./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_20-publish-regression_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a0165632 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_3c618dfd-afc0-4208-8f1b-faa5c6e36b0a/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c618dfd-afc0-4208-8f1b-faa5c6e36b0a/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c618dfd-afc0-4208-8f1b-faa5c6e36b0a/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c618dfd-afc0-4208-8f1b-faa5c6e36b0a/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_20-publish-regression_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c618dfd-afc0-4208-8f1b-faa5c6e36b0a/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c618dfd-afc0-4208-8f1b-faa5c6e36b0a/bin/uautomizer-verify-jihMAELWvX --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 bdbcb1f6d336419408bc21eb9ac3a89d4566c9a0348f626a712e605b31e52535 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:42:53,460 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:42:53,598 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c618dfd-afc0-4208-8f1b-faa5c6e36b0a/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-08 17:42:53,609 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:42:53,609 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:42:53,653 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:42:53,656 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:42:53,658 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:42:53,659 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:42:53,660 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:42:53,662 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:42:53,662 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:42:53,663 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:42:53,666 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:42:53,667 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:42:53,667 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:42:53,668 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:42:53,668 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:42:53,669 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:42:53,669 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:42:53,669 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:42:53,674 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:42:53,674 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-08 17:42:53,675 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:42:53,675 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:42:53,675 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:42:53,676 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:42:53,676 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:42:53,677 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:42:53,681 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:42:53,682 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:42:53,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:42:53,683 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:42:53,683 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:42:53,683 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:42:53,684 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:42:53,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:42:53,684 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:42:53,685 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:42:53,687 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:42:53,687 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:42:53,688 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_3c618dfd-afc0-4208-8f1b-faa5c6e36b0a/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c618dfd-afc0-4208-8f1b-faa5c6e36b0a/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdbcb1f6d336419408bc21eb9ac3a89d4566c9a0348f626a712e605b31e52535 [2024-11-08 17:42:54,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:42:54,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:42:54,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:42:54,051 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:42:54,052 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:42:54,054 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c618dfd-afc0-4208-8f1b-faa5c6e36b0a/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/goblint-regression/13-privatized_20-publish-regression_true.i Unable to find full path for "g++" [2024-11-08 17:42:56,635 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:42:56,990 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:42:56,991 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c618dfd-afc0-4208-8f1b-faa5c6e36b0a/sv-benchmarks/c/goblint-regression/13-privatized_20-publish-regression_true.i [2024-11-08 17:42:57,019 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c618dfd-afc0-4208-8f1b-faa5c6e36b0a/bin/uautomizer-verify-jihMAELWvX/data/ab2f4ed93/dc5b8cc3917040639fdf168b8d63f6a4/FLAG0b0737dd5 [2024-11-08 17:42:57,230 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c618dfd-afc0-4208-8f1b-faa5c6e36b0a/bin/uautomizer-verify-jihMAELWvX/data/ab2f4ed93/dc5b8cc3917040639fdf168b8d63f6a4 [2024-11-08 17:42:57,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:42:57,235 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:42:57,237 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:42:57,237 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:42:57,246 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:42:57,247 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:42:57" (1/1) ... [2024-11-08 17:42:57,248 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76984f67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:42:57, skipping insertion in model container [2024-11-08 17:42:57,249 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:42:57" (1/1) ... [2024-11-08 17:42:57,320 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:42:57,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:42:57,891 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:42:57,964 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:42:58,031 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:42:58,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:42:58 WrapperNode [2024-11-08 17:42:58,032 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:42:58,034 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:42:58,034 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:42:58,034 