./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_03-priv_inv.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_cb5c1d8e-d50e-4302-9036-bdd6d8617c06/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb5c1d8e-d50e-4302-9036-bdd6d8617c06/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_cb5c1d8e-d50e-4302-9036-bdd6d8617c06/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb5c1d8e-d50e-4302-9036-bdd6d8617c06/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_03-priv_inv.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb5c1d8e-d50e-4302-9036-bdd6d8617c06/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_cb5c1d8e-d50e-4302-9036-bdd6d8617c06/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 f20707f1105ba10067156ebf4074b2c6b4682bff1e09b23f43a3f8b7604511aa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:28:01,186 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:28:01,288 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb5c1d8e-d50e-4302-9036-bdd6d8617c06/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-12 02:28:01,295 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:28:01,296 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:28:01,327 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:28:01,328 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:28:01,328 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:28:01,329 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:28:01,330 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:28:01,331 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:28:01,332 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:28:01,333 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:28:01,334 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:28:01,334 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:28:01,335 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:28:01,336 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:28:01,336 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:28:01,337 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:28:01,338 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:28:01,338 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:28:01,339 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:28:01,340 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-12 02:28:01,340 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:28:01,341 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:28:01,342 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:28:01,342 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:28:01,343 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:28:01,344 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:28:01,344 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:28:01,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:28:01,345 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:28:01,346 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:28:01,347 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:28:01,347 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:28:01,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:28:01,348 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:28:01,349 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:28:01,349 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:28:01,350 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:28:01,350 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:28:01,351 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_cb5c1d8e-d50e-4302-9036-bdd6d8617c06/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb5c1d8e-d50e-4302-9036-bdd6d8617c06/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f20707f1105ba10067156ebf4074b2c6b4682bff1e09b23f43a3f8b7604511aa [2023-11-12 02:28:01,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:28:01,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:28:01,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:28:01,709 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:28:01,710 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:28:01,711 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb5c1d8e-d50e-4302-9036-bdd6d8617c06/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/goblint-regression/13-privatized_03-priv_inv.i [2023-11-12 02:28:05,276 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:28:05,690 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:28:05,691 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb5c1d8e-d50e-4302-9036-bdd6d8617c06/sv-benchmarks/c/goblint-regression/13-privatized_03-priv_inv.i [2023-11-12 02:28:05,719 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb5c1d8e-d50e-4302-9036-bdd6d8617c06/bin/uautomizer-verify-uTZkv6EMXl/data/d6a420ce9/d2602cf3f4264f6da6ebc8b6ab7d0247/FLAG1046330da [2023-11-12 02:28:05,741 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb5c1d8e-d50e-4302-9036-bdd6d8617c06/bin/uautomizer-verify-uTZkv6EMXl/data/d6a420ce9/d2602cf3f4264f6da6ebc8b6ab7d0247 [2023-11-12 02:28:05,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:28:05,759 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:28:05,761 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:28:05,761 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:28:05,768 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:28:05,771 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:28:05" (1/1) ... [2023-11-12 02:28:05,772 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64f15dd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:05, skipping insertion in model container [2023-11-12 02:28:05,773 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:28:05" (1/1) ... [2023-11-12 02:28:05,846 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:28:06,397 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:28:06,417 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:28:06,509 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:28:06,577 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:28:06,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:06 WrapperNode [2023-11-12 02:28:06,578 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:28:06,580 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:28:06,580 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:28:06,580 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:28:06,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:06" (1/1) ... [2023-11-12 02:28:06,628 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:06" (1/1) ... [2023-11-12 02:28:06,678 INFO L138 Inliner]: procedures = 165, calls = 34, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 82 [2023-11-12 02:28:06,678 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:28:06,679 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:28:06,679 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:28:06,680 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:28:06,691 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:06" (1/1) ... [2023-11-12 02:28:06,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:06" (1/1) ... [2023-11-12 02:28:06,703 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:06" (1/1) ... [2023-11-12 02:28:06,703 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:06" (1/1) ... [2023-11-12 