./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_40-traces-ex-6_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc 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_4534f0c0-3a1f-47b1-83bf-568bb4a2903b/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4534f0c0-3a1f-47b1-83bf-568bb4a2903b/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4534f0c0-3a1f-47b1-83bf-568bb4a2903b/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4534f0c0-3a1f-47b1-83bf-568bb4a2903b/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_40-traces-ex-6_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4534f0c0-3a1f-47b1-83bf-568bb4a2903b/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4534f0c0-3a1f-47b1-83bf-568bb4a2903b/bin/uautomizer-verify-VRDe98Ueme --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 5ccb5cdd0373226e681809d7804324f4019c28126fdbac8b5748755015258b65 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:48:09,822 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:48:09,950 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4534f0c0-3a1f-47b1-83bf-568bb4a2903b/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 10:48:09,960 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:48:09,961 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:48:10,004 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:48:10,005 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:48:10,006 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:48:10,007 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:48:10,012 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:48:10,013 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:48:10,013 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:48:10,013 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:48:10,015 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:48:10,016 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:48:10,016 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:48:10,017 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:48:10,017 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:48:10,018 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:48:10,018 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:48:10,018 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:48:10,019 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:48:10,019 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 10:48:10,020 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:48:10,020 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:48:10,021 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:48:10,021 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:48:10,022 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:48:10,023 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:48:10,023 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:48:10,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:48:10,025 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:48:10,025 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:48:10,025 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:48:10,026 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:48:10,026 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:48:10,026 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:48:10,026 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:48:10,026 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:48:10,027 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:48:10,027 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:48:10,028 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_4534f0c0-3a1f-47b1-83bf-568bb4a2903b/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4534f0c0-3a1f-47b1-83bf-568bb4a2903b/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ccb5cdd0373226e681809d7804324f4019c28126fdbac8b5748755015258b65 [2023-11-26 10:48:10,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:48:10,405 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:48:10,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:48:10,409 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:48:10,410 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:48:10,412 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4534f0c0-3a1f-47b1-83bf-568bb4a2903b/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/goblint-regression/13-privatized_40-traces-ex-6_true.i [2023-11-26 10:48:13,642 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:48:13,915 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:48:13,915 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4534f0c0-3a1f-47b1-83bf-568bb4a2903b/sv-benchmarks/c/goblint-regression/13-privatized_40-traces-ex-6_true.i [2023-11-26 10:48:13,944 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4534f0c0-3a1f-47b1-83bf-568bb4a2903b/bin/uautomizer-verify-VRDe98Ueme/data/4c5f79ca3/c16457ebfe044286b64baf8c179fd870/FLAGe2267c311 [2023-11-26 10:48:13,958 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4534f0c0-3a1f-47b1-83bf-568bb4a2903b/bin/uautomizer-verify-VRDe98Ueme/data/4c5f79ca3/c16457ebfe044286b64baf8c179fd870 [2023-11-26 10:48:13,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:48:13,963 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:48:13,965 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:48:13,965 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:48:13,970 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:48:13,971 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:48:13" (1/1) ... [2023-11-26 10:48:13,972 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34af7def and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:13, skipping insertion in model container [2023-11-26 10:48:13,973 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:48:13" (1/1) ... [2023-11-26 10:48:14,038 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:48:14,465 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:48:14,481 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:48:14,546 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:48:14,602 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:48:14,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:14 WrapperNode [2023-11-26 10:48:14,603 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:48:14,605 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:48:14,605 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:48:14,605 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:48:14,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:14" (1/1) ... [2023-11-26 10:48:14,643 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:14" (1/1) ... [2023-11-26 10:48:14,669 INFO L138 Inliner]: procedures = 163, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2023-11-26 10:48:14,669 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:48:14,670 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:48:14,671 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:48:14,672 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:48:14,682 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:14" (1/1) ... [2023-11-26 10:48:14,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:14" (1/1) ... [2023-11-26 10:48:14,701 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:14" (1/1) ... [2023-11-26 10:48:14,701 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:14" (1/1) ... [2023-11-26 10:48:14,707 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:14" (1/1) ... [2023-11-26 10:48:14,709 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:14" (1/1) ... [2023-11-26 10:48:14,714 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:14" (1/1) ... [2023-11-26 10:48:14,715 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:14" (1/1) ... [2023-11-26 10:48:14,729 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:48:14,739 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:48:14,739 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:48:14,739 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:48:14,740 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:14" (1/1) ... [2023-11-26 10:48:14,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:48:14,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4534f0c0-3a1f-47b1-83bf-568bb4a2903b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:14,772 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4534f0c0-3a1f-47b1-83bf-568bb4a2903b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:14,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4534f0c0-3a1f-47b1-83bf-568bb4a2903b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:48:14,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 10:48:14,804 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-26 10:48:14,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:48:14,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 10:48:14,804 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-26 10:48:14,805 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-26 10:48:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 10:48:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 10:48:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-26 10:48:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:48:14,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:48:14,807 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-26 10:48:14,962 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:48:14,964 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:48:15,147 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:48:15,179 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:48:15,180 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 10:48:15,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:48:15 BoogieIcfgContainer [2023-11-26 10:48:15,181 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:48:15,184 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:48:15,184 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:48:15,188 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:48:15,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:48:13" (1/3) ... [2023-11-26 10:48:15,189 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7abc4394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:48:15, skipping insertion in model container [2023-11-26 10:48:15,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:14" (2/3) ... [2023-11-26 10:48:15,189 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7abc4394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:48:15, skipping insertion in model container [2023-11-26 10:48:15,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:48:15" (3/3) ... [2023-11-26 10:48:15,191 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_40-traces-ex-6_true.i [2023-11-26 10:48:15,201 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 10:48:15,211 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:48:15,211 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-26 10:48:15,211 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 10:48:15,264 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-26 10:48:15,309 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 85 places, 83 transitions, 170 flow [2023-11-26 10:48:15,358 INFO L124 PetriNetUnfolderBase]: 2/82 cut-off events. [2023-11-26 10:48:15,358 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 10:48:15,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 82 events. 2/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 83 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2023-11-26 10:48:15,363 INFO L82 GeneralOperation]: Start removeDead. Operand has 85 places, 83 transitions, 170 flow [2023-11-26 10:48:15,368 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 84 places, 82 transitions, 167 flow [2023-11-26 10:48:15,379 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:48:15,386 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;@78b15fe1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:48:15,386 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-11-26 10:48:15,404 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 10:48:15,404 INFO L124 PetriNetUnfolderBase]: 0/45 cut-off events. [2023-11-26 10:48:15,404 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 10:48:15,404 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:48:15,405 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, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:15,405 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2023-11-26 10:48:15,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:15,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1453763533, now seen corresponding path program 1 times [2023-11-26 10:48:15,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:15,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992852055] [2023-11-26 10:48:15,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:15,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:15,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:48:15,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:15,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992852055] [2023-11-26 10:48:15,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992852055] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:15,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:15,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:48:15,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435693858] [2023-11-26 10:48:15,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:15,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:48:15,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:15,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:48:15,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:48:15,953 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 83 [2023-11-26 10:48:15,959 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 82 transitions, 167 flow. Second operand has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:15,960 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:48:15,960 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 83 [2023-11-26 10:48:15,962 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:48:16,154 INFO L124 PetriNetUnfolderBase]: 36/233 cut-off events. [2023-11-26 10:48:16,155 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-26 10:48:16,158 INFO L83 FinitePrefix]: Finished finitePrefix Result has 327 conditions, 233 events. 36/233 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 922 event pairs, 28 based on Foata normal form. 19/240 useless extension candidates. Maximal degree in co-relation 293. Up to 73 conditions per place. [2023-11-26 10:48:16,160 INFO L140 encePairwiseOnDemand]: 76/83 looper letters, 17 selfloop transitions, 4 changer transitions 0/83 dead transitions. [2023-11-26 10:48:16,160 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 83 transitions, 211 flow [2023-11-26 10:48:16,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:48:16,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:48:16,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 221 transitions. [2023-11-26 10:48:16,181 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8875502008032129 [2023-11-26 10:48:16,182 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 221 transitions. [2023-11-26 10:48:16,183 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 221 transitions. [2023-11-26 10:48:16,185 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:48:16,188 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 221 transitions. [2023-11-26 10:48:16,193 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:16,199 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:16,200 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:16,202 INFO L175 Difference]: Start difference. First operand has 84 places, 82 transitions, 167 flow. Second operand 3 states and 221 transitions. [2023-11-26 10:48:16,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 83 transitions, 211 flow [2023-11-26 10:48:16,211 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 83 transitions, 210 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 10:48:16,218 INFO L231 Difference]: Finished difference. Result has 84 places, 80 transitions, 186 flow [2023-11-26 10:48:16,220 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=186, PETRI_PLACES=84, PETRI_TRANSITIONS=80} [2023-11-26 10:48:16,225 INFO L281 CegarLoopForPetriNet]: 84 programPoint places, 0 predicate places. [2023-11-26 10:48:16,225 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 80 transitions, 186 flow [2023-11-26 10:48:16,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:16,226 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:48:16,226 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, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:16,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 10:48:16,227 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2023-11-26 10:48:16,228 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:16,228 INFO L85 PathProgramCache]: Analyzing trace with hash 317220143, now seen corresponding path program 1 times [2023-11-26 10:48:16,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:16,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659926098] [2023-11-26 10:48:16,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:16,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:16,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:16,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:48:16,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:16,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659926098] [2023-11-26 10:48:16,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659926098] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:16,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:16,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:48:16,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186359594] [2023-11-26 10:48:16,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:16,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:48:16,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:16,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:48:16,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:48:16,343 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 83 [2023-11-26 10:48:16,344 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 80 transitions, 186 flow. Second operand has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:16,345 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:48:16,345 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 83 [2023-11-26 10:48:16,345 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:48:16,442 INFO L124 PetriNetUnfolderBase]: 37/363 cut-off events. [2023-11-26 10:48:16,442 INFO L125 PetriNetUnfolderBase]: For 28/30 co-relation queries the response was YES. [2023-11-26 10:48:16,445 INFO L83 FinitePrefix]: Finished finitePrefix Result has 510 conditions, 363 events. 37/363 cut-off events. For 28/30 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1917 event pairs, 20 based on Foata normal form. 0/339 useless extension candidates. Maximal degree in co-relation 475. Up to 64 conditions per place. [2023-11-26 10:48:16,447 INFO L140 encePairwiseOnDemand]: 78/83 looper letters, 15 selfloop transitions, 5 changer transitions 1/87 dead transitions. [2023-11-26 10:48:16,447 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 87 transitions, 246 flow [2023-11-26 10:48:16,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:48:16,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:48:16,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 222 transitions. [2023-11-26 10:48:16,450 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.891566265060241 [2023-11-26 10:48:16,451 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 222 transitions. [2023-11-26 10:48:16,451 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 222 transitions. [2023-11-26 10:48:16,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:48:16,452 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 222 transitions. [2023-11-26 10:48:16,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:16,455 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:16,456 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:16,456 INFO L175 Difference]: Start difference. First operand has 84 places, 80 transitions, 186 flow. Second operand 3 states and 222 transitions. [2023-11-26 10:48:16,456 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 87 transitions, 246 flow [2023-11-26 10:48:16,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 87 transitions, 236 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:48:16,462 INFO L231 Difference]: Finished difference. Result has 86 places, 83 transitions, 214 flow [2023-11-26 10:48:16,462 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=214, PETRI_PLACES=86, PETRI_TRANSITIONS=83} [2023-11-26 10:48:16,463 INFO L281 CegarLoopForPetriNet]: 84 programPoint places, 2 predicate places. [2023-11-26 10:48:16,464 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 83 transitions, 214 flow [2023-11-26 10:48:16,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:16,464 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:48:16,465 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:16,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 10:48:16,465 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2023-11-26 10:48:16,466 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:16,467 INFO L85 PathProgramCache]: Analyzing trace with hash 2143070666, now seen corresponding path program 1 times [2023-11-26 10:48:16,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:16,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813417053] [2023-11-26 10:48:16,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:16,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:16,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:48:16,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:16,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813417053] [2023-11-26 10:48:16,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813417053] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:16,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:16,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:48:16,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564565816] [2023-11-26 10:48:16,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:16,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:48:16,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:16,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:48:16,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:48:16,575 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 83 [2023-11-26 10:48:16,576 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 83 transitions, 214 flow. Second operand has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:16,576 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:48:16,577 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 83 [2023-11-26 10:48:16,577 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:48:16,672 INFO L124 PetriNetUnfolderBase]: 40/356 cut-off events. [2023-11-26 10:48:16,673 INFO L125 PetriNetUnfolderBase]: For 88/88 co-relation queries the response was YES. [2023-11-26 10:48:16,674 INFO L83 FinitePrefix]: Finished finitePrefix Result has 561 conditions, 356 events. 40/356 cut-off events. For 88/88 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1772 event pairs, 26 based on Foata normal form. 0/342 useless extension candidates. Maximal degree in co-relation 525. Up to 84 conditions per place. [2023-11-26 10:48:16,676 INFO L140 encePairwiseOnDemand]: 78/83 looper letters, 18 selfloop transitions, 4 changer transitions 3/89 dead transitions. [2023-11-26 10:48:16,676 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 89 transitions, 280 flow [2023-11-26 10:48:16,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:48:16,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:48:16,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 217 transitions. [2023-11-26 10:48:16,678 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8714859437751004 [2023-11-26 10:48:16,679 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 217 transitions. [2023-11-26 10:48:16,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 217 transitions. [2023-11-26 10:48:16,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:48:16,679 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 217 transitions. [2023-11-26 10:48:16,681 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:16,682 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:16,683 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:16,683 INFO L175 Difference]: Start difference. First operand has 86 places, 83 transitions, 214 flow. Second operand 3 states and 217 transitions. [2023-11-26 10:48:16,683 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 89 transitions, 280 flow [2023-11-26 10:48:16,686 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 89 transitions, 268 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:48:16,688 INFO L231 Difference]: Finished difference. Result has 88 places, 83 transitions, 228 flow [2023-11-26 10:48:16,689 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=228, PETRI_PLACES=88, PETRI_TRANSITIONS=83} [2023-11-26 10:48:16,690 INFO L281 CegarLoopForPetriNet]: 84 programPoint places, 4 predicate places. [2023-11-26 10:48:16,690 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 83 transitions, 228 flow [2023-11-26 10:48:16,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:16,691 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:48:16,691 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:16,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 10:48:16,692 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2023-11-26 10:48:16,692 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:16,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1083023731, now seen corresponding path program 1 times [2023-11-26 10:48:16,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:16,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726694981] [2023-11-26 10:48:16,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:16,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:16,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:17,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:48:17,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:17,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726694981] [2023-11-26 10:48:17,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726694981] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:17,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:17,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 10:48:17,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238493048] [2023-11-26 10:48:17,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:17,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:48:17,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:17,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:48:17,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:48:17,111 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 83 [2023-11-26 10:48:17,112 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 83 transitions, 228 flow. Second operand has 6 states, 6 states have (on average 71.33333333333333) internal successors, (428), 6 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:17,113 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:48:17,113 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 83 [2023-11-26 10:48:17,113 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:48:17,192 INFO L124 PetriNetUnfolderBase]: 8/232 cut-off events. [2023-11-26 10:48:17,192 INFO L125 PetriNetUnfolderBase]: For 41/43 co-relation queries the response was YES. [2023-11-26 10:48:17,193 INFO L83 FinitePrefix]: Finished finitePrefix Result has 334 conditions, 232 events. 8/232 cut-off events. For 41/43 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 875 event pairs, 3 based on Foata normal form. 3/227 useless extension candidates. Maximal degree in co-relation 295. Up to 17 conditions per place. [2023-11-26 10:48:17,194 INFO L140 encePairwiseOnDemand]: 78/83 looper letters, 6 selfloop transitions, 5 changer transitions 2/81 dead transitions. [2023-11-26 10:48:17,194 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 81 transitions, 236 flow [2023-11-26 10:48:17,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:48:17,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-26 10:48:17,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 365 transitions. [2023-11-26 10:48:17,196 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8795180722891566 [2023-11-26 10:48:17,197 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 365 transitions. [2023-11-26 10:48:17,197 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 365 transitions. [2023-11-26 10:48:17,197 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:48:17,198 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 365 transitions. [2023-11-26 10:48:17,199 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 73.0) internal successors, (365), 5 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:17,201 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 83.0) internal successors, (498), 6 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:17,201 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 83.0) internal successors, (498), 6 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:17,202 INFO L175 Difference]: Start difference. First operand has 88 places, 83 transitions, 228 flow. Second operand 5 states and 365 transitions. [2023-11-26 10:48:17,202 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 81 transitions, 236 flow [2023-11-26 10:48:17,205 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 81 transitions, 216 flow, removed 4 selfloop flow, removed 4 redundant places. [2023-11-26 10:48:17,207 INFO L231 Difference]: Finished difference. Result has 87 places, 78 transitions, 194 flow [2023-11-26 10:48:17,207 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=194, PETRI_PLACES=87, PETRI_TRANSITIONS=78} [2023-11-26 10:48:17,208 INFO L281 CegarLoopForPetriNet]: 84 programPoint places, 3 predicate places. [2023-11-26 10:48:17,209 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 78 transitions, 194 flow [2023-11-26 10:48:17,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 71.33333333333333) internal successors, (428), 6 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:17,209 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:48:17,210 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:17,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 10:48:17,210 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2023-11-26 10:48:17,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:17,211 INFO L85 PathProgramCache]: Analyzing trace with hash 984942190, now seen corresponding path program 1 times [2023-11-26 10:48:17,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:17,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785654945] [2023-11-26 10:48:17,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:17,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:17,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:17,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:48:17,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:17,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785654945] [2023-11-26 10:48:17,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785654945] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:17,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:17,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:48:17,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093319542] [2023-11-26 10:48:17,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:17,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:48:17,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:17,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:48:17,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:48:17,428 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 83 [2023-11-26 10:48:17,429 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 78 transitions, 194 flow. Second operand has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:17,429 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:48:17,429 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 83 [2023-11-26 10:48:17,429 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:48:17,484 INFO L124 PetriNetUnfolderBase]: 3/200 cut-off events. [2023-11-26 10:48:17,487 INFO L125 PetriNetUnfolderBase]: For 15/19 co-relation queries the response was YES. [2023-11-26 10:48:17,488 INFO L83 FinitePrefix]: Finished finitePrefix Result has 270 conditions, 200 events. 3/200 cut-off events. For 15/19 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 694 event pairs, 1 based on Foata normal form. 4/195 useless extension candidates. Maximal degree in co-relation 231. Up to 15 conditions per place. [2023-11-26 10:48:17,488 INFO L140 encePairwiseOnDemand]: 78/83 looper letters, 5 selfloop transitions, 4 changer transitions 3/81 dead transitions. [2023-11-26 10:48:17,488 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 81 transitions, 226 flow [2023-11-26 10:48:17,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:48:17,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:48:17,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 227 transitions. [2023-11-26 10:48:17,492 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9116465863453815 [2023-11-26 10:48:17,492 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 227 transitions. [2023-11-26 10:48:17,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 227 transitions. [2023-11-26 10:48:17,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:48:17,498 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 227 transitions. [2023-11-26 10:48:17,499 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 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) [2023-11-26 10:48:17,500 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:17,501 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:17,501 INFO L175 Difference]: Start difference. First operand has 87 places, 78 transitions, 194 flow. Second operand 3 states and 227 transitions. [2023-11-26 10:48:17,501 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 81 transitions, 226 flow [2023-11-26 10:48:17,504 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 81 transitions, 219 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-26 10:48:17,506 INFO L231 Difference]: Finished difference. Result has 87 places, 78 transitions, 202 flow [2023-11-26 10:48:17,507 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=202, PETRI_PLACES=87, PETRI_TRANSITIONS=78} [2023-11-26 10:48:17,509 INFO L281 CegarLoopForPetriNet]: 84 programPoint places, 3 predicate places. [2023-11-26 10:48:17,510 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 78 transitions, 202 flow [2023-11-26 10:48:17,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:17,510 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:48:17,511 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:17,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 10:48:17,511 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2023-11-26 10:48:17,515 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:17,515 INFO L85 PathProgramCache]: Analyzing trace with hash 824616422, now seen corresponding path program 2 times [2023-11-26 10:48:17,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:17,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332883057] [2023-11-26 10:48:17,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:17,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:17,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:17,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:48:17,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:17,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332883057] [2023-11-26 10:48:17,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332883057] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:17,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:17,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:48:17,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863905445] [2023-11-26 10:48:17,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:17,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:48:17,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:17,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:48:17,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:48:17,849 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 83 [2023-11-26 10:48:17,850 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 78 transitions, 202 flow. Second operand has 5 states, 5 states have (on average 71.8) internal successors, (359), 5 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:17,850 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:48:17,851 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 83 [2023-11-26 10:48:17,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:48:17,898 INFO L124 PetriNetUnfolderBase]: 0/99 cut-off events. [2023-11-26 10:48:17,898 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2023-11-26 10:48:17,898 INFO L83 FinitePrefix]: Finished finitePrefix Result has 144 conditions, 99 events. 0/99 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 77 event pairs, 0 based on Foata normal form. 1/98 useless extension candidates. Maximal degree in co-relation 0. Up to 8 conditions per place. [2023-11-26 10:48:17,899 INFO L140 encePairwiseOnDemand]: 77/83 looper letters, 0 selfloop transitions, 0 changer transitions 74/74 dead transitions. [2023-11-26 10:48:17,899 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 74 transitions, 202 flow [2023-11-26 10:48:17,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:48:17,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-26 10:48:17,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 361 transitions. [2023-11-26 10:48:17,901 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8698795180722891 [2023-11-26 10:48:17,901 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 361 transitions. [2023-11-26 10:48:17,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 361 transitions. [2023-11-26 10:48:17,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:48:17,902 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 361 transitions. [2023-11-26 10:48:17,903 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 72.2) internal successors, (361), 5 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:17,905 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 83.0) internal successors, (498), 6 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:17,906 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 83.0) internal successors, (498), 6 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:17,906 INFO L175 Difference]: Start difference. First operand has 87 places, 78 transitions, 202 flow. Second operand 5 states and 361 transitions. [2023-11-26 10:48:17,906 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 74 transitions, 202 flow [2023-11-26 10:48:17,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 74 transitions, 178 flow, removed 5 selfloop flow, removed 6 redundant places. [2023-11-26 10:48:17,911 INFO L231 Difference]: Finished difference. Result has 83 places, 0 transitions, 0 flow [2023-11-26 10:48:17,911 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=83, PETRI_TRANSITIONS=0} [2023-11-26 10:48:17,915 INFO L281 CegarLoopForPetriNet]: 84 programPoint places, -1 predicate places. [2023-11-26 10:48:17,915 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 0 transitions, 0 flow [2023-11-26 10:48:17,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 71.8) internal successors, (359), 5 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:17,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 6 remaining) [2023-11-26 10:48:17,919 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 6 remaining) [2023-11-26 10:48:17,919 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2023-11-26 10:48:17,919 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining) [2023-11-26 10:48:17,920 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2023-11-26 10:48:17,920 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2023-11-26 10:48:17,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 10:48:17,920 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2023-11-26 10:48:17,927 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-26 10:48:17,927 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 10:48:17,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:48:17 BasicIcfg [2023-11-26 10:48:17,941 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:48:17,942 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:48:17,942 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:48:17,942 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:48:17,943 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:48:15" (3/4) ... [2023-11-26 10:48:17,945 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 10:48:17,949 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-26 10:48:17,954 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-26 10:48:17,954 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-26 10:48:17,955 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-26 10:48:17,955 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 10:48:18,036 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4534f0c0-3a1f-47b1-83bf-568bb4a2903b/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 10:48:18,036 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4534f0c0-3a1f-47b1-83bf-568bb4a2903b/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 10:48:18,036 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:48:18,037 INFO L158 Benchmark]: Toolchain (without parser) took 4074.33ms. Allocated memory is still 174.1MB. Free memory was 127.3MB in the beginning and 72.2MB in the end (delta: 55.1MB). Peak memory consumption was 56.4MB. Max. memory is 16.1GB. [2023-11-26 10:48:18,038 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 134.2MB. Free memory was 81.0MB in the beginning and 80.8MB in the end (delta: 125.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:48:18,038 INFO L158 Benchmark]: CACSL2BoogieTranslator took 639.08ms. Allocated memory is still 174.1MB. Free memory was 126.9MB in the beginning and 107.2MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-26 10:48:18,038 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.96ms. Allocated memory is still 174.1MB. Free memory was 107.2MB in the beginning and 105.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:48:18,039 INFO L158 Benchmark]: Boogie Preprocessor took 58.83ms. Allocated memory is still 174.1MB. Free memory was 105.6MB in the beginning and 103.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:48:18,039 INFO L158 Benchmark]: RCFGBuilder took 442.58ms. Allocated memory is still 174.1MB. Free memory was 103.9MB in the beginning and 132.6MB in the end (delta: -28.7MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2023-11-26 10:48:18,040 INFO L158 Benchmark]: TraceAbstraction took 2757.11ms. Allocated memory is still 174.1MB. Free memory was 131.6MB in the beginning and 76.4MB in the end (delta: 55.2MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. [2023-11-26 10:48:18,040 INFO L158 Benchmark]: Witness Printer took 94.77ms. Allocated memory is still 174.1MB. Free memory was 76.4MB in the beginning and 72.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:48:18,043 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 134.2MB. Free memory was 81.0MB in the beginning and 80.8MB in the end (delta: 125.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 639.08ms. Allocated memory is still 174.1MB. Free memory was 126.9MB in the beginning and 107.2MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.96ms. Allocated memory is still 174.1MB. Free memory was 107.2MB in the beginning and 105.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 58.83ms. Allocated memory is still 174.1MB. Free memory was 105.6MB in the beginning and 103.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 442.58ms. Allocated memory is still 174.1MB. Free memory was 103.9MB in the beginning and 132.6MB in the end (delta: -28.7MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2757.11ms. Allocated memory is still 174.1MB. Free memory was 131.6MB in the beginning and 76.4MB in the end (delta: 55.2MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. * Witness Printer took 94.77ms. Allocated memory is still 174.1MB. Free memory was 76.4MB in the beginning and 72.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 107 locations, 6 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: 2.6s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 185 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 104 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 287 IncrementalHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 18 mSDtfsCounter, 287 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=228occurred in iteration=3, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 271 NumberOfCodeBlocks, 271 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 265 ConstructedInterpolants, 0 QuantifiedInterpolants, 619 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-26 10:48:18,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4534f0c0-3a1f-47b1-83bf-568bb4a2903b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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