./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version cf1a7837 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_d08fbf34-dba1-4552-8fe3-c83ca8fe4f74/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08fbf34-dba1-4552-8fe3-c83ca8fe4f74/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08fbf34-dba1-4552-8fe3-c83ca8fe4f74/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08fbf34-dba1-4552-8fe3-c83ca8fe4f74/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08fbf34-dba1-4552-8fe3-c83ca8fe4f74/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08fbf34-dba1-4552-8fe3-c83ca8fe4f74/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --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 b71c523f20411078d17c9943b891d34ddfc00131917c4009fb579cdffacef23c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:13:48,603 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:13:48,733 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08fbf34-dba1-4552-8fe3-c83ca8fe4f74/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-12 02:13:48,743 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:13:48,744 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:13:48,784 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:13:48,785 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:13:48,785 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:13:48,786 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:13:48,791 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:13:48,793 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:13:48,793 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:13:48,794 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:13:48,796 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:13:48,796 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:13:48,796 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:13:48,797 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:13:48,797 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:13:48,798 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:13:48,798 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:13:48,798 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:13:48,799 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:13:48,799 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-12 02:13:48,801 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:13:48,802 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:13:48,802 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:13:48,803 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:13:48,803 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:13:48,804 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:13:48,804 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:13:48,806 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:13:48,806 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:13:48,806 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:13:48,807 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:13:48,807 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:13:48,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:13:48,807 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:13:48,808 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:13:48,808 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:13:48,808 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:13:48,808 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:13:48,809 INFO L153 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_d08fbf34-dba1-4552-8fe3-c83ca8fe4f74/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08fbf34-dba1-4552-8fe3-c83ca8fe4f74/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b71c523f20411078d17c9943b891d34ddfc00131917c4009fb579cdffacef23c [2023-11-12 02:13:49,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:13:49,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:13:49,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:13:49,198 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:13:49,199 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:13:49,200 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08fbf34-dba1-4552-8fe3-c83ca8fe4f74/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i [2023-11-12 02:13:52,400 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:13:52,777 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:13:52,777 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08fbf34-dba1-4552-8fe3-c83ca8fe4f74/sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i [2023-11-12 02:13:52,796 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08fbf34-dba1-4552-8fe3-c83ca8fe4f74/bin/uautomizer-verify-uTZkv6EMXl/data/400d5a624/405a11338ea7417fa49a482333b09752/FLAGf5662f8e2 [2023-11-12 02:13:52,812 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08fbf34-dba1-4552-8fe3-c83ca8fe4f74/bin/uautomizer-verify-uTZkv6EMXl/data/400d5a624/405a11338ea7417fa49a482333b09752 [2023-11-12 02:13:52,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:13:52,820 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:13:52,821 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:13:52,821 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:13:52,829 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:13:52,830 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:13:52" (1/1) ... [2023-11-12 02:13:52,831 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@542597f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:52, skipping insertion in model container [2023-11-12 02:13:52,831 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:13:52" (1/1) ... [2023-11-12 02:13:52,924 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:13:53,620 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:13:53,636 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:13:53,697 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:13:53,766 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:13:53,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:53 WrapperNode [2023-11-12 02:13:53,766 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:13:53,768 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:13:53,768 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:13:53,768 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:13:53,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:53" (1/1) ... [2023-11-12 02:13:53,810 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:53" (1/1) ... [2023-11-12 02:13:53,860 INFO L138 Inliner]: procedures = 263, calls = 27, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 84 [2023-11-12 02:13:53,861 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:13:53,862 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:13:53,862 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:13:53,862 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:13:53,873 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:53" (1/1) ... [2023-11-12 02:13:53,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:53" (1/1) ... [2023-11-12 02:13:53,890 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:53" (1/1) ... [2023-11-12 02:13:53,890 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:53" (1/1) ... [2023-11-12 02:13:53,915 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:53" (1/1) ... [2023-11-12 02:13:53,951 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:53" (1/1) ... [2023-11-12 02:13:53,953 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:53" (1/1) ... [2023-11-12 02:13:53,955 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:53" (1/1) ... [2023-11-12 02:13:53,966 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:13:53,967 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:13:53,967 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:13:53,967 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:13:53,968 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:53" (1/1) ... [2023-11-12 02:13:53,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:13:54,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08fbf34-dba1-4552-8fe3-c83ca8fe4f74/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:13:54,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08fbf34-dba1-4552-8fe3-c83ca8fe4f74/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:13:54,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08fbf34-dba1-4552-8fe3-c83ca8fe4f74/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:13:54,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:13:54,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:13:54,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:13:54,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:13:54,105 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-12 02:13:54,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:13:54,106 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-12 02:13:54,106 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-12 02:13:54,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:13:54,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:13:54,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:13:54,109 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 02:13:54,264 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:13:54,266 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:13:54,552 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:13:54,561 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:13:54,561 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:13:54,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:13:54 BoogieIcfgContainer [2023-11-12 02:13:54,564 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:13:54,567 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:13:54,567 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:13:54,574 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:13:54,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:13:52" (1/3) ... [2023-11-12 02:13:54,575 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c08ad6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:13:54, skipping insertion in model container [2023-11-12 02:13:54,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:53" (2/3) ... [2023-11-12 02:13:54,578 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c08ad6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:13:54, skipping insertion in model container [2023-11-12 02:13:54,578 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:13:54" (3/3) ... [2023-11-12 02:13:54,580 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_46-escape_nr.i [2023-11-12 02:13:54,590 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-12 02:13:54,600 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:13:54,600 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-12 02:13:54,600 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 02:13:54,684 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-12 02:13:54,723 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 118 places, 115 transitions, 237 flow [2023-11-12 02:13:54,782 INFO L124 PetriNetUnfolderBase]: 1/114 cut-off events. [2023-11-12 02:13:54,782 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-12 02:13:54,786 INFO L83 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 114 events. 1/114 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 93 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 6. Up to 2 conditions per place. [2023-11-12 02:13:54,786 INFO L82 GeneralOperation]: Start removeDead. Operand has 118 places, 115 transitions, 237 flow [2023-11-12 02:13:54,791 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 101 places, 97 transitions, 197 flow [2023-11-12 02:13:54,795 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-12 02:13:54,805 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 97 transitions, 197 flow [2023-11-12 02:13:54,809 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 97 transitions, 197 flow [2023-11-12 02:13:54,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 101 places, 97 transitions, 197 flow [2023-11-12 02:13:54,837 INFO L124 PetriNetUnfolderBase]: 0/97 cut-off events. [2023-11-12 02:13:54,838 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:13:54,838 INFO L83 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 97 events. 0/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 63 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-11-12 02:13:54,840 INFO L119 LiptonReduction]: Number of co-enabled transitions 1612 [2023-11-12 02:13:58,498 INFO L134 LiptonReduction]: Checked pairs total: 10518 [2023-11-12 02:13:58,498 INFO L136 LiptonReduction]: Total number of compositions: 60 [2023-11-12 02:13:58,515 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:13:58,523 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=LoopHeads, 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;@1c7f7dc7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:13:58,523 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2023-11-12 02:13:58,525 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-12 02:13:58,525 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-12 02:13:58,525 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:13:58,525 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:13:58,526 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-12 02:13:58,527 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-12 02:13:58,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:13:58,532 INFO L85 PathProgramCache]: Analyzing trace with hash 352, now seen corresponding path program 1 times [2023-11-12 02:13:58,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:13:58,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287137923] [2023-11-12 02:13:58,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:13:58,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:13:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:13:58,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:13:58,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:13:58,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287137923] [2023-11-12 02:13:58,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287137923] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:13:58,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:13:58,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-12 02:13:58,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297396239] [2023-11-12 02:13:58,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:13:58,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:13:58,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:13:58,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:13:58,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:13:58,742 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 175 [2023-11-12 02:13:58,744 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 42 transitions, 87 flow. Second operand has 2 states, 2 states have (on average 113.5) internal successors, (227), 2 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:13:58,745 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:13:58,745 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 175 [2023-11-12 02:13:58,746 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:13:58,856 INFO L124 PetriNetUnfolderBase]: 25/170 cut-off events. [2023-11-12 02:13:58,856 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:13:58,860 INFO L83 FinitePrefix]: Finished finitePrefix Result has 237 conditions, 170 events. 25/170 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 645 event pairs, 25 based on Foata normal form. 0/154 useless extension candidates. Maximal degree in co-relation 228. Up to 63 conditions per place. [2023-11-12 02:13:58,864 INFO L140 encePairwiseOnDemand]: 174/175 looper letters, 12 selfloop transitions, 0 changer transitions 0/41 dead transitions. [2023-11-12 02:13:58,864 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 41 transitions, 109 flow [2023-11-12 02:13:58,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:13:58,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-12 02:13:58,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 239 transitions. [2023-11-12 02:13:58,880 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6828571428571428 [2023-11-12 02:13:58,881 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 239 transitions. [2023-11-12 02:13:58,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 239 transitions. [2023-11-12 02:13:58,883 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:13:58,886 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 239 transitions. [2023-11-12 02:13:58,889 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 119.5) internal successors, (239), 2 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:13:58,896 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 175.0) internal successors, (525), 3 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:13:58,903 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 175.0) internal successors, (525), 3 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:13:58,905 INFO L175 Difference]: Start difference. First operand has 46 places, 42 transitions, 87 flow. Second operand 2 states and 239 transitions. [2023-11-12 02:13:58,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 41 transitions, 109 flow [2023-11-12 02:13:58,909 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 41 transitions, 108 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-12 02:13:58,912 INFO L231 Difference]: Finished difference. Result has 45 places, 41 transitions, 84 flow [2023-11-12 02:13:58,914 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=84, PETRI_PLACES=45, PETRI_TRANSITIONS=41} [2023-11-12 02:13:58,920 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, -1 predicate places. [2023-11-12 02:13:58,920 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 41 transitions, 84 flow [2023-11-12 02:13:58,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 113.5) internal successors, (227), 2 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:13:58,922 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:13:58,922 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:13:58,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:13:58,923 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-12 02:13:58,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:13:58,924 INFO L85 PathProgramCache]: Analyzing trace with hash 150770605, now seen corresponding path program 1 times [2023-11-12 02:13:58,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:13:58,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14169707] [2023-11-12 02:13:58,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:13:58,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:13:59,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:13:59,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:13:59,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:13:59,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14169707] [2023-11-12 02:13:59,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14169707] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:13:59,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:13:59,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:13:59,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107606032] [2023-11-12 02:13:59,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:13:59,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:13:59,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:13:59,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:13:59,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:14:00,041 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 175 [2023-11-12 02:14:00,042 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 41 transitions, 84 flow. Second operand has 6 states, 6 states have (on average 98.33333333333333) internal successors, (590), 6 states have internal predecessors, (590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:00,043 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:14:00,043 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 175 [2023-11-12 02:14:00,043 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:14:00,247 INFO L124 PetriNetUnfolderBase]: 126/419 cut-off events. [2023-11-12 02:14:00,248 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:14:00,252 INFO L83 FinitePrefix]: Finished finitePrefix Result has 704 conditions, 419 events. 126/419 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2018 event pairs, 58 based on Foata normal form. 0/390 useless extension candidates. Maximal degree in co-relation 701. Up to 210 conditions per place. [2023-11-12 02:14:00,255 INFO L140 encePairwiseOnDemand]: 164/175 looper letters, 38 selfloop transitions, 22 changer transitions 0/78 dead transitions. [2023-11-12 02:14:00,256 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 78 transitions, 278 flow [2023-11-12 02:14:00,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:14:00,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:14:00,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 643 transitions. [2023-11-12 02:14:00,261 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6123809523809524 [2023-11-12 02:14:00,261 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 643 transitions. [2023-11-12 02:14:00,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 643 transitions. [2023-11-12 02:14:00,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:14:00,263 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 643 transitions. [2023-11-12 02:14:00,267 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 107.16666666666667) internal successors, (643), 6 states have internal predecessors, (643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:00,272 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 175.0) internal successors, (1225), 7 states have internal predecessors, (1225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:00,273 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 175.0) internal successors, (1225), 7 states have internal predecessors, (1225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:00,273 INFO L175 Difference]: Start difference. First operand has 45 places, 41 transitions, 84 flow. Second operand 6 states and 643 transitions. [2023-11-12 02:14:00,273 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 78 transitions, 278 flow [2023-11-12 02:14:00,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 78 transitions, 278 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-12 02:14:00,279 INFO L231 Difference]: Finished difference. Result has 55 places, 62 transitions, 234 flow [2023-11-12 02:14:00,280 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=234, PETRI_PLACES=55, PETRI_TRANSITIONS=62} [2023-11-12 02:14:00,281 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 9 predicate places. [2023-11-12 02:14:00,281 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 62 transitions, 234 flow [2023-11-12 02:14:00,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 98.33333333333333) internal successors, (590), 6 states have internal predecessors, (590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:00,283 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:14:00,284 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:14:00,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:14:00,284 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-12 02:14:00,292 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:14:00,292 INFO L85 PathProgramCache]: Analyzing trace with hash -986939129, now seen corresponding path program 1 times [2023-11-12 02:14:00,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:14:00,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360112418] [2023-11-12 02:14:00,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:00,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:14:00,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:00,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:14:00,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:14:00,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360112418] [2023-11-12 02:14:00,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360112418] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:14:00,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:14:00,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:14:00,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107546355] [2023-11-12 02:14:00,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:14:00,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:14:00,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:14:00,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:14:00,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:14:00,903 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 175 [2023-11-12 02:14:00,904 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 62 transitions, 234 flow. Second operand has 6 states, 6 states have (on average 88.33333333333333) internal successors, (530), 6 states have internal predecessors, (530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:00,904 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:14:00,904 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 175 [2023-11-12 02:14:00,904 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:14:01,124 INFO L124 PetriNetUnfolderBase]: 174/525 cut-off events. [2023-11-12 02:14:01,124 INFO L125 PetriNetUnfolderBase]: For 115/119 co-relation queries the response was YES. [2023-11-12 02:14:01,126 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1105 conditions, 525 events. 174/525 cut-off events. For 115/119 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2753 event pairs, 51 based on Foata normal form. 3/501 useless extension candidates. Maximal degree in co-relation 1097. Up to 269 conditions per place. [2023-11-12 02:14:01,130 INFO L140 encePairwiseOnDemand]: 163/175 looper letters, 52 selfloop transitions, 24 changer transitions 0/96 dead transitions. [2023-11-12 02:14:01,130 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 96 transitions, 462 flow [2023-11-12 02:14:01,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:14:01,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:14:01,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 581 transitions. [2023-11-12 02:14:01,133 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5533333333333333 [2023-11-12 02:14:01,134 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 581 transitions. [2023-11-12 02:14:01,134 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 581 transitions. [2023-11-12 02:14:01,134 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:14:01,135 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 581 transitions. [2023-11-12 02:14:01,137 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 96.83333333333333) internal successors, (581), 6 states have internal predecessors, (581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:01,141 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 175.0) internal successors, (1225), 7 states have internal predecessors, (1225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:01,142 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 175.0) internal successors, (1225), 7 states have internal predecessors, (1225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:01,142 INFO L175 Difference]: Start difference. First operand has 55 places, 62 transitions, 234 flow. Second operand 6 states and 581 transitions. [2023-11-12 02:14:01,142 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 96 transitions, 462 flow [2023-11-12 02:14:01,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 96 transitions, 462 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-12 02:14:01,149 INFO L231 Difference]: Finished difference. Result has 65 places, 81 transitions, 396 flow [2023-11-12 02:14:01,149 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=396, PETRI_PLACES=65, PETRI_TRANSITIONS=81} [2023-11-12 02:14:01,150 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 19 predicate places. [2023-11-12 02:14:01,150 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 81 transitions, 396 flow [2023-11-12 02:14:01,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 88.33333333333333) internal successors, (530), 6 states have internal predecessors, (530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:01,151 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:14:01,151 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:14:01,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:14:01,152 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-12 02:14:01,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:14:01,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1309697824, now seen corresponding path program 1 times [2023-11-12 02:14:01,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:14:01,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588357064] [2023-11-12 02:14:01,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:01,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:14:01,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:01,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:14:01,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:14:01,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588357064] [2023-11-12 02:14:01,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588357064] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:14:01,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:14:01,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:14:01,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476151606] [2023-11-12 02:14:01,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:14:01,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:14:01,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:14:01,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:14:01,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:14:01,654 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 175 [2023-11-12 02:14:01,655 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 81 transitions, 396 flow. Second operand has 6 states, 6 states have (on average 85.16666666666667) internal successors, (511), 6 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:01,655 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:14:01,656 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 175 [2023-11-12 02:14:01,656 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:14:02,034 INFO L124 PetriNetUnfolderBase]: 369/890 cut-off events. [2023-11-12 02:14:02,035 INFO L125 PetriNetUnfolderBase]: For 606/613 co-relation queries the response was YES. [2023-11-12 02:14:02,038 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2435 conditions, 890 events. 369/890 cut-off events. For 606/613 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 4625 event pairs, 102 based on Foata normal form. 0/846 useless extension candidates. Maximal degree in co-relation 2422. Up to 624 conditions per place. [2023-11-12 02:14:02,046 INFO L140 encePairwiseOnDemand]: 156/175 looper letters, 83 selfloop transitions, 66 changer transitions 0/160 dead transitions. [2023-11-12 02:14:02,046 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 160 transitions, 986 flow [2023-11-12 02:14:02,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:14:02,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:14:02,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 599 transitions. [2023-11-12 02:14:02,051 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5704761904761905 [2023-11-12 02:14:02,051 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 599 transitions. [2023-11-12 02:14:02,051 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 599 transitions. [2023-11-12 02:14:02,052 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:14:02,052 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 599 transitions. [2023-11-12 02:14:02,054 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 99.83333333333333) internal successors, (599), 6 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:02,058 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 175.0) internal successors, (1225), 7 states have internal predecessors, (1225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:02,060 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 175.0) internal successors, (1225), 7 states have internal predecessors, (1225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:02,060 INFO L175 Difference]: Start difference. First operand has 65 places, 81 transitions, 396 flow. Second operand 6 states and 599 transitions. [2023-11-12 02:14:02,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 160 transitions, 986 flow [2023-11-12 02:14:02,072 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 160 transitions, 986 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-12 02:14:02,078 INFO L231 Difference]: Finished difference. Result has 75 places, 144 transitions, 970 flow [2023-11-12 02:14:02,078 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=970, PETRI_PLACES=75, PETRI_TRANSITIONS=144} [2023-11-12 02:14:02,080 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 29 predicate places. [2023-11-12 02:14:02,080 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 144 transitions, 970 flow [2023-11-12 02:14:02,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 85.16666666666667) internal successors, (511), 6 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:02,081 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:14:02,081 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:14:02,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:14:02,082 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-12 02:14:02,082 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:14:02,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1223873916, now seen corresponding path program 1 times [2023-11-12 02:14:02,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:14:02,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704368188] [2023-11-12 02:14:02,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:02,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:14:02,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:02,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:14:02,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:14:02,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704368188] [2023-11-12 02:14:02,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704368188] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:14:02,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:14:02,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:14:02,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062546641] [2023-11-12 02:14:02,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:14:02,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:14:02,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:14:02,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:14:02,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:14:02,593 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 175 [2023-11-12 02:14:02,594 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 144 transitions, 970 flow. Second operand has 6 states, 6 states have (on average 80.33333333333333) internal successors, (482), 6 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:02,594 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:14:02,594 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 175 [2023-11-12 02:14:02,596 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:14:03,036 INFO L124 PetriNetUnfolderBase]: 445/1039 cut-off events. [2023-11-12 02:14:03,036 INFO L125 PetriNetUnfolderBase]: For 1396/1421 co-relation queries the response was YES. [2023-11-12 02:14:03,041 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3692 conditions, 1039 events. 445/1039 cut-off events. For 1396/1421 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 5579 event pairs, 106 based on Foata normal form. 0/998 useless extension candidates. Maximal degree in co-relation 3674. Up to 806 conditions per place. [2023-11-12 02:14:03,050 INFO L140 encePairwiseOnDemand]: 160/175 looper letters, 143 selfloop transitions, 67 changer transitions 0/219 dead transitions. [2023-11-12 02:14:03,050 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 219 transitions, 1824 flow [2023-11-12 02:14:03,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:14:03,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:14:03,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 554 transitions. [2023-11-12 02:14:03,053 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5276190476190477 [2023-11-12 02:14:03,053 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 554 transitions. [2023-11-12 02:14:03,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 554 transitions. [2023-11-12 02:14:03,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:14:03,054 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 554 transitions. [2023-11-12 02:14:03,056 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 92.33333333333333) internal successors, (554), 6 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:03,059 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 175.0) internal successors, (1225), 7 states have internal predecessors, (1225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:03,060 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 175.0) internal successors, (1225), 7 states have internal predecessors, (1225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:03,060 INFO L175 Difference]: Start difference. First operand has 75 places, 144 transitions, 970 flow. Second operand 6 states and 554 transitions. [2023-11-12 02:14:03,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 219 transitions, 1824 flow [2023-11-12 02:14:03,075 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 219 transitions, 1760 flow, removed 32 selfloop flow, removed 0 redundant places. [2023-11-12 02:14:03,083 INFO L231 Difference]: Finished difference. Result has 85 places, 197 transitions, 1558 flow [2023-11-12 02:14:03,084 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=912, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1558, PETRI_PLACES=85, PETRI_TRANSITIONS=197} [2023-11-12 02:14:03,086 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 39 predicate places. [2023-11-12 02:14:03,087 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 197 transitions, 1558 flow [2023-11-12 02:14:03,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 80.33333333333333) internal successors, (482), 6 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:03,087 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:14:03,087 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:14:03,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-12 02:14:03,088 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-12 02:14:03,088 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:14:03,088 INFO L85 PathProgramCache]: Analyzing trace with hash -793713438, now seen corresponding path program 1 times [2023-11-12 02:14:03,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:14:03,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002827025] [2023-11-12 02:14:03,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:03,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:14:03,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:03,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:14:03,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:14:03,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002827025] [2023-11-12 02:14:03,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002827025] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:14:03,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:14:03,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:14:03,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078525617] [2023-11-12 02:14:03,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:14:03,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:14:03,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:14:03,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:14:03,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:14:03,239 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 175 [2023-11-12 02:14:03,240 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 197 transitions, 1558 flow. Second operand has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:03,240 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:14:03,241 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 175 [2023-11-12 02:14:03,241 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:14:03,306 INFO L124 PetriNetUnfolderBase]: 40/164 cut-off events. [2023-11-12 02:14:03,306 INFO L125 PetriNetUnfolderBase]: For 243/243 co-relation queries the response was YES. [2023-11-12 02:14:03,307 INFO L83 FinitePrefix]: Finished finitePrefix Result has 563 conditions, 164 events. 40/164 cut-off events. For 243/243 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 504 event pairs, 4 based on Foata normal form. 8/161 useless extension candidates. Maximal degree in co-relation 540. Up to 62 conditions per place. [2023-11-12 02:14:03,308 INFO L140 encePairwiseOnDemand]: 171/175 looper letters, 10 selfloop transitions, 5 changer transitions 0/64 dead transitions. [2023-11-12 02:14:03,309 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 64 transitions, 424 flow [2023-11-12 02:14:03,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:14:03,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:14:03,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 338 transitions. [2023-11-12 02:14:03,311 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6438095238095238 [2023-11-12 02:14:03,312 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 338 transitions. [2023-11-12 02:14:03,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 338 transitions. [2023-11-12 02:14:03,312 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:14:03,312 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 338 transitions. [2023-11-12 02:14:03,314 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:03,316 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 175.0) internal successors, (700), 4 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:03,316 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 175.0) internal successors, (700), 4 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:03,316 INFO L175 Difference]: Start difference. First operand has 85 places, 197 transitions, 1558 flow. Second operand 3 states and 338 transitions. [2023-11-12 02:14:03,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 64 transitions, 424 flow [2023-11-12 02:14:03,321 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 64 transitions, 310 flow, removed 35 selfloop flow, removed 20 redundant places. [2023-11-12 02:14:03,326 INFO L231 Difference]: Finished difference. Result has 64 places, 64 transitions, 290 flow [2023-11-12 02:14:03,326 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=280, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=290, PETRI_PLACES=64, PETRI_TRANSITIONS=64} [2023-11-12 02:14:03,329 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 18 predicate places. [2023-11-12 02:14:03,330 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 64 transitions, 290 flow [2023-11-12 02:14:03,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:03,330 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:14:03,330 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:14:03,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-12 02:14:03,331 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-12 02:14:03,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:14:03,332 INFO L85 PathProgramCache]: Analyzing trace with hash -2040604212, now seen corresponding path program 1 times [2023-11-12 02:14:03,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:14:03,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642339216] [2023-11-12 02:14:03,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:03,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:14:03,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:03,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:14:03,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:14:03,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642339216] [2023-11-12 02:14:03,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642339216] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:14:03,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:14:03,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:14:03,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276511775] [2023-11-12 02:14:03,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:14:03,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:14:03,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:14:03,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:14:03,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:14:04,059 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 175 [2023-11-12 02:14:04,061 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 64 transitions, 290 flow. Second operand has 6 states, 6 states have (on average 96.5) internal successors, (579), 6 states have internal predecessors, (579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:04,061 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:14:04,061 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 175 [2023-11-12 02:14:04,061 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:14:04,267 INFO L124 PetriNetUnfolderBase]: 92/272 cut-off events. [2023-11-12 02:14:04,267 INFO L125 PetriNetUnfolderBase]: For 150/154 co-relation queries the response was YES. [2023-11-12 02:14:04,268 INFO L83 FinitePrefix]: Finished finitePrefix Result has 852 conditions, 272 events. 92/272 cut-off events. For 150/154 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1078 event pairs, 5 based on Foata normal form. 0/260 useless extension candidates. Maximal degree in co-relation 838. Up to 156 conditions per place. [2023-11-12 02:14:04,270 INFO L140 encePairwiseOnDemand]: 165/175 looper letters, 48 selfloop transitions, 25 changer transitions 24/111 dead transitions. [2023-11-12 02:14:04,270 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 111 transitions, 714 flow [2023-11-12 02:14:04,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:14:04,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:14:04,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 625 transitions. [2023-11-12 02:14:04,274 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5952380952380952 [2023-11-12 02:14:04,274 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 625 transitions. [2023-11-12 02:14:04,274 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 625 transitions. [2023-11-12 02:14:04,275 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:14:04,275 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 625 transitions. [2023-11-12 02:14:04,277 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 104.16666666666667) internal successors, (625), 6 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:04,281 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 175.0) internal successors, (1225), 7 states have internal predecessors, (1225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:04,282 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 175.0) internal successors, (1225), 7 states have internal predecessors, (1225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:04,282 INFO L175 Difference]: Start difference. First operand has 64 places, 64 transitions, 290 flow. Second operand 6 states and 625 transitions. [2023-11-12 02:14:04,282 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 111 transitions, 714 flow [2023-11-12 02:14:04,285 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 111 transitions, 697 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-12 02:14:04,288 INFO L231 Difference]: Finished difference. Result has 73 places, 79 transitions, 475 flow [2023-11-12 02:14:04,288 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=285, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=475, PETRI_PLACES=73, PETRI_TRANSITIONS=79} [2023-11-12 02:14:04,289 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 27 predicate places. [2023-11-12 02:14:04,289 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 79 transitions, 475 flow [2023-11-12 02:14:04,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 96.5) internal successors, (579), 6 states have internal predecessors, (579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:04,289 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:14:04,290 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:14:04,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-12 02:14:04,290 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-12 02:14:04,290 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:14:04,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1487038568, now seen corresponding path program 1 times [2023-11-12 02:14:04,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:14:04,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709817577] [2023-11-12 02:14:04,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:04,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:14:04,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:04,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:14:04,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:14:04,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709817577] [2023-11-12 02:14:04,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709817577] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:14:04,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:14:04,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-12 02:14:04,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091468309] [2023-11-12 02:14:04,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:14:04,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-12 02:14:04,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:14:04,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-12 02:14:04,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-11-12 02:14:05,606 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 175 [2023-11-12 02:14:05,607 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 79 transitions, 475 flow. Second operand has 11 states, 11 states have (on average 77.36363636363636) internal successors, (851), 11 states have internal predecessors, (851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:05,607 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:14:05,607 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 175 [2023-11-12 02:14:05,607 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:14:05,896 INFO L124 PetriNetUnfolderBase]: 86/258 cut-off events. [2023-11-12 02:14:05,896 INFO L125 PetriNetUnfolderBase]: For 242/242 co-relation queries the response was YES. [2023-11-12 02:14:05,897 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1008 conditions, 258 events. 86/258 cut-off events. For 242/242 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 990 event pairs, 23 based on Foata normal form. 9/267 useless extension candidates. Maximal degree in co-relation 989. Up to 94 conditions per place. [2023-11-12 02:14:05,899 INFO L140 encePairwiseOnDemand]: 166/175 looper letters, 69 selfloop transitions, 28 changer transitions 0/105 dead transitions. [2023-11-12 02:14:05,900 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 105 transitions, 859 flow [2023-11-12 02:14:05,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-12 02:14:05,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-12 02:14:05,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 726 transitions. [2023-11-12 02:14:05,903 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46095238095238095 [2023-11-12 02:14:05,904 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 726 transitions. [2023-11-12 02:14:05,904 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 726 transitions. [2023-11-12 02:14:05,905 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:14:05,905 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 726 transitions. [2023-11-12 02:14:05,907 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 80.66666666666667) internal successors, (726), 9 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:05,911 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 175.0) internal successors, (1750), 10 states have internal predecessors, (1750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:05,913 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 175.0) internal successors, (1750), 10 states have internal predecessors, (1750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:05,913 INFO L175 Difference]: Start difference. First operand has 73 places, 79 transitions, 475 flow. Second operand 9 states and 726 transitions. [2023-11-12 02:14:05,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 105 transitions, 859 flow [2023-11-12 02:14:05,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 105 transitions, 819 flow, removed 17 selfloop flow, removed 6 redundant places. [2023-11-12 02:14:05,920 INFO L231 Difference]: Finished difference. Result has 71 places, 78 transitions, 487 flow [2023-11-12 02:14:05,921 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=431, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=487, PETRI_PLACES=71, PETRI_TRANSITIONS=78} [2023-11-12 02:14:05,923 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 25 predicate places. [2023-11-12 02:14:05,923 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 78 transitions, 487 flow [2023-11-12 02:14:05,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 77.36363636363636) internal successors, (851), 11 states have internal predecessors, (851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:05,924 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:14:05,924 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:14:05,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-12 02:14:05,924 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-12 02:14:05,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:14:05,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1069610799, now seen corresponding path program 1 times [2023-11-12 02:14:05,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:14:05,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219227701] [2023-11-12 02:14:05,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:05,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:14:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:06,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:14:06,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:14:06,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219227701] [2023-11-12 02:14:06,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219227701] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:14:06,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:14:06,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-12 02:14:06,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541006147] [2023-11-12 02:14:06,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:14:06,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-12 02:14:06,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:14:06,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-12 02:14:06,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-11-12 02:14:07,143 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 175 [2023-11-12 02:14:07,145 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 78 transitions, 487 flow. Second operand has 11 states, 11 states have (on average 91.63636363636364) internal successors, (1008), 11 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:07,145 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:14:07,145 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 175 [2023-11-12 02:14:07,145 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:14:07,485 INFO L124 PetriNetUnfolderBase]: 128/354 cut-off events. [2023-11-12 02:14:07,485 INFO L125 PetriNetUnfolderBase]: For 508/508 co-relation queries the response was YES. [2023-11-12 02:14:07,487 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1470 conditions, 354 events. 128/354 cut-off events. For 508/508 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1568 event pairs, 5 based on Foata normal form. 11/365 useless extension candidates. Maximal degree in co-relation 1454. Up to 118 conditions per place. [2023-11-12 02:14:07,489 INFO L140 encePairwiseOnDemand]: 166/175 looper letters, 46 selfloop transitions, 3 changer transitions 89/151 dead transitions. [2023-11-12 02:14:07,489 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 151 transitions, 1302 flow [2023-11-12 02:14:07,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-12 02:14:07,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-12 02:14:07,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 963 transitions. [2023-11-12 02:14:07,493 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5502857142857143 [2023-11-12 02:14:07,493 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 963 transitions. [2023-11-12 02:14:07,493 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 963 transitions. [2023-11-12 02:14:07,494 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:14:07,494 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 963 transitions. [2023-11-12 02:14:07,497 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 96.3) internal successors, (963), 10 states have internal predecessors, (963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:07,501 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 175.0) internal successors, (1925), 11 states have internal predecessors, (1925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:07,502 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 175.0) internal successors, (1925), 11 states have internal predecessors, (1925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:07,502 INFO L175 Difference]: Start difference. First operand has 71 places, 78 transitions, 487 flow. Second operand 10 states and 963 transitions. [2023-11-12 02:14:07,502 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 151 transitions, 1302 flow [2023-11-12 02:14:07,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 151 transitions, 1174 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-11-12 02:14:07,509 INFO L231 Difference]: Finished difference. Result has 77 places, 59 transitions, 340 flow [2023-11-12 02:14:07,510 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=431, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=340, PETRI_PLACES=77, PETRI_TRANSITIONS=59} [2023-11-12 02:14:07,510 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 31 predicate places. [2023-11-12 02:14:07,510 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 59 transitions, 340 flow [2023-11-12 02:14:07,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 91.63636363636364) internal successors, (1008), 11 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:07,511 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:14:07,511 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:14:07,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-12 02:14:07,512 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-12 02:14:07,512 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:14:07,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1266864497, now seen corresponding path program 2 times [2023-11-12 02:14:07,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:14:07,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744199578] [2023-11-12 02:14:07,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:07,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:14:07,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:08,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:14:08,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:14:08,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744199578] [2023-11-12 02:14:08,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744199578] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:14:08,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:14:08,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-12 02:14:08,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614804746] [2023-11-12 02:14:08,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:14:08,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-12 02:14:08,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:14:08,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-12 02:14:08,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-11-12 02:14:09,047 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 175 [2023-11-12 02:14:09,049 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 59 transitions, 340 flow. Second operand has 11 states, 11 states have (on average 91.63636363636364) internal successors, (1008), 11 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:09,049 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:14:09,049 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 175 [2023-11-12 02:14:09,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:14:09,319 INFO L124 PetriNetUnfolderBase]: 43/159 cut-off events. [2023-11-12 02:14:09,319 INFO L125 PetriNetUnfolderBase]: For 257/258 co-relation queries the response was YES. [2023-11-12 02:14:09,320 INFO L83 FinitePrefix]: Finished finitePrefix Result has 609 conditions, 159 events. 43/159 cut-off events. For 257/258 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 447 event pairs, 5 based on Foata normal form. 6/165 useless extension candidates. Maximal degree in co-relation 588. Up to 101 conditions per place. [2023-11-12 02:14:09,321 INFO L140 encePairwiseOnDemand]: 166/175 looper letters, 41 selfloop transitions, 10 changer transitions 10/74 dead transitions. [2023-11-12 02:14:09,322 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 74 transitions, 541 flow [2023-11-12 02:14:09,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-12 02:14:09,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-12 02:14:09,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 855 transitions. [2023-11-12 02:14:09,326 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5428571428571428 [2023-11-12 02:14:09,326 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 855 transitions. [2023-11-12 02:14:09,326 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 855 transitions. [2023-11-12 02:14:09,327 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:14:09,327 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 855 transitions. [2023-11-12 02:14:09,330 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 95.0) internal successors, (855), 9 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:09,333 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 175.0) internal successors, (1750), 10 states have internal predecessors, (1750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:09,334 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 175.0) internal successors, (1750), 10 states have internal predecessors, (1750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:09,335 INFO L175 Difference]: Start difference. First operand has 77 places, 59 transitions, 340 flow. Second operand 9 states and 855 transitions. [2023-11-12 02:14:09,335 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 74 transitions, 541 flow [2023-11-12 02:14:09,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 74 transitions, 460 flow, removed 29 selfloop flow, removed 10 redundant places. [2023-11-12 02:14:09,339 INFO L231 Difference]: Finished difference. Result has 71 places, 59 transitions, 291 flow [2023-11-12 02:14:09,340 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=265, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=291, PETRI_PLACES=71, PETRI_TRANSITIONS=59} [2023-11-12 02:14:09,340 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 25 predicate places. [2023-11-12 02:14:09,341 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 59 transitions, 291 flow [2023-11-12 02:14:09,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 91.63636363636364) internal successors, (1008), 11 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:09,341 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:14:09,342 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:14:09,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-12 02:14:09,342 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-12 02:14:09,342 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:14:09,343 INFO L85 PathProgramCache]: Analyzing trace with hash 47375119, now seen corresponding path program 3 times [2023-11-12 02:14:09,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:14:09,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496655691] [2023-11-12 02:14:09,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:09,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:14:09,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:09,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:14:09,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:14:09,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496655691] [2023-11-12 02:14:09,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496655691] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:14:09,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:14:09,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-12 02:14:09,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566902063] [2023-11-12 02:14:09,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:14:09,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-12 02:14:09,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:14:09,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-12 02:14:09,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-11-12 02:14:10,736 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 175 [2023-11-12 02:14:10,737 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 59 transitions, 291 flow. Second operand has 11 states, 11 states have (on average 91.63636363636364) internal successors, (1008), 11 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:10,737 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:14:10,737 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 175 [2023-11-12 02:14:10,737 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:14:11,036 INFO L124 PetriNetUnfolderBase]: 61/209 cut-off events. [2023-11-12 02:14:11,036 INFO L125 PetriNetUnfolderBase]: For 232/233 co-relation queries the response was YES. [2023-11-12 02:14:11,037 INFO L83 FinitePrefix]: Finished finitePrefix Result has 742 conditions, 209 events. 61/209 cut-off events. For 232/233 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 732 event pairs, 6 based on Foata normal form. 11/219 useless extension candidates. Maximal degree in co-relation 725. Up to 83 conditions per place. [2023-11-12 02:14:11,038 INFO L140 encePairwiseOnDemand]: 167/175 looper letters, 37 selfloop transitions, 4 changer transitions 58/112 dead transitions. [2023-11-12 02:14:11,038 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 112 transitions, 811 flow [2023-11-12 02:14:11,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-12 02:14:11,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-12 02:14:11,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 862 transitions. [2023-11-12 02:14:11,043 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5473015873015873 [2023-11-12 02:14:11,043 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 862 transitions. [2023-11-12 02:14:11,043 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 862 transitions. [2023-11-12 02:14:11,044 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:14:11,044 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 862 transitions. [2023-11-12 02:14:11,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 95.77777777777777) internal successors, (862), 9 states have internal predecessors, (862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:11,050 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 175.0) internal successors, (1750), 10 states have internal predecessors, (1750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:11,051 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 175.0) internal successors, (1750), 10 states have internal predecessors, (1750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:11,051 INFO L175 Difference]: Start difference. First operand has 71 places, 59 transitions, 291 flow. Second operand 9 states and 862 transitions. [2023-11-12 02:14:11,051 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 112 transitions, 811 flow [2023-11-12 02:14:11,054 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 112 transitions, 773 flow, removed 1 selfloop flow, removed 8 redundant places. [2023-11-12 02:14:11,056 INFO L231 Difference]: Finished difference. Result has 74 places, 53 transitions, 268 flow [2023-11-12 02:14:11,056 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=269, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=268, PETRI_PLACES=74, PETRI_TRANSITIONS=53} [2023-11-12 02:14:11,057 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 28 predicate places. [2023-11-12 02:14:11,057 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 53 transitions, 268 flow [2023-11-12 02:14:11,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 91.63636363636364) internal successors, (1008), 11 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:11,058 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:14:11,058 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:14:11,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-12 02:14:11,058 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-12 02:14:11,059 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:14:11,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1964667485, now seen corresponding path program 4 times [2023-11-12 02:14:11,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:14:11,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457614031] [2023-11-12 02:14:11,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:11,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:14:11,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:11,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:14:11,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:14:11,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457614031] [2023-11-12 02:14:11,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457614031] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:14:11,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:14:11,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-12 02:14:11,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921801958] [2023-11-12 02:14:11,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:14:11,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-12 02:14:11,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:14:11,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-12 02:14:11,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-11-12 02:14:12,570 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 175 [2023-11-12 02:14:12,571 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 53 transitions, 268 flow. Second operand has 11 states, 11 states have (on average 91.63636363636364) internal successors, (1008), 11 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:12,571 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:14:12,571 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 175 [2023-11-12 02:14:12,571 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:14:12,857 INFO L124 PetriNetUnfolderBase]: 36/144 cut-off events. [2023-11-12 02:14:12,857 INFO L125 PetriNetUnfolderBase]: For 234/236 co-relation queries the response was YES. [2023-11-12 02:14:12,858 INFO L83 FinitePrefix]: Finished finitePrefix Result has 540 conditions, 144 events. 36/144 cut-off events. For 234/236 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 437 event pairs, 5 based on Foata normal form. 13/157 useless extension candidates. Maximal degree in co-relation 520. Up to 75 conditions per place. [2023-11-12 02:14:12,859 INFO L140 encePairwiseOnDemand]: 166/175 looper letters, 33 selfloop transitions, 9 changer transitions 28/83 dead transitions. [2023-11-12 02:14:12,859 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 83 transitions, 597 flow [2023-11-12 02:14:12,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-12 02:14:12,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-12 02:14:12,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 948 transitions. [2023-11-12 02:14:12,863 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5417142857142857 [2023-11-12 02:14:12,864 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 948 transitions. [2023-11-12 02:14:12,864 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 948 transitions. [2023-11-12 02:14:12,865 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:14:12,865 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 948 transitions. [2023-11-12 02:14:12,868 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 94.8) internal successors, (948), 10 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) [2023-11-12 02:14:12,872 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 175.0) internal successors, (1925), 11 states have internal predecessors, (1925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:12,873 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 175.0) internal successors, (1925), 11 states have internal predecessors, (1925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:12,873 INFO L175 Difference]: Start difference. First operand has 74 places, 53 transitions, 268 flow. Second operand 10 states and 948 transitions. [2023-11-12 02:14:12,873 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 83 transitions, 597 flow [2023-11-12 02:14:12,876 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 83 transitions, 531 flow, removed 20 selfloop flow, removed 11 redundant places. [2023-11-12 02:14:12,878 INFO L231 Difference]: Finished difference. Result has 72 places, 53 transitions, 258 flow [2023-11-12 02:14:12,878 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=223, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=258, PETRI_PLACES=72, PETRI_TRANSITIONS=53} [2023-11-12 02:14:12,879 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 26 predicate places. [2023-11-12 02:14:12,879 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 53 transitions, 258 flow [2023-11-12 02:14:12,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 91.63636363636364) internal successors, (1008), 11 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:12,880 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:14:12,880 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:14:12,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-12 02:14:12,880 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-12 02:14:12,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:14:12,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1104599567, now seen corresponding path program 5 times [2023-11-12 02:14:12,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:14:12,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412119788] [2023-11-12 02:14:12,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:12,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:14:12,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:13,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:14:13,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:14:13,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412119788] [2023-11-12 02:14:13,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412119788] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:14:13,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:14:13,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-12 02:14:13,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984338119] [2023-11-12 02:14:13,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:14:13,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-12 02:14:13,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:14:13,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-12 02:14:13,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-11-12 02:14:14,356 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 175 [2023-11-12 02:14:14,357 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 53 transitions, 258 flow. Second operand has 11 states, 11 states have (on average 91.63636363636364) internal successors, (1008), 11 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:14,357 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:14:14,358 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 175 [2023-11-12 02:14:14,358 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:14:14,578 INFO L124 PetriNetUnfolderBase]: 19/90 cut-off events. [2023-11-12 02:14:14,578 INFO L125 PetriNetUnfolderBase]: For 133/133 co-relation queries the response was YES. [2023-11-12 02:14:14,579 INFO L83 FinitePrefix]: Finished finitePrefix Result has 320 conditions, 90 events. 19/90 cut-off events. For 133/133 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 158 event pairs, 0 based on Foata normal form. 11/101 useless extension candidates. Maximal degree in co-relation 303. Up to 25 conditions per place. [2023-11-12 02:14:14,579 INFO L140 encePairwiseOnDemand]: 167/175 looper letters, 0 selfloop transitions, 0 changer transitions 73/73 dead transitions. [2023-11-12 02:14:14,579 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 73 transitions, 496 flow [2023-11-12 02:14:14,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-12 02:14:14,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-12 02:14:14,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 851 transitions. [2023-11-12 02:14:14,583 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5403174603174603 [2023-11-12 02:14:14,584 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 851 transitions. [2023-11-12 02:14:14,584 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 851 transitions. [2023-11-12 02:14:14,585 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:14:14,585 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 851 transitions. [2023-11-12 02:14:14,587 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 94.55555555555556) internal successors, (851), 9 states have internal predecessors, (851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:14,591 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 175.0) internal successors, (1750), 10 states have internal predecessors, (1750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:14,592 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 175.0) internal successors, (1750), 10 states have internal predecessors, (1750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:14,592 INFO L175 Difference]: Start difference. First operand has 72 places, 53 transitions, 258 flow. Second operand 9 states and 851 transitions. [2023-11-12 02:14:14,592 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 73 transitions, 496 flow [2023-11-12 02:14:14,594 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 73 transitions, 443 flow, removed 14 selfloop flow, removed 9 redundant places. [2023-11-12 02:14:14,613 INFO L231 Difference]: Finished difference. Result has 68 places, 0 transitions, 0 flow [2023-11-12 02:14:14,614 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=0, PETRI_PLACES=68, PETRI_TRANSITIONS=0} [2023-11-12 02:14:14,615 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 22 predicate places. [2023-11-12 02:14:14,615 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 0 transitions, 0 flow [2023-11-12 02:14:14,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 91.63636363636364) internal successors, (1008), 11 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:14,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2023-11-12 02:14:14,619 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2023-11-12 02:14:14,619 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2023-11-12 02:14:14,620 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2023-11-12 02:14:14,620 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2023-11-12 02:14:14,620 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2023-11-12 02:14:14,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2023-11-12 02:14:14,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2023-11-12 02:14:14,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2023-11-12 02:14:14,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-12 02:14:14,622 INFO L445 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:14:14,627 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-12 02:14:14,628 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:14:14,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:14:14 BasicIcfg [2023-11-12 02:14:14,639 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:14:14,639 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:14:14,639 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:14:14,640 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:14:14,640 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:13:54" (3/4) ... [2023-11-12 02:14:14,642 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 02:14:14,648 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-12 02:14:14,656 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-12 02:14:14,656 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 02:14:14,657 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 02:14:14,751 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08fbf34-dba1-4552-8fe3-c83ca8fe4f74/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:14:14,752 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08fbf34-dba1-4552-8fe3-c83ca8fe4f74/bin/uautomizer-verify-uTZkv6EMXl/witness.yml [2023-11-12 02:14:14,752 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:14:14,752 INFO L158 Benchmark]: Toolchain (without parser) took 21932.32ms. Allocated memory was 153.1MB in the beginning and 333.4MB in the end (delta: 180.4MB). Free memory was 108.9MB in the beginning and 292.5MB in the end (delta: -183.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:14:14,753 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 153.1MB. Free memory is still 127.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:14:14,754 INFO L158 Benchmark]: CACSL2BoogieTranslator took 945.56ms. Allocated memory is still 153.1MB. Free memory was 108.6MB in the beginning and 80.9MB in the end (delta: 27.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-12 02:14:14,754 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.46ms. Allocated memory is still 153.1MB. Free memory was 80.9MB in the beginning and 78.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:14:14,755 INFO L158 Benchmark]: Boogie Preprocessor took 104.62ms. Allocated memory is still 153.1MB. Free memory was 78.5MB in the beginning and 125.2MB in the end (delta: -46.8MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2023-11-12 02:14:14,755 INFO L158 Benchmark]: RCFGBuilder took 597.19ms. Allocated memory is still 153.1MB. Free memory was 125.2MB in the beginning and 108.1MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 02:14:14,755 INFO L158 Benchmark]: TraceAbstraction took 20072.06ms. Allocated memory was 153.1MB in the beginning and 333.4MB in the end (delta: 180.4MB). Free memory was 107.5MB in the beginning and 297.8MB in the end (delta: -190.3MB). Peak memory consumption was 187.0MB. Max. memory is 16.1GB. [2023-11-12 02:14:14,756 INFO L158 Benchmark]: Witness Printer took 112.62ms. Allocated memory is still 333.4MB. Free memory was 297.8MB in the beginning and 292.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:14:14,758 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 153.1MB. Free memory is still 127.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 945.56ms. Allocated memory is still 153.1MB. Free memory was 108.6MB in the beginning and 80.9MB in the end (delta: 27.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.46ms. Allocated memory is still 153.1MB. Free memory was 80.9MB in the beginning and 78.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 104.62ms. Allocated memory is still 153.1MB. Free memory was 78.5MB in the beginning and 125.2MB in the end (delta: -46.8MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * RCFGBuilder took 597.19ms. Allocated memory is still 153.1MB. Free memory was 125.2MB in the beginning and 108.1MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 20072.06ms. Allocated memory was 153.1MB in the beginning and 333.4MB in the end (delta: 180.4MB). Free memory was 107.5MB in the beginning and 297.8MB in the end (delta: -190.3MB). Peak memory consumption was 187.0MB. Max. memory is 16.1GB. * Witness Printer took 112.62ms. Allocated memory is still 333.4MB. Free memory was 297.8MB in the beginning and 292.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.7s, 101 PlacesBefore, 46 PlacesAfterwards, 97 TransitionsBefore, 42 TransitionsAfterwards, 1612 CoEnabledTransitionPairs, 6 FixpointIterations, 42 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 60 TotalNumberOfCompositions, 10518 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2029, independent: 1534, independent conditional: 0, independent unconditional: 1534, dependent: 495, dependent conditional: 0, dependent unconditional: 495, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 636, independent: 573, independent conditional: 0, independent unconditional: 573, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2029, independent: 961, independent conditional: 0, independent unconditional: 961, dependent: 432, dependent conditional: 0, dependent unconditional: 432, unknown: 636, unknown conditional: 0, unknown unconditional: 636] , Statistics on independence cache: Total cache size (in pairs): 145, Positive cache size: 95, Positive conditional cache size: 0, Positive unconditional cache size: 95, Negative cache size: 50, Negative conditional cache size: 0, Negative unconditional cache size: 50, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 931]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 936]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 936]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 938]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 924]: 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 3 procedures, 143 locations, 9 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: 19.9s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 10.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2948 SdHoareTripleChecker+Valid, 7.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2131 mSDsluCounter, 1185 SdHoareTripleChecker+Invalid, 6.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1037 mSDsCounter, 723 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8199 IncrementalHoareTripleChecker+Invalid, 8922 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 723 mSolverCounterUnsat, 148 mSDtfsCounter, 8199 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 132 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1558occurred in iteration=5, InterpolantAutomatonStates: 91, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 275 NumberOfCodeBlocks, 275 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 262 ConstructedInterpolants, 0 QuantifiedInterpolants, 3015 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-12 02:14:14,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08fbf34-dba1-4552-8fe3-c83ca8fe4f74/bin/uautomizer-verify-uTZkv6EMXl/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