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:42:58,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:42:58" (1/1) ... [2024-11-08 17:42:58,071 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:42:58" (1/1) ... [2024-11-08 17:42:58,111 INFO L138 Inliner]: procedures = 162, calls = 31, calls flagged for inlining = 6, calls inlined = 8, statements flattened = 100 [2024-11-08 17:42:58,112 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:42:58,113 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:42:58,113 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:42:58,116 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:42:58,128 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:42:58" (1/1) ... [2024-11-08 17:42:58,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:42:58" (1/1) ... [2024-11-08 17:42:58,132 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:42:58" (1/1) ... [2024-11-08 17:42:58,133 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:42:58" (1/1) ... [2024-11-08 17:42:58,148 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:42:58" (1/1) ... [2024-11-08 17:42:58,154 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:42:58" (1/1) ... [2024-11-08 17:42:58,160 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:42:58" (1/1) ... [2024-11-08 17:42:58,161 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:42:58" (1/1) ... [2024-11-08 17:42:58,168 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:42:58,171 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:42:58,173 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:42:58,174 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:42:58,175 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:42:58" (1/1) ... [2024-11-08 17:42:58,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:42:58,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c618dfd-afc0-4208-8f1b-faa5c6e36b0a/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:42:58,216 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c618dfd-afc0-4208-8f1b-faa5c6e36b0a/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:42:58,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c618dfd-afc0-4208-8f1b-faa5c6e36b0a/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:42:58,257 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-08 17:42:58,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:42:58,258 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-08 17:42:58,258 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-08 17:42:58,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 17:42:58,259 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-08 17:42:58,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:42:58,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:42:58,263 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 17:42:58,437 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:42:58,439 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:42:58,702 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 17:42:58,702 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:42:58,768 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:42:58,769 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 17:42:58,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:42:58 BoogieIcfgContainer [2024-11-08 17:42:58,770 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:42:58,774 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:42:58,774 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:42:58,779 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:42:58,779 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:42:57" (1/3) ... [2024-11-08 17:42:58,780 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@416d4cdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:42:58, skipping insertion in model container [2024-11-08 17:42:58,781 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:42:58" (2/3) ... [2024-11-08 17:42:58,781 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@416d4cdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:42:58, skipping insertion in model container [2024-11-08 17:42:58,781 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:42:58" (3/3) ... [2024-11-08 17:42:58,783 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_20-publish-regression_true.i [2024-11-08 17:42:58,807 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:42:58,807 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-11-08 17:42:58,808 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 17:42:58,969 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-08 17:42:59,067 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 113 places, 115 transitions, 237 flow [2024-11-08 17:42:59,164 INFO L124 PetriNetUnfolderBase]: 6/114 cut-off events. [2024-11-08 17:42:59,164 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-08 17:42:59,172 INFO L83 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 114 events. 6/114 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 84 event pairs, 0 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 65. Up to 2 conditions per place. [2024-11-08 17:42:59,173 INFO L82 GeneralOperation]: Start removeDead. Operand has 113 places, 115 transitions, 237 flow [2024-11-08 17:42:59,179 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 107 places, 109 transitions, 221 flow [2024-11-08 17:42:59,191 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:42:59,201 INFO L333 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, 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;@2c14236b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:42:59,201 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-11-08 17:42:59,213 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 17:42:59,214 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-11-08 17:42:59,214 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 17:42:59,214 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:42:59,215 INFO L204 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] [2024-11-08 17:42:59,216 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-08 17:42:59,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:42:59,224 INFO L85 PathProgramCache]: Analyzing trace with hash -370451682, now seen corresponding path program 1 times [2024-11-08 17:42:59,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:42:59,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281523707] [2024-11-08 17:42:59,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:42:59,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:42:59,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:42:59,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:42:59,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:42:59,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281523707] [2024-11-08 17:42:59,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281523707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:42:59,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:42:59,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:42:59,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410364767] [2024-11-08 17:42:59,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:42:59,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:42:59,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:42:59,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:42:59,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:42:59,698 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 115 [2024-11-08 17:42:59,702 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 109 transitions, 221 flow. Second operand has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 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) [2024-11-08 17:42:59,702 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:42:59,703 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 115 [2024-11-08 17:42:59,704 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:42:59,927 INFO L124 PetriNetUnfolderBase]: 54/415 cut-off events. [2024-11-08 17:42:59,928 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-08 17:42:59,930 INFO L83 FinitePrefix]: Finished finitePrefix Result has 557 conditions, 415 events. 54/415 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2011 event pairs, 21 based on Foata normal form. 46/422 useless extension candidates. Maximal degree in co-relation 510. Up to 84 conditions per place. [2024-11-08 17:42:59,933 INFO L140 encePairwiseOnDemand]: 100/115 looper letters, 19 selfloop transitions, 6 changer transitions 5/104 dead transitions. [2024-11-08 17:42:59,934 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 104 transitions, 265 flow [2024-11-08 17:42:59,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:42:59,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:42:59,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 293 transitions. [2024-11-08 17:42:59,961 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8492753623188406 [2024-11-08 17:42:59,964 INFO L175 Difference]: Start difference. First operand has 107 places, 109 transitions, 221 flow. Second operand 3 states and 293 transitions. [2024-11-08 17:42:59,966 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 104 transitions, 265 flow [2024-11-08 17:42:59,972 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 104 transitions, 264 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 17:42:59,983 INFO L231 Difference]: Finished difference. Result has 102 places, 95 transitions, 224 flow [2024-11-08 17:42:59,988 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=224, PETRI_PLACES=102, PETRI_TRANSITIONS=95} [2024-11-08 17:42:59,997 INFO L277 CegarLoopForPetriNet]: 107 programPoint places, -5 predicate places. [2024-11-08 17:42:59,997 INFO L471 AbstractCegarLoop]: Abstraction has has 102 places, 95 transitions, 224 flow [2024-11-08 17:42:59,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 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) [2024-11-08 17:42:59,999 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:42:59,999 INFO L204 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] [2024-11-08 17:43:00,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:43:00,002 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-08 17:43:00,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:43:00,005 INFO L85 PathProgramCache]: Analyzing trace with hash -288114033, now seen corresponding path program 1 times [2024-11-08 17:43:00,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:43:00,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884251830] [2024-11-08 17:43:00,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:43:00,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:43:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:43:00,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:43:00,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:43:00,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884251830] [2024-11-08 17:43:00,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884251830] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:43:00,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:43:00,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:43:00,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349885917] [2024-11-08 17:43:00,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:43:00,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:43:00,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:43:00,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:43:00,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:43:00,317 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 115 [2024-11-08 17:43:00,318 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 95 transitions, 224 flow. Second operand has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 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) [2024-11-08 17:43:00,319 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:43:00,319 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 115 [2024-11-08 17:43:00,319 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:43:00,480 INFO L124 PetriNetUnfolderBase]: 56/403 cut-off events. [2024-11-08 17:43:00,480 INFO L125 PetriNetUnfolderBase]: For 68/69 co-relation queries the response was YES. [2024-11-08 17:43:00,485 INFO L83 FinitePrefix]: Finished finitePrefix Result has 624 conditions, 403 events. 56/403 cut-off events. For 68/69 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2027 event pairs, 36 based on Foata normal form. 0/368 useless extension candidates. Maximal degree in co-relation 578. Up to 119 conditions per place. [2024-11-08 17:43:00,490 INFO L140 encePairwiseOnDemand]: 110/115 looper letters, 21 selfloop transitions, 4 changer transitions 0/100 dead transitions. [2024-11-08 17:43:00,492 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 100 transitions, 288 flow [2024-11-08 17:43:00,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:43:00,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:43:00,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 285 transitions. [2024-11-08 17:43:00,497 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8260869565217391 [2024-11-08 17:43:00,497 INFO L175 Difference]: Start difference. First operand has 102 places, 95 transitions, 224 flow. Second operand 3 states and 285 transitions. [2024-11-08 17:43:00,497 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 100 transitions, 288 flow [2024-11-08 17:43:00,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 100 transitions, 274 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:43:00,504 INFO L231 Difference]: Finished difference. Result has 101 places, 98 transitions, 244 flow [2024-11-08 17:43:00,504 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=244, PETRI_PLACES=101, PETRI_TRANSITIONS=98} [2024-11-08 17:43:00,507 INFO L277 CegarLoopForPetriNet]: 107 programPoint places, -6 predicate places. [2024-11-08 17:43:00,507 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 98 transitions, 244 flow [2024-11-08 17:43:00,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 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) [2024-11-08 17:43:00,508 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:43:00,509 INFO L204 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] [2024-11-08 17:43:00,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:43:00,510 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-08 17:43:00,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:43:00,513 INFO L85 PathProgramCache]: Analyzing trace with hash -890630107, now seen corresponding path program 1 times [2024-11-08 17:43:00,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:43:00,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383167523] [2024-11-08 17:43:00,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:43:00,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:43:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:43:00,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:43:00,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:43:00,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383167523] [2024-11-08 17:43:00,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383167523] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:43:00,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:43:00,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:43:00,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987192789] [2024-11-08 17:43:00,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:43:00,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:43:00,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:43:00,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:43:00,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:43:00,854 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 115 [2024-11-08 17:43:00,855 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 98 transitions, 244 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) [2024-11-08 17:43:00,859 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:43:00,859 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 115 [2024-11-08 17:43:00,860 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:43:01,018 INFO L124 PetriNetUnfolderBase]: 13/252 cut-off events. [2024-11-08 17:43:01,019 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-11-08 17:43:01,021 INFO L83 FinitePrefix]: Finished finitePrefix Result has 342 conditions, 252 events. 13/252 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 913 event pairs, 2 based on Foata normal form. 3/238 useless extension candidates. Maximal degree in co-relation 296. Up to 32 conditions per place. [2024-11-08 17:43:01,023 INFO L140 encePairwiseOnDemand]: 109/115 looper letters, 7 selfloop transitions, 6 changer transitions 1/98 dead transitions. [2024-11-08 17:43:01,024 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 98 transitions, 258 flow [2024-11-08 17:43:01,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:43:01,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:43:01,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 301 transitions. [2024-11-08 17:43:01,029 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8724637681159421 [2024-11-08 17:43:01,032 INFO L175 Difference]: Start difference. First operand has 101 places, 98 transitions, 244 flow. Second operand 3 states and 301 transitions. [2024-11-08 17:43:01,033 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 98 transitions, 258 flow [2024-11-08 17:43:01,035 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 98 transitions, 246 flow, removed 2 selfloop flow, removed 4 redundant places. [2024-11-08 17:43:01,039 INFO L231 Difference]: Finished difference. Result has 99 places, 96 transitions, 236 flow [2024-11-08 17:43:01,040 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=236, PETRI_PLACES=99, PETRI_TRANSITIONS=96} [2024-11-08 17:43:01,044 INFO L277 CegarLoopForPetriNet]: 107 programPoint places, -8 predicate places. [2024-11-08 17:43:01,044 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 96 transitions, 236 flow [2024-11-08 17:43:01,045 INFO L472 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) [2024-11-08 17:43:01,045 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:43:01,045 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:43:01,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 17:43:01,046 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-08 17:43:01,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:43:01,048 INFO L85 PathProgramCache]: Analyzing trace with hash -129981976, now seen corresponding path program 1 times [2024-11-08 17:43:01,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:43:01,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314229486] [2024-11-08 17:43:01,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:43:01,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:43:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:43:01,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:43:01,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:43:01,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314229486] [2024-11-08 17:43:01,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314229486] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:43:01,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:43:01,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:43:01,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966628490] [2024-11-08 17:43:01,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:43:01,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:43:01,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:43:01,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:43:01,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:43:01,240 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 115 [2024-11-08 17:43:01,241 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 96 transitions, 236 flow. Second operand has 3 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 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) [2024-11-08 17:43:01,241 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:43:01,241 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 115 [2024-11-08 17:43:01,242 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:43:01,350 INFO L124 PetriNetUnfolderBase]: 32/333 cut-off events. [2024-11-08 17:43:01,350 INFO L125 PetriNetUnfolderBase]: For 76/81 co-relation queries the response was YES. [2024-11-08 17:43:01,353 INFO L83 FinitePrefix]: Finished finitePrefix Result has 557 conditions, 333 events. 32/333 cut-off events. For 76/81 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1432 event pairs, 14 based on Foata normal form. 0/311 useless extension candidates. Maximal degree in co-relation 511. Up to 86 conditions per place. [2024-11-08 17:43:01,354 INFO L140 encePairwiseOnDemand]: 110/115 looper letters, 19 selfloop transitions, 3 changer transitions 9/101 dead transitions. [2024-11-08 17:43:01,354 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 101 transitions, 308 flow [2024-11-08 17:43:01,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:43:01,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:43:01,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 285 transitions. [2024-11-08 17:43:01,358 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8260869565217391 [2024-11-08 17:43:01,359 INFO L175 Difference]: Start difference. First operand has 99 places, 96 transitions, 236 flow. Second operand 3 states and 285 transitions. [2024-11-08 17:43:01,359 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 101 transitions, 308 flow [2024-11-08 17:43:01,363 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 101 transitions, 300 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 17:43:01,366 INFO L231 Difference]: Finished difference. Result has 102 places, 91 transitions, 234 flow [2024-11-08 17:43:01,367 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=234, PETRI_PLACES=102, PETRI_TRANSITIONS=91} [2024-11-08 17:43:01,368 INFO L277 CegarLoopForPetriNet]: 107 programPoint places, -5 predicate places. [2024-11-08 17:43:01,368 INFO L471 AbstractCegarLoop]: Abstraction has has 102 places, 91 transitions, 234 flow [2024-11-08 17:43:01,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 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) [2024-11-08 17:43:01,369 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:43:01,369 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:43:01,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 17:43:01,369 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-08 17:43:01,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:43:01,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1189693402, now seen corresponding path program 1 times [2024-11-08 17:43:01,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:43:01,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741397606] [2024-11-08 17:43:01,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:43:01,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:43:01,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:43:01,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:43:01,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:43:01,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741397606] [2024-11-08 17:43:01,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741397606] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:43:01,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:43:01,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 17:43:01,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477828209] [2024-11-08 17:43:01,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:43:01,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:43:01,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:43:01,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:43:01,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:43:02,060 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 115 [2024-11-08 17:43:02,062 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 91 transitions, 234 flow. Second operand has 6 states, 6 states have (on average 95.33333333333333) internal successors, (572), 6 states have internal predecessors, (572), 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) [2024-11-08 17:43:02,062 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:43:02,062 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 115 [2024-11-08 17:43:02,062 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:43:02,157 INFO L124 PetriNetUnfolderBase]: 0/106 cut-off events. [2024-11-08 17:43:02,158 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-11-08 17:43:02,158 INFO L83 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 106 events. 0/106 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 67 event pairs, 0 based on Foata normal form. 2/107 useless extension candidates. Maximal degree in co-relation 0. Up to 9 conditions per place. [2024-11-08 17:43:02,158 INFO L140 encePairwiseOnDemand]: 110/115 looper letters, 0 selfloop transitions, 0 changer transitions 80/80 dead transitions. [2024-11-08 17:43:02,159 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 80 transitions, 210 flow [2024-11-08 17:43:02,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:43:02,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-08 17:43:02,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 480 transitions. [2024-11-08 17:43:02,161 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8347826086956521 [2024-11-08 17:43:02,161 INFO L175 Difference]: Start difference. First operand has 102 places, 91 transitions, 234 flow. Second operand 5 states and 480 transitions. [2024-11-08 17:43:02,162 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 80 transitions, 210 flow [2024-11-08 17:43:02,163 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 80 transitions, 184 flow, removed 3 selfloop flow, removed 7 redundant places. [2024-11-08 17:43:02,164 INFO L231 Difference]: Finished difference. Result has 88 places, 0 transitions, 0 flow [2024-11-08 17:43:02,165 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=88, PETRI_TRANSITIONS=0} [2024-11-08 17:43:02,167 INFO L277 CegarLoopForPetriNet]: 107 programPoint places, -19 predicate places. [2024-11-08 17:43:02,168 INFO L471 AbstractCegarLoop]: Abstraction has has 88 places, 0 transitions, 0 flow [2024-11-08 17:43:02,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 95.33333333333333) internal successors, (572), 6 states have internal predecessors, (572), 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) [2024-11-08 17:43:02,172 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2024-11-08 17:43:02,175 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2024-11-08 17:43:02,175 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 9 remaining) [2024-11-08 17:43:02,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2024-11-08 17:43:02,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 9 remaining) [2024-11-08 17:43:02,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2024-11-08 17:43:02,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2024-11-08 17:43:02,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2024-11-08 17:43:02,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2024-11-08 17:43:02,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 17:43:02,179 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-08 17:43:02,188 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-08 17:43:02,188 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:43:02,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:43:02 BasicIcfg [2024-11-08 17:43:02,200 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:43:02,203 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:43:02,204 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:43:02,204 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:43:02,204 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:42:58" (3/4) ... [2024-11-08 17:43:02,207 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 17:43:02,213 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-08 17:43:02,220 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-08 17:43:02,220 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 17:43:02,221 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-08 17:43:02,225 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 17:43:02,357 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c618dfd-afc0-4208-8f1b-faa5c6e36b0a/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 17:43:02,361 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c618dfd-afc0-4208-8f1b-faa5c6e36b0a/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 17:43:02,361 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:43:02,362 INFO L158 Benchmark]: Toolchain (without parser) took 5127.07ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 104.8MB in the beginning and 143.9MB in the end (delta: -39.1MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2024-11-08 17:43:02,362 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 138.4MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:43:02,363 INFO L158 Benchmark]: CACSL2BoogieTranslator took 796.27ms. Allocated memory is still 138.4MB. Free memory was 104.8MB in the beginning and 82.3MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-08 17:43:02,363 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.45ms. Allocated memory is still 138.4MB. Free memory was 82.3MB in the beginning and 80.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:43:02,364 INFO L158 Benchmark]: Boogie Preprocessor took 55.84ms. Allocated memory is still 138.4MB. Free memory was 80.2MB in the beginning and 78.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:43:02,365 INFO L158 Benchmark]: RCFGBuilder took 598.60ms. Allocated memory is still 138.4MB. Free memory was 78.6MB in the beginning and 62.3MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 17:43:02,366 INFO L158 Benchmark]: TraceAbstraction took 3429.09ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 61.7MB in the beginning and 149.1MB in the end (delta: -87.4MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. [2024-11-08 17:43:02,367 INFO L158 Benchmark]: Witness Printer took 157.65ms. Allocated memory is still 186.6MB. Free memory was 148.1MB in the beginning and 143.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:43:02,370 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 138.4MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 796.27ms. Allocated memory is still 138.4MB. Free memory was 104.8MB in the beginning and 82.3MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.45ms. Allocated memory is still 138.4MB. Free memory was 82.3MB in the beginning and 80.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.84ms. Allocated memory is still 138.4MB. Free memory was 80.2MB in the beginning and 78.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 598.60ms. Allocated memory is still 138.4MB. Free memory was 78.6MB in the beginning and 62.3MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3429.09ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 61.7MB in the beginning and 149.1MB in the end (delta: -87.4MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. * Witness Printer took 157.65ms. Allocated memory is still 186.6MB. Free memory was 148.1MB in the beginning and 143.9MB 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: 698]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 701]: 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: 690]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: 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, 153 locations, 9 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 170 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 80 mSDsluCounter, 31 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 267 IncrementalHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 25 mSDtfsCounter, 267 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=244occurred in iteration=2, 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, 1.1s InterpolantComputationTime, 250 NumberOfCodeBlocks, 250 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 245 ConstructedInterpolants, 0 QuantifiedInterpolants, 560 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-08 17:43:02,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c618dfd-afc0-4208-8f1b-faa5c6e36b0a/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE