./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cce905-11be-497a-8192-03c2475a00ab/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cce905-11be-497a-8192-03c2475a00ab/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cce905-11be-497a-8192-03c2475a00ab/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cce905-11be-497a-8192-03c2475a00ab/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cce905-11be-497a-8192-03c2475a00ab/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cce905-11be-497a-8192-03c2475a00ab/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b81cf2d80bc77dedaac253250be737ceaa09f6e691f026864fe6fd5cb48c2489 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:53:34,658 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:53:34,757 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cce905-11be-497a-8192-03c2475a00ab/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 15:53:34,763 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:53:34,765 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:53:34,804 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:53:34,805 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:53:34,806 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:53:34,806 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:53:34,806 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:53:34,807 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:53:34,808 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:53:34,808 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:53:34,808 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:53:34,808 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:53:34,809 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:53:34,809 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:53:34,809 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:53:34,811 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:53:34,811 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:53:34,811 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:53:34,811 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:53:34,811 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 15:53:34,811 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:53:34,811 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:53:34,812 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:53:34,812 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:53:34,812 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:53:34,812 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:53:34,812 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:53:34,812 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:53:34,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:53:34,812 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:53:34,812 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:53:34,812 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:53:34,813 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:53:34,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:53:34,813 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:53:34,813 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:53:34,813 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:53:34,813 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:53:34,813 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_a6cce905-11be-497a-8192-03c2475a00ab/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b81cf2d80bc77dedaac253250be737ceaa09f6e691f026864fe6fd5cb48c2489 [2024-11-13 15:53:35,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:53:35,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:53:35,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:53:35,169 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:53:35,169 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:53:35,170 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cce905-11be-497a-8192-03c2475a00ab/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c Unable to find full path for "g++" [2024-11-13 15:53:37,203 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:53:37,462 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:53:37,463 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cce905-11be-497a-8192-03c2475a00ab/sv-benchmarks/c/weaver/popl20-mult-4.wvr.c [2024-11-13 15:53:37,475 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cce905-11be-497a-8192-03c2475a00ab/bin/uautomizer-verify-qhAvR1uOyd/data/b9009fca4/b90e89c52975451c8e86b69ffa41b371/FLAG44becb15d [2024-11-13 15:53:37,501 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cce905-11be-497a-8192-03c2475a00ab/bin/uautomizer-verify-qhAvR1uOyd/data/b9009fca4/b90e89c52975451c8e86b69ffa41b371 [2024-11-13 15:53:37,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:53:37,506 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:53:37,508 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:53:37,509 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:53:37,513 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:53:37,514 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:53:37" (1/1) ... [2024-11-13 15:53:37,516 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f98bd63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:53:37, skipping insertion in model container [2024-11-13 15:53:37,518 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:53:37" (1/1) ... [2024-11-13 15:53:37,538 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:53:37,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:53:37,775 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:53:37,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:53:37,824 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:53:37,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:53:37 WrapperNode [2024-11-13 15:53:37,825 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:53:37,826 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:53:37,826 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:53:37,826 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:53:37,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:53:37" (1/1) ... [2024-11-13 15:53:37,841 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:53:37" (1/1) ... [2024-11-13 15:53:37,860 INFO L138 Inliner]: procedures = 22, calls = 23, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 134 [2024-11-13 15:53:37,860 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:53:37,861 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:53:37,861 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:53:37,861 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:53:37,868 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:53:37" (1/1) ... [2024-11-13 15:53:37,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:53:37" (1/1) ... [2024-11-13 15:53:37,873 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:53:37" (1/1) ... [2024-11-13 15:53:37,873 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:53:37" (1/1) ... [2024-11-13 15:53:37,878 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:53:37" (1/1) ... [2024-11-13 15:53:37,882 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:53:37" (1/1) ... [2024-11-13 15:53:37,883 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:53:37" (1/1) ... [2024-11-13 15:53:37,884 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:53:37" (1/1) ... [2024-11-13 15:53:37,886 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:53:37,887 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:53:37,887 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:53:37,887 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:53:37,888 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:53:37" (1/1) ... [2024-11-13 15:53:37,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:53:37,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cce905-11be-497a-8192-03c2475a00ab/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:53:37,930 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cce905-11be-497a-8192-03c2475a00ab/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:53:37,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cce905-11be-497a-8192-03c2475a00ab/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:53:37,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:53:37,961 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-13 15:53:37,961 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-13 15:53:37,962 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-13 15:53:37,962 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-13 15:53:37,962 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-13 15:53:37,962 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-13 15:53:37,962 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-13 15:53:37,962 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-13 15:53:37,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 15:53:37,962 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-13 15:53:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-13 15:53:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:53:37,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:53:37,964 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 15:53:38,091 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:53:38,095 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:53:38,563 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 15:53:38,563 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:53:38,733 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:53:38,735 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-13 15:53:38,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:53:38 BoogieIcfgContainer [2024-11-13 15:53:38,736 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:53:38,738 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:53:38,738 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:53:38,742 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:53:38,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:53:37" (1/3) ... [2024-11-13 15:53:38,742 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a6e51e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:53:38, skipping insertion in model container [2024-11-13 15:53:38,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:53:37" (2/3) ... [2024-11-13 15:53:38,743 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a6e51e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:53:38, skipping insertion in model container [2024-11-13 15:53:38,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:53:38" (3/3) ... [2024-11-13 15:53:38,745 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-mult-4.wvr.c [2024-11-13 15:53:38,760 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:53:38,762 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-mult-4.wvr.c that has 5 procedures, 158 locations, 1 initial locations, 4 loop locations, and 22 error locations. [2024-11-13 15:53:38,762 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 15:53:38,896 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-13 15:53:38,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 170 places, 167 transitions, 362 flow [2024-11-13 15:53:39,069 INFO L124 PetriNetUnfolderBase]: 10/163 cut-off events. [2024-11-13 15:53:39,072 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-13 15:53:39,083 INFO L83 FinitePrefix]: Finished finitePrefix Result has 180 conditions, 163 events. 10/163 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 234 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 124. Up to 2 conditions per place. [2024-11-13 15:53:39,088 INFO L82 GeneralOperation]: Start removeDead. Operand has 170 places, 167 transitions, 362 flow [2024-11-13 15:53:39,093 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 150 places, 146 transitions, 316 flow [2024-11-13 15:53:39,107 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:53:39,119 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6062c266, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:53:39,120 INFO L334 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2024-11-13 15:53:39,130 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 15:53:39,130 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2024-11-13 15:53:39,130 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 15:53:39,130 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:53:39,131 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:53:39,131 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-13 15:53:39,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:53:39,137 INFO L85 PathProgramCache]: Analyzing trace with hash -798391191, now seen corresponding path program 1 times [2024-11-13 15:53:39,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:53:39,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466053033] [2024-11-13 15:53:39,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:53:39,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:53:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:53:39,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:53:39,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:53:39,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466053033] [2024-11-13 15:53:39,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466053033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:53:39,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:53:39,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:53:39,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411481279] [2024-11-13 15:53:39,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:53:39,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:53:39,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:53:39,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:53:39,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:53:39,439 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 167 [2024-11-13 15:53:39,445 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 146 transitions, 316 flow. Second operand has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:53:39,445 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:53:39,445 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 167 [2024-11-13 15:53:39,447 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:53:39,947 INFO L124 PetriNetUnfolderBase]: 399/1355 cut-off events. [2024-11-13 15:53:39,948 INFO L125 PetriNetUnfolderBase]: For 158/158 co-relation queries the response was YES. [2024-11-13 15:53:39,963 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2041 conditions, 1355 events. 399/1355 cut-off events. For 158/158 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 9481 event pairs, 272 based on Foata normal form. 1/1180 useless extension candidates. Maximal degree in co-relation 1847. Up to 559 conditions per place. [2024-11-13 15:53:39,975 INFO L140 encePairwiseOnDemand]: 145/167 looper letters, 19 selfloop transitions, 2 changer transitions 1/126 dead transitions. [2024-11-13 15:53:39,976 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 126 transitions, 318 flow [2024-11-13 15:53:39,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:53:39,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:53:39,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 410 transitions. [2024-11-13 15:53:39,994 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8183632734530938 [2024-11-13 15:53:39,996 INFO L175 Difference]: Start difference. First operand has 150 places, 146 transitions, 316 flow. Second operand 3 states and 410 transitions. [2024-11-13 15:53:39,997 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 126 transitions, 318 flow [2024-11-13 15:53:40,006 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 126 transitions, 302 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-11-13 15:53:40,013 INFO L231 Difference]: Finished difference. Result has 129 places, 125 transitions, 262 flow [2024-11-13 15:53:40,016 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=260, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=262, PETRI_PLACES=129, PETRI_TRANSITIONS=125} [2024-11-13 15:53:40,022 INFO L277 CegarLoopForPetriNet]: 150 programPoint places, -21 predicate places. [2024-11-13 15:53:40,023 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 125 transitions, 262 flow [2024-11-13 15:53:40,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:53:40,024 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:53:40,024 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:53:40,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:53:40,025 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-13 15:53:40,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:53:40,025 INFO L85 PathProgramCache]: Analyzing trace with hash -774103111, now seen corresponding path program 1 times [2024-11-13 15:53:40,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:53:40,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534732989] [2024-11-13 15:53:40,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:53:40,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:53:40,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:53:40,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:53:40,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:53:40,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534732989] [2024-11-13 15:53:40,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534732989] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:53:40,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:53:40,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:53:40,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873593904] [2024-11-13 15:53:40,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:53:40,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:53:40,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:53:40,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:53:40,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:53:40,092 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 167 [2024-11-13 15:53:40,093 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 125 transitions, 262 flow. Second operand has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:53:40,093 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:53:40,093 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 167 [2024-11-13 15:53:40,094 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:53:40,208 INFO L124 PetriNetUnfolderBase]: 94/504 cut-off events. [2024-11-13 15:53:40,208 INFO L125 PetriNetUnfolderBase]: For 12/13 co-relation queries the response was YES. [2024-11-13 15:53:40,210 INFO L83 FinitePrefix]: Finished finitePrefix Result has 662 conditions, 504 events. 94/504 cut-off events. For 12/13 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2565 event pairs, 51 based on Foata normal form. 0/450 useless extension candidates. Maximal degree in co-relation 634. Up to 137 conditions per place. [2024-11-13 15:53:40,213 INFO L140 encePairwiseOnDemand]: 164/167 looper letters, 16 selfloop transitions, 2 changer transitions 0/124 dead transitions. [2024-11-13 15:53:40,213 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 124 transitions, 296 flow [2024-11-13 15:53:40,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:53:40,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:53:40,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 397 transitions. [2024-11-13 15:53:40,216 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7924151696606786 [2024-11-13 15:53:40,216 INFO L175 Difference]: Start difference. First operand has 129 places, 125 transitions, 262 flow. Second operand 3 states and 397 transitions. [2024-11-13 15:53:40,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 124 transitions, 296 flow [2024-11-13 15:53:40,217 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 124 transitions, 292 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:53:40,219 INFO L231 Difference]: Finished difference. Result has 127 places, 124 transitions, 260 flow [2024-11-13 15:53:40,219 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=256, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=260, PETRI_PLACES=127, PETRI_TRANSITIONS=124} [2024-11-13 15:53:40,220 INFO L277 CegarLoopForPetriNet]: 150 programPoint places, -23 predicate places. [2024-11-13 15:53:40,220 INFO L471 AbstractCegarLoop]: Abstraction has has 127 places, 124 transitions, 260 flow [2024-11-13 15:53:40,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:53:40,220 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:53:40,220 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:53:40,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:53:40,221 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-13 15:53:40,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:53:40,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1134914955, now seen corresponding path program 1 times [2024-11-13 15:53:40,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:53:40,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517155674] [2024-11-13 15:53:40,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:53:40,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:53:40,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:53:40,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:53:40,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:53:40,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517155674] [2024-11-13 15:53:40,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517155674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:53:40,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:53:40,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:53:40,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927348630] [2024-11-13 15:53:40,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:53:40,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:53:40,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:53:40,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:53:40,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:53:40,313 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 167 [2024-11-13 15:53:40,314 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 124 transitions, 260 flow. Second operand has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:53:40,315 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:53:40,315 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 167 [2024-11-13 15:53:40,315 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:53:40,460 INFO L124 PetriNetUnfolderBase]: 94/503 cut-off events. [2024-11-13 15:53:40,462 INFO L125 PetriNetUnfolderBase]: For 13/14 co-relation queries the response was YES. [2024-11-13 15:53:40,465 INFO L83 FinitePrefix]: Finished finitePrefix Result has 658 conditions, 503 events. 94/503 cut-off events. For 13/14 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2564 event pairs, 51 based on Foata normal form. 0/450 useless extension candidates. Maximal degree in co-relation 623. Up to 134 conditions per place. [2024-11-13 15:53:40,469 INFO L140 encePairwiseOnDemand]: 165/167 looper letters, 14 selfloop transitions, 1 changer transitions 0/123 dead transitions. [2024-11-13 15:53:40,469 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 123 transitions, 288 flow [2024-11-13 15:53:40,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:53:40,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:53:40,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 406 transitions. [2024-11-13 15:53:40,471 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.810379241516966 [2024-11-13 15:53:40,471 INFO L175 Difference]: Start difference. First operand has 127 places, 124 transitions, 260 flow. Second operand 3 states and 406 transitions. [2024-11-13 15:53:40,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 123 transitions, 288 flow [2024-11-13 15:53:40,473 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 123 transitions, 284 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:53:40,477 INFO L231 Difference]: Finished difference. Result has 126 places, 123 transitions, 256 flow [2024-11-13 15:53:40,478 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=256, PETRI_PLACES=126, PETRI_TRANSITIONS=123} [2024-11-13 15:53:40,478 INFO L277 CegarLoopForPetriNet]: 150 programPoint places, -24 predicate places. [2024-11-13 15:53:40,479 INFO L471 AbstractCegarLoop]: Abstraction has has 126 places, 123 transitions, 256 flow [2024-11-13 15:53:40,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:53:40,480 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:53:40,480 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:53:40,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 15:53:40,481 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-13 15:53:40,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:53:40,483 INFO L85 PathProgramCache]: Analyzing trace with hash -5407654, now seen corresponding path program 1 times [2024-11-13 15:53:40,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:53:40,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150350118] [2024-11-13 15:53:40,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:53:40,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:53:40,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:53:40,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:53:40,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:53:40,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150350118] [2024-11-13 15:53:40,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150350118] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:53:40,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:53:40,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:53:40,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969591989] [2024-11-13 15:53:40,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:53:40,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:53:40,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:53:40,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:53:40,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:53:40,674 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 167 [2024-11-13 15:53:40,675 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 123 transitions, 256 flow. Second operand has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:53:40,675 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:53:40,675 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 167 [2024-11-13 15:53:40,675 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:53:41,232 INFO L124 PetriNetUnfolderBase]: 1225/3093 cut-off events. [2024-11-13 15:53:41,234 INFO L125 PetriNetUnfolderBase]: For 85/85 co-relation queries the response was YES. [2024-11-13 15:53:41,242 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4833 conditions, 3093 events. 1225/3093 cut-off events. For 85/85 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 24644 event pairs, 672 based on Foata normal form. 0/2857 useless extension candidates. Maximal degree in co-relation 4798. Up to 1646 conditions per place. [2024-11-13 15:53:41,258 INFO L140 encePairwiseOnDemand]: 159/167 looper letters, 24 selfloop transitions, 4 changer transitions 0/126 dead transitions. [2024-11-13 15:53:41,259 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 126 transitions, 321 flow [2024-11-13 15:53:41,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:53:41,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:53:41,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 395 transitions. [2024-11-13 15:53:41,261 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7884231536926147 [2024-11-13 15:53:41,261 INFO L175 Difference]: Start difference. First operand has 126 places, 123 transitions, 256 flow. Second operand 3 states and 395 transitions. [2024-11-13 15:53:41,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 126 transitions, 321 flow [2024-11-13 15:53:41,264 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 126 transitions, 320 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 15:53:41,268 INFO L231 Difference]: Finished difference. Result has 124 places, 123 transitions, 275 flow [2024-11-13 15:53:41,269 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=247, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=275, PETRI_PLACES=124, PETRI_TRANSITIONS=123} [2024-11-13 15:53:41,270 INFO L277 CegarLoopForPetriNet]: 150 programPoint places, -26 predicate places. [2024-11-13 15:53:41,270 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 123 transitions, 275 flow [2024-11-13 15:53:41,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:53:41,271 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:53:41,271 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:53:41,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 15:53:41,272 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-13 15:53:41,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:53:41,273 INFO L85 PathProgramCache]: Analyzing trace with hash -337300643, now seen corresponding path program 1 times [2024-11-13 15:53:41,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:53:41,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019578909] [2024-11-13 15:53:41,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:53:41,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:53:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:53:41,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:53:41,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:53:41,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019578909] [2024-11-13 15:53:41,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019578909] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:53:41,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:53:41,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:53:41,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498696283] [2024-11-13 15:53:41,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:53:41,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:53:41,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:53:41,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:53:41,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:53:41,463 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 167 [2024-11-13 15:53:41,464 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 123 transitions, 275 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) [2024-11-13 15:53:41,465 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:53:41,465 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 167 [2024-11-13 15:53:41,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:53:41,621 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([565] L72-7-->L72-2: Formula: (= |v_#race~N~0_13| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_13|} AuxVars[] AssignedVars[#race~N~0][105], [120#L62-2true, 42#L51-2true, 181#(= |#race~c~0| 0), 162#$Ultimate##0true, 29#L72-2true, Black: 182#true, 7#L94-4true, 186#true, 184#(= |#race~N~0| 0)]) [2024-11-13 15:53:41,621 INFO L294 olderBase$Statistics]: this new event has 82 ancestors and is cut-off event [2024-11-13 15:53:41,621 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2024-11-13 15:53:41,621 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2024-11-13 15:53:41,622 INFO L297 olderBase$Statistics]: existing Event has 68 ancestors and is cut-off event [2024-11-13 15:53:41,638 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([565] L72-7-->L72-2: Formula: (= |v_#race~N~0_13| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_13|} AuxVars[] AssignedVars[#race~N~0][105], [120#L62-2true, 42#L51-2true, 181#(= |#race~c~0| 0), 29#L72-2true, Black: 182#true, 135#L41-2true, 7#L94-4true, 186#true, 184#(= |#race~N~0| 0)]) [2024-11-13 15:53:41,638 INFO L294 olderBase$Statistics]: this new event has 85 ancestors and is cut-off event [2024-11-13 15:53:41,639 INFO L297 olderBase$Statistics]: existing Event has 78 ancestors and is cut-off event [2024-11-13 15:53:41,639 INFO L297 olderBase$Statistics]: existing Event has 71 ancestors and is cut-off event [2024-11-13 15:53:41,639 INFO L297 olderBase$Statistics]: existing Event has 78 ancestors and is cut-off event [2024-11-13 15:53:41,676 INFO L124 PetriNetUnfolderBase]: 275/1000 cut-off events. [2024-11-13 15:53:41,676 INFO L125 PetriNetUnfolderBase]: For 25/27 co-relation queries the response was YES. [2024-11-13 15:53:41,681 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1447 conditions, 1000 events. 275/1000 cut-off events. For 25/27 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 6456 event pairs, 109 based on Foata normal form. 1/888 useless extension candidates. Maximal degree in co-relation 1413. Up to 230 conditions per place. [2024-11-13 15:53:41,682 INFO L140 encePairwiseOnDemand]: 165/167 looper letters, 0 selfloop transitions, 0 changer transitions 122/122 dead transitions. [2024-11-13 15:53:41,682 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 122 transitions, 299 flow [2024-11-13 15:53:41,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:53:41,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:53:41,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 407 transitions. [2024-11-13 15:53:41,686 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.812375249500998 [2024-11-13 15:53:41,688 INFO L175 Difference]: Start difference. First operand has 124 places, 123 transitions, 275 flow. Second operand 3 states and 407 transitions. [2024-11-13 15:53:41,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 122 transitions, 299 flow [2024-11-13 15:53:41,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 122 transitions, 299 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 15:53:41,691 INFO L231 Difference]: Finished difference. Result has 125 places, 0 transitions, 0 flow [2024-11-13 15:53:41,692 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=273, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=125, PETRI_TRANSITIONS=0} [2024-11-13 15:53:41,693 INFO L277 CegarLoopForPetriNet]: 150 programPoint places, -25 predicate places. [2024-11-13 15:53:41,694 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 0 transitions, 0 flow [2024-11-13 15:53:41,695 INFO L472 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) [2024-11-13 15:53:41,698 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (43 of 44 remaining) [2024-11-13 15:53:41,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (42 of 44 remaining) [2024-11-13 15:53:41,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (41 of 44 remaining) [2024-11-13 15:53:41,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (40 of 44 remaining) [2024-11-13 15:53:41,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (39 of 44 remaining) [2024-11-13 15:53:41,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (38 of 44 remaining) [2024-11-13 15:53:41,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (37 of 44 remaining) [2024-11-13 15:53:41,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (36 of 44 remaining) [2024-11-13 15:53:41,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (35 of 44 remaining) [2024-11-13 15:53:41,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (34 of 44 remaining) [2024-11-13 15:53:41,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (33 of 44 remaining) [2024-11-13 15:53:41,700 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (32 of 44 remaining) [2024-11-13 15:53:41,700 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (31 of 44 remaining) [2024-11-13 15:53:41,700 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (30 of 44 remaining) [2024-11-13 15:53:41,700 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (29 of 44 remaining) [2024-11-13 15:53:41,700 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (28 of 44 remaining) [2024-11-13 15:53:41,700 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (27 of 44 remaining) [2024-11-13 15:53:41,700 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 44 remaining) [2024-11-13 15:53:41,700 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 44 remaining) [2024-11-13 15:53:41,700 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 44 remaining) [2024-11-13 15:53:41,700 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 44 remaining) [2024-11-13 15:53:41,700 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (22 of 44 remaining) [2024-11-13 15:53:41,701 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (21 of 44 remaining) [2024-11-13 15:53:41,703 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (20 of 44 remaining) [2024-11-13 15:53:41,704 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (19 of 44 remaining) [2024-11-13 15:53:41,704 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (18 of 44 remaining) [2024-11-13 15:53:41,704 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (17 of 44 remaining) [2024-11-13 15:53:41,704 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (16 of 44 remaining) [2024-11-13 15:53:41,704 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (15 of 44 remaining) [2024-11-13 15:53:41,704 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (14 of 44 remaining) [2024-11-13 15:53:41,705 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (13 of 44 remaining) [2024-11-13 15:53:41,705 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (12 of 44 remaining) [2024-11-13 15:53:41,705 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (11 of 44 remaining) [2024-11-13 15:53:41,705 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (10 of 44 remaining) [2024-11-13 15:53:41,705 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (9 of 44 remaining) [2024-11-13 15:53:41,705 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (8 of 44 remaining) [2024-11-13 15:53:41,705 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (7 of 44 remaining) [2024-11-13 15:53:41,706 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (6 of 44 remaining) [2024-11-13 15:53:41,706 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (5 of 44 remaining) [2024-11-13 15:53:41,706 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (4 of 44 remaining) [2024-11-13 15:53:41,706 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (3 of 44 remaining) [2024-11-13 15:53:41,706 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (2 of 44 remaining) [2024-11-13 15:53:41,706 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (1 of 44 remaining) [2024-11-13 15:53:41,706 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (0 of 44 remaining) [2024-11-13 15:53:41,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 15:53:41,707 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-13 15:53:41,716 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 15:53:41,716 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:53:41,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:53:41 BasicIcfg [2024-11-13 15:53:41,725 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:53:41,726 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:53:41,726 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:53:41,727 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:53:41,727 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:53:38" (3/4) ... [2024-11-13 15:53:41,729 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 15:53:41,732 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-13 15:53:41,732 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-13 15:53:41,732 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-13 15:53:41,732 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-11-13 15:53:41,737 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-13 15:53:41,737 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 15:53:41,738 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 15:53:41,738 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 15:53:41,831 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cce905-11be-497a-8192-03c2475a00ab/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 15:53:41,831 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cce905-11be-497a-8192-03c2475a00ab/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 15:53:41,831 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:53:41,835 INFO L158 Benchmark]: Toolchain (without parser) took 4326.18ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 93.5MB in the beginning and 81.3MB in the end (delta: 12.2MB). Peak memory consumption was 68.4MB. Max. memory is 16.1GB. [2024-11-13 15:53:41,835 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:53:41,836 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.44ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 81.6MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:53:41,837 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.25ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.0MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:53:41,837 INFO L158 Benchmark]: Boogie Preprocessor took 25.85ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 78.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:53:41,838 INFO L158 Benchmark]: RCFGBuilder took 848.47ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 53.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 15:53:41,838 INFO L158 Benchmark]: TraceAbstraction took 2987.71ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 53.2MB in the beginning and 86.0MB in the end (delta: -32.9MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2024-11-13 15:53:41,839 INFO L158 Benchmark]: Witness Printer took 105.31ms. Allocated memory is still 176.2MB. Free memory was 86.0MB in the beginning and 81.3MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:53:41,841 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.44ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 81.6MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.25ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.0MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.85ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 78.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 848.47ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 53.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2987.71ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 53.2MB in the beginning and 86.0MB in the end (delta: -32.9MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. * Witness Printer took 105.31ms. Allocated memory is still 176.2MB. Free memory was 86.0MB in the beginning and 81.3MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: 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 9 procedures, 232 locations, 44 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 95 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37 mSDsluCounter, 33 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 168 IncrementalHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 33 mSDtfsCounter, 168 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=316occurred in iteration=0, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 222 NumberOfCodeBlocks, 222 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 217 ConstructedInterpolants, 0 QuantifiedInterpolants, 227 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 22 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-13 15:53:41,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cce905-11be-497a-8192-03c2475a00ab/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE