./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a563ec2-ccdf-4795-9da0-feadbfb4eeec/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a563ec2-ccdf-4795-9da0-feadbfb4eeec/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a563ec2-ccdf-4795-9da0-feadbfb4eeec/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a563ec2-ccdf-4795-9da0-feadbfb4eeec/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a563ec2-ccdf-4795-9da0-feadbfb4eeec/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a563ec2-ccdf-4795-9da0-feadbfb4eeec/bin/uautomizer-verify-84ZbGMXZE1 --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 2aa715856437bb3403b6a2717a4123b124cdc9b291b63ee677b7c1993b3be7b6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:34:40,822 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:34:40,879 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a563ec2-ccdf-4795-9da0-feadbfb4eeec/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-12-02 14:34:40,884 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:34:40,884 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:34:40,907 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:34:40,907 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:34:40,908 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:34:40,908 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:34:40,908 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:34:40,908 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:34:40,908 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:34:40,908 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:34:40,909 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:34:40,909 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:34:40,909 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 14:34:40,909 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 14:34:40,909 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 14:34:40,909 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:34:40,909 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:34:40,909 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:34:40,909 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:34:40,909 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-12-02 14:34:40,909 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 14:34:40,910 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 14:34:40,910 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:34:40,910 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:34:40,910 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:34:40,910 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:34:40,910 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:34:40,910 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:34:40,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:34:40,910 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:34:40,910 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:34:40,910 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:34:40,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:34:40,911 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:34:40,911 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:34:40,911 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:34:40,911 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:34:40,911 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 14:34:40,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 14:34:40,911 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:34:40,911 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:34:40,911 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:34:40,911 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:34:40,912 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_5a563ec2-ccdf-4795-9da0-feadbfb4eeec/bin/uautomizer-verify-84ZbGMXZE1 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 -> 2aa715856437bb3403b6a2717a4123b124cdc9b291b63ee677b7c1993b3be7b6 [2024-12-02 14:34:41,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:34:41,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:34:41,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:34:41,142 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:34:41,142 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:34:41,143 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a563ec2-ccdf-4795-9da0-feadbfb4eeec/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c [2024-12-02 14:34:43,797 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a563ec2-ccdf-4795-9da0-feadbfb4eeec/bin/uautomizer-verify-84ZbGMXZE1/data/e9be74560/a0f22830a4014caaa02ac3596544191b/FLAGc8d0a446a [2024-12-02 14:34:43,985 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:34:43,986 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a563ec2-ccdf-4795-9da0-feadbfb4eeec/sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c [2024-12-02 14:34:44,004 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a563ec2-ccdf-4795-9da0-feadbfb4eeec/bin/uautomizer-verify-84ZbGMXZE1/data/e9be74560/a0f22830a4014caaa02ac3596544191b/FLAGc8d0a446a [2024-12-02 14:34:44,379 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a563ec2-ccdf-4795-9da0-feadbfb4eeec/bin/uautomizer-verify-84ZbGMXZE1/data/e9be74560/a0f22830a4014caaa02ac3596544191b [2024-12-02 14:34:44,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:34:44,382 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:34:44,383 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:34:44,383 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:34:44,387 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:34:44,388 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:34:44" (1/1) ... [2024-12-02 14:34:44,389 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@690f5d30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:44, skipping insertion in model container [2024-12-02 14:34:44,389 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:34:44" (1/1) ... [2024-12-02 14:34:44,401 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:34:44,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:34:44,555 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:34:44,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:34:44,586 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:34:44,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:44 WrapperNode [2024-12-02 14:34:44,587 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:34:44,588 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:34:44,588 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:34:44,588 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:34:44,593 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:44" (1/1) ... [2024-12-02 14:34:44,599 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:44" (1/1) ... [2024-12-02 14:34:44,614 INFO L138 Inliner]: procedures = 21, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2024-12-02 14:34:44,615 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:34:44,615 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:34:44,615 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:34:44,615 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:34:44,621 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:44" (1/1) ... [2024-12-02 14:34:44,621 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:44" (1/1) ... [2024-12-02 14:34:44,623 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:44" (1/1) ... [2024-12-02 14:34:44,623 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:44" (1/1) ... [2024-12-02 14:34:44,628 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:44" (1/1) ... [2024-12-02 14:34:44,628 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:44" (1/1) ... [2024-12-02 14:34:44,631 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:44" (1/1) ... [2024-12-02 14:34:44,632 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:44" (1/1) ... [2024-12-02 14:34:44,632 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:44" (1/1) ... [2024-12-02 14:34:44,633 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:34:44,634 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:34:44,634 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:34:44,634 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:34:44,635 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:44" (1/1) ... [2024-12-02 14:34:44,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:34:44,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a563ec2-ccdf-4795-9da0-feadbfb4eeec/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:34:44,658 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a563ec2-ccdf-4795-9da0-feadbfb4eeec/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:34:44,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a563ec2-ccdf-4795-9da0-feadbfb4eeec/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:34:44,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:34:44,679 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-02 14:34:44,679 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-02 14:34:44,679 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-02 14:34:44,680 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-02 14:34:44,680 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-02 14:34:44,680 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-02 14:34:44,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-02 14:34:44,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-02 14:34:44,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-02 14:34:44,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:34:44,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:34:44,681 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-02 14:34:44,757 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:34:44,758 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:34:44,994 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-02 14:34:44,994 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:34:45,130 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:34:45,130 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-02 14:34:45,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:34:45 BoogieIcfgContainer [2024-12-02 14:34:45,131 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:34:45,133 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:34:45,133 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:34:45,136 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:34:45,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:34:44" (1/3) ... [2024-12-02 14:34:45,137 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a2e9e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:34:45, skipping insertion in model container [2024-12-02 14:34:45,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:44" (2/3) ... [2024-12-02 14:34:45,137 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a2e9e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:34:45, skipping insertion in model container [2024-12-02 14:34:45,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:34:45" (3/3) ... [2024-12-02 14:34:45,138 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-mult-equiv.wvr.c [2024-12-02 14:34:45,153 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:34:45,154 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-mult-equiv.wvr.c that has 4 procedures, 131 locations, 1 initial locations, 3 loop locations, and 29 error locations. [2024-12-02 14:34:45,154 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-02 14:34:45,209 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-12-02 14:34:45,240 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 140 places, 137 transitions, 295 flow [2024-12-02 14:34:45,289 INFO L124 PetriNetUnfolderBase]: 7/134 cut-off events. [2024-12-02 14:34:45,291 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-12-02 14:34:45,296 INFO L83 FinitePrefix]: Finished finitePrefix Result has 147 conditions, 134 events. 7/134 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 165 event pairs, 0 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 95. Up to 2 conditions per place. [2024-12-02 14:34:45,296 INFO L82 GeneralOperation]: Start removeDead. Operand has 140 places, 137 transitions, 295 flow [2024-12-02 14:34:45,300 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 121 places, 117 transitions, 252 flow [2024-12-02 14:34:45,306 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:34:45,317 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;@5a06fdc0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:34:45,317 INFO L334 AbstractCegarLoop]: Starting to check reachability of 55 error locations. [2024-12-02 14:34:45,337 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-12-02 14:34:45,337 INFO L124 PetriNetUnfolderBase]: 0/20 cut-off events. [2024-12-02 14:34:45,337 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 14:34:45,337 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 14:34:45,338 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:34:45,338 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-12-02 14:34:45,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:34:45,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1458983153, now seen corresponding path program 1 times [2024-12-02 14:34:45,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:34:45,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246915917] [2024-12-02 14:34:45,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:34:45,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:34:45,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:34:45,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:34:45,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:34:45,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246915917] [2024-12-02 14:34:45,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246915917] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:34:45,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:34:45,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 14:34:45,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657475594] [2024-12-02 14:34:45,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:34:45,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:34:45,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:34:45,512 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:34:45,512 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:34:45,545 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 137 [2024-12-02 14:34:45,549 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 117 transitions, 252 flow. Second operand has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 14:34:45,549 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 14:34:45,549 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 137 [2024-12-02 14:34:45,550 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 14:34:45,659 INFO L124 PetriNetUnfolderBase]: 95/279 cut-off events. [2024-12-02 14:34:45,659 INFO L125 PetriNetUnfolderBase]: For 50/50 co-relation queries the response was YES. [2024-12-02 14:34:45,660 INFO L83 FinitePrefix]: Finished finitePrefix Result has 475 conditions, 279 events. 95/279 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 933 event pairs, 54 based on Foata normal form. 28/274 useless extension candidates. Maximal degree in co-relation 367. Up to 151 conditions per place. [2024-12-02 14:34:45,663 INFO L140 encePairwiseOnDemand]: 109/137 looper letters, 18 selfloop transitions, 2 changer transitions 0/91 dead transitions. [2024-12-02 14:34:45,663 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 91 transitions, 240 flow [2024-12-02 14:34:45,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:34:45,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 14:34:45,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 310 transitions. [2024-12-02 14:34:45,675 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.754257907542579 [2024-12-02 14:34:45,677 INFO L175 Difference]: Start difference. First operand has 121 places, 117 transitions, 252 flow. Second operand 3 states and 310 transitions. [2024-12-02 14:34:45,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 91 transitions, 240 flow [2024-12-02 14:34:45,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 91 transitions, 228 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-12-02 14:34:45,683 INFO L231 Difference]: Finished difference. Result has 94 places, 91 transitions, 192 flow [2024-12-02 14:34:45,685 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=192, PETRI_PLACES=94, PETRI_TRANSITIONS=91} [2024-12-02 14:34:45,688 INFO L279 CegarLoopForPetriNet]: 121 programPoint places, -27 predicate places. [2024-12-02 14:34:45,688 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 91 transitions, 192 flow [2024-12-02 14:34:45,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 14:34:45,688 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 14:34:45,689 INFO L206 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] [2024-12-02 14:34:45,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 14:34:45,689 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-12-02 14:34:45,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:34:45,690 INFO L85 PathProgramCache]: Analyzing trace with hash 356744016, now seen corresponding path program 1 times [2024-12-02 14:34:45,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:34:45,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446770642] [2024-12-02 14:34:45,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:34:45,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:34:45,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:34:45,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:34:45,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:34:45,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446770642] [2024-12-02 14:34:45,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446770642] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:34:45,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:34:45,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 14:34:45,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573042443] [2024-12-02 14:34:45,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:34:45,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:34:45,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:34:45,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:34:45,735 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:34:45,747 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 137 [2024-12-02 14:34:45,748 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 91 transitions, 192 flow. Second operand has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 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) [2024-12-02 14:34:45,748 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 14:34:45,748 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 137 [2024-12-02 14:34:45,748 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 14:34:45,824 INFO L124 PetriNetUnfolderBase]: 71/240 cut-off events. [2024-12-02 14:34:45,824 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-12-02 14:34:45,825 INFO L83 FinitePrefix]: Finished finitePrefix Result has 372 conditions, 240 events. 71/240 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 768 event pairs, 36 based on Foata normal form. 0/203 useless extension candidates. Maximal degree in co-relation 343. Up to 113 conditions per place. [2024-12-02 14:34:45,826 INFO L140 encePairwiseOnDemand]: 134/137 looper letters, 16 selfloop transitions, 2 changer transitions 0/90 dead transitions. [2024-12-02 14:34:45,827 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 90 transitions, 226 flow [2024-12-02 14:34:45,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:34:45,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 14:34:45,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 289 transitions. [2024-12-02 14:34:45,829 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7031630170316302 [2024-12-02 14:34:45,829 INFO L175 Difference]: Start difference. First operand has 94 places, 91 transitions, 192 flow. Second operand 3 states and 289 transitions. [2024-12-02 14:34:45,829 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 90 transitions, 226 flow [2024-12-02 14:34:45,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 90 transitions, 222 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 14:34:45,831 INFO L231 Difference]: Finished difference. Result has 93 places, 90 transitions, 190 flow [2024-12-02 14:34:45,832 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=190, PETRI_PLACES=93, PETRI_TRANSITIONS=90} [2024-12-02 14:34:45,832 INFO L279 CegarLoopForPetriNet]: 121 programPoint places, -28 predicate places. [2024-12-02 14:34:45,832 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 90 transitions, 190 flow [2024-12-02 14:34:45,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 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) [2024-12-02 14:34:45,833 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 14:34:45,833 INFO L206 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] [2024-12-02 14:34:45,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 14:34:45,833 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-12-02 14:34:45,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:34:45,834 INFO L85 PathProgramCache]: Analyzing trace with hash -2042897080, now seen corresponding path program 1 times [2024-12-02 14:34:45,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:34:45,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874066590] [2024-12-02 14:34:45,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:34:45,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:34:45,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:34:45,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:34:45,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:34:45,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874066590] [2024-12-02 14:34:45,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874066590] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:34:45,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:34:45,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 14:34:45,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318362804] [2024-12-02 14:34:45,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:34:45,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:34:45,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:34:45,880 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:34:45,880 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:34:45,893 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 137 [2024-12-02 14:34:45,894 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 90 transitions, 190 flow. Second operand has 3 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 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) [2024-12-02 14:34:45,894 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 14:34:45,894 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 137 [2024-12-02 14:34:45,894 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 14:34:45,977 INFO L124 PetriNetUnfolderBase]: 122/360 cut-off events. [2024-12-02 14:34:45,977 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2024-12-02 14:34:45,979 INFO L83 FinitePrefix]: Finished finitePrefix Result has 568 conditions, 360 events. 122/360 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1451 event pairs, 56 based on Foata normal form. 0/319 useless extension candidates. Maximal degree in co-relation 532. Up to 151 conditions per place. [2024-12-02 14:34:45,980 INFO L140 encePairwiseOnDemand]: 132/137 looper letters, 24 selfloop transitions, 3 changer transitions 0/97 dead transitions. [2024-12-02 14:34:45,981 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 97 transitions, 260 flow [2024-12-02 14:34:45,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:34:45,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 14:34:45,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 299 transitions. [2024-12-02 14:34:45,982 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7274939172749392 [2024-12-02 14:34:45,982 INFO L175 Difference]: Start difference. First operand has 93 places, 90 transitions, 190 flow. Second operand 3 states and 299 transitions. [2024-12-02 14:34:45,983 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 97 transitions, 260 flow [2024-12-02 14:34:45,983 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 97 transitions, 256 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 14:34:45,985 INFO L231 Difference]: Finished difference. Result has 92 places, 89 transitions, 195 flow [2024-12-02 14:34:45,986 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=195, PETRI_PLACES=92, PETRI_TRANSITIONS=89} [2024-12-02 14:34:45,986 INFO L279 CegarLoopForPetriNet]: 121 programPoint places, -29 predicate places. [2024-12-02 14:34:45,987 INFO L471 AbstractCegarLoop]: Abstraction has has 92 places, 89 transitions, 195 flow [2024-12-02 14:34:45,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 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) [2024-12-02 14:34:45,987 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 14:34:45,987 INFO L206 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] [2024-12-02 14:34:45,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 14:34:45,987 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-12-02 14:34:45,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:34:45,988 INFO L85 PathProgramCache]: Analyzing trace with hash 535220072, now seen corresponding path program 1 times [2024-12-02 14:34:45,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:34:45,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471459892] [2024-12-02 14:34:45,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:34:45,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:34:45,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:34:46,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:34:46,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:34:46,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471459892] [2024-12-02 14:34:46,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471459892] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:34:46,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:34:46,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 14:34:46,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668945007] [2024-12-02 14:34:46,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:34:46,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:34:46,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:34:46,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:34:46,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:34:46,039 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 137 [2024-12-02 14:34:46,040 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 89 transitions, 195 flow. Second operand has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 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) [2024-12-02 14:34:46,040 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 14:34:46,040 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 137 [2024-12-02 14:34:46,040 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 14:34:46,116 INFO L124 PetriNetUnfolderBase]: 60/225 cut-off events. [2024-12-02 14:34:46,116 INFO L125 PetriNetUnfolderBase]: For 54/61 co-relation queries the response was YES. [2024-12-02 14:34:46,117 INFO L83 FinitePrefix]: Finished finitePrefix Result has 362 conditions, 225 events. 60/225 cut-off events. For 54/61 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 739 event pairs, 38 based on Foata normal form. 0/194 useless extension candidates. Maximal degree in co-relation 213. Up to 102 conditions per place. [2024-12-02 14:34:46,118 INFO L140 encePairwiseOnDemand]: 134/137 looper letters, 16 selfloop transitions, 2 changer transitions 0/88 dead transitions. [2024-12-02 14:34:46,119 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 88 transitions, 229 flow [2024-12-02 14:34:46,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:34:46,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 14:34:46,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 289 transitions. [2024-12-02 14:34:46,120 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7031630170316302 [2024-12-02 14:34:46,120 INFO L175 Difference]: Start difference. First operand has 92 places, 89 transitions, 195 flow. Second operand 3 states and 289 transitions. [2024-12-02 14:34:46,120 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 88 transitions, 229 flow [2024-12-02 14:34:46,121 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 88 transitions, 226 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-12-02 14:34:46,123 INFO L231 Difference]: Finished difference. Result has 92 places, 88 transitions, 194 flow [2024-12-02 14:34:46,123 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=194, PETRI_PLACES=92, PETRI_TRANSITIONS=88} [2024-12-02 14:34:46,124 INFO L279 CegarLoopForPetriNet]: 121 programPoint places, -29 predicate places. [2024-12-02 14:34:46,124 INFO L471 AbstractCegarLoop]: Abstraction has has 92 places, 88 transitions, 194 flow [2024-12-02 14:34:46,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 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) [2024-12-02 14:34:46,124 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 14:34:46,124 INFO L206 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] [2024-12-02 14:34:46,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 14:34:46,124 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-12-02 14:34:46,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:34:46,125 INFO L85 PathProgramCache]: Analyzing trace with hash 792489334, now seen corresponding path program 1 times [2024-12-02 14:34:46,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:34:46,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867622038] [2024-12-02 14:34:46,125 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:34:46,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:34:46,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:34:46,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:34:46,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:34:46,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867622038] [2024-12-02 14:34:46,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867622038] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:34:46,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:34:46,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 14:34:46,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935593278] [2024-12-02 14:34:46,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:34:46,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:34:46,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:34:46,212 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:34:46,212 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:34:46,215 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 137 [2024-12-02 14:34:46,215 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 88 transitions, 194 flow. Second operand has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 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) [2024-12-02 14:34:46,215 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 14:34:46,216 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 137 [2024-12-02 14:34:46,216 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 14:34:46,275 INFO L124 PetriNetUnfolderBase]: 60/224 cut-off events. [2024-12-02 14:34:46,276 INFO L125 PetriNetUnfolderBase]: For 21/28 co-relation queries the response was YES. [2024-12-02 14:34:46,276 INFO L83 FinitePrefix]: Finished finitePrefix Result has 359 conditions, 224 events. 60/224 cut-off events. For 21/28 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 744 event pairs, 38 based on Foata normal form. 0/194 useless extension candidates. Maximal degree in co-relation 315. Up to 99 conditions per place. [2024-12-02 14:34:46,277 INFO L140 encePairwiseOnDemand]: 135/137 looper letters, 14 selfloop transitions, 1 changer transitions 0/87 dead transitions. [2024-12-02 14:34:46,277 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 87 transitions, 222 flow [2024-12-02 14:34:46,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:34:46,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 14:34:46,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 298 transitions. [2024-12-02 14:34:46,279 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7250608272506083 [2024-12-02 14:34:46,279 INFO L175 Difference]: Start difference. First operand has 92 places, 88 transitions, 194 flow. Second operand 3 states and 298 transitions. [2024-12-02 14:34:46,279 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 87 transitions, 222 flow [2024-12-02 14:34:46,280 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 87 transitions, 218 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 14:34:46,281 INFO L231 Difference]: Finished difference. Result has 91 places, 87 transitions, 190 flow [2024-12-02 14:34:46,281 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=190, PETRI_PLACES=91, PETRI_TRANSITIONS=87} [2024-12-02 14:34:46,282 INFO L279 CegarLoopForPetriNet]: 121 programPoint places, -30 predicate places. [2024-12-02 14:34:46,282 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 87 transitions, 190 flow [2024-12-02 14:34:46,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 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) [2024-12-02 14:34:46,282 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 14:34:46,283 INFO L206 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] [2024-12-02 14:34:46,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 14:34:46,283 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-12-02 14:34:46,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:34:46,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1420970766, now seen corresponding path program 1 times [2024-12-02 14:34:46,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:34:46,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213631565] [2024-12-02 14:34:46,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:34:46,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:34:46,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:34:46,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:34:46,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:34:46,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213631565] [2024-12-02 14:34:46,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213631565] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:34:46,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:34:46,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 14:34:46,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9896801] [2024-12-02 14:34:46,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:34:46,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:34:46,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:34:46,353 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:34:46,353 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:34:46,357 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 137 [2024-12-02 14:34:46,357 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 87 transitions, 190 flow. Second operand has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 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) [2024-12-02 14:34:46,357 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 14:34:46,357 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 137 [2024-12-02 14:34:46,357 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 14:34:46,412 INFO L124 PetriNetUnfolderBase]: 60/223 cut-off events. [2024-12-02 14:34:46,412 INFO L125 PetriNetUnfolderBase]: For 21/28 co-relation queries the response was YES. [2024-12-02 14:34:46,413 INFO L83 FinitePrefix]: Finished finitePrefix Result has 356 conditions, 223 events. 60/223 cut-off events. For 21/28 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 738 event pairs, 38 based on Foata normal form. 1/194 useless extension candidates. Maximal degree in co-relation 347. Up to 99 conditions per place. [2024-12-02 14:34:46,413 INFO L140 encePairwiseOnDemand]: 135/137 looper letters, 0 selfloop transitions, 0 changer transitions 86/86 dead transitions. [2024-12-02 14:34:46,413 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 86 transitions, 216 flow [2024-12-02 14:34:46,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:34:46,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 14:34:46,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 297 transitions. [2024-12-02 14:34:46,415 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7226277372262774 [2024-12-02 14:34:46,415 INFO L175 Difference]: Start difference. First operand has 91 places, 87 transitions, 190 flow. Second operand 3 states and 297 transitions. [2024-12-02 14:34:46,415 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 86 transitions, 216 flow [2024-12-02 14:34:46,416 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 86 transitions, 215 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-12-02 14:34:46,416 INFO L231 Difference]: Finished difference. Result has 91 places, 0 transitions, 0 flow [2024-12-02 14:34:46,416 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=187, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=91, PETRI_TRANSITIONS=0} [2024-12-02 14:34:46,417 INFO L279 CegarLoopForPetriNet]: 121 programPoint places, -30 predicate places. [2024-12-02 14:34:46,417 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 0 transitions, 0 flow [2024-12-02 14:34:46,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 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) [2024-12-02 14:34:46,419 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (54 of 55 remaining) [2024-12-02 14:34:46,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (53 of 55 remaining) [2024-12-02 14:34:46,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (52 of 55 remaining) [2024-12-02 14:34:46,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (51 of 55 remaining) [2024-12-02 14:34:46,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (50 of 55 remaining) [2024-12-02 14:34:46,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (49 of 55 remaining) [2024-12-02 14:34:46,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (48 of 55 remaining) [2024-12-02 14:34:46,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (47 of 55 remaining) [2024-12-02 14:34:46,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (46 of 55 remaining) [2024-12-02 14:34:46,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (45 of 55 remaining) [2024-12-02 14:34:46,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (44 of 55 remaining) [2024-12-02 14:34:46,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (43 of 55 remaining) [2024-12-02 14:34:46,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (42 of 55 remaining) [2024-12-02 14:34:46,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (41 of 55 remaining) [2024-12-02 14:34:46,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (40 of 55 remaining) [2024-12-02 14:34:46,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (39 of 55 remaining) [2024-12-02 14:34:46,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (38 of 55 remaining) [2024-12-02 14:34:46,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (37 of 55 remaining) [2024-12-02 14:34:46,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (36 of 55 remaining) [2024-12-02 14:34:46,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (35 of 55 remaining) [2024-12-02 14:34:46,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (34 of 55 remaining) [2024-12-02 14:34:46,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (33 of 55 remaining) [2024-12-02 14:34:46,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (32 of 55 remaining) [2024-12-02 14:34:46,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (31 of 55 remaining) [2024-12-02 14:34:46,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (30 of 55 remaining) [2024-12-02 14:34:46,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (29 of 55 remaining) [2024-12-02 14:34:46,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (28 of 55 remaining) [2024-12-02 14:34:46,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (27 of 55 remaining) [2024-12-02 14:34:46,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (26 of 55 remaining) [2024-12-02 14:34:46,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 55 remaining) [2024-12-02 14:34:46,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 55 remaining) [2024-12-02 14:34:46,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 55 remaining) [2024-12-02 14:34:46,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (22 of 55 remaining) [2024-12-02 14:34:46,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (21 of 55 remaining) [2024-12-02 14:34:46,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (20 of 55 remaining) [2024-12-02 14:34:46,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (19 of 55 remaining) [2024-12-02 14:34:46,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (18 of 55 remaining) [2024-12-02 14:34:46,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (17 of 55 remaining) [2024-12-02 14:34:46,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (16 of 55 remaining) [2024-12-02 14:34:46,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (15 of 55 remaining) [2024-12-02 14:34:46,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 55 remaining) [2024-12-02 14:34:46,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 55 remaining) [2024-12-02 14:34:46,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 55 remaining) [2024-12-02 14:34:46,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 55 remaining) [2024-12-02 14:34:46,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 55 remaining) [2024-12-02 14:34:46,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (9 of 55 remaining) [2024-12-02 14:34:46,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (8 of 55 remaining) [2024-12-02 14:34:46,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (7 of 55 remaining) [2024-12-02 14:34:46,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (6 of 55 remaining) [2024-12-02 14:34:46,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (5 of 55 remaining) [2024-12-02 14:34:46,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (4 of 55 remaining) [2024-12-02 14:34:46,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (3 of 55 remaining) [2024-12-02 14:34:46,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (2 of 55 remaining) [2024-12-02 14:34:46,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (1 of 55 remaining) [2024-12-02 14:34:46,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (0 of 55 remaining) [2024-12-02 14:34:46,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 14:34:46,424 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-12-02 14:34:46,429 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-02 14:34:46,429 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 14:34:46,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:34:46 BasicIcfg [2024-12-02 14:34:46,435 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 14:34:46,435 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 14:34:46,435 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 14:34:46,435 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 14:34:46,436 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:34:45" (3/4) ... [2024-12-02 14:34:46,437 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 14:34:46,440 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-12-02 14:34:46,440 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-12-02 14:34:46,440 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-12-02 14:34:46,443 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-12-02 14:34:46,443 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-02 14:34:46,443 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 14:34:46,443 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 14:34:46,512 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a563ec2-ccdf-4795-9da0-feadbfb4eeec/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 14:34:46,512 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a563ec2-ccdf-4795-9da0-feadbfb4eeec/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 14:34:46,513 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 14:34:46,513 INFO L158 Benchmark]: Toolchain (without parser) took 2131.20ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 54.6MB in the end (delta: 62.6MB). Peak memory consumption was 64.3MB. Max. memory is 16.1GB. [2024-12-02 14:34:46,513 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:34:46,514 INFO L158 Benchmark]: CACSL2BoogieTranslator took 204.18ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 105.3MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:34:46,514 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.03ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 103.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:34:46,514 INFO L158 Benchmark]: Boogie Preprocessor took 18.41ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 102.8MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:34:46,514 INFO L158 Benchmark]: RCFGBuilder took 496.66ms. Allocated memory is still 142.6MB. Free memory was 102.8MB in the beginning and 70.4MB in the end (delta: 32.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 14:34:46,515 INFO L158 Benchmark]: TraceAbstraction took 1302.06ms. Allocated memory is still 142.6MB. Free memory was 69.9MB in the beginning and 59.5MB in the end (delta: 10.4MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-12-02 14:34:46,515 INFO L158 Benchmark]: Witness Printer took 77.48ms. Allocated memory is still 142.6MB. Free memory was 59.5MB in the beginning and 54.6MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:34:46,516 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 204.18ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 105.3MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.03ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 103.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.41ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 102.8MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 496.66ms. Allocated memory is still 142.6MB. Free memory was 102.8MB in the beginning and 70.4MB in the end (delta: 32.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1302.06ms. Allocated memory is still 142.6MB. Free memory was 69.9MB in the beginning and 59.5MB in the end (delta: 10.4MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * Witness Printer took 77.48ms. Allocated memory is still 142.6MB. Free memory was 59.5MB in the beginning and 54.6MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: 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 7 procedures, 181 locations, 55 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: 1.2s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 65 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 207 IncrementalHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 21 mSDtfsCounter, 207 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=252occurred in iteration=0, InterpolantAutomatonStates: 18, 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, 0.2s InterpolantComputationTime, 271 NumberOfCodeBlocks, 271 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 265 ConstructedInterpolants, 0 QuantifiedInterpolants, 277 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 29 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-02 14:34:46,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a563ec2-ccdf-4795-9da0-feadbfb4eeec/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE