14:55:56,500 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 342.3333333333333) internal successors, (1027), 3 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:55:56,501 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 645.0) internal successors, (2580), 4 states have internal predecessors, (2580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:55:56,502 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 645.0) internal successors, (2580), 4 states have internal predecessors, (2580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:55:56,502 INFO L175 Difference]: Start difference. First operand has 72 places, 77 transitions, 229 flow. Second operand 3 states and 1027 transitions. [2022-12-13 14:55:56,502 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 115 transitions, 531 flow [2022-12-13 14:55:56,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 115 transitions, 519 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 14:55:56,511 INFO L231 Difference]: Finished difference. Result has 68 places, 0 transitions, 0 flow [2022-12-13 14:55:56,511 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=645, PETRI_DIFFERENCE_MINUEND_FLOW=215, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=68, PETRI_TRANSITIONS=0} [2022-12-13 14:55:56,512 INFO L288 CegarLoopForPetriNet]: 91 programPoint places, -23 predicate places. [2022-12-13 14:55:56,512 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 0 transitions, 0 flow [2022-12-13 14:55:56,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 316.3333333333333) internal successors, (949), 3 states have internal predecessors, (949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:55:56,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (57 of 58 remaining) [2022-12-13 14:55:56,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (56 of 58 remaining) [2022-12-13 14:55:56,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (55 of 58 remaining) [2022-12-13 14:55:56,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (54 of 58 remaining) [2022-12-13 14:55:56,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (53 of 58 remaining) [2022-12-13 14:55:56,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (52 of 58 remaining) [2022-12-13 14:55:56,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (51 of 58 remaining) [2022-12-13 14:55:56,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (50 of 58 remaining) [2022-12-13 14:55:56,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (49 of 58 remaining) [2022-12-13 14:55:56,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (48 of 58 remaining) [2022-12-13 14:55:56,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (47 of 58 remaining) [2022-12-13 14:55:56,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (46 of 58 remaining) [2022-12-13 14:55:56,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (45 of 58 remaining) [2022-12-13 14:55:56,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (44 of 58 remaining) [2022-12-13 14:55:56,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (43 of 58 remaining) [2022-12-13 14:55:56,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (42 of 58 remaining) [2022-12-13 14:55:56,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (41 of 58 remaining) [2022-12-13 14:55:56,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (40 of 58 remaining) [2022-12-13 14:55:56,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (39 of 58 remaining) [2022-12-13 14:55:56,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (38 of 58 remaining) [2022-12-13 14:55:56,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (37 of 58 remaining) [2022-12-13 14:55:56,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (36 of 58 remaining) [2022-12-13 14:55:56,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (35 of 58 remaining) [2022-12-13 14:55:56,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (34 of 58 remaining) [2022-12-13 14:55:56,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (33 of 58 remaining) [2022-12-13 14:55:56,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (32 of 58 remaining) [2022-12-13 14:55:56,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (31 of 58 remaining) [2022-12-13 14:55:56,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (30 of 58 remaining) [2022-12-13 14:55:56,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (29 of 58 remaining) [2022-12-13 14:55:56,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (28 of 58 remaining) [2022-12-13 14:55:56,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (27 of 58 remaining) [2022-12-13 14:55:56,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (26 of 58 remaining) [2022-12-13 14:55:56,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (25 of 58 remaining) [2022-12-13 14:55:56,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (24 of 58 remaining) [2022-12-13 14:55:56,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 58 remaining) [2022-12-13 14:55:56,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 58 remaining) [2022-12-13 14:55:56,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 58 remaining) [2022-12-13 14:55:56,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 58 remaining) [2022-12-13 14:55:56,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 58 remaining) [2022-12-13 14:55:56,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (18 of 58 remaining) [2022-12-13 14:55:56,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (17 of 58 remaining) [2022-12-13 14:55:56,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (16 of 58 remaining) [2022-12-13 14:55:56,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (15 of 58 remaining) [2022-12-13 14:55:56,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (14 of 58 remaining) [2022-12-13 14:55:56,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (13 of 58 remaining) [2022-12-13 14:55:56,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (12 of 58 remaining) [2022-12-13 14:55:56,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (11 of 58 remaining) [2022-12-13 14:55:56,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 58 remaining) [2022-12-13 14:55:56,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 58 remaining) [2022-12-13 14:55:56,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 58 remaining) [2022-12-13 14:55:56,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (7 of 58 remaining) [2022-12-13 14:55:56,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (6 of 58 remaining) [2022-12-13 14:55:56,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (5 of 58 remaining) [2022-12-13 14:55:56,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (4 of 58 remaining) [2022-12-13 14:55:56,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (3 of 58 remaining) [2022-12-13 14:55:56,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (2 of 58 remaining) [2022-12-13 14:55:56,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (1 of 58 remaining) [2022-12-13 14:55:56,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (0 of 58 remaining) [2022-12-13 14:55:56,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 14:55:56,522 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:55:56,527 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 14:55:56,527 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 14:55:56,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 02:55:56 BasicIcfg [2022-12-13 14:55:56,530 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 14:55:56,530 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 14:55:56,530 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 14:55:56,530 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 14:55:56,531 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:55:48" (3/4) ... [2022-12-13 14:55:56,533 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 14:55:56,548 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-13 14:55:56,548 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-13 14:55:56,553 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-12-13 14:55:56,553 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 14:55:56,553 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 14:55:56,554 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 14:55:56,592 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe624a0-0c3b-4511-a3d0-50a078e59e77/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 14:55:56,592 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 14:55:56,592 INFO L158 Benchmark]: Toolchain (without parser) took 9095.09ms. Allocated memory was 136.3MB in the beginning and 285.2MB in the end (delta: 148.9MB). Free memory was 81.5MB in the beginning and 187.5MB in the end (delta: -106.0MB). Peak memory consumption was 75.7MB. Max. memory is 16.1GB. [2022-12-13 14:55:56,593 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 136.3MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:55:56,593 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.30ms. Allocated memory is still 136.3MB. Free memory was 81.3MB in the beginning and 69.7MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 14:55:56,593 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.92ms. Allocated memory is still 136.3MB. Free memory was 69.4MB in the beginning and 109.5MB in the end (delta: -40.1MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2022-12-13 14:55:56,594 INFO L158 Benchmark]: Boogie Preprocessor took 23.40ms. Allocated memory is still 136.3MB. Free memory was 109.5MB in the beginning and 107.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:55:56,594 INFO L158 Benchmark]: RCFGBuilder took 489.07ms. Allocated memory is still 136.3MB. Free memory was 107.7MB in the beginning and 84.1MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-13 14:55:56,594 INFO L158 Benchmark]: TraceAbstraction took 8247.84ms. Allocated memory was 136.3MB in the beginning and 197.1MB in the end (delta: 60.8MB). Free memory was 83.4MB in the beginning and 78.5MB in the end (delta: 4.9MB). Peak memory consumption was 116.5MB. Max. memory is 16.1GB. [2022-12-13 14:55:56,595 INFO L158 Benchmark]: Witness Printer took 61.91ms. Allocated memory was 197.1MB in the beginning and 285.2MB in the end (delta: 88.1MB). Free memory was 78.5MB in the beginning and 187.5MB in the end (delta: -109.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 14:55:56,596 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 136.3MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 217.30ms. Allocated memory is still 136.3MB. Free memory was 81.3MB in the beginning and 69.7MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.92ms. Allocated memory is still 136.3MB. Free memory was 69.4MB in the beginning and 109.5MB in the end (delta: -40.1MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.40ms. Allocated memory is still 136.3MB. Free memory was 109.5MB in the beginning and 107.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 489.07ms. Allocated memory is still 136.3MB. Free memory was 107.7MB in the beginning and 84.1MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 8247.84ms. Allocated memory was 136.3MB in the beginning and 197.1MB in the end (delta: 60.8MB). Free memory was 83.4MB in the beginning and 78.5MB in the end (delta: 4.9MB). Peak memory consumption was 116.5MB. Max. memory is 16.1GB. * Witness Printer took 61.91ms. Allocated memory was 197.1MB in the beginning and 285.2MB in the end (delta: 88.1MB). Free memory was 78.5MB in the beginning and 187.5MB in the end (delta: -109.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.2s, 302 PlacesBefore, 91 PlacesAfterwards, 315 TransitionsBefore, 96 TransitionsAfterwards, 24320 CoEnabledTransitionPairs, 8 FixpointIterations, 114 TrivialSequentialCompositions, 137 ConcurrentSequentialCompositions, 15 TrivialYvCompositions, 33 ConcurrentYvCompositions, 8 ChoiceCompositions, 307 TotalNumberOfCompositions, 75646 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 28671, independent: 27616, independent conditional: 0, independent unconditional: 27616, dependent: 1055, dependent conditional: 0, dependent unconditional: 1055, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 13376, independent: 13255, independent conditional: 0, independent unconditional: 13255, dependent: 121, dependent conditional: 0, dependent unconditional: 121, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 28671, independent: 14361, independent conditional: 0, independent unconditional: 14361, dependent: 934, dependent conditional: 0, dependent unconditional: 934, unknown: 13376, unknown conditional: 0, unknown unconditional: 13376] , Statistics on independence cache: Total cache size (in pairs): 1073, Positive cache size: 1000, Positive conditional cache size: 0, Positive unconditional cache size: 1000, Negative cache size: 73, Negative conditional cache size: 0, Negative unconditional cache size: 73, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 495 locations, 58 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 8.1s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 357 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 249 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 85 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 658 IncrementalHoareTripleChecker+Invalid, 743 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 85 mSolverCounterUnsat, 44 mSDtfsCounter, 658 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=229occurred in iteration=6, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 59 NumberOfCodeBlocks, 59 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 60 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 34 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 14:55:56,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe624a0-0c3b-4511-a3d0-50a078e59e77/bin/uautomizer-uyxdKDjOR8/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