02:28:06,724 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:06" (1/1) ... [2023-11-12 02:28:06,727 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:06" (1/1) ... [2023-11-12 02:28:06,729 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:06" (1/1) ... [2023-11-12 02:28:06,731 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:06" (1/1) ... [2023-11-12 02:28:06,735 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:28:06,736 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:28:06,736 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:28:06,736 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:28:06,738 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:06" (1/1) ... [2023-11-12 02:28:06,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:28:06,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb5c1d8e-d50e-4302-9036-bdd6d8617c06/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:28:06,786 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb5c1d8e-d50e-4302-9036-bdd6d8617c06/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:28:06,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb5c1d8e-d50e-4302-9036-bdd6d8617c06/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:28:06,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:28:06,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:28:06,845 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-12 02:28:06,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:28:06,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:28:06,845 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-12 02:28:06,846 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-12 02:28:06,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:28:06,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:28:06,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:28:06,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:28:06,849 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 02:28:07,084 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:28:07,087 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:28:07,413 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:28:07,422 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:28:07,423 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:28:07,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:28:07 BoogieIcfgContainer [2023-11-12 02:28:07,426 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:28:07,429 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:28:07,429 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:28:07,433 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:28:07,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:28:05" (1/3) ... [2023-11-12 02:28:07,434 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ddd03ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:28:07, skipping insertion in model container [2023-11-12 02:28:07,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:06" (2/3) ... [2023-11-12 02:28:07,435 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ddd03ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:28:07, skipping insertion in model container [2023-11-12 02:28:07,436 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:28:07" (3/3) ... [2023-11-12 02:28:07,437 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_03-priv_inv.i [2023-11-12 02:28:07,447 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-12 02:28:07,459 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:28:07,461 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2023-11-12 02:28:07,461 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 02:28:07,531 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-12 02:28:07,580 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 112 places, 111 transitions, 229 flow [2023-11-12 02:28:07,635 INFO L124 PetriNetUnfolderBase]: 3/110 cut-off events. [2023-11-12 02:28:07,636 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-12 02:28:07,641 INFO L83 FinitePrefix]: Finished finitePrefix Result has 115 conditions, 110 events. 3/110 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 67 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 51. Up to 2 conditions per place. [2023-11-12 02:28:07,642 INFO L82 GeneralOperation]: Start removeDead. Operand has 112 places, 111 transitions, 229 flow [2023-11-12 02:28:07,647 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 103 places, 102 transitions, 207 flow [2023-11-12 02:28:07,652 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-12 02:28:07,663 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 102 transitions, 207 flow [2023-11-12 02:28:07,666 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 102 transitions, 207 flow [2023-11-12 02:28:07,667 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 103 places, 102 transitions, 207 flow [2023-11-12 02:28:07,697 INFO L124 PetriNetUnfolderBase]: 3/102 cut-off events. [2023-11-12 02:28:07,697 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:28:07,699 INFO L83 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 102 events. 3/102 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 67 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 51. Up to 2 conditions per place. [2023-11-12 02:28:07,701 INFO L119 LiptonReduction]: Number of co-enabled transitions 1178 [2023-11-12 02:28:12,986 INFO L134 LiptonReduction]: Checked pairs total: 6003 [2023-11-12 02:28:12,986 INFO L136 LiptonReduction]: Total number of compositions: 80 [2023-11-12 02:28:13,002 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:28:13,009 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;@16d1ea61, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:28:13,010 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-11-12 02:28:13,011 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-12 02:28:13,012 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-12 02:28:13,012 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:28:13,012 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:28:13,013 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-12 02:28:13,013 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-12 02:28:13,018 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:28:13,019 INFO L85 PathProgramCache]: Analyzing trace with hash 364, now seen corresponding path program 1 times [2023-11-12 02:28:13,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:28:13,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106909566] [2023-11-12 02:28:13,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:28:13,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:28:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:13,143 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 02:28:13,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:28:13,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106909566] [2023-11-12 02:28:13,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106909566] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:28:13,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:28:13,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-12 02:28:13,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650073086] [2023-11-12 02:28:13,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:28:13,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:28:13,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:28:13,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:28:13,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:28:13,187 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 191 [2023-11-12 02:28:13,189 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 30 transitions, 63 flow. Second operand has 2 states, 2 states have (on average 107.5) internal successors, (215), 2 states have internal predecessors, (215), 0 states have call successors, (0), 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 02:28:13,190 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:28:13,190 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 191 [2023-11-12 02:28:13,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:28:13,258 INFO L124 PetriNetUnfolderBase]: 41/138 cut-off events. [2023-11-12 02:28:13,259 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:28:13,260 INFO L83 FinitePrefix]: Finished finitePrefix Result has 230 conditions, 138 events. 41/138 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 562 event pairs, 32 based on Foata normal form. 0/119 useless extension candidates. Maximal degree in co-relation 221. Up to 88 conditions per place. [2023-11-12 02:28:13,262 INFO L140 encePairwiseOnDemand]: 189/191 looper letters, 15 selfloop transitions, 0 changer transitions 0/28 dead transitions. [2023-11-12 02:28:13,262 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 28 transitions, 89 flow [2023-11-12 02:28:13,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:28:13,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-12 02:28:13,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 231 transitions. [2023-11-12 02:28:13,277 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6047120418848168 [2023-11-12 02:28:13,278 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 231 transitions. [2023-11-12 02:28:13,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 231 transitions. [2023-11-12 02:28:13,280 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:28:13,283 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 231 transitions. [2023-11-12 02:28:13,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 115.5) internal successors, (231), 2 states have internal predecessors, (231), 0 states have call successors, (0), 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 02:28:13,291 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 191.0) internal successors, (573), 3 states have internal predecessors, (573), 0 states have call successors, (0), 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 02:28:13,292 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 191.0) internal successors, (573), 3 states have internal predecessors, (573), 0 states have call successors, (0), 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 02:28:13,294 INFO L175 Difference]: Start difference. First operand has 33 places, 30 transitions, 63 flow. Second operand 2 states and 231 transitions. [2023-11-12 02:28:13,295 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 28 transitions, 89 flow [2023-11-12 02:28:13,298 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 28 transitions, 88 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-12 02:28:13,299 INFO L231 Difference]: Finished difference. Result has 31 places, 28 transitions, 58 flow [2023-11-12 02:28:13,301 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=58, PETRI_PLACES=31, PETRI_TRANSITIONS=28} [2023-11-12 02:28:13,305 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, -2 predicate places. [2023-11-12 02:28:13,305 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 28 transitions, 58 flow [2023-11-12 02:28:13,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 107.5) internal successors, (215), 2 states have internal predecessors, (215), 0 states have call successors, (0), 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 02:28:13,306 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:28:13,306 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-12 02:28:13,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:28:13,307 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-12 02:28:13,307 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:28:13,308 INFO L85 PathProgramCache]: Analyzing trace with hash 343011206, now seen corresponding path program 1 times [2023-11-12 02:28:13,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:28:13,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278420532] [2023-11-12 02:28:13,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:28:13,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:28:13,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:13,464 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 02:28:13,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:28:13,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278420532] [2023-11-12 02:28:13,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278420532] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:28:13,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:28:13,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:28:13,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040478499] [2023-11-12 02:28:13,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:28:13,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:28:13,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:28:13,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:28:13,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:28:13,510 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 191 [2023-11-12 02:28:13,511 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 28 transitions, 58 flow. Second operand has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 0 states have call successors, (0), 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 02:28:13,511 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:28:13,512 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 191 [2023-11-12 02:28:13,512 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:28:13,651 INFO L124 PetriNetUnfolderBase]: 71/224 cut-off events. [2023-11-12 02:28:13,651 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:28:13,656 INFO L83 FinitePrefix]: Finished finitePrefix Result has 391 conditions, 224 events. 71/224 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1036 event pairs, 24 based on Foata normal form. 0/203 useless extension candidates. Maximal degree in co-relation 388. Up to 87 conditions per place. [2023-11-12 02:28:13,660 INFO L140 encePairwiseOnDemand]: 181/191 looper letters, 26 selfloop transitions, 8 changer transitions 0/43 dead transitions. [2023-11-12 02:28:13,660 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 43 transitions, 156 flow [2023-11-12 02:28:13,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:28:13,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:28:13,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 321 transitions. [2023-11-12 02:28:13,668 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5602094240837696 [2023-11-12 02:28:13,668 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 321 transitions. [2023-11-12 02:28:13,668 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 321 transitions. [2023-11-12 02:28:13,669 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:28:13,670 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 321 transitions. [2023-11-12 02:28:13,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 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 02:28:13,674 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 0 states have call successors, (0), 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 02:28:13,675 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 0 states have call successors, (0), 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 02:28:13,675 INFO L175 Difference]: Start difference. First operand has 31 places, 28 transitions, 58 flow. Second operand 3 states and 321 transitions. [2023-11-12 02:28:13,676 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 43 transitions, 156 flow [2023-11-12 02:28:13,677 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 43 transitions, 156 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-12 02:28:13,679 INFO L231 Difference]: Finished difference. Result has 35 places, 35 transitions, 122 flow [2023-11-12 02:28:13,680 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=122, PETRI_PLACES=35, PETRI_TRANSITIONS=35} [2023-11-12 02:28:13,682 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 2 predicate places. [2023-11-12 02:28:13,682 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 35 transitions, 122 flow [2023-11-12 02:28:13,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 0 states have call successors, (0), 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 02:28:13,684 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:28:13,685 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-12 02:28:13,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:28:13,687 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-12 02:28:13,688 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:28:13,689 INFO L85 PathProgramCache]: Analyzing trace with hash 2044470457, now seen corresponding path program 1 times [2023-11-12 02:28:13,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:28:13,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090961518] [2023-11-12 02:28:13,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:28:13,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:28:13,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:13,808 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 02:28:13,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:28:13,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090961518] [2023-11-12 02:28:13,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090961518] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:28:13,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:28:13,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:28:13,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970344257] [2023-11-12 02:28:13,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:28:13,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:28:13,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:28:13,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:28:13,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:28:13,853 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 191 [2023-11-12 02:28:13,854 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 35 transitions, 122 flow. Second operand has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 0 states have call successors, (0), 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 02:28:13,854 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:28:13,854 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 191 [2023-11-12 02:28:13,854 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:28:13,933 INFO L124 PetriNetUnfolderBase]: 81/245 cut-off events. [2023-11-12 02:28:13,933 INFO L125 PetriNetUnfolderBase]: For 117/123 co-relation queries the response was YES. [2023-11-12 02:28:13,934 INFO L83 FinitePrefix]: Finished finitePrefix Result has 553 conditions, 245 events. 81/245 cut-off events. For 117/123 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1172 event pairs, 35 based on Foata normal form. 2/220 useless extension candidates. Maximal degree in co-relation 548. Up to 141 conditions per place. [2023-11-12 02:28:13,936 INFO L140 encePairwiseOnDemand]: 185/191 looper letters, 23 selfloop transitions, 8 changer transitions 0/44 dead transitions. [2023-11-12 02:28:13,937 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 44 transitions, 218 flow [2023-11-12 02:28:13,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:28:13,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:28:13,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 310 transitions. [2023-11-12 02:28:13,939 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5410122164048866 [2023-11-12 02:28:13,940 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 310 transitions. [2023-11-12 02:28:13,940 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 310 transitions. [2023-11-12 02:28:13,940 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:28:13,941 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 310 transitions. [2023-11-12 02:28:13,942 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 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 02:28:13,948 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 0 states have call successors, (0), 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 02:28:13,949 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 0 states have call successors, (0), 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 02:28:13,949 INFO L175 Difference]: Start difference. First operand has 35 places, 35 transitions, 122 flow. Second operand 3 states and 310 transitions. [2023-11-12 02:28:13,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 44 transitions, 218 flow [2023-11-12 02:28:13,953 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 44 transitions, 196 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-12 02:28:13,955 INFO L231 Difference]: Finished difference. Result has 37 places, 41 transitions, 174 flow [2023-11-12 02:28:13,956 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=174, PETRI_PLACES=37, PETRI_TRANSITIONS=41} [2023-11-12 02:28:13,958 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 4 predicate places. [2023-11-12 02:28:13,958 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 41 transitions, 174 flow [2023-11-12 02:28:13,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 0 states have call successors, (0), 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 02:28:13,959 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:28:13,959 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:28:13,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:28:13,959 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-12 02:28:13,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:28:13,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1932224564, now seen corresponding path program 1 times [2023-11-12 02:28:13,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:28:13,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244077010] [2023-11-12 02:28:13,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:28:13,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:28:14,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:14,142 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 02:28:14,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:28:14,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244077010] [2023-11-12 02:28:14,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244077010] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:28:14,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:28:14,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:28:14,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759327359] [2023-11-12 02:28:14,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:28:14,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:28:14,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:28:14,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:28:14,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:28:14,175 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 191 [2023-11-12 02:28:14,176 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 41 transitions, 174 flow. Second operand has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 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 02:28:14,176 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:28:14,176 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 191 [2023-11-12 02:28:14,176 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:28:14,233 INFO L124 PetriNetUnfolderBase]: 25/113 cut-off events. [2023-11-12 02:28:14,234 INFO L125 PetriNetUnfolderBase]: For 66/66 co-relation queries the response was YES. [2023-11-12 02:28:14,234 INFO L83 FinitePrefix]: Finished finitePrefix Result has 285 conditions, 113 events. 25/113 cut-off events. For 66/66 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 403 event pairs, 2 based on Foata normal form. 9/117 useless extension candidates. Maximal degree in co-relation 279. Up to 64 conditions per place. [2023-11-12 02:28:14,235 INFO L140 encePairwiseOnDemand]: 186/191 looper letters, 20 selfloop transitions, 5 changer transitions 0/38 dead transitions. [2023-11-12 02:28:14,236 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 38 transitions, 200 flow [2023-11-12 02:28:14,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:28:14,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:28:14,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 323 transitions. [2023-11-12 02:28:14,238 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5636998254799301 [2023-11-12 02:28:14,239 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 323 transitions. [2023-11-12 02:28:14,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 323 transitions. [2023-11-12 02:28:14,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:28:14,239 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 323 transitions. [2023-11-12 02:28:14,241 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 107.66666666666667) internal successors, (323), 3 states have internal predecessors, (323), 0 states have call successors, (0), 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 02:28:14,244 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 0 states have call successors, (0), 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 02:28:14,245 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 0 states have call successors, (0), 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 02:28:14,245 INFO L175 Difference]: Start difference. First operand has 37 places, 41 transitions, 174 flow. Second operand 3 states and 323 transitions. [2023-11-12 02:28:14,245 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 38 transitions, 200 flow [2023-11-12 02:28:14,250 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 38 transitions, 180 flow, removed 5 selfloop flow, removed 2 redundant places. [2023-11-12 02:28:14,252 INFO L231 Difference]: Finished difference. Result has 36 places, 35 transitions, 128 flow [2023-11-12 02:28:14,253 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=128, PETRI_PLACES=36, PETRI_TRANSITIONS=35} [2023-11-12 02:28:14,255 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 3 predicate places. [2023-11-12 02:28:14,255 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 35 transitions, 128 flow [2023-11-12 02:28:14,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 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 02:28:14,256 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:28:14,256 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:28:14,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:28:14,257 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-12 02:28:14,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:28:14,258 INFO L85 PathProgramCache]: Analyzing trace with hash -731718687, now seen corresponding path program 1 times [2023-11-12 02:28:14,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:28:14,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786952657] [2023-11-12 02:28:14,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:28:14,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:28:14,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:14,324 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 02:28:14,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:28:14,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786952657] [2023-11-12 02:28:14,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786952657] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:28:14,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:28:14,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:28:14,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439491357] [2023-11-12 02:28:14,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:28:14,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:28:14,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:28:14,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:28:14,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:28:14,349 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 191 [2023-11-12 02:28:14,350 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 35 transitions, 128 flow. Second operand has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 0 states have call successors, (0), 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 02:28:14,350 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:28:14,351 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 191 [2023-11-12 02:28:14,351 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:28:14,390 INFO L124 PetriNetUnfolderBase]: 0/36 cut-off events. [2023-11-12 02:28:14,390 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-12 02:28:14,391 INFO L83 FinitePrefix]: Finished finitePrefix Result has 97 conditions, 36 events. 0/36 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 37 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 0. Up to 20 conditions per place. [2023-11-12 02:28:14,391 INFO L140 encePairwiseOnDemand]: 187/191 looper letters, 10 selfloop transitions, 3 changer transitions 3/20 dead transitions. [2023-11-12 02:28:14,391 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 20 transitions, 102 flow [2023-11-12 02:28:14,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:28:14,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:28:14,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 310 transitions. [2023-11-12 02:28:14,394 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5410122164048866 [2023-11-12 02:28:14,394 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 310 transitions. [2023-11-12 02:28:14,395 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 310 transitions. [2023-11-12 02:28:14,395 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:28:14,396 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 310 transitions. [2023-11-12 02:28:14,398 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 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 02:28:14,400 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 0 states have call successors, (0), 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 02:28:14,401 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 0 states have call successors, (0), 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 02:28:14,402 INFO L175 Difference]: Start difference. First operand has 36 places, 35 transitions, 128 flow. Second operand 3 states and 310 transitions. [2023-11-12 02:28:14,402 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 20 transitions, 102 flow [2023-11-12 02:28:14,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 20 transitions, 90 flow, removed 2 selfloop flow, removed 3 redundant places. [2023-11-12 02:28:14,406 INFO L231 Difference]: Finished difference. Result has 28 places, 17 transitions, 55 flow [2023-11-12 02:28:14,406 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=55, PETRI_PLACES=28, PETRI_TRANSITIONS=17} [2023-11-12 02:28:14,409 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, -5 predicate places. [2023-11-12 02:28:14,410 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 17 transitions, 55 flow [2023-11-12 02:28:14,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 0 states have call successors, (0), 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 02:28:14,410 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:28:14,411 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:28:14,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-12 02:28:14,411 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-12 02:28:14,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:28:14,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1707319137, now seen corresponding path program 1 times [2023-11-12 02:28:14,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:28:14,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095036170] [2023-11-12 02:28:14,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:28:14,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:28:14,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:14,462 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 02:28:14,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:28:14,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095036170] [2023-11-12 02:28:14,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095036170] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:28:14,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:28:14,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:28:14,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642664460] [2023-11-12 02:28:14,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:28:14,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:28:14,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:28:14,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:28:14,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:28:14,544 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 191 [2023-11-12 02:28:14,544 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 17 transitions, 55 flow. Second operand has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 0 states have call successors, (0), 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 02:28:14,545 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:28:14,545 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 191 [2023-11-12 02:28:14,545 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:28:14,575 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2023-11-12 02:28:14,575 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-12 02:28:14,576 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64 conditions, 25 events. 0/25 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 18 event pairs, 0 based on Foata normal form. 2/27 useless extension candidates. Maximal degree in co-relation 0. Up to 16 conditions per place. [2023-11-12 02:28:14,576 INFO L140 encePairwiseOnDemand]: 189/191 looper letters, 0 selfloop transitions, 0 changer transitions 16/16 dead transitions. [2023-11-12 02:28:14,576 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 16 transitions, 75 flow [2023-11-12 02:28:14,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:28:14,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:28:14,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 297 transitions. [2023-11-12 02:28:14,579 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.518324607329843 [2023-11-12 02:28:14,579 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 297 transitions. [2023-11-12 02:28:14,579 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 297 transitions. [2023-11-12 02:28:14,580 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:28:14,580 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 297 transitions. [2023-11-12 02:28:14,582 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 99.0) internal successors, (297), 3 states have internal predecessors, (297), 0 states have call successors, (0), 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 02:28:14,584 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 0 states have call successors, (0), 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 02:28:14,585 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 0 states have call successors, (0), 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 02:28:14,586 INFO L175 Difference]: Start difference. First operand has 28 places, 17 transitions, 55 flow. Second operand 3 states and 297 transitions. [2023-11-12 02:28:14,586 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 16 transitions, 75 flow [2023-11-12 02:28:14,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 16 transitions, 59 flow, removed 1 selfloop flow, removed 4 redundant places. [2023-11-12 02:28:14,590 INFO L231 Difference]: Finished difference. Result has 23 places, 0 transitions, 0 flow [2023-11-12 02:28:14,590 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=37, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=23, PETRI_TRANSITIONS=0} [2023-11-12 02:28:14,593 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, -10 predicate places. [2023-11-12 02:28:14,594 INFO L495 AbstractCegarLoop]: Abstraction has has 23 places, 0 transitions, 0 flow [2023-11-12 02:28:14,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 0 states have call successors, (0), 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 02:28:14,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2023-11-12 02:28:14,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2023-11-12 02:28:14,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2023-11-12 02:28:14,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2023-11-12 02:28:14,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2023-11-12 02:28:14,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2023-11-12 02:28:14,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2023-11-12 02:28:14,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2023-11-12 02:28:14,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2023-11-12 02:28:14,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2023-11-12 02:28:14,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-12 02:28:14,604 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-12 02:28:14,610 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-12 02:28:14,610 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:28:14,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:28:14 BasicIcfg [2023-11-12 02:28:14,619 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:28:14,620 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:28:14,620 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:28:14,620 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:28:14,621 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:28:07" (3/4) ... [2023-11-12 02:28:14,623 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 02:28:14,627 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-12 02:28:14,633 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-12 02:28:14,633 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-12 02:28:14,633 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-12 02:28:14,634 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 02:28:14,634 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 02:28:14,745 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb5c1d8e-d50e-4302-9036-bdd6d8617c06/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:28:14,745 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb5c1d8e-d50e-4302-9036-bdd6d8617c06/bin/uautomizer-verify-uTZkv6EMXl/witness.yml [2023-11-12 02:28:14,745 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:28:14,746 INFO L158 Benchmark]: Toolchain (without parser) took 8987.92ms. Allocated memory was 169.9MB in the beginning and 230.7MB in the end (delta: 60.8MB). Free memory was 126.2MB in the beginning and 188.6MB in the end (delta: -62.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:28:14,747 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 113.2MB. Free memory is still 62.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:28:14,747 INFO L158 Benchmark]: CACSL2BoogieTranslator took 817.80ms. Allocated memory is still 169.9MB. Free memory was 126.0MB in the beginning and 106.4MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-12 02:28:14,748 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.81ms. Allocated memory is still 169.9MB. Free memory was 106.4MB in the beginning and 104.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:28:14,748 INFO L158 Benchmark]: Boogie Preprocessor took 56.00ms. Allocated memory is still 169.9MB. Free memory was 104.4MB in the beginning and 102.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:28:14,749 INFO L158 Benchmark]: RCFGBuilder took 690.04ms. Allocated memory is still 169.9MB. Free memory was 102.7MB in the beginning and 136.0MB in the end (delta: -33.3MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2023-11-12 02:28:14,749 INFO L158 Benchmark]: TraceAbstraction took 7190.41ms. Allocated memory was 169.9MB in the beginning and 230.7MB in the end (delta: 60.8MB). Free memory was 135.5MB in the beginning and 192.8MB in the end (delta: -57.4MB). Peak memory consumption was 128.3MB. Max. memory is 16.1GB. [2023-11-12 02:28:14,750 INFO L158 Benchmark]: Witness Printer took 126.16ms. Allocated memory is still 230.7MB. Free memory was 192.8MB in the beginning and 188.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:28:14,752 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 113.2MB. Free memory is still 62.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 817.80ms. Allocated memory is still 169.9MB. Free memory was 126.0MB in the beginning and 106.4MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.81ms. Allocated memory is still 169.9MB. Free memory was 106.4MB in the beginning and 104.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.00ms. Allocated memory is still 169.9MB. Free memory was 104.4MB in the beginning and 102.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 690.04ms. Allocated memory is still 169.9MB. Free memory was 102.7MB in the beginning and 136.0MB in the end (delta: -33.3MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * TraceAbstraction took 7190.41ms. Allocated memory was 169.9MB in the beginning and 230.7MB in the end (delta: 60.8MB). Free memory was 135.5MB in the beginning and 192.8MB in the end (delta: -57.4MB). Peak memory consumption was 128.3MB. Max. memory is 16.1GB. * Witness Printer took 126.16ms. Allocated memory is still 230.7MB. Free memory was 192.8MB in the beginning and 188.6MB 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: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.3s, 103 PlacesBefore, 33 PlacesAfterwards, 102 TransitionsBefore, 30 TransitionsAfterwards, 1178 CoEnabledTransitionPairs, 7 FixpointIterations, 50 TrivialSequentialCompositions, 23 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 2 ConcurrentYvCompositions, 2 ChoiceCompositions, 80 TotalNumberOfCompositions, 6003 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1803, independent: 1435, independent conditional: 0, independent unconditional: 1435, dependent: 368, dependent conditional: 0, dependent unconditional: 368, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 607, independent: 559, independent conditional: 0, independent unconditional: 559, dependent: 48, dependent conditional: 0, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1803, independent: 876, independent conditional: 0, independent unconditional: 876, dependent: 320, dependent conditional: 0, dependent unconditional: 320, unknown: 607, unknown conditional: 0, unknown unconditional: 607] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 81, Positive conditional cache size: 0, Positive unconditional cache size: 81, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 704]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 694]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: 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, 129 locations, 10 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: 7.0s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 175 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 68 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 257 IncrementalHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 7 mSDtfsCounter, 257 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=174occurred in iteration=3, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 58 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 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-12 02:28:14,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb5c1d8e-d50e-4302-9036-bdd6d8617c06/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