./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_01-priv_nr_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e7bb482b 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_6b25f2ac-8b72-4996-8ac1-c01176ab34ec/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b25f2ac-8b72-4996-8ac1-c01176ab34ec/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b25f2ac-8b72-4996-8ac1-c01176ab34ec/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b25f2ac-8b72-4996-8ac1-c01176ab34ec/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_01-priv_nr_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b25f2ac-8b72-4996-8ac1-c01176ab34ec/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b25f2ac-8b72-4996-8ac1-c01176ab34ec/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2f12d466eb2f537fd698a609dad75de92993414755aa8aadb35a91de87d65611 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:16:02,988 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:16:03,128 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b25f2ac-8b72-4996-8ac1-c01176ab34ec/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 22:16:03,139 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:16:03,140 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:16:03,191 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:16:03,193 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:16:03,194 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:16:03,195 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:16:03,203 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:16:03,204 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:16:03,204 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:16:03,205 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:16:03,207 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:16:03,208 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:16:03,208 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:16:03,209 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:16:03,209 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:16:03,210 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:16:03,210 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:16:03,210 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:16:03,211 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:16:03,212 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 22:16:03,212 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:16:03,212 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:16:03,213 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:16:03,213 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:16:03,215 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:16:03,215 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:16:03,215 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:16:03,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:16:03,217 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:16:03,218 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:16:03,218 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:16:03,218 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:16:03,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:16:03,219 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:16:03,219 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:16:03,219 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:16:03,220 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:16:03,220 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:16:03,220 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_6b25f2ac-8b72-4996-8ac1-c01176ab34ec/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b25f2ac-8b72-4996-8ac1-c01176ab34ec/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f12d466eb2f537fd698a609dad75de92993414755aa8aadb35a91de87d65611 [2023-11-06 22:16:03,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:16:03,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:16:03,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:16:03,526 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:16:03,527 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:16:03,528 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b25f2ac-8b72-4996-8ac1-c01176ab34ec/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/goblint-regression/13-privatized_01-priv_nr_true.i [2023-11-06 22:16:07,011 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:16:07,341 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:16:07,341 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b25f2ac-8b72-4996-8ac1-c01176ab34ec/sv-benchmarks/c/goblint-regression/13-privatized_01-priv_nr_true.i [2023-11-06 22:16:07,365 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b25f2ac-8b72-4996-8ac1-c01176ab34ec/bin/uautomizer-verify-WvqO1wxjHP/data/41970716a/86283185fefd4f3e8ebced1046976836/FLAG89540b2f7 [2023-11-06 22:16:07,385 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b25f2ac-8b72-4996-8ac1-c01176ab34ec/bin/uautomizer-verify-WvqO1wxjHP/data/41970716a/86283185fefd4f3e8ebced1046976836 [2023-11-06 22:16:07,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:16:07,390 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:16:07,392 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:16:07,392 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:16:07,399 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:16:07,400 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:16:07" (1/1) ... [2023-11-06 22:16:07,401 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2507f1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:07, skipping insertion in model container [2023-11-06 22:16:07,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:16:07" (1/1) ... [2023-11-06 22:16:07,454 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:16:07,822 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:16:07,837 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:16:07,883 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:16:07,931 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:16:07,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:07 WrapperNode [2023-11-06 22:16:07,932 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:16:07,933 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:16:07,934 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:16:07,934 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:16:07,942 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:07" (1/1) ... [2023-11-06 22:16:07,960 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:07" (1/1) ... [2023-11-06 22:16:07,991 INFO L138 Inliner]: procedures = 162, calls = 25, calls flagged for inlining = 7, calls inlined = 10, statements flattened = 128 [2023-11-06 22:16:07,992 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:16:07,992 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:16:07,993 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:16:07,993 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:16:08,004 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:07" (1/1) ... [2023-11-06 22:16:08,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:07" (1/1) ... [2023-11-06 22:16:08,009 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:07" (1/1) ... [2023-11-06 22:16:08,010 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:07" (1/1) ... [2023-11-06 22:16:08,020 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:07" (1/1) ... [2023-11-06 22:16:08,023 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:07" (1/1) ... [2023-11-06 22:16:08,025 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:07" (1/1) ... [2023-11-06 22:16:08,027 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:07" (1/1) ... [2023-11-06 22:16:08,031 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:16:08,032 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:16:08,032 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:16:08,033 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:16:08,034 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:07" (1/1) ... [2023-11-06 22:16:08,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:16:08,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b25f2ac-8b72-4996-8ac1-c01176ab34ec/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:16:08,075 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b25f2ac-8b72-4996-8ac1-c01176ab34ec/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:16:08,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b25f2ac-8b72-4996-8ac1-c01176ab34ec/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:16:08,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:16:08,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:16:08,135 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-06 22:16:08,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:16:08,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:16:08,136 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-06 22:16:08,137 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-06 22:16:08,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:16:08,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:16:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:16:08,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:16:08,141 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 22:16:08,310 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:16:08,313 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:16:08,630 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:16:08,642 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:16:08,642 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:16:08,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:16:08 BoogieIcfgContainer [2023-11-06 22:16:08,645 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:16:08,648 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:16:08,648 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:16:08,652 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:16:08,652 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:16:07" (1/3) ... [2023-11-06 22:16:08,653 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7179d35e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:16:08, skipping insertion in model container [2023-11-06 22:16:08,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:07" (2/3) ... [2023-11-06 22:16:08,654 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7179d35e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:16:08, skipping insertion in model container [2023-11-06 22:16:08,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:16:08" (3/3) ... [2023-11-06 22:16:08,655 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_01-priv_nr_true.i [2023-11-06 22:16:08,669 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 22:16:08,680 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:16:08,681 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2023-11-06 22:16:08,681 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:16:08,785 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-06 22:16:08,838 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 158 places, 162 transitions, 331 flow [2023-11-06 22:16:08,969 INFO L124 PetriNetUnfolderBase]: 8/161 cut-off events. [2023-11-06 22:16:08,969 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-06 22:16:08,981 INFO L83 FinitePrefix]: Finished finitePrefix Result has 166 conditions, 161 events. 8/161 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 202 event pairs, 0 based on Foata normal form. 0/142 useless extension candidates. Maximal degree in co-relation 105. Up to 2 conditions per place. [2023-11-06 22:16:08,982 INFO L82 GeneralOperation]: Start removeDead. Operand has 158 places, 162 transitions, 331 flow [2023-11-06 22:16:08,990 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 149 places, 153 transitions, 309 flow [2023-11-06 22:16:08,995 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:16:09,007 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 149 places, 153 transitions, 309 flow [2023-11-06 22:16:09,018 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 149 places, 153 transitions, 309 flow [2023-11-06 22:16:09,026 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 149 places, 153 transitions, 309 flow [2023-11-06 22:16:09,130 INFO L124 PetriNetUnfolderBase]: 8/153 cut-off events. [2023-11-06 22:16:09,131 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:16:09,136 INFO L83 FinitePrefix]: Finished finitePrefix Result has 157 conditions, 153 events. 8/153 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 202 event pairs, 0 based on Foata normal form. 0/134 useless extension candidates. Maximal degree in co-relation 105. Up to 2 conditions per place. [2023-11-06 22:16:09,145 INFO L119 LiptonReduction]: Number of co-enabled transitions 5508 [2023-11-06 22:16:13,528 INFO L134 LiptonReduction]: Checked pairs total: 21777 [2023-11-06 22:16:13,529 INFO L136 LiptonReduction]: Total number of compositions: 143 [2023-11-06 22:16:13,549 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:16:13,558 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5ad3eed4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:16:13,558 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2023-11-06 22:16:13,560 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 22:16:13,560 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-06 22:16:13,560 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:16:13,561 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:16:13,562 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-06 22:16:13,562 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2023-11-06 22:16:13,569 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:16:13,570 INFO L85 PathProgramCache]: Analyzing trace with hash 588, now seen corresponding path program 1 times [2023-11-06 22:16:13,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:16:13,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650807553] [2023-11-06 22:16:13,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:16:13,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:16:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:13,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:16:13,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:16:13,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650807553] [2023-11-06 22:16:13,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650807553] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:16:13,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:16:13,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-06 22:16:13,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302310868] [2023-11-06 22:16:13,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:16:13,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:16:13,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:16:13,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:16:13,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:16:13,797 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 305 [2023-11-06 22:16:13,801 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 54 transitions, 111 flow. Second operand has 2 states, 2 states have (on average 148.5) internal successors, (297), 2 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) [2023-11-06 22:16:13,802 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:16:13,802 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 305 [2023-11-06 22:16:13,803 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:16:13,967 INFO L124 PetriNetUnfolderBase]: 90/316 cut-off events. [2023-11-06 22:16:13,967 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:16:13,969 INFO L83 FinitePrefix]: Finished finitePrefix Result has 522 conditions, 316 events. 90/316 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1601 event pairs, 90 based on Foata normal form. 43/299 useless extension candidates. Maximal degree in co-relation 513. Up to 202 conditions per place. [2023-11-06 22:16:13,973 INFO L140 encePairwiseOnDemand]: 298/305 looper letters, 21 selfloop transitions, 0 changer transitions 0/44 dead transitions. [2023-11-06 22:16:13,973 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 44 transitions, 133 flow [2023-11-06 22:16:13,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:16:13,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-06 22:16:13,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 324 transitions. [2023-11-06 22:16:14,006 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5311475409836065 [2023-11-06 22:16:14,009 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 324 transitions. [2023-11-06 22:16:14,010 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 324 transitions. [2023-11-06 22:16:14,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:16:14,018 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 324 transitions. [2023-11-06 22:16:14,028 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 162.0) internal successors, (324), 2 states have internal predecessors, (324), 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) [2023-11-06 22:16:14,036 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 305.0) internal successors, (915), 3 states have internal predecessors, (915), 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) [2023-11-06 22:16:14,038 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 305.0) internal successors, (915), 3 states have internal predecessors, (915), 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) [2023-11-06 22:16:14,041 INFO L175 Difference]: Start difference. First operand has 53 places, 54 transitions, 111 flow. Second operand 2 states and 324 transitions. [2023-11-06 22:16:14,042 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 44 transitions, 133 flow [2023-11-06 22:16:14,045 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 44 transitions, 132 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:16:14,048 INFO L231 Difference]: Finished difference. Result has 48 places, 44 transitions, 90 flow [2023-11-06 22:16:14,051 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=90, PETRI_PLACES=48, PETRI_TRANSITIONS=44} [2023-11-06 22:16:14,058 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, -5 predicate places. [2023-11-06 22:16:14,059 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 44 transitions, 90 flow [2023-11-06 22:16:14,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 148.5) internal successors, (297), 2 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) [2023-11-06 22:16:14,060 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:16:14,061 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-06 22:16:14,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:16:14,062 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2023-11-06 22:16:14,064 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:16:14,064 INFO L85 PathProgramCache]: Analyzing trace with hash 557744336, now seen corresponding path program 1 times [2023-11-06 22:16:14,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:16:14,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808664644] [2023-11-06 22:16:14,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:16:14,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:16:14,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:14,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:16:14,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:16:14,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808664644] [2023-11-06 22:16:14,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808664644] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:16:14,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:16:14,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:16:14,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606723694] [2023-11-06 22:16:14,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:16:14,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:16:14,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:16:14,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:16:14,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:16:14,337 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 305 [2023-11-06 22:16:14,338 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 44 transitions, 90 flow. Second operand has 3 states, 3 states have (on average 127.66666666666667) internal successors, (383), 3 states have internal predecessors, (383), 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) [2023-11-06 22:16:14,338 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:16:14,338 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 305 [2023-11-06 22:16:14,339 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:16:14,572 INFO L124 PetriNetUnfolderBase]: 307/792 cut-off events. [2023-11-06 22:16:14,573 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:16:14,576 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1496 conditions, 792 events. 307/792 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 4299 event pairs, 140 based on Foata normal form. 0/708 useless extension candidates. Maximal degree in co-relation 1493. Up to 449 conditions per place. [2023-11-06 22:16:14,582 INFO L140 encePairwiseOnDemand]: 285/305 looper letters, 52 selfloop transitions, 15 changer transitions 0/74 dead transitions. [2023-11-06 22:16:14,582 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 74 transitions, 284 flow [2023-11-06 22:16:14,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:16:14,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:16:14,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 450 transitions. [2023-11-06 22:16:14,586 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4918032786885246 [2023-11-06 22:16:14,586 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 450 transitions. [2023-11-06 22:16:14,587 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 450 transitions. [2023-11-06 22:16:14,587 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:16:14,587 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 450 transitions. [2023-11-06 22:16:14,590 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 150.0) internal successors, (450), 3 states have internal predecessors, (450), 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) [2023-11-06 22:16:14,594 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 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) [2023-11-06 22:16:14,595 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 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) [2023-11-06 22:16:14,596 INFO L175 Difference]: Start difference. First operand has 48 places, 44 transitions, 90 flow. Second operand 3 states and 450 transitions. [2023-11-06 22:16:14,596 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 74 transitions, 284 flow [2023-11-06 22:16:14,597 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 74 transitions, 284 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:16:14,600 INFO L231 Difference]: Finished difference. Result has 52 places, 58 transitions, 216 flow [2023-11-06 22:16:14,600 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=216, PETRI_PLACES=52, PETRI_TRANSITIONS=58} [2023-11-06 22:16:14,601 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, -1 predicate places. [2023-11-06 22:16:14,601 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 58 transitions, 216 flow [2023-11-06 22:16:14,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.66666666666667) internal successors, (383), 3 states have internal predecessors, (383), 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) [2023-11-06 22:16:14,602 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:16:14,602 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:16:14,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:16:14,603 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2023-11-06 22:16:14,604 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:16:14,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1786043605, now seen corresponding path program 1 times [2023-11-06 22:16:14,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:16:14,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331296688] [2023-11-06 22:16:14,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:16:14,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:16:14,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:14,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:16:14,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:16:14,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331296688] [2023-11-06 22:16:14,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331296688] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:16:14,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:16:14,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:16:14,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149895790] [2023-11-06 22:16:14,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:16:14,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:16:14,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:16:14,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:16:14,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:16:14,761 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 305 [2023-11-06 22:16:14,762 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 58 transitions, 216 flow. Second operand has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 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) [2023-11-06 22:16:14,762 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:16:14,763 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 305 [2023-11-06 22:16:14,763 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:16:14,929 INFO L124 PetriNetUnfolderBase]: 276/752 cut-off events. [2023-11-06 22:16:14,929 INFO L125 PetriNetUnfolderBase]: For 251/261 co-relation queries the response was YES. [2023-11-06 22:16:14,931 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1776 conditions, 752 events. 276/752 cut-off events. For 251/261 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 4220 event pairs, 176 based on Foata normal form. 6/672 useless extension candidates. Maximal degree in co-relation 1771. Up to 551 conditions per place. [2023-11-06 22:16:14,937 INFO L140 encePairwiseOnDemand]: 297/305 looper letters, 43 selfloop transitions, 11 changer transitions 0/75 dead transitions. [2023-11-06 22:16:14,937 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 75 transitions, 384 flow [2023-11-06 22:16:14,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:16:14,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:16:14,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 445 transitions. [2023-11-06 22:16:14,940 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48633879781420764 [2023-11-06 22:16:14,940 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 445 transitions. [2023-11-06 22:16:14,940 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 445 transitions. [2023-11-06 22:16:14,941 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:16:14,941 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 445 transitions. [2023-11-06 22:16:14,943 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 148.33333333333334) internal successors, (445), 3 states have internal predecessors, (445), 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) [2023-11-06 22:16:14,946 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 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) [2023-11-06 22:16:14,947 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 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) [2023-11-06 22:16:14,948 INFO L175 Difference]: Start difference. First operand has 52 places, 58 transitions, 216 flow. Second operand 3 states and 445 transitions. [2023-11-06 22:16:14,948 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 75 transitions, 384 flow [2023-11-06 22:16:14,953 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 75 transitions, 344 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-06 22:16:14,955 INFO L231 Difference]: Finished difference. Result has 53 places, 67 transitions, 273 flow [2023-11-06 22:16:14,955 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=273, PETRI_PLACES=53, PETRI_TRANSITIONS=67} [2023-11-06 22:16:14,956 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, 0 predicate places. [2023-11-06 22:16:14,956 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 67 transitions, 273 flow [2023-11-06 22:16:14,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 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) [2023-11-06 22:16:14,957 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:16:14,957 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:16:14,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:16:14,958 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2023-11-06 22:16:14,958 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:16:14,959 INFO L85 PathProgramCache]: Analyzing trace with hash -78540833, now seen corresponding path program 1 times [2023-11-06 22:16:14,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:16:14,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961523914] [2023-11-06 22:16:14,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:16:14,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:16:14,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:15,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:16:15,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:16:15,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961523914] [2023-11-06 22:16:15,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961523914] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:16:15,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:16:15,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:16:15,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678750123] [2023-11-06 22:16:15,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:16:15,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:16:15,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:16:15,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:16:15,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:16:15,068 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 305 [2023-11-06 22:16:15,069 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 67 transitions, 273 flow. Second operand has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 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) [2023-11-06 22:16:15,069 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:16:15,069 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 305 [2023-11-06 22:16:15,069 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:16:15,251 INFO L124 PetriNetUnfolderBase]: 302/794 cut-off events. [2023-11-06 22:16:15,252 INFO L125 PetriNetUnfolderBase]: For 300/319 co-relation queries the response was YES. [2023-11-06 22:16:15,254 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1943 conditions, 794 events. 302/794 cut-off events. For 300/319 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 4504 event pairs, 171 based on Foata normal form. 1/691 useless extension candidates. Maximal degree in co-relation 1937. Up to 549 conditions per place. [2023-11-06 22:16:15,260 INFO L140 encePairwiseOnDemand]: 297/305 looper letters, 51 selfloop transitions, 14 changer transitions 0/86 dead transitions. [2023-11-06 22:16:15,260 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 86 transitions, 475 flow [2023-11-06 22:16:15,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:16:15,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:16:15,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 439 transitions. [2023-11-06 22:16:15,264 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47978142076502733 [2023-11-06 22:16:15,264 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 439 transitions. [2023-11-06 22:16:15,264 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 439 transitions. [2023-11-06 22:16:15,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:16:15,265 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 439 transitions. [2023-11-06 22:16:15,267 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 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) [2023-11-06 22:16:15,270 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 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) [2023-11-06 22:16:15,272 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 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) [2023-11-06 22:16:15,272 INFO L175 Difference]: Start difference. First operand has 53 places, 67 transitions, 273 flow. Second operand 3 states and 439 transitions. [2023-11-06 22:16:15,272 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 86 transitions, 475 flow [2023-11-06 22:16:15,276 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 86 transitions, 460 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:16:15,278 INFO L231 Difference]: Finished difference. Result has 56 places, 77 transitions, 386 flow [2023-11-06 22:16:15,279 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=386, PETRI_PLACES=56, PETRI_TRANSITIONS=77} [2023-11-06 22:16:15,280 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, 3 predicate places. [2023-11-06 22:16:15,280 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 77 transitions, 386 flow [2023-11-06 22:16:15,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 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) [2023-11-06 22:16:15,281 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:16:15,281 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:16:15,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:16:15,282 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2023-11-06 22:16:15,282 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:16:15,283 INFO L85 PathProgramCache]: Analyzing trace with hash -131883473, now seen corresponding path program 1 times [2023-11-06 22:16:15,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:16:15,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996224158] [2023-11-06 22:16:15,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:16:15,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:16:15,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:15,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:16:15,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:16:15,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996224158] [2023-11-06 22:16:15,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996224158] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:16:15,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:16:15,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:16:15,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41111211] [2023-11-06 22:16:15,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:16:15,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:16:15,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:16:15,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:16:15,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:16:15,486 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 305 [2023-11-06 22:16:15,487 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 77 transitions, 386 flow. Second operand has 3 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 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) [2023-11-06 22:16:15,488 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:16:15,488 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 305 [2023-11-06 22:16:15,488 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:16:15,557 INFO L124 PetriNetUnfolderBase]: 1/72 cut-off events. [2023-11-06 22:16:15,557 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2023-11-06 22:16:15,558 INFO L83 FinitePrefix]: Finished finitePrefix Result has 180 conditions, 72 events. 1/72 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 91 event pairs, 0 based on Foata normal form. 17/83 useless extension candidates. Maximal degree in co-relation 173. Up to 34 conditions per place. [2023-11-06 22:16:15,558 INFO L140 encePairwiseOnDemand]: 301/305 looper letters, 15 selfloop transitions, 4 changer transitions 2/39 dead transitions. [2023-11-06 22:16:15,559 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 39 transitions, 188 flow [2023-11-06 22:16:15,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:16:15,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:16:15,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 452 transitions. [2023-11-06 22:16:15,562 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49398907103825135 [2023-11-06 22:16:15,562 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 452 transitions. [2023-11-06 22:16:15,562 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 452 transitions. [2023-11-06 22:16:15,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:16:15,563 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 452 transitions. [2023-11-06 22:16:15,566 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 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) [2023-11-06 22:16:15,569 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 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) [2023-11-06 22:16:15,571 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 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) [2023-11-06 22:16:15,571 INFO L175 Difference]: Start difference. First operand has 56 places, 77 transitions, 386 flow. Second operand 3 states and 452 transitions. [2023-11-06 22:16:15,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 39 transitions, 188 flow [2023-11-06 22:16:15,575 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 39 transitions, 144 flow, removed 16 selfloop flow, removed 6 redundant places. [2023-11-06 22:16:15,576 INFO L231 Difference]: Finished difference. Result has 45 places, 37 transitions, 106 flow [2023-11-06 22:16:15,576 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=106, PETRI_PLACES=45, PETRI_TRANSITIONS=37} [2023-11-06 22:16:15,581 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, -8 predicate places. [2023-11-06 22:16:15,581 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 37 transitions, 106 flow [2023-11-06 22:16:15,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 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) [2023-11-06 22:16:15,582 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:16:15,582 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:16:15,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:16:15,583 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2023-11-06 22:16:15,583 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:16:15,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1995719399, now seen corresponding path program 1 times [2023-11-06 22:16:15,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:16:15,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308870086] [2023-11-06 22:16:15,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:16:15,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:16:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:15,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:16:15,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:16:15,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308870086] [2023-11-06 22:16:15,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308870086] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:16:15,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:16:15,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:16:15,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065784183] [2023-11-06 22:16:15,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:16:15,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:16:15,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:16:15,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:16:15,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:16:15,753 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 305 [2023-11-06 22:16:15,754 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 37 transitions, 106 flow. Second operand has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 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) [2023-11-06 22:16:15,754 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:16:15,755 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 305 [2023-11-06 22:16:15,755 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:16:15,811 INFO L124 PetriNetUnfolderBase]: 1/66 cut-off events. [2023-11-06 22:16:15,811 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:16:15,812 INFO L83 FinitePrefix]: Finished finitePrefix Result has 148 conditions, 66 events. 1/66 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 67 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 143. Up to 47 conditions per place. [2023-11-06 22:16:15,812 INFO L140 encePairwiseOnDemand]: 302/305 looper letters, 23 selfloop transitions, 2 changer transitions 3/36 dead transitions. [2023-11-06 22:16:15,812 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 36 transitions, 160 flow [2023-11-06 22:16:15,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:16:15,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:16:15,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 429 transitions. [2023-11-06 22:16:15,816 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46885245901639344 [2023-11-06 22:16:15,816 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 429 transitions. [2023-11-06 22:16:15,816 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 429 transitions. [2023-11-06 22:16:15,817 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:16:15,817 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 429 transitions. [2023-11-06 22:16:15,819 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 143.0) internal successors, (429), 3 states have internal predecessors, (429), 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) [2023-11-06 22:16:15,823 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 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) [2023-11-06 22:16:15,824 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 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) [2023-11-06 22:16:15,824 INFO L175 Difference]: Start difference. First operand has 45 places, 37 transitions, 106 flow. Second operand 3 states and 429 transitions. [2023-11-06 22:16:15,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 36 transitions, 160 flow [2023-11-06 22:16:15,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 36 transitions, 156 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:16:15,827 INFO L231 Difference]: Finished difference. Result has 43 places, 33 transitions, 95 flow [2023-11-06 22:16:15,827 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=95, PETRI_PLACES=43, PETRI_TRANSITIONS=33} [2023-11-06 22:16:15,828 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, -10 predicate places. [2023-11-06 22:16:15,828 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 33 transitions, 95 flow [2023-11-06 22:16:15,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 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) [2023-11-06 22:16:15,829 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:16:15,830 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:16:15,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:16:15,830 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2023-11-06 22:16:15,830 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:16:15,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1059231939, now seen corresponding path program 1 times [2023-11-06 22:16:15,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:16:15,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793186919] [2023-11-06 22:16:15,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:16:15,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:16:15,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:15,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:16:15,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:16:15,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793186919] [2023-11-06 22:16:15,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793186919] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:16:15,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:16:15,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:16:15,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379311417] [2023-11-06 22:16:15,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:16:15,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:16:15,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:16:15,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:16:15,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:16:15,980 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 305 [2023-11-06 22:16:15,981 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 33 transitions, 95 flow. Second operand has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 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) [2023-11-06 22:16:15,981 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:16:15,982 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 305 [2023-11-06 22:16:15,982 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:16:16,027 INFO L124 PetriNetUnfolderBase]: 0/46 cut-off events. [2023-11-06 22:16:16,027 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-06 22:16:16,027 INFO L83 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 46 events. 0/46 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 30 event pairs, 0 based on Foata normal form. 2/48 useless extension candidates. Maximal degree in co-relation 0. Up to 32 conditions per place. [2023-11-06 22:16:16,028 INFO L140 encePairwiseOnDemand]: 303/305 looper letters, 0 selfloop transitions, 0 changer transitions 32/32 dead transitions. [2023-11-06 22:16:16,028 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 32 transitions, 141 flow [2023-11-06 22:16:16,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:16:16,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:16:16,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 420 transitions. [2023-11-06 22:16:16,031 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45901639344262296 [2023-11-06 22:16:16,031 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 420 transitions. [2023-11-06 22:16:16,031 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 420 transitions. [2023-11-06 22:16:16,032 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:16:16,032 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 420 transitions. [2023-11-06 22:16:16,034 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 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) [2023-11-06 22:16:16,039 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 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) [2023-11-06 22:16:16,044 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 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) [2023-11-06 22:16:16,044 INFO L175 Difference]: Start difference. First operand has 43 places, 33 transitions, 95 flow. Second operand 3 states and 420 transitions. [2023-11-06 22:16:16,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 32 transitions, 141 flow [2023-11-06 22:16:16,045 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 32 transitions, 135 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-11-06 22:16:16,046 INFO L231 Difference]: Finished difference. Result has 40 places, 0 transitions, 0 flow [2023-11-06 22:16:16,046 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=87, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=40, PETRI_TRANSITIONS=0} [2023-11-06 22:16:16,047 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, -13 predicate places. [2023-11-06 22:16:16,047 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 0 transitions, 0 flow [2023-11-06 22:16:16,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 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) [2023-11-06 22:16:16,053 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (15 of 16 remaining) [2023-11-06 22:16:16,054 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (14 of 16 remaining) [2023-11-06 22:16:16,054 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (13 of 16 remaining) [2023-11-06 22:16:16,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (12 of 16 remaining) [2023-11-06 22:16:16,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (11 of 16 remaining) [2023-11-06 22:16:16,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (10 of 16 remaining) [2023-11-06 22:16:16,056 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (9 of 16 remaining) [2023-11-06 22:16:16,056 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 16 remaining) [2023-11-06 22:16:16,056 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 16 remaining) [2023-11-06 22:16:16,056 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 16 remaining) [2023-11-06 22:16:16,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 16 remaining) [2023-11-06 22:16:16,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 16 remaining) [2023-11-06 22:16:16,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 16 remaining) [2023-11-06 22:16:16,058 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 16 remaining) [2023-11-06 22:16:16,058 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 16 remaining) [2023-11-06 22:16:16,059 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 16 remaining) [2023-11-06 22:16:16,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:16:16,060 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:16:16,068 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 22:16:16,068 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:16:16,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:16:16 BasicIcfg [2023-11-06 22:16:16,087 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:16:16,087 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:16:16,088 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:16:16,088 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:16:16,089 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:16:08" (3/4) ... [2023-11-06 22:16:16,091 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:16:16,097 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-06 22:16:16,107 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-06 22:16:16,108 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 22:16:16,108 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:16:16,109 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:16:16,211 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b25f2ac-8b72-4996-8ac1-c01176ab34ec/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:16:16,212 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b25f2ac-8b72-4996-8ac1-c01176ab34ec/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:16:16,212 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:16:16,213 INFO L158 Benchmark]: Toolchain (without parser) took 8822.73ms. Allocated memory was 159.4MB in the beginning and 203.4MB in the end (delta: 44.0MB). Free memory was 127.5MB in the beginning and 112.9MB in the end (delta: 14.7MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. [2023-11-06 22:16:16,213 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:16:16,214 INFO L158 Benchmark]: CACSL2BoogieTranslator took 540.77ms. Allocated memory is still 159.4MB. Free memory was 127.5MB in the beginning and 108.2MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 22:16:16,214 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.39ms. Allocated memory is still 159.4MB. Free memory was 108.2MB in the beginning and 106.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:16:16,214 INFO L158 Benchmark]: Boogie Preprocessor took 38.91ms. Allocated memory is still 159.4MB. Free memory was 106.1MB in the beginning and 104.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:16:16,215 INFO L158 Benchmark]: RCFGBuilder took 613.24ms. Allocated memory is still 159.4MB. Free memory was 104.6MB in the beginning and 87.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 22:16:16,215 INFO L158 Benchmark]: TraceAbstraction took 7438.68ms. Allocated memory was 159.4MB in the beginning and 203.4MB in the end (delta: 44.0MB). Free memory was 87.2MB in the beginning and 116.0MB in the end (delta: -28.8MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2023-11-06 22:16:16,216 INFO L158 Benchmark]: Witness Printer took 124.65ms. Allocated memory is still 203.4MB. Free memory was 116.0MB in the beginning and 112.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:16:16,218 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 540.77ms. Allocated memory is still 159.4MB. Free memory was 127.5MB in the beginning and 108.2MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.39ms. Allocated memory is still 159.4MB. Free memory was 108.2MB in the beginning and 106.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.91ms. Allocated memory is still 159.4MB. Free memory was 106.1MB in the beginning and 104.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 613.24ms. Allocated memory is still 159.4MB. Free memory was 104.6MB in the beginning and 87.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7438.68ms. Allocated memory was 159.4MB in the beginning and 203.4MB in the end (delta: 44.0MB). Free memory was 87.2MB in the beginning and 116.0MB in the end (delta: -28.8MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * Witness Printer took 124.65ms. Allocated memory is still 203.4MB. Free memory was 116.0MB in the beginning and 112.9MB in the end (delta: 3.1MB). 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: 4.5s, 149 PlacesBefore, 53 PlacesAfterwards, 153 TransitionsBefore, 54 TransitionsAfterwards, 5508 CoEnabledTransitionPairs, 7 FixpointIterations, 47 TrivialSequentialCompositions, 68 ConcurrentSequentialCompositions, 7 TrivialYvCompositions, 18 ConcurrentYvCompositions, 3 ChoiceCompositions, 143 TotalNumberOfCompositions, 21777 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6573, independent: 5959, independent conditional: 0, independent unconditional: 5959, dependent: 614, dependent conditional: 0, dependent unconditional: 614, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3059, independent: 2979, independent conditional: 0, independent unconditional: 2979, dependent: 80, dependent conditional: 0, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6573, independent: 2980, independent conditional: 0, independent unconditional: 2980, dependent: 534, dependent conditional: 0, dependent unconditional: 534, unknown: 3059, unknown conditional: 0, unknown unconditional: 3059] , Statistics on independence cache: Total cache size (in pairs): 246, Positive cache size: 199, Positive conditional cache size: 0, Positive unconditional cache size: 199, Negative cache size: 47, Negative conditional cache size: 0, Negative unconditional cache size: 47, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 700]: 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: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 704]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - 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, 207 locations, 16 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: 7.2s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 407 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 140 mSDsluCounter, 132 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 548 IncrementalHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 132 mSDtfsCounter, 548 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=386occurred in iteration=4, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 61 ConstructedInterpolants, 0 QuantifiedInterpolants, 77 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 11 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-06 22:16:16,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b25f2ac-8b72-4996-8ac1-c01176ab34ec/bin/uautomizer-verify-WvqO1wxjHP